WIP: Migrate to Kotlin Multiplatform

android/build.gradle

@@ -7,7 +7,7 @@ plugins {
 }
 
 android {
-    compileSdkVersion 31
+    compileSdkVersion 33
     compileOptions {
         sourceCompatibility JavaVersion.VERSION_1_8
         targetCompatibility JavaVersion.VERSION_1_8
@@ -18,7 +18,7 @@ android {
     defaultConfig {
         applicationId "com.wbrawner.twigs"
         minSdkVersion 26
-        targetSdkVersion 31
+        targetSdkVersion 33
         versionCode 1
         versionName "1.0"
         vectorDrawables {
@@ -39,36 +39,35 @@ android {
         compose true
     }
     composeOptions {
-        kotlinCompilerExtensionVersion rootProject.extensions.getExtraProperties().get("compose")
+        kotlinCompilerExtensionVersion "1.3.2"
     }
 }
 
 dependencies {
-    implementation project(':common')
-    implementation project(':budgetlib')
-    implementation project(':storage')
+    implementation project(':shared')
     implementation fileTree(dir: 'libs', include: ['*.jar'])
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlin_version"
     implementation 'androidx.legacy:legacy-support-v4:1.0.0'
-    implementation 'androidx.appcompat:appcompat:1.3.1'
-    implementation 'androidx.core:core-ktx:1.6.0'
-    implementation 'androidx.media:media:1.4.1'
-    implementation 'androidx.constraintlayout:constraintlayout:2.1.0'
-    implementation 'com.google.android.material:material:1.4.0'
+    implementation 'androidx.appcompat:appcompat:1.5.1'
+    implementation 'androidx.core:core-ktx:1.9.0'
+    implementation 'androidx.media:media:1.6.0'
+    implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
+    implementation 'com.google.android.material:material:1.7.0'
     implementation "androidx.lifecycle:lifecycle-extensions:$lifecycle_version"
     // Dagger
     implementation "com.google.dagger:hilt-android:$dagger"
     kapt "com.google.dagger:hilt-compiler:$dagger"
-    implementation 'androidx.hilt:hilt-navigation-compose:1.0.0-alpha03'
-    testImplementation 'junit:junit:4.13.1'
-    androidTestImplementation 'androidx.test:runner:1.4.0'
-    androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
-    implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-android:1.5.0'
-    implementation 'androidx.core:core-splashscreen:1.0.0-alpha01'
-    def navigation = '2.4.0-alpha07'
+    implementation 'androidx.hilt:hilt-navigation-compose:1.0.0'
+    testImplementation 'junit:junit:4.13.2'
+    androidTestImplementation 'androidx.test:runner:1.5.1'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.5.0'
+    implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-android:1.6.4'
+    implementation 'androidx.core:core-splashscreen:1.0.0'
+    def navigation = '2.6.0-alpha04'
     implementation "androidx.navigation:navigation-fragment-ktx:$navigation"
     implementation "androidx.navigation:navigation-ui-ktx:$navigation"
     implementation "androidx.navigation:navigation-compose:$navigation"
+//    implementation "androidx.compose.compiler:compiler:1.4.0-alpha02"
     implementation "androidx.compose.ui:ui:$compose"
     implementation "androidx.compose.ui:ui-tooling:$compose"
     implementation "androidx.compose.foundation:foundation:$compose"
@@ -76,7 +75,9 @@ dependencies {
     implementation "androidx.compose.material:material-icons-core:$compose"
     implementation "androidx.compose.material:material-icons-extended:$compose"
     implementation "androidx.compose.animation:animation:$compose"
-    implementation 'androidx.activity:activity-compose:1.3.1'
-    implementation 'androidx.lifecycle:lifecycle-viewmodel-compose:1.0.0-alpha07'
+    implementation "androidx.compose.material3:material3:1.0.1"
+    implementation "androidx.compose.material3:material3-window-size-class:1.0.1"
+    implementation 'androidx.activity:activity-compose:1.6.1'
+    implementation 'androidx.lifecycle:lifecycle-viewmodel-compose:2.6.0-alpha03'
     androidTestImplementation "androidx.compose.ui:ui-test-junit4:$compose"
 }

android/src/main/java/com/wbrawner/budget/AppModule.kt

@@ -2,7 +2,7 @@ package com.wbrawner.budget
 
 import android.app.Application
 import android.util.Log
-import com.wbrawner.budget.common.util.ErrorHandler
+import com.wbrawner.twigs.shared.ErrorHandler
 import dagger.Module
 import dagger.Provides
 import dagger.hilt.InstallIn
@@ -12,7 +12,8 @@ import dagger.hilt.components.SingletonComponent
 @InstallIn(SingletonComponent::class)
 class AppModule {
     @Provides
-    fun provideErrorHandler(): ErrorHandler = object : ErrorHandler {
+    fun provideErrorHandler(): com.wbrawner.twigs.shared.ErrorHandler = object :
+        com.wbrawner.twigs.shared.ErrorHandler {
         override fun init(application: Application) {
             // no-op
         }

android/src/main/java/com/wbrawner/budget/ui/MainActivity.kt

@@ -8,17 +8,23 @@ import androidx.annotation.DrawableRes
 import androidx.appcompat.app.ActionBarDrawerToggle
 import androidx.appcompat.app.AppCompatActivity
 import androidx.compose.foundation.Image
+import androidx.compose.foundation.clickable
 import androidx.compose.foundation.isSystemInDarkTheme
+import androidx.compose.foundation.layout.*
 import androidx.compose.foundation.layout.Arrangement.Absolute.spacedBy
-import androidx.compose.foundation.layout.Column
-import androidx.compose.foundation.layout.Row
-import androidx.compose.foundation.layout.fillMaxSize
-import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.lazy.items
 import androidx.compose.material.*
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.*
+import androidx.compose.material.icons.outlined.Folder
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.NavigationDrawerItem
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.ColorFilter
+import androidx.compose.ui.graphics.vector.ImageVector
 import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.unit.dp
@@ -52,7 +58,8 @@ class MainActivity : AppCompatActivity(), NavigationView.OnNavigationItemSelecte
         }
         setContentView(R.layout.activity_main)
         setSupportActionBar(action_bar)
-        toggle = ActionBarDrawerToggle(this, drawerLayout, R.string.action_open, R.string.action_close)
+        toggle =
+            ActionBarDrawerToggle(this, drawerLayout, R.string.action_open, R.string.action_close)
         toggle.isDrawerIndicatorEnabled = true
         toggle.isDrawerSlideAnimationEnabled = true
         drawerLayout.addDrawerListener(toggle)
@@ -136,45 +143,59 @@ fun MainScreen() {
     }
 }
 
+@OptIn(ExperimentalMaterial3Api::class)
 @Composable
-fun TwigsDrawer(navController: NavController, budgets: List<Budget>) {
+fun TwigsDrawer(navController: NavController, budgets: List<Budget>, selectedBudgetId: String) {
     Column(modifier = Modifier.fillMaxSize()) {
         Row(
-            modifier = Modifier.fillMaxWidth()
+            modifier = Modifier.fillMaxWidth(),
+            verticalAlignment = Alignment.CenterVertically
         ) {
-            val image = if (isSystemInDarkTheme()) R.drawable.ic_twigs_outline else R.drawable.ic_twigs_color
+            val image =
+                if (isSystemInDarkTheme()) R.drawable.ic_twigs_outline else R.drawable.ic_twigs_color
             Image(painter = painterResource(id = image), null)
             Text(
                 text = "twigs",
-                style = MaterialTheme.typography.h3
+                style = MaterialTheme.typography.h4
             )
         }
-        val currentBudget = navController.currentBackStackEntry?.arguments?.getString("id")
-    }
-}
-
-@Composable
-fun DrawerItem(@DrawableRes image: Int, text: String, selected: Boolean) {
-    Row(
-        modifier = Modifier.fillMaxWidth(),
-        verticalAlignment = Alignment.CenterVertically,
-        horizontalArrangement = spacedBy(8.dp, Alignment.Start),
-    ) {
-        val tint = if (selected) MaterialTheme.colors.primary else MaterialTheme.colors.onSurface
-        Image(
-            painter = painterResource(id = image),
-            contentDescription = null,
-            colorFilter = ColorFilter.tint(tint)
+        NavigationDrawerItem(
+            selected = false,
+            onClick = { navController.navigate("overview") },
+            icon = { Icon(Icons.Default.Dashboard, contentDescription = null) },
+            label = { Text(text = "Overview") }
+        )
+        NavigationDrawerItem(
+            selected = false,
+            onClick = { navController.navigate("transactions") },
+            icon = { Icon(Icons.Default.AttachMoney, contentDescription = null) },
+            label = { Text(text = "Transactions") }
+        )
+        NavigationDrawerItem(
+            selected = false,
+            onClick = { navController.navigate("categories") },
+            icon = { Icon(Icons.Default.Category, contentDescription = null) },
+            label = { Text(text = "Categories") }
+        )
+        NavigationDrawerItem(
+            selected = false,
+            onClick = { navController.navigate("recurring") },
+            icon = { Icon(Icons.Default.Repeat, contentDescription = null) },
+            label = { Text(text = "Recurring Transactions") }
+        )
+        Divider()
+        LazyColumn(modifier = Modifier.fillMaxHeight()) {
+            items(budgets) { budget ->
+                val selected = budget.id == selectedBudgetId
+                val icon = if (selected) Icons.Filled.Folder else Icons.Outlined.Folder
+                NavigationDrawerItem(
+                    icon = { Icon(icon, contentDescription = null) },
+                    label = { Text(budget.name) },
+                    selected = selected,
+                    onClick = { navController.navigate("budgets/${budget.id}") }
                 )
-        Text(text = text, color = tint)
             }
         }
-
-@Composable
-@Preview
-fun DrawerItem_Preview() {
-    TwigsApp {
-        DrawerItem(R.drawable.ic_folder_open, "Budget", false)
     }
 }
 
@@ -186,7 +207,7 @@ fun TwigsDrawer_Preview() {
     TwigsApp {
         Scaffold(
             scaffoldState = scaffoldState,
-            drawerContent = { TwigsDrawer(navController, emptyList()) }
+            drawerContent = { TwigsDrawer(navController, emptyList(), "") }
         ) {
 
         }

android/src/main/java/com/wbrawner/budget/ui/auth/AuthViewModel.kt

@@ -67,6 +67,8 @@ class AuthViewModel @Inject constructor(
             val correctServer = with(server.value) {
                 if (this.startsWith("http://") || this.startsWith("https://")) this
                 else "https://$this"
+            }.run{
+                if (this.endsWith("/api")) this else "$this/api"
             }
             userRepository.login(correctServer.trim(), username.value.trim(), password.value.trim())
                 .also {

android/src/main/java/com/wbrawner/budget/ui/auth/LoginScreen.kt

@@ -10,6 +10,7 @@ import androidx.compose.foundation.isSystemInDarkTheme
 import androidx.compose.foundation.layout.*
 import androidx.compose.foundation.layout.Arrangement.Absolute.spacedBy
 import androidx.compose.foundation.rememberScrollState
+import androidx.compose.foundation.text.KeyboardOptions
 import androidx.compose.foundation.verticalScroll
 import androidx.compose.material.*
 import androidx.compose.runtime.Composable
@@ -18,6 +19,8 @@ import androidx.compose.runtime.getValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.res.painterResource
+import androidx.compose.ui.text.input.KeyboardCapitalization
+import androidx.compose.ui.text.input.KeyboardType
 import androidx.compose.ui.text.input.PasswordVisualTransformation
 import androidx.compose.ui.tooling.preview.Devices
 import androidx.compose.ui.tooling.preview.Preview
@@ -89,6 +92,7 @@ fun LoginForm(
                 modifier = Modifier.fillMaxWidth(),
                 value = server,
                 onValueChange = setServer,
+                keyboardOptions = KeyboardOptions.Default.copy(keyboardType = KeyboardType.Uri, capitalization = KeyboardCapitalization.None),
                 placeholder = { Text("Server") }
         )
         TextField(

android/src/main/java/com/wbrawner/budget/ui/base/ListWithAddButtonFragment.kt

@@ -56,6 +56,7 @@ abstract class ListWithAddButtonFragment<Data : Identifiable, ViewModel : AsyncV
                         listContainer.visibility = View.GONE
                         noItemsTextView.visibility = View.VISIBLE
                     }
+                    else -> { /* no-op */ }
                 }
             }
         }

android/src/main/java/com/wbrawner/budget/ui/base/Theme.kt

@@ -1,25 +1,21 @@
 package com.wbrawner.budget.ui.base
 
 import androidx.compose.foundation.isSystemInDarkTheme
-import androidx.compose.material.MaterialTheme
 import androidx.compose.material.Surface
-import androidx.compose.material.darkColors
-import androidx.compose.material.lightColors
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.darkColorScheme
+import androidx.compose.material3.lightColorScheme
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.graphics.Color
-import androidx.compose.ui.text.TextStyle
-import androidx.compose.ui.text.font.Font
-import androidx.compose.ui.text.font.FontFamily
-import com.wbrawner.budget.R
 
-val lightColors = lightColors(
+val lightColors = lightColorScheme(
     primary = Green500,
-    primaryVariant = Green700,
+    secondary = Green700,
 )
 
-val darkColors = darkColors(
+val darkColors = darkColorScheme(
     primary = Green300,
-    primaryVariant = Green500,
+    secondary = Green500,
     background = Color.Black,
     surface = Color.Black,
 )
@@ -27,7 +23,7 @@ val darkColors = darkColors(
 @Composable
 fun TwigsTheme(darkMode: Boolean = isSystemInDarkTheme(), content: @Composable () -> Unit) {
     MaterialTheme(
-        colors = if (darkMode) darkColors else lightColors,
+        colorScheme = if (darkMode) darkColors else lightColors,
 //        typography = MaterialTheme.typography.copy(
 //            h1 = MaterialTheme.typography.h1.copy(fontFamily = FontFamily(Font(R.font.ubuntu))),
 //            h2 = MaterialTheme.typography.h2.copy(fontFamily = FontFamily(Font(R.font.ubuntu))),

android/src/main/java/com/wbrawner/budget/ui/budgets/AddEditBudgetFragment.kt

@@ -76,6 +76,7 @@ class AddEditBudgetFragment : Fragment() {
                 is BudgetFormState.Exit -> {
                     findNavController().navigateUp()
                 }
+                else -> { /* no-op */ }
             }
         })
     }

android/src/main/java/com/wbrawner/budget/ui/categories/CategoryFormActivity.kt

@@ -20,6 +20,8 @@ import com.wbrawner.budget.ui.EXTRA_CATEGORY_ID
 import com.wbrawner.budget.ui.transactions.toLong
 import dagger.hilt.android.AndroidEntryPoint
 import kotlinx.android.synthetic.main.activity_add_edit_category.*
+import kotlinx.android.synthetic.main.activity_add_edit_category.progressBar
+import kotlinx.android.synthetic.main.fragment_add_edit_budget.*
 import kotlinx.coroutines.flow.collect
 import kotlinx.coroutines.launch
 
@@ -49,6 +51,7 @@ class CategoryFormActivity : AppCompatActivity() {
                         setTitle(state.data.titleRes)
                         menu?.findItem(R.id.action_delete)?.isVisible = state.data.showDeleteButton
                         edit_category_name.setText(category.title)
+                        edit_category_description.setText(category.description)
                         edit_category_amount.setText(
                             String.format(
                                 "%.02f",
@@ -113,6 +116,7 @@ class CategoryFormActivity : AppCompatActivity() {
                     Category(
                         id = id,
                         title = edit_category_name.text.toString(),
+                        description = edit_category_description.text.toString(),
                         amount = edit_category_amount.text.toLong(),
                         budgetId = (budgetSpinner.selectedItem as Budget).id!!,
                         expense = expense.isChecked,

android/src/main/java/com/wbrawner/budget/ui/overview/OverviewFragment.kt

@@ -45,6 +45,7 @@ class OverviewFragment : Fragment() {
                     noData.visibility = View.VISIBLE
                     Log.e("OverviewFragment", "Failed to load overview", state.exception)
                 }
+                else -> { /* no-op */ }
             }
         })
     }

android/src/main/java/com/wbrawner/budget/ui/transactions/TransactionFormActivity.kt

@@ -45,6 +45,7 @@ import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import java.math.BigDecimal
+import java.time.Instant
 import java.util.*
 import kotlin.coroutines.CoroutineContext
 import kotlin.math.max
@@ -124,6 +125,9 @@ class TransactionFormActivity : AppCompatActivity(), CoroutineScope {
                             picker.addOnPositiveButtonClickListener {
                                 transactionDate.text =
                                         DateFormat.getDateFormat(this@TransactionFormActivity)
+                                                .apply {
+                                                    timeZone = TimeZone.getTimeZone("UTC")
+                                                }
                                                 .format(Date(it))
                             }
                         }

android/src/main/res/layout/activity_add_edit_category.xml

@@ -39,6 +39,17 @@
                     android:inputType="textCapWords" />
             </com.google.android.material.textfield.TextInputLayout>
 
+            <com.google.android.material.textfield.TextInputLayout
+                android:id="@+id/container_edit_category_description"
+                style="@style/AppTheme.EditText.Container"
+                android:hint="@string/prompt_category_description">
+
+                <com.google.android.material.textfield.TextInputEditText
+                    android:id="@+id/edit_category_description"
+                    style="@style/AppTheme.EditText"
+                    android:inputType="textCapSentences" />
+            </com.google.android.material.textfield.TextInputLayout>
+
             <com.google.android.material.textfield.TextInputLayout
                 android:id="@+id/container_edit_category_amount"
                 style="@style/AppTheme.EditText.Container"

android/src/main/res/values/strings.xml

@@ -20,6 +20,7 @@
     <string name="title_edit_category">Edit Category</string>
     <string name="prompt_category_amount">Amount</string>
     <string name="prompt_category_name">Name</string>
+    <string name="prompt_category_description">Description</string>
     <string name="title_add_category">Add Category</string>
     <string name="uncategorized">Uncategorized</string>
     <string name="prompt_transaction_category">Category</string>

budgetlib/.gitignore

@@ -1 +0,0 @@
-/build

budgetlib/build.gradle

@@ -1,46 +0,0 @@
-plugins {
-    id 'com.android.library'
-    id 'kotlin-android'
-    id 'kotlin-kapt'
-    id 'dagger.hilt.android.plugin'
-}
-
-android {
-    compileSdkVersion 31
-
-    defaultConfig {
-        minSdkVersion 26
-        targetSdkVersion 31
-        versionCode 1
-        versionName "1.0"
-        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
-    }
-
-    buildTypes {
-        release {
-            minifyEnabled false
-            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
-        }
-    }
-
-}
-
-dependencies {
-    implementation project(':common')
-    implementation project(':storage')
-    api 'org.jetbrains.kotlinx:kotlinx-coroutines-android:1.5.0'
-    def ktor_version = "1.6.0"
-    implementation "io.ktor:ktor-client-core:$ktor_version"
-    implementation "io.ktor:ktor-client-cio:$ktor_version"
-    implementation "io.ktor:ktor-client-serialization:$ktor_version"
-    implementation "io.ktor:ktor-client-logging:$ktor_version"
-    implementation "ch.qos.logback:logback-classic:1.2.5"
-    // Dagger
-    implementation "com.google.dagger:hilt-android:$rootProject.ext.dagger"
-    kapt "com.google.dagger:hilt-compiler:$rootProject.ext.dagger"
-    testImplementation 'junit:junit:4.13.1'
-    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlin_version"
-}
-repositories {
-    mavenCentral()
-}

budgetlib/proguard-rules.pro

@@ -1,21 +0,0 @@
-# Add project specific ProGuard rules here.
-# You can control the set of applied configuration files using the
-# proguardFiles setting in build.gradle.
-#
-# For more details, see
-#   http://developer.android.com/guide/developing/tools/proguard.html
-
-# If your project uses WebView with JS, uncomment the following
-# and specify the fully qualified class title to the JavaScript interface
-# class:
-#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
-#   public *;
-#}
-
-# Uncomment this to preserve the line number information for
-# debugging stack traces.
-#-keepattributes SourceFile,LineNumberTable
-
-# If you keep the line number information, uncomment this to
-# hide the original source file title.
-#-renamesourcefileattribute SourceFile

budgetlib/src/androidTest/java/com/wbrawner/budgetlib/ExampleInstrumentedTest.java

@@ -1,27 +0,0 @@
-package com.wbrawner.budgetlib;
-
-import android.content.Context;
-
-import androidx.test.InstrumentationRegistry;
-import androidx.test.runner.AndroidJUnit4;
-
-import org.junit.Test;
-import org.junit.runner.RunWith;
-
-import static org.junit.Assert.assertEquals;
-
-/**
- * Instrumented test, which will execute on an Android device.
- *
- * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
- */
-@RunWith(AndroidJUnit4.class)
-public class ExampleInstrumentedTest {
-    @Test
-    public void useAppContext() {
-        // Context of the app under test.
-        Context appContext = InstrumentationRegistry.getTargetContext();
-
-        assertEquals("com.wbrawner.budgetlib.test", appContext.getPackageName());
-    }
-}

budgetlib/src/main/java/com/wbrawner/budget/lib/network/NetworkModule.kt

@@ -1,57 +0,0 @@
-package com.wbrawner.budget.lib.network
-
-import android.content.SharedPreferences
-import com.wbrawner.budget.common.PREF_KEY_TOKEN
-import com.wbrawner.budget.common.budget.BudgetRepository
-import com.wbrawner.budget.common.category.CategoryRepository
-import com.wbrawner.budget.common.transaction.TransactionRepository
-import com.wbrawner.budget.common.user.UserRepository
-import com.wbrawner.budget.lib.repository.NetworkBudgetRepository
-import com.wbrawner.budget.lib.repository.NetworkCategoryRepository
-import com.wbrawner.budget.lib.repository.NetworkTransactionRepository
-import com.wbrawner.budget.lib.repository.NetworkUserRepository
-import dagger.Module
-import dagger.Provides
-import dagger.hilt.InstallIn
-import dagger.hilt.components.SingletonComponent
-import javax.inject.Singleton
-
-const val PREF_KEY_BASE_URL = "baseUrl"
-
-@Module
-@InstallIn(SingletonComponent::class)
-class NetworkModule {
-    @Singleton
-    @Provides
-    fun provideApiService(sharedPreferences: SharedPreferences): TwigsApiService =
-        KtorTwigsApiService(
-            sharedPreferences.getString(PREF_KEY_BASE_URL, null),
-            sharedPreferences.getString(PREF_KEY_TOKEN, null)
-        )
-
-    @Singleton
-    @Provides
-    fun provideBudgetRepository(
-        apiService: TwigsApiService,
-        sharedPreferences: SharedPreferences
-    ): BudgetRepository =
-        NetworkBudgetRepository(apiService, sharedPreferences)
-
-    @Singleton
-    @Provides
-    fun provideCategoryRepository(apiService: TwigsApiService): CategoryRepository =
-        NetworkCategoryRepository(apiService)
-
-    @Singleton
-    @Provides
-    fun provideTransactionRepository(apiService: TwigsApiService): TransactionRepository =
-        NetworkTransactionRepository(apiService)
-
-    @Singleton
-    @Provides
-    fun provideUserRepository(
-        apiService: TwigsApiService,
-        sharedPreferences: SharedPreferences
-    ): UserRepository =
-        NetworkUserRepository(apiService, sharedPreferences)
-}

budgetlib/src/main/java/com/wbrawner/budget/lib/repository/NetworkBudgetRepository.kt

@@ -1,109 +0,0 @@
-package com.wbrawner.budget.lib.repository
-
-import android.content.SharedPreferences
-import com.wbrawner.budget.common.budget.Budget
-import com.wbrawner.budget.common.budget.BudgetRepository
-import com.wbrawner.budget.common.user.UserPermission
-import com.wbrawner.budget.lib.network.TwigsApiService
-import kotlinx.coroutines.flow.MutableStateFlow
-import kotlinx.coroutines.flow.SharedFlow
-import kotlinx.coroutines.flow.asSharedFlow
-import kotlinx.coroutines.flow.onEach
-import kotlinx.coroutines.sync.Mutex
-import kotlinx.coroutines.sync.withLock
-
-const val KEY_DEFAULT_BUDGET = "defaultBudget"
-
-class NetworkBudgetRepository(
-    private val apiService: TwigsApiService,
-    private val sharedPreferences: SharedPreferences
-) : BudgetRepository {
-    private val mutex = Mutex()
-    private val budgets: MutableSet<Budget> = mutableSetOf()
-    private val current = MutableStateFlow<Budget?>(null)
-    override val currentBudget: SharedFlow<Budget?> = current.asSharedFlow()
-
-    init {
-        currentBudget.onEach { budget ->
-            sharedPreferences.edit().apply {
-                budget?.id?.let {
-                    putString(KEY_DEFAULT_BUDGET, it)
-                } ?: remove(KEY_DEFAULT_BUDGET)
-                apply()
-            }
-        }
-    }
-
-    override suspend fun prefetchData() {
-        val budgets = try {
-            findAll()
-        } catch (e: Exception) {
-            emptyList()
-        }
-        if (budgets.isEmpty()) return
-        val budgetId = sharedPreferences.getString(KEY_DEFAULT_BUDGET, budgets.first().id)!!
-        val budget = try {
-            findById(budgetId)
-        } catch (e: Exception) {
-            // For some reason we can't find the default budget id, so fallback to the first budget
-            budgets.first()
-        }
-        current.emit(budget)
-    }
-
-    override suspend fun create(newItem: Budget): Budget =
-        apiService.newBudget(NewBudgetRequest(newItem)).apply {
-            mutex.withLock {
-                budgets.add(this)
-            }
-        }
-
-    override suspend fun findAll(): List<Budget> = mutex.withLock {
-        if (budgets.size > 0) budgets.toList() else null
-    } ?: apiService.getBudgets().sortedBy { it.name }.apply {
-        mutex.withLock {
-            budgets.addAll(this)
-        }
-    }
-
-    override suspend fun findById(id: String, setCurrent: Boolean): Budget = (mutex.withLock {
-        budgets.firstOrNull { it.id == id }
-    } ?: apiService.getBudget(id).apply {
-        mutex.withLock {
-            budgets.add(this)
-        }
-    }).apply {
-        if (setCurrent) {
-            current.emit(this)
-        }
-    }
-
-    override suspend fun update(updatedItem: Budget): Budget =
-        apiService.updateBudget(updatedItem.id!!, updatedItem).apply {
-            mutex.withLock {
-                budgets.removeAll { it.id == this.id }
-                budgets.add(this)
-            }
-        }
-
-    override suspend fun delete(id: String) = apiService.deleteBudget(id).apply {
-        mutex.withLock {
-            budgets.removeAll { it.id == id }
-        }
-    }
-
-    override suspend fun getBalance(id: String): Long =
-        apiService.sumTransactions(budgetId = id).balance
-}
-
-data class NewBudgetRequest(
-    val name: String,
-    val description: String? = null,
-    val users: List<UserPermission>
-) {
-    constructor(budget: Budget) : this(
-        budget.name,
-        budget.description,
-        budget.users
-    )
-}

budgetlib/src/main/java/com/wbrawner/budget/lib/repository/NetworkCategoryRepository.kt

@@ -1,24 +0,0 @@
-package com.wbrawner.budget.lib.repository
-
-import com.wbrawner.budget.common.category.Category
-import com.wbrawner.budget.common.category.CategoryRepository
-import com.wbrawner.budget.lib.network.TwigsApiService
-import javax.inject.Inject
-
-class NetworkCategoryRepository @Inject constructor(private val apiService: TwigsApiService) : CategoryRepository {
-    override suspend fun create(newItem: Category): Category = apiService.newCategory(newItem)
-
-    override suspend fun findAll(budgetIds: Array<String>?): List<Category> = apiService.getCategories(budgetIds).sortedBy { it.title }
-
-    override suspend fun findAll(): List<Category> = findAll(null)
-
-    override suspend fun findById(id: String): Category = apiService.getCategory(id)
-
-    override suspend fun update(updatedItem: Category): Category =
-            apiService.updateCategory(updatedItem.id!!, updatedItem)
-
-    override suspend fun delete(id: String) = apiService.deleteCategory(id)
-
-    override suspend fun getBalance(id: String): Long =
-        apiService.sumTransactions(categoryId = id).balance
-}

budgetlib/src/main/java/com/wbrawner/budget/lib/repository/NetworkTransactionRepository.kt

@@ -1,35 +0,0 @@
-package com.wbrawner.budget.lib.repository
-
-import com.wbrawner.budget.common.transaction.Transaction
-import com.wbrawner.budget.common.transaction.TransactionRepository
-import com.wbrawner.budget.lib.network.TwigsApiService
-import java.util.*
-import javax.inject.Inject
-
-class NetworkTransactionRepository @Inject constructor(private val apiService: TwigsApiService) :
-    TransactionRepository {
-
-    override suspend fun create(newItem: Transaction): Transaction =
-        apiService.newTransaction(newItem)
-
-    override suspend fun findAll(
-        budgetIds: List<String>?,
-        categoryIds: List<String>?,
-        start: Calendar?,
-        end: Calendar?
-    ): List<Transaction> = apiService.getTransactions(
-        budgetIds,
-        categoryIds,
-        start?.toInstant()?.toString(),
-        end?.toInstant()?.toString()
-    )
-
-    override suspend fun findAll(): List<Transaction> = findAll(null)
-
-    override suspend fun findById(id: String): Transaction = apiService.getTransaction(id)
-
-    override suspend fun update(updatedItem: Transaction): Transaction =
-        apiService.updateTransaction(updatedItem.id!!, updatedItem)
-
-    override suspend fun delete(id: String) = apiService.deleteTransaction(id)
-}

budgetlib/src/main/java/com/wbrawner/budget/lib/repository/NetworkUserRepository.kt

@@ -1,53 +0,0 @@
-package com.wbrawner.budget.lib.repository
-
-import android.content.SharedPreferences
-import com.wbrawner.budget.common.PREF_KEY_USER_ID
-import com.wbrawner.budget.common.Session
-import com.wbrawner.budget.common.user.LoginRequest
-import com.wbrawner.budget.common.user.User
-import com.wbrawner.budget.common.user.UserRepository
-import com.wbrawner.budget.lib.network.TwigsApiService
-import kotlinx.coroutines.flow.MutableStateFlow
-import kotlinx.coroutines.flow.SharedFlow
-import kotlinx.coroutines.flow.asSharedFlow
-import javax.inject.Inject
-
-class NetworkUserRepository @Inject constructor(
-        private val apiService: TwigsApiService,
-        private val sharedPreferences: SharedPreferences
-) : UserRepository {
-
-    private val current = MutableStateFlow<User?>(null)
-    override val currentUser: SharedFlow<User?> = current.asSharedFlow()
-
-    override suspend fun login(server: String, username: String, password: String): Session {
-        apiService.baseUrl = server
-        return apiService.login(LoginRequest(username, password)).apply {
-            apiService.authToken = token
-        }
-    }
-
-    override suspend fun getProfile(): User {
-        val userId = sharedPreferences.getString(PREF_KEY_USER_ID, null)
-            ?: throw RuntimeException("Not authenticated")
-        return apiService.getUser(userId).also {
-            current.emit(it)
-        }
-    }
-
-    override suspend fun create(newItem: User): User = apiService.newUser(newItem)
-
-    override suspend fun findAll(budgetId: String?): List<User> = apiService.getUsers(budgetId)
-
-    override suspend fun findAll(): List<User> = findAll(null)
-
-    override suspend fun findById(id: String): User = apiService.getUser(id)
-
-    override suspend fun findAllByNameLike(query: String): List<User> =
-            apiService.searchUsers(query)
-
-    override suspend fun update(updatedItem: User): User =
-            apiService.updateUser(updatedItem.id!!, updatedItem)
-
-    override suspend fun delete(id: String) = apiService.deleteUser(id)
-}

budgetlib/src/main/res/values/strings.xml

@@ -1,3 +0,0 @@
-<resources>
-    <string name="app_name">Budget Lib</string>
-</resources>

budgetlib/src/test/java/com/wbrawner/budgetlib/ExampleUnitTest.java

@@ -1,17 +0,0 @@
-package com.wbrawner.budgetlib;
-
-import org.junit.Test;
-
-import static org.junit.Assert.assertEquals;
-
-/**
- * Example local unit test, which will execute on the development machine (host).
- *
- * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
- */
-public class ExampleUnitTest {
-    @Test
-    public void addition_isCorrect() {
-        assertEquals(4, 2 + 2);
-    }
-}

build.gradle

@@ -1,10 +1,10 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 
 buildscript {
-    ext.compose = '1.0.1'
-    ext.dagger = '2.38.1'
+    ext.compose = '1.3.1'
+    ext.dagger = '2.44'
     ext.hyperion = '0.9.33'
-    ext.kotlin_version = '1.5.21'
+    ext.kotlin_version = '1.7.20'
     ext.lifecycle_version = "2.2.0"
     ext.moshi = '1.12.0'
     ext.retrofit = '2.6.0'
@@ -14,9 +14,7 @@ buildscript {
         mavenCentral()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:7.0.1'
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
-        classpath "com.google.dagger:hilt-android-gradle-plugin:$dagger"
+        classpath libs.bundles.plugins
     }
 }
 

common/.gitignore

@@ -1 +0,0 @@
-/build

common/build.gradle

@@ -1,41 +0,0 @@
-plugins {
-    id 'com.android.library'
-    id 'kotlin-android'
-    id 'kotlin-kapt'
-    id 'org.jetbrains.kotlin.plugin.serialization' version '1.5.20'
-}
-
-android {
-    compileSdkVersion 31
-
-    defaultConfig {
-        minSdkVersion 26
-        targetSdkVersion 31
-        versionCode 1
-        versionName "1.0"
-
-        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
-
-    }
-
-    buildTypes {
-        release {
-            minifyEnabled false
-            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
-        }
-    }
-
-}
-
-dependencies {
-    api 'org.jetbrains.kotlinx:kotlinx-coroutines-core:1.5.1'
-    api 'org.jetbrains.kotlinx:kotlinx-coroutines-android:1.5.0'
-    implementation "org.jetbrains.kotlinx:kotlinx-serialization-json:1.2.2"
-    testImplementation 'junit:junit:4.13.1'
-    androidTestImplementation 'androidx.test:runner:1.4.0'
-    androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
-    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlin_version"
-}
-repositories {
-    mavenCentral()
-}

common/proguard-rules.pro

@@ -1,41 +0,0 @@
-# Add project specific ProGuard rules here.
-# You can control the set of applied configuration files using the
-# proguardFiles setting in build.gradle.
-#
-# For more details, see
-#   http://developer.android.com/guide/developing/tools/proguard.html
-
-# If your project uses WebView with JS, uncomment the following
-# and specify the fully qualified class title to the JavaScript interface
-# class:
-#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
-#   public *;
-#}
-
-# Uncomment this to preserve the line number information for
-# debugging stack traces.
-#-keepattributes SourceFile,LineNumberTable
-
-# If you keep the line number information, uncomment this to
-# hide the original source file title.
-#-renamesourcefileattribute SourceFile
-
--keepattributes *Annotation*, InnerClasses
--dontnote kotlinx.serialization.AnnotationsKt # core serialization annotations
-
-# kotlinx-serialization-json specific. Add this if you have java.lang.NoClassDefFoundError kotlinx.serialization.json.JsonObjectSerializer
--keepclassmembers class kotlinx.serialization.json.** {
-    *** Companion;
-}
--keepclasseswithmembers class kotlinx.serialization.json.** {
-    kotlinx.serialization.KSerializer serializer(...);
-}
-
-# Change here com.yourcompany.yourpackage
--keep,includedescriptorclasses class com.yourcompany.yourpackage.**$$serializer { *; } # <-- change package name to your app's
--keepclassmembers class com.yourcompany.yourpackage.** { # <-- change package name to your app's
-    *** Companion;
-}
--keepclasseswithmembers class com.yourcompany.yourpackage.** { # <-- change package name to your app's
-    kotlinx.serialization.KSerializer serializer(...);
-}

common/src/main/AndroidManifest.xml

@@ -1 +0,0 @@
-<manifest package="com.wbrawner.budget.common" />

common/src/main/java/com/wbrawner/budget/common/Session.kt

@@ -1,16 +0,0 @@
-package com.wbrawner.budget.common
-
-import com.wbrawner.budget.common.transaction.DateSerializer
-import kotlinx.serialization.Serializable
-import java.util.*
-
-const val PREF_KEY_USER_ID = "userId"
-const val PREF_KEY_TOKEN = "sessionToken"
-
-@Serializable
-data class Session(
-        val userId: String,
-        val token: String,
-        @Serializable(with = DateSerializer::class)
-        val expiration: Date
-)

common/src/main/java/com/wbrawner/budget/common/budget/Budget.kt

@@ -1,17 +0,0 @@
-package com.wbrawner.budget.common.budget
-
-import com.wbrawner.budget.common.Identifiable
-import com.wbrawner.budget.common.user.UserPermission
-import kotlinx.serialization.Serializable
-
-@Serializable
-data class Budget(
-        override val id: String? = null,
-        val name: String,
-        val description: String? = null,
-        val users: List<UserPermission> = emptyList()
-) : Identifiable {
-    override fun toString(): String {
-        return name
-    }
-}

common/src/main/java/com/wbrawner/budget/common/budget/BudgetRepository.kt

@@ -1,12 +0,0 @@
-package com.wbrawner.budget.common.budget
-
-import com.wbrawner.budget.common.Repository
-import kotlinx.coroutines.flow.SharedFlow
-
-interface BudgetRepository : Repository<Budget, String> {
-    val currentBudget: SharedFlow<Budget?>
-    override suspend fun findById(id: String): Budget = findById(id, false)
-    suspend fun findById(id: String, setCurrent: Boolean = false): Budget
-    suspend fun prefetchData()
-    suspend fun getBalance(id: String): Long
-}

common/src/main/java/com/wbrawner/budget/common/category/CategoryRepository.kt

@@ -1,8 +0,0 @@
-package com.wbrawner.budget.common.category
-
-import com.wbrawner.budget.common.Repository
-
-interface CategoryRepository : Repository<Category, String> {
-    suspend fun findAll(budgetIds: Array<String>? = null): List<Category>
-    suspend fun getBalance(id: String): Long
-}

common/src/main/java/com/wbrawner/budget/common/transaction/TransactionRepository.kt

@@ -1,25 +0,0 @@
-package com.wbrawner.budget.common.transaction
-
-import com.wbrawner.budget.common.Repository
-import java.util.*
-
-interface TransactionRepository : Repository<Transaction, String> {
-    suspend fun findAll(
-            budgetIds: List<String>? = null,
-            categoryIds: List<String>? = null,
-            start: Calendar? = GregorianCalendar.getInstance().apply {
-                set(Calendar.DAY_OF_MONTH, 1)
-                set(Calendar.HOUR_OF_DAY, 0)
-                set(Calendar.MINUTE, 0)
-                set(Calendar.SECOND, 0)
-                set(Calendar.MILLISECOND, 0)
-            },
-            end: Calendar? = GregorianCalendar.getInstance().apply {
-                set(Calendar.DAY_OF_MONTH, getActualMaximum(Calendar.DAY_OF_MONTH))
-                set(Calendar.HOUR_OF_DAY, getActualMaximum(Calendar.HOUR_OF_DAY))
-                set(Calendar.MINUTE, getActualMaximum(Calendar.MINUTE))
-                set(Calendar.SECOND, getActualMaximum(Calendar.SECOND))
-                set(Calendar.MILLISECOND, getActualMaximum(Calendar.MILLISECOND))
-            }
-    ): List<Transaction>
-}

common/src/main/java/com/wbrawner/budget/common/user/UserRepository.kt

@@ -1,13 +0,0 @@
-package com.wbrawner.budget.common.user
-
-import com.wbrawner.budget.common.Repository
-import com.wbrawner.budget.common.Session
-import kotlinx.coroutines.flow.SharedFlow
-
-interface UserRepository : Repository<User, String> {
-    val currentUser: SharedFlow<User?>
-    suspend fun login(server: String, username: String, password: String): Session
-    suspend fun getProfile(): User
-    suspend fun findAll(budgetId: String? = null): List<User>
-    suspend fun findAllByNameLike(query: String): List<User>
-}

common/src/main/java/com/wbrawner/budget/common/util/ErrorHandler.kt

@@ -1,8 +0,0 @@
-package com.wbrawner.budget.common.util
-
-import android.app.Application
-
-interface ErrorHandler {
-    fun init(application: Application)
-    fun reportException(t: Throwable, message: String? = null)
-}

common/src/main/java/com/wbrawner/budget/common/util/Utils.kt

@@ -1,11 +0,0 @@
-package com.wbrawner.budget.common.util
-
-private const val CHARACTERS = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"
-
-fun randomId(): String {
-    val id = StringBuilder()
-    repeat(32) {
-        id.append(CHARACTERS.random())
-    }
-    return id.toString()
-}

common/src/test/java/com/wbrawner/budget/common/ExampleUnitTest.java

@@ -1,17 +0,0 @@
-package com.wbrawner.budget.common;
-
-import org.junit.Test;
-
-import static org.junit.Assert.assertEquals;
-
-/**
- * Example local unit test, which will execute on the development machine (host).
- *
- * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
- */
-public class ExampleUnitTest {
-    @Test
-    public void addition_isCorrect() {
-        assertEquals(4, 2 + 2);
-    }
-}

gradle.properties

@@ -1,15 +1,16 @@
-# Project-wide Gradle settings.
-# IDE (e.g. Android Studio) users:
-# Gradle settings configured through the IDE *will override*
-# any settings specified in this file.
-# For more details on how to configure your build environment visit
+## For more details on how to configure your build environment visit
 # http://www.gradle.org/docs/current/userguide/build_environment.html
+#
 # Specifies the JVM arguments used for the daemon process.
 # The setting is particularly useful for tweaking memory settings.
-android.enableJetifier=true
-android.useAndroidX=true
-org.gradle.jvmargs=-Xmx1536m
+# Default value: -Xmx1024m -XX:MaxPermSize=256m
+# org.gradle.jvmargs=-Xmx2048m -XX:MaxPermSize=512m -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8
+#
 # When configured, Gradle will run in incubating parallel mode.
 # This option should only be used with decoupled projects. More details, visit
 # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
 # org.gradle.parallel=true
+#Thu Jul 21 13:20:25 MDT 2022
+org.gradle.jvmargs=-Xmx2048M -Dkotlin.daemon.jvm.options\="-Xmx2048M"
+android.enableJetifier=true
+android.useAndroidX=true

gradle/libs.versions.toml

@@ -0,0 +1,67 @@
+[versions]
+androidx-core = "1.9.0"
+androidx-appcompat = "1.5.1"
+androidx-splash = "1.0.0"
+compose = "1.2.1"
+compose-compiler = "1.3.2"
+espresso = "3.3.0"
+hilt-android = "2.44"
+kotlin = "1.7.20"
+kotlinx-serialization = "1.4.1"
+kotlinx-coroutines = "1.6.4"
+kotlinx-datetime = "0.4.0"
+ktor = "2.1.2"
+material = "1.3.0"
+maxSdk = "33"
+minSdk = "23"
+navigation = "2.4.1"
+okhttp = "4.2.2"
+settings = "0.8.1"
+versionCode = "1"
+versionName = "1.0"
+
+[libraries]
+android-gradle = { module = "com.android.tools.build:gradle", version = "7.3.1" }
+androidx-appcompat = { module = "androidx.appcompat:appcompat", version.ref = "androidx-appcompat" }
+androidx-core = { module = "androidx.core:core-ktx", version.ref = "androidx-core" }
+androidx-splash = { module = "androidx.core:core-splashscreen", version.ref = "androidx-splash" }
+compose-activity = { module = "androidx.activity:activity-compose", version = "1.6.0" }
+compose-material = { module = "androidx.compose.material:material", version.ref = "compose" }
+compose-test = { module = "androidx.compose.ui:ui-test-junit4", version.ref = "compose" }
+compose-tooling = { module = "androidx.compose.ui:ui-tooling", version.ref = "compose" }
+compose-ui = { module = "androidx.compose.ui:ui", version.ref = "compose" }
+dagger-hilt = { module = "com.google.dagger:hilt-android-gradle-plugin", version.ref = "hilt-android" }
+espresso = { module = "androidx.test.espresso:espresso-core", version.ref = "espresso" }
+hilt-android-core = { module = "com.google.dagger:hilt-android", version.ref = "hilt-android" }
+hilt-android-kapt = { module = "com.google.dagger:hilt-compiler", version.ref = "hilt-android" }
+hilt-navigation-compose = { module = "androidx.hilt:hilt-navigation-compose", version = "1.0.0" }
+junit = { module = "junit:junit", version = "4.12" }
+kotlin-gradle = { module = "org.jetbrains.kotlin:kotlin-gradle-plugin", version.ref = "kotlin" }
+kotlin-reflect = { module = "org.jetbrains.kotlin:kotlin-reflect", version.ref = "kotlin" }
+kotlin-stdlib = { module = "org.jetbrains.kotlin:kotlin-stdlib", version.ref = "kotlin" }
+ktor-client-ios = { module = "io.ktor:ktor-client-ios", version.ref = "ktor" }
+ktor-client-js = { module = "io.ktor:ktor-client-js", version.ref = "ktor" }
+ktor-client-android = { module = "io.ktor:ktor-client-android", version.ref = "ktor" }
+ktor-client-content-negotiation = { module = "io.ktor:ktor-client-content-negotiation", version.ref = "ktor" }
+ktor-client-serialization = { module = "io.ktor:ktor-serialization-kotlinx-json", version.ref = "ktor" }
+ktor-client-core = { module = "io.ktor:ktor-client-core", version.ref = "ktor" }
+ktor-client-logging = { module = "io.ktor:ktor-client-logging", version.ref = "ktor" }
+kotlinx-coroutines-core = { module = "org.jetbrains.kotlinx:kotlinx-coroutines-core", version.ref = "kotlinx-coroutines" }
+kotlinx-coroutines-android = { module = "org.jetbrains.kotlinx:kotlinx-coroutines-android", version.ref = "kotlinx-coroutines" }
+kotlinx-datetime = { module = "org.jetbrains.kotlinx:kotlinx-datetime", version.ref = "kotlinx-datetime" }
+kotlin-serialization = { module = "org.jetbrains.kotlin:kotlin-serialization", version.ref = "kotlin" }
+kotlinx-serialization-json = { module = "org.jetbrains.kotlinx:kotlinx-serialization-json", version.ref = "kotlinx-serialization" }
+material = { module = "com.google.android.material:material", version.ref = "material" }
+multiplatform-settings = { module = "com.russhwolf:multiplatform-settings-no-arg", version.ref = "settings" }
+navigation-compose = { module = "androidx.navigation:navigation-compose", version = "navigation" }
+navigation-fragment = { module = "androidx.navigation:navigation-fragment-ktx", version.ref = "navigation" }
+navigation-ui = { module = "androidx.navigation:navigation-ui-ktx", version.ref = "navigation" }
+preference = { module = "androidx.preference:preference-ktx", version = "1.1.1" }
+test-ext = { module = "androidx.test.ext:junit", version = "1.1.2" }
+
+[bundles]
+compose = ["compose-ui", "compose-material", "compose-tooling", "compose-activity", "navigation-compose"]
+coroutines = ["kotlinx-coroutines-core", "kotlinx-coroutines-android"]
+plugins = ["android-gradle", "kotlin-gradle", "dagger-hilt", "kotlin-serialization"]
+
+

gradle/wrapper/gradle-wrapper.properties

@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.2-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.5-all.zip

settings.gradle

@@ -1 +0,0 @@
-include ':android', ':budgetlib', ':common', ':storage'

settings.gradle.kts

@@ -0,0 +1,3 @@
+enableFeaturePreview("VERSION_CATALOGS")
+rootProject.name = "Twigs"
+include(":android", ":shared")

shared/.gitignore

@@ -0,0 +1 @@
+/build

shared/build.gradle.kts

@@ -0,0 +1,70 @@
+plugins {
+    kotlin("multiplatform")
+    id("com.android.library")
+    kotlin("plugin.serialization")
+}
+
+kotlin {
+    android()
+    listOf(iosArm64(), iosSimulatorArm64()).forEach {
+        it.binaries.framework {
+            baseName = "Twigs"
+        }
+    }
+
+    sourceSets {
+        val commonMain by getting {
+            dependencies {
+                implementation(libs.ktor.client.core)
+                implementation(libs.ktor.client.logging)
+                implementation(libs.ktor.client.serialization)
+                implementation(libs.ktor.client.content.negotiation)
+                implementation(libs.kotlinx.coroutines.core)
+                implementation(libs.kotlinx.datetime)
+                implementation(libs.kotlinx.serialization.json)
+                api(libs.multiplatform.settings)
+            }
+        }
+
+        val commonTest by getting {
+            dependencies {
+                implementation(kotlin("test"))
+            }
+        }
+
+        val androidMain by getting {
+            dependencies {
+                implementation(libs.ktor.client.android)
+            }
+        }
+
+        val iosArm64Main by getting
+        val iosSimulatorArm64Main by getting
+        val iosMain by creating {
+            dependsOn(commonMain)
+            iosArm64Main.dependsOn(this)
+            iosSimulatorArm64Main.dependsOn(this)
+            dependencies {
+                implementation(libs.ktor.client.ios)
+            }
+        }
+    }
+}
+
+android {
+    sourceSets["main"].manifest.srcFile("src/androidMain/AndroidManifest.xml")
+    compileSdk = libs.versions.maxSdk.get().toInt()
+    defaultConfig {
+        minSdk = libs.versions.minSdk.get().toInt()
+        targetSdk = libs.versions.maxSdk.get().toInt()
+    }
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_1_8
+        targetCompatibility = JavaVersion.VERSION_1_8
+    }
+    buildTypes {
+        release {
+            consumerProguardFiles("proguard-rules.pro")
+        }
+    }
+}

shared/proguard-rules.pro

@@ -0,0 +1,26 @@
+-keepattributes SourceFile,LineNumberTable
+
+-if @kotlinx.serialization.Serializable class **
+-keepclassmembers class <1> {
+    static <1>$Companion Companion;
+}
+
+# Keep `serializer()` on companion objects (both default and named) of serializable classes.
+-if @kotlinx.serialization.Serializable class ** {
+    static **$* *;
+}
+-keepclassmembers class <2>$<3> {
+    kotlinx.serialization.KSerializer serializer(...);
+}
+
+# Keep `INSTANCE.serializer()` of serializable objects.
+-if @kotlinx.serialization.Serializable class ** {
+    public static ** INSTANCE;
+}
+-keepclassmembers class <1> {
+    public static <1> INSTANCE;
+    kotlinx.serialization.KSerializer serializer(...);
+}
+
+# @Serializable and @Polymorphic are used at runtime for polymorphic serialization.
+-keepattributes RuntimeVisibleAnnotations,AnnotationDefault

shared/src/androidMain/AndroidManifest.xml

@@ -1,5 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="com.wbrawner.budgetlib">
+    package="com.wbrawner.pihelper.shared">
 
     <uses-permission android:name="android.permission.INTERNET" />
 </manifest>

shared/src/androidMain/kotlin/com/wbrawner/pihelper/shared/Android.kt

@@ -0,0 +1,22 @@
+package com.wbrawner.pihelper.shared
+
+import com.wbrawner.twigs.shared.Reducer
+import com.wbrawner.twigs.shared.Store
+import com.wbrawner.twigs.shared.budget.BudgetReducer
+import com.wbrawner.twigs.shared.budget.NetworkBudgetRepository
+import com.wbrawner.twigs.shared.network.KtorAPIService
+import com.wbrawner.twigs.shared.network.commonConfig
+import io.ktor.client.*
+import io.ktor.client.engine.android.*
+
+val apiService = KtorAPIService(HttpClient(Android) {
+    commonConfig()
+})
+
+val budgetRepository = NetworkBudgetRepository(apiService)
+
+fun Store.Companion.create(
+    reducers: List<Reducer> = listOf(
+        BudgetReducer(budgetRepository)
+    ),
+) = Store(reducers)

shared/src/commonMain/kotlin/com/wbrawner/twigs/shared/ErrorHandler.kt

@@ -0,0 +1,5 @@
+package com.wbrawner.twigs.shared
+
+interface ErrorHandler {
+    fun reportException(t: Throwable, message: String? = null)
+}

shared/src/commonMain/kotlin/com/wbrawner/twigs/shared/Repository.kt

@@ -1,17 +1,16 @@
-package com.wbrawner.budget.common
+package com.wbrawner.twigs.shared
 
 /**
  * Base interface for an entity repository that provides basic CRUD methods
  *
  * @param T The type of the object supported by this repository
- * @param K The type of the primary identifier for the object supported by this repository
  */
-interface Repository<T, K> {
+interface Repository<T> {
     suspend fun create(newItem: T): T
     suspend fun findAll(): List<T>
-    suspend fun findById(id: K): T
+    suspend fun findById(id: String): T
     suspend fun update(updatedItem: T): T
-    suspend fun delete(id: K)
+    suspend fun delete(id: String)
 }
 
 interface Identifiable {

shared/src/commonMain/kotlin/com/wbrawner/twigs/shared/Store.kt

@@ -0,0 +1,103 @@
+package com.wbrawner.twigs.shared
+
+import com.russhwolf.settings.Settings
+import com.wbrawner.twigs.shared.budget.Budget
+import com.wbrawner.twigs.shared.category.Category
+import com.wbrawner.twigs.shared.network.APIService
+import com.wbrawner.twigs.shared.transaction.Transaction
+import com.wbrawner.twigs.shared.user.User
+import kotlinx.coroutines.*
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.MutableSharedFlow
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+
+enum class Route(val path: String) {
+    WELCOME("welcome"),
+    LOGIN("login"),
+    REGISTER("register"),
+    OVERVIEW("overview"),
+    TRANSACTIONS("transactions"),
+    CATEGORIES("categories"),
+    RECURRING_TRANSACTIONS("recurringtransactions"),
+    PROFILE("profile"),
+    SETTINGS("settings"),
+    ABOUT("about"),
+}
+
+data class State(
+    val host: String? = null,
+    val user: User? = null,
+    val budgets: List<Budget>? = null,
+    val selectedBudget: String? = null,
+    val editingBudget: Boolean = false,
+    val categories: List<Category>? = null,
+    val selectedCategory: String? = null,
+    val editingCategory: Boolean = false,
+    val transactions: List<Transaction>? = null,
+    val selectedTransaction: String? = null,
+    val editingTransaction: Boolean = false,
+    val loading: Boolean = false,
+    val route: Route = Route.WELCOME,
+    val initialRoute: Route = Route.WELCOME
+)
+
+interface Action {
+    object About : Action
+    object Back : Action
+}
+
+interface AsyncAction : Action
+
+interface Effect {
+    object Exit : Effect
+    object Empty: Effect
+}
+
+abstract class Reducer {
+    lateinit var dispatch: (Action) -> Unit
+    lateinit var emit: (Effect) -> Unit
+
+    abstract fun reduce(action: Action, state: State): State
+}
+
+abstract class AsyncReducer : Reducer() {
+    abstract suspend fun reduce(action: AsyncAction, state: State): State
+}
+
+const val KEY_HOST = "baseUrl"
+
+class Store(
+    private val reducers: List<Reducer>,
+    private val settings: Settings = Settings(),
+    initialState: State = State()
+) : CoroutineScope by CoroutineScope(Dispatchers.Main) {
+    private val _state = MutableStateFlow(initialState)
+    val state: StateFlow<State> = _state
+    private val _effects = MutableSharedFlow<Effect>()
+    val effects: Flow<Effect> = _effects
+
+    init {
+        reducers.forEach {
+            it.dispatch = this::dispatch
+        }
+    }
+
+    fun dispatch(action: Action) {
+        launch {
+            var state = _state.value
+            if (action is AsyncAction) {
+                reducers.filterIsInstance<AsyncReducer>().forEach {
+                    state = it.reduce(action, state)
+                }
+            } else {
+                reducers.forEach {
+                    state = it.reduce(action, state)
+                }
+            }
+            _state.emit(state)
+        }
+    }
+
+    companion object
+}

shared/src/commonMain/kotlin/com/wbrawner/twigs/shared/Utils.kt

@@ -0,0 +1,31 @@
+package com.wbrawner.twigs.shared
+
+import kotlinx.datetime.*
+
+private const val CHARACTERS = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"
+
+fun randomId(): String {
+    val id = StringBuilder()
+    repeat(32) {
+        id.append(CHARACTERS.random())
+    }
+    return id.toString()
+}
+
+fun startOfMonth(now: Instant = Clock.System.now()): Instant =
+    with(now.toLocalDateTime(TimeZone.UTC)) {
+        LocalDateTime(year, month, 1, 0, 0, 0)
+            .toInstant(TimeZone.UTC)
+    }
+
+fun endOfMonth(now: Instant = Clock.System.now()): Instant =
+    with(now.toLocalDateTime(TimeZone.UTC)) {
+        val (adjustedYear, adjustedMonth) = if (monthNumber == 12) {
+            year + 1 to 1
+        } else {
+            year to monthNumber + 1
+        }
+        LocalDateTime(adjustedYear, adjustedMonth, 1, 23, 59, 59)
+            .toInstant(TimeZone.UTC)
+            .minus(1, DateTimeUnit.DAY, TimeZone.UTC)
+    }

shared/src/commonMain/kotlin/com/wbrawner/twigs/shared/budget/Budget.kt

@@ -0,0 +1,24 @@
+package com.wbrawner.twigs.shared.budget
+
+import com.wbrawner.twigs.shared.user.UserPermission
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class Budget(
+    val id: String? = null,
+    val name: String,
+    val description: String? = null,
+    val users: List<UserPermission> = emptyList()
+)
+
+data class NewBudgetRequest(
+    val name: String,
+    val description: String? = null,
+    val users: List<UserPermission>
+) {
+    constructor(budget: Budget) : this(
+        budget.name,
+        budget.description,
+        budget.users
+    )
+}

shared/src/commonMain/kotlin/com/wbrawner/twigs/shared/budget/BudgetAction.kt

@@ -0,0 +1,121 @@
+package com.wbrawner.twigs.shared.budget
+
+import com.wbrawner.twigs.shared.*
+import com.wbrawner.twigs.shared.user.UserAction
+import com.wbrawner.twigs.shared.user.UserPermission
+
+sealed interface BudgetAction : Action {
+    data class CreateBudget(
+        val name: String,
+        val description: String? = null,
+        val users: List<UserPermission> = emptyList()
+    ) : BudgetAction {
+        fun async() = BudgetAsyncAction.CreateBudgetAsync(name, description, users)
+    }
+
+    data class EditBudget(val id: String) : BudgetAction
+
+    data class SelectBudget(val id: String) : BudgetAction
+
+    data class UpdateBudget(
+        val id: String,
+        val name: String,
+        val description: String? = null,
+        val users: List<UserPermission> = emptyList()
+    ) : BudgetAction {
+        fun async() = BudgetAsyncAction.UpdateBudgetAsync(id, name, description, users)
+    }
+
+    data class DeleteBudget(val id: String) : BudgetAction {
+        fun async() = BudgetAsyncAction.DeleteBudgetAsync(id)
+    }
+}
+
+sealed interface BudgetAsyncAction : AsyncAction {
+    data class CreateBudgetAsync(
+        val name: String,
+        val description: String? = null,
+        val users: List<UserPermission> = emptyList()
+    ) : BudgetAsyncAction
+
+    data class UpdateBudgetAsync(
+        val id: String,
+        val name: String,
+        val description: String? = null,
+        val users: List<UserPermission> = emptyList()
+    ) : BudgetAsyncAction
+
+    data class DeleteBudgetAsync(val id: String) : BudgetAsyncAction
+}
+
+class BudgetReducer(private val budgetRepository: BudgetRepository) : AsyncReducer() {
+    override fun reduce(action: Action, state: State): State = when (action) {
+        is Action.Back -> state.copy(
+            editingBudget = false,
+            selectedBudget = if (state.editingBudget) state.selectedBudget else null
+        )
+        is BudgetAction.CreateBudget -> state.copy(loading = true).also {
+            dispatch(action.async())
+        }
+        is BudgetAction.EditBudget -> state.copy(
+            editingBudget = true,
+            selectedBudget = action.id
+        )
+        is BudgetAction.SelectBudget -> state.copy(
+            selectedBudget = action.id
+        )
+        is BudgetAction.UpdateBudget -> state.copy(loading = true).also {
+            dispatch(action.async())
+        }
+        is BudgetAction.DeleteBudget -> state.copy(loading = true).also {
+            dispatch(action.async())
+        }
+        is UserAction.Logout -> state.copy(
+            editingBudget = false,
+            selectedBudget = null,
+            budgets = null
+        )
+        else -> state
+    }
+
+    override suspend fun reduce(action: AsyncAction, state: State): State = when (action) {
+        is BudgetAsyncAction.CreateBudgetAsync -> {
+            val budget = budgetRepository.create(
+                Budget(name = action.name, description = action.description, users = action.users)
+            )
+            val budgets = state.budgets?.toMutableList() ?: mutableListOf()
+            budgets.add(budget)
+            budgets.sortBy { it.name }
+            state.copy(
+                loading = false,
+                budgets = budgets.toList(),
+                selectedBudget = budget.id
+            )
+        }
+        is BudgetAsyncAction.UpdateBudgetAsync -> {
+            budgetRepository.update(
+                Budget(
+                    id = action.id,
+                    name = action.name,
+                    description = action.description,
+                    users = action.users
+                )
+            )
+            state.copy(
+                loading = false,
+                editingBudget = false,
+            )
+        }
+        is BudgetAsyncAction.DeleteBudgetAsync -> {
+            budgetRepository.delete(action.id)
+            val budgets = state.budgets?.filterNot { it.id == action.id }
+            state.copy(
+                loading = false,
+                budgets = budgets,
+                editingBudget = false,
+                selectedBudget = null
+            )
+        }
+        else -> state
+    }
+}

shared/src/commonMain/kotlin/com/wbrawner/twigs/shared/budget/BudgetRepository.kt

@@ -0,0 +1,24 @@
+package com.wbrawner.twigs.shared.budget
+
+import com.wbrawner.twigs.shared.Repository
+import com.wbrawner.twigs.shared.network.APIService
+
+interface BudgetRepository : Repository<Budget> {
+    suspend fun getBalance(id: String): Long
+}
+
+class NetworkBudgetRepository(private val apiService: APIService) : BudgetRepository {
+    override suspend fun create(newItem: Budget): Budget = apiService.newBudget(NewBudgetRequest(newItem))
+
+    override suspend fun findAll(): List<Budget> = apiService.getBudgets()
+
+    override suspend fun findById(id: String): Budget = apiService.getBudget(id)
+
+    override suspend fun update(updatedItem: Budget): Budget =
+        apiService.updateBudget(updatedItem.id!!, updatedItem)
+
+    override suspend fun delete(id: String) = apiService.deleteBudget(id)
+
+    override suspend fun getBalance(id: String): Long =
+        apiService.sumTransactions(budgetId = id).balance
+}

shared/src/commonMain/kotlin/com/wbrawner/twigs/shared/category/Category.kt

@@ -1,19 +1,14 @@
-package com.wbrawner.budget.common.category
+package com.wbrawner.twigs.shared.category
 
-import com.wbrawner.budget.common.Identifiable
 import kotlinx.serialization.Serializable
 
 @Serializable
 data class Category(
         val budgetId: String,
-        override val id: String? = null,
+        val id: String? = null,
         val title: String,
         val description: String? = null,
         val amount: Long,
         val expense: Boolean = true,
         val archived: Boolean = false
-): Identifiable {
-    override fun toString(): String {
-        return title
-    }
-}
+)

shared/src/commonMain/kotlin/com/wbrawner/twigs/shared/category/CategoryRepository.kt

@@ -0,0 +1,9 @@
+package com.wbrawner.twigs.shared.category
+
+import com.wbrawner.twigs.shared.Repository
+import com.wbrawner.twigs.shared.category.Category
+
+interface CategoryRepository : Repository<Category> {
+    suspend fun findAll(budgetIds: Array<String>? = null): List<Category>
+    suspend fun getBalance(id: String): Long
+}

shared/src/commonMain/kotlin/com/wbrawner/twigs/shared/network/APIService.kt

@@ -1,15 +1,23 @@
-package com.wbrawner.budget.lib.network
+package com.wbrawner.twigs.shared.network
 
-import com.wbrawner.budget.common.Session
-import com.wbrawner.budget.common.budget.Budget
-import com.wbrawner.budget.common.category.Category
-import com.wbrawner.budget.common.transaction.BalanceResponse
-import com.wbrawner.budget.common.transaction.Transaction
-import com.wbrawner.budget.common.user.LoginRequest
-import com.wbrawner.budget.common.user.User
-import com.wbrawner.budget.lib.repository.NewBudgetRequest
+import com.wbrawner.twigs.shared.budget.Budget
+import com.wbrawner.twigs.shared.budget.NewBudgetRequest
+import com.wbrawner.twigs.shared.category.Category
+import com.wbrawner.twigs.shared.transaction.BalanceResponse
+import com.wbrawner.twigs.shared.transaction.Transaction
+import com.wbrawner.twigs.shared.user.LoginRequest
+import com.wbrawner.twigs.shared.user.Session
+import com.wbrawner.twigs.shared.user.User
+import io.ktor.client.*
+import io.ktor.client.engine.*
+import io.ktor.client.plugins.*
+import io.ktor.client.plugins.contentnegotiation.*
+import io.ktor.serialization.kotlinx.json.*
+import kotlinx.serialization.json.Json
 
-interface TwigsApiService {
+const val BASE_PATH = "/api"
+
+interface APIService {
     var baseUrl: String?
     var authToken: String?
 
@@ -96,4 +104,20 @@ interface TwigsApiService {
     ): User
 
     suspend fun deleteUser(id: String)
+
+    companion object
+}
+
+fun <T: HttpClientEngineConfig> HttpClientConfig<T>.commonConfig() {
+    install(ContentNegotiation) {
+        json(Json {
+            ignoreUnknownKeys = true
+            isLenient = true
+        })
+    }
+    install(HttpTimeout) {
+        requestTimeoutMillis = 1000
+        connectTimeoutMillis = 1000
+        socketTimeoutMillis = 1000
+    }
 }

shared/src/commonMain/kotlin/com/wbrawner/twigs/shared/network/KtorAPIService.kt

@@ -1,38 +1,23 @@
-package com.wbrawner.budget.lib.network
+package com.wbrawner.twigs.shared.network
 
-import com.wbrawner.budget.common.Session
-import com.wbrawner.budget.common.budget.Budget
-import com.wbrawner.budget.common.category.Category
-import com.wbrawner.budget.common.transaction.BalanceResponse
-import com.wbrawner.budget.common.transaction.Transaction
-import com.wbrawner.budget.common.user.LoginRequest
-import com.wbrawner.budget.common.user.User
-import com.wbrawner.budget.lib.repository.NewBudgetRequest
-import com.wbrawner.budgetlib.BuildConfig
+import com.wbrawner.twigs.shared.budget.Budget
+import com.wbrawner.twigs.shared.budget.NewBudgetRequest
+import com.wbrawner.twigs.shared.category.Category
+import com.wbrawner.twigs.shared.transaction.BalanceResponse
+import com.wbrawner.twigs.shared.transaction.Transaction
+import com.wbrawner.twigs.shared.user.LoginRequest
+import com.wbrawner.twigs.shared.user.Session
+import com.wbrawner.twigs.shared.user.User
 import io.ktor.client.*
-import io.ktor.client.engine.cio.*
-import io.ktor.client.features.json.*
-import io.ktor.client.features.json.serializer.*
-import io.ktor.client.features.logging.*
+import io.ktor.client.call.*
 import io.ktor.client.request.*
 import io.ktor.http.*
 
-class KtorTwigsApiService(
-    override var baseUrl: String?,
-    override var authToken: String?
-) : TwigsApiService {
-    private val client = HttpClient(CIO) {
-        install(JsonFeature) {
-            serializer = KotlinxSerializer()
-
-        }
-        if (BuildConfig.DEBUG) {
-            install(Logging) {
-                logger = Logger.ANDROID
-                level = LogLevel.ALL
-            }
-        }
-    }
+class KtorAPIService(
+    private val client: HttpClient
+) : APIService {
+    override var baseUrl: String? = null
+    override var authToken: String? = null
 
     override suspend fun getBudgets(count: Int?, page: Int?): List<Budget> = request("budgets")
 
@@ -40,13 +25,13 @@ class KtorTwigsApiService(
 
     override suspend fun newBudget(budget: NewBudgetRequest): Budget = request(
         path = "budgets",
-        httpBody = budget,
+        body = budget,
         httpMethod = HttpMethod.Post
     )
 
     override suspend fun updateBudget(id: String, budget: Budget): Budget = request(
         path = "budgets/$id",
-        httpBody = budget,
+        body = budget,
         httpMethod = HttpMethod.Put
     )
 
@@ -74,13 +59,13 @@ class KtorTwigsApiService(
 
     override suspend fun newCategory(category: Category): Category = request(
         path = "categories",
-        httpBody = category,
+        body = category,
         httpMethod = HttpMethod.Post
     )
 
     override suspend fun updateCategory(id: String, category: Category): Category = request(
         path = "categories/$id",
-        httpBody = category,
+        body = category,
         httpMethod = HttpMethod.Put
     )
 
@@ -121,14 +106,14 @@ class KtorTwigsApiService(
 
     override suspend fun newTransaction(transaction: Transaction): Transaction = request(
         path = "transactions",
-        httpBody = transaction,
+        body = transaction,
         httpMethod = HttpMethod.Post
     )
 
     override suspend fun updateTransaction(id: String, transaction: Transaction): Transaction =
         request(
             path = "transactions/$id",
-            httpBody = transaction,
+            body = transaction,
             httpMethod = HttpMethod.Put
         )
 
@@ -148,7 +133,7 @@ class KtorTwigsApiService(
 
     override suspend fun login(request: LoginRequest): Session = request(
         path = "users/login",
-        httpBody = request,
+        body = request,
         httpMethod = HttpMethod.Post
     )
 
@@ -165,13 +150,13 @@ class KtorTwigsApiService(
 
     override suspend fun newUser(user: User): User = request(
         path = "users",
-        httpBody = user,
+        body = user,
         httpMethod = HttpMethod.Post,
     )
 
     override suspend fun updateUser(id: String, user: User): User = request(
         path = "users/$id",
-        httpBody = user,
+        body = user,
         httpMethod = HttpMethod.Put,
     )
 
@@ -183,9 +168,9 @@ class KtorTwigsApiService(
     private suspend inline fun <reified T> request(
         path: String,
         queryParams: List<Pair<String, Any?>>? = null,
-        httpBody: Any? = null,
+        body: Any? = null,
         httpMethod: HttpMethod = HttpMethod.Get
-    ): T = client.request(URLBuilder(baseUrl!!).path("api/$path").build()) {
+    ): T = client.request(URLBuilder(baseUrl!!).apply { path("api/$path") }.buildString()) {
         method = httpMethod
         headers {
             authToken?.let { append(HttpHeaders.Authorization, "Bearer $it") }
@@ -199,9 +184,9 @@ class KtorTwigsApiService(
                 }
             }
         }
-        httpBody?.let {
+        body?.let {
             contentType(ContentType.Application.Json)
-            body = it
-        }
+            setBody(it)
         }
+    }.body()
 }

shared/src/commonMain/kotlin/com/wbrawner/twigs/shared/transaction/Transaction.kt

@@ -1,6 +1,6 @@
-package com.wbrawner.budget.common.transaction
+package com.wbrawner.twigs.shared.transaction
 
-import com.wbrawner.budget.common.Identifiable
+import kotlinx.datetime.Instant
 import kotlinx.serialization.KSerializer
 import kotlinx.serialization.Serializable
 import kotlinx.serialization.descriptors.PrimitiveKind
@@ -8,28 +8,26 @@ import kotlinx.serialization.descriptors.PrimitiveSerialDescriptor
 import kotlinx.serialization.descriptors.SerialDescriptor
 import kotlinx.serialization.encoding.Decoder
 import kotlinx.serialization.encoding.Encoder
-import java.time.Instant
-import java.util.*
 
 @Serializable
 data class Transaction(
-        override val id: String? = null,
+        val id: String? = null,
         val title: String,
         @Serializable(with = DateSerializer::class)
-        val date: Date,
+        val date: Instant,
         val description: String? = null,
         val amount: Long,
         val categoryId: String? = null,
         val budgetId: String,
         val expense: Boolean,
         val createdBy: String
-): Identifiable
+)
 
 @Serializable
 data class BalanceResponse(val balance: Long)
 
-object DateSerializer : KSerializer<Date> {
+object DateSerializer : KSerializer<Instant> {
         override val descriptor: SerialDescriptor = PrimitiveSerialDescriptor("Date", PrimitiveKind.STRING)
-        override fun serialize(encoder: Encoder, value: Date) = encoder.encodeString(value.toInstant().toString())
-        override fun deserialize(decoder: Decoder): Date = Date.from(Instant.parse(decoder.decodeString()))
+        override fun serialize(encoder: Encoder, value: Instant) = encoder.encodeString(value.toString())
+        override fun deserialize(decoder: Decoder): Instant = Instant.parse(decoder.decodeString())
 }

shared/src/commonMain/kotlin/com/wbrawner/twigs/shared/transaction/TransactionRepository.kt

@@ -0,0 +1,15 @@
+package com.wbrawner.twigs.shared.transaction
+
+import com.wbrawner.twigs.shared.Repository
+import com.wbrawner.twigs.shared.endOfMonth
+import com.wbrawner.twigs.shared.startOfMonth
+import kotlinx.datetime.*
+
+interface TransactionRepository : Repository<Transaction> {
+    suspend fun findAll(
+            budgetIds: List<String>? = null,
+            categoryIds: List<String>? = null,
+            start: Instant? = startOfMonth(),
+            end: Instant? = endOfMonth()
+    ): List<Transaction>
+}

shared/src/commonMain/kotlin/com/wbrawner/twigs/shared/user/User.kt

@@ -1,17 +1,15 @@
-package com.wbrawner.budget.common.user
+package com.wbrawner.twigs.shared.user
 
-import com.wbrawner.budget.common.Identifiable
+import kotlinx.datetime.Instant
 import kotlinx.serialization.Serializable
 
 @Serializable
 data class User(
-    override val id: String? = null,
+    val id: String? = null,
     val username: String,
     val email: String? = null,
     val avatar: String? = null
-) : Identifiable {
-    override fun toString(): String = username
-}
+)
 
 @Serializable
 data class UserPermission(
@@ -31,3 +29,10 @@ data class LoginRequest(
     val username: String,
     val password: String
 )
+
+@Serializable
+data class Session(
+    val userId: String,
+    val token: String,
+    val expiration: Instant
+)

shared/src/commonMain/kotlin/com/wbrawner/twigs/shared/user/UserAction.kt

@@ -0,0 +1,13 @@
+package com.wbrawner.twigs.shared.user
+
+import com.wbrawner.twigs.shared.Action
+
+sealed interface UserAction: Action {
+    data class Login(val username: String, val password: String): UserAction
+    data class Register(val username: String, val password: String, val confirmPassword: String): UserAction
+    object Logout: UserAction
+}
+
+sealed interface UserEffect {
+
+}

shared/src/commonMain/kotlin/com/wbrawner/twigs/shared/user/UserRepository.kt

@@ -0,0 +1,10 @@
+package com.wbrawner.twigs.shared.user
+
+import com.wbrawner.twigs.shared.Repository
+
+interface UserRepository : Repository<User> {
+    suspend fun login(username: String, password: String): User
+    suspend fun getProfile(): User
+    suspend fun findAll(budgetId: String? = null): List<User>
+    suspend fun findAllByNameLike(query: String): List<User>
+}

shared/src/commonTest/kotlin/com/wbrawner/twigs/shared/BudgetReducerTests.kt

@@ -0,0 +1,54 @@
+package com.wbrawner.twigs.shared
+
+import com.wbrawner.twigs.shared.budget.BudgetAction
+import com.wbrawner.twigs.shared.budget.BudgetReducer
+import com.wbrawner.twigs.shared.budget.BudgetRepository
+import com.wbrawner.twigs.shared.user.Permission
+import com.wbrawner.twigs.shared.user.UserPermission
+import kotlinx.datetime.toInstant
+import kotlin.test.BeforeTest
+import kotlin.test.DefaultAsserter.assertEquals
+import kotlin.test.DefaultAsserter.assertTrue
+import kotlin.test.Test
+import kotlin.test.assertFalse
+import kotlin.test.assertNull
+
+class BudgetReducerTests {
+    lateinit var reducer: BudgetReducer
+    lateinit var dispatchedActions: MutableList<Action>
+    lateinit var budgetRepository: FakeBudgetRepository
+
+    @BeforeTest
+    fun setup() {
+        dispatchedActions = mutableListOf()
+        budgetRepository = FakeBudgetRepository()
+        reducer = BudgetReducer(budgetRepository)
+        reducer.dispatch = { dispatchedActions.add(it) }
+    }
+
+    @Test
+    fun goBackWhileEditingTest() {
+        val state = State(editingBudget = true, selectedBudget = "test")
+        val newState = reducer.reduce(Action.Back, state)
+        assertFalse(newState.editingBudget)
+        assertEquals("selectedBudget should still be set", "test", newState.selectedBudget)
+    }
+
+    @Test
+    fun goBackWhileViewingTest() {
+        val state = State(selectedBudget = "test")
+        val newState = reducer.reduce(Action.Back, state)
+        assertNull(newState.selectedBudget)
+    }
+
+    @Test
+    fun createBudgetTest() {
+        val state = State()
+        val users = listOf(UserPermission("user", Permission.OWNER))
+        assertFalse(state.loading)
+        val newState = reducer.reduce(BudgetAction.CreateBudget("test", "description", users), state)
+        assertTrue(state.loading)
+
+        assertNull(newState.selectedBudget)
+    }
+}

shared/src/commonTest/kotlin/com/wbrawner/twigs/shared/FakeBudgetRepository.kt

@@ -0,0 +1,33 @@
+package com.wbrawner.twigs.shared
+
+import com.wbrawner.twigs.shared.budget.Budget
+import com.wbrawner.twigs.shared.budget.BudgetRepository
+
+class FakeBudgetRepository: BudgetRepository {
+    val budgets = mutableListOf<Budget>()
+
+    override suspend fun getBalance(id: String): Long {
+        return 0
+    }
+
+    override suspend fun create(newItem: Budget): Budget {
+        val saved = newItem.copy(id = randomId())
+        budgets.add(saved)
+        return saved
+    }
+
+    override suspend fun findAll(): List<Budget> = budgets
+
+    override suspend fun findById(id: String): Budget = budgets.first { it.id == id }
+
+    override suspend fun update(updatedItem: Budget): Budget {
+        budgets.removeAll { it.id == updatedItem.id }
+        budgets.add(updatedItem)
+        budgets.sortBy { it.name }
+        return updatedItem
+    }
+
+    override suspend fun delete(id: String) {
+        budgets.removeAll { it.id == id }
+    }
+}

shared/src/commonTest/kotlin/com/wbrawner/twigs/shared/UtilsTests.kt

@@ -0,0 +1,55 @@
+package com.wbrawner.twigs.shared
+
+import kotlinx.datetime.toInstant
+import kotlin.test.DefaultAsserter.assertEquals
+import kotlin.test.Test
+
+class UtilsTests {
+    @Test
+    fun `startOfMonth returns the correct dates`() {
+        listOf(
+            "2022-01-01T00:00:00Z" to "2022-01-01T00:00:00Z",
+            "2022-02-01T00:00:00Z" to "2022-02-10T12:30:45Z",
+            "2022-03-01T00:00:00Z" to "2022-03-15T12:30:45Z",
+            "2022-04-01T00:00:00Z" to "2022-04-20T12:30:45Z",
+            "2022-05-01T00:00:00Z" to "2022-05-20T12:30:45Z",
+            "2022-06-01T00:00:00Z" to "2022-06-20T12:30:45Z",
+            "2022-07-01T00:00:00Z" to "2022-07-20T12:30:45Z",
+            "2022-08-01T00:00:00Z" to "2022-08-20T12:30:45Z",
+            "2022-09-01T00:00:00Z" to "2022-09-20T12:30:45Z",
+            "2022-10-01T00:00:00Z" to "2022-10-20T12:30:45Z",
+            "2022-11-01T00:00:00Z" to "2022-11-20T12:30:45Z",
+            "2022-12-01T00:00:00Z" to "2022-12-31T23:59:59Z"
+        ).forEach { (expected, now) ->
+            assertEquals(
+                "Failed to set $now to start of month",
+                expected,
+                startOfMonth(now.toInstant()).toString()
+            )
+        }
+    }
+
+    @Test
+    fun `endOfMonth returns the correct dates`() {
+        listOf(
+            "2022-01-31T23:59:59Z" to "2022-01-01T00:00:00Z",
+            "2022-02-28T23:59:59Z" to "2022-02-10T12:30:45Z",
+            "2022-03-31T23:59:59Z" to "2022-03-15T12:30:45Z",
+            "2022-04-30T23:59:59Z" to "2022-04-20T12:30:45Z",
+            "2022-05-31T23:59:59Z" to "2022-05-20T12:30:45Z",
+            "2022-06-30T23:59:59Z" to "2022-06-20T12:30:45Z",
+            "2022-07-31T23:59:59Z" to "2022-07-20T12:30:45Z",
+            "2022-08-31T23:59:59Z" to "2022-08-20T12:30:45Z",
+            "2022-09-30T23:59:59Z" to "2022-09-20T12:30:45Z",
+            "2022-10-31T23:59:59Z" to "2022-10-20T12:30:45Z",
+            "2022-11-30T23:59:59Z" to "2022-11-20T12:30:45Z",
+            "2022-12-31T23:59:59Z" to "2022-12-31T23:59:59Z"
+        ).forEach { (expected, now) ->
+            assertEquals(
+                "Failed to set $now to end of month",
+                expected,
+                endOfMonth(now.toInstant()).toString()
+            )
+        }
+    }
+}

shared/src/iosMain/Kotlin/com/wbrawner/pihelper/shared/iOS.kt

@@ -0,0 +1,46 @@
+package com.wbrawner.pihelper.shared
+
+import com.wbrawner.twigs.shared.*
+import io.ktor.client.*
+import io.ktor.client.engine.darwin.*
+import io.ktor.utils.io.charsets.*
+import io.ktor.utils.io.core.*
+import kotlinx.cinterop.addressOf
+import kotlinx.cinterop.convert
+import kotlinx.cinterop.usePinned
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.launchIn
+import kotlinx.coroutines.flow.onEach
+import platform.CoreCrypto.CC_SHA256
+import platform.CoreCrypto.CC_SHA256_DIGEST_LENGTH
+
+//fun APIService.Companion.create() = KtorAPIService(HttpClient(Darwin) {
+//    commonConfig()
+//})
+
+//fun Store.Companion.create() = Store(PiholeAPIService.create())
+
+fun Store.watchState(block: (State) -> Unit) = state.watch(block)
+fun Store.watchEffects(block: (Effect) -> Unit) = effects.watch(block)
+
+fun interface Closeable {
+    fun close()
+}
+
+class CloseableFlow<T : Any> internal constructor(private val origin: Flow<T>) : Flow<T> by origin {
+    fun watch(block: (T) -> Unit): Closeable {
+        val job = Job()
+
+        onEach {
+            block(it)
+        }.launchIn(CoroutineScope(Dispatchers.Main + job))
+
+        return Closeable { job.cancel() }
+    }
+}
+
+internal fun <T : Any> Flow<T>.watch(block: (T) -> Unit): Closeable =
+    CloseableFlow(this).watch(block)

storage/.gitignore

@@ -1 +0,0 @@
-/build

storage/build.gradle

@@ -1,43 +0,0 @@
-plugins {
-    id 'com.android.library'
-    id 'kotlin-android'
-    id 'kotlin-kapt'
-    id 'dagger.hilt.android.plugin'
-}
-
-android {
-    compileSdkVersion 31
-
-    defaultConfig {
-        minSdkVersion 23
-        targetSdkVersion 31
-        versionCode 1
-        versionName "1.0"
-
-        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
-
-    }
-
-    buildTypes {
-        release {
-            minifyEnabled false
-            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
-        }
-    }
-
-}
-
-dependencies {
-    implementation fileTree(dir: 'libs', include: ['*.jar'])
-    // Security
-    def security_version = "1.0.0-beta01"
-    implementation "androidx.security:security-crypto:$security_version"
-    implementation 'androidx.appcompat:appcompat:1.3.1'
-    // Dagger
-    implementation "com.google.dagger:hilt-android:$rootProject.ext.dagger"
-    kapt "com.google.dagger:hilt-compiler:$rootProject.ext.dagger"
-    testImplementation 'junit:junit:4.13.1'
-    androidTestImplementation 'androidx.test:runner:1.4.0'
-    androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
-    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
-}

storage/proguard-rules.pro

@@ -1,21 +0,0 @@
-# Add project specific ProGuard rules here.
-# You can control the set of applied configuration files using the
-# proguardFiles setting in build.gradle.
-#
-# For more details, see
-#   http://developer.android.com/guide/developing/tools/proguard.html
-
-# If your project uses WebView with JS, uncomment the following
-# and specify the fully qualified class name to the JavaScript interface
-# class:
-#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
-#   public *;
-#}
-
-# Uncomment this to preserve the line number information for
-# debugging stack traces.
-#-keepattributes SourceFile,LineNumberTable
-
-# If you keep the line number information, uncomment this to
-# hide the original source file name.
-#-renamesourcefileattribute SourceFile

storage/src/androidTest/java/com/wbrawner/auth/ExampleInstrumentedTest.java

@@ -1,27 +0,0 @@
-package com.wbrawner.auth;
-
-import android.content.Context;
-
-import androidx.test.InstrumentationRegistry;
-import androidx.test.runner.AndroidJUnit4;
-
-import org.junit.Test;
-import org.junit.runner.RunWith;
-
-import static org.junit.Assert.assertEquals;
-
-/**
- * Instrumented test, which will execute on an Android device.
- *
- * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
- */
-@RunWith(AndroidJUnit4.class)
-public class ExampleInstrumentedTest {
-    @Test
-    public void useAppContext() {
-        // Context of the app under test.
-        Context appContext = InstrumentationRegistry.getTargetContext();
-
-        assertEquals("com.wbrawner.auth.test", appContext.getPackageName());
-    }
-}

storage/src/main/AndroidManifest.xml

@@ -1 +0,0 @@
-<manifest package="com.wbrawner.auth" />

storage/src/main/java/com/wbrawner/budget/storage/StorageModule.kt

@@ -1,28 +0,0 @@
-package com.wbrawner.budget.storage
-
-import android.content.Context
-import android.content.SharedPreferences
-import androidx.security.crypto.EncryptedSharedPreferences
-import dagger.Module
-import dagger.Provides
-import dagger.hilt.InstallIn
-import dagger.hilt.android.qualifiers.ApplicationContext
-import dagger.hilt.components.SingletonComponent
-import javax.inject.Singleton
-
-const val ENCRYPTED_SHARED_PREFS_FILE_NAME = "shared-prefs.encrypted"
-
-@Module
-@InstallIn(SingletonComponent::class)
-class StorageModule {
-    @Provides
-    @Singleton
-    fun provideSharedPreferences(@ApplicationContext context: Context): SharedPreferences =
-        EncryptedSharedPreferences.create(
-            ENCRYPTED_SHARED_PREFS_FILE_NAME,
-            "budget",
-            context,
-            EncryptedSharedPreferences.PrefKeyEncryptionScheme.AES256_SIV,
-            EncryptedSharedPreferences.PrefValueEncryptionScheme.AES256_GCM
-        )
-}

storage/src/main/res/values/strings.xml

@@ -1,3 +0,0 @@
-<resources>
-    <string name="app_name">Auth</string>
-</resources>

storage/src/test/java/com/wbrawner/auth/ExampleUnitTest.java

@@ -1,17 +0,0 @@
-package com.wbrawner.auth;
-
-import org.junit.Test;
-
-import static org.junit.Assert.assertEquals;
-
-/**
- * Example local unit test, which will execute on the development machine (host).
- *
- * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
- */
-public class ExampleUnitTest {
-    @Test
-    public void addition_isCorrect() {
-        assertEquals(4, 2 + 2);
-    }
-}