Add category routes

api/.gitignore

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

api/src/main/kotlin/com/wbrawner/twigs/BudgetRoutes.kt

@@ -23,8 +23,10 @@ fun Application.budgetRoutes(
         block: suspend (Budget) -> Unit
     ) {
         val session = call.principal<Session>()!!
-        val userPermission =
+        val userPermission = permissionRepository.findAll(
-            permissionRepository.findAllByUserId(session.userId).firstOrNull { it.budgetId == budgetId }
+            userId = session.userId,
+            budgetIds = listOf(budgetId)
+        ).firstOrNull()
         if (userPermission?.permission?.isNotAtLeast(permission) != true) {
             call.respond(HttpStatusCode.Forbidden)
             return
@@ -33,24 +35,20 @@ fun Application.budgetRoutes(
     }
 
     routing {
+        route("/api/budgets") {
             authenticate(optional = false) {
                 get("/") {
                     val session = call.principal<Session>()!!
-                val budgetIds = permissionRepository.findAllByUserId(session.userId).map { it.budgetId }
+                    val budgetIds = permissionRepository.findAll(userId = session.userId).map { it.budgetId }
                     val budgets = budgetRepository.findAllByIds(budgetIds).map {
-                    BudgetResponse(it, permissionRepository.findAllByBudgetId(it.id))
+                        BudgetResponse(it, permissionRepository.findAll(budgetIds = listOf(it.id)))
-                }
-                if (call.request.contentType() == ContentType.Application.Json) {
-
-                } else {
-                    call.respondHtml()
                     }
                     call.respond(budgets)
                 }
 
                 get("/{id}") {
                     budgetWithPermission(budgetId = call.parameters["id"]!!, Permission.READ) { budget ->
-                    val users = permissionRepository.findAllByBudgetId(budget.id)
+                        val users = permissionRepository.findAll(budgetIds = listOf(budget.id))
                         call.respond(BudgetResponse(budget, users))
                     }
                 }
@@ -98,8 +96,8 @@ fun Application.budgetRoutes(
                         val description = request.description ?: budget.description
                         val users = request.users?.map {
                             permissionRepository.save(UserPermission(budget.id, it.user, it.permission))
-                    } ?: permissionRepository.findAllByBudgetId(budget.id)
+                        } ?: permissionRepository.findAll(budgetIds = listOf(budget.id))
-                    permissionRepository.findAllByBudgetId(budget.id).forEach {
+                        permissionRepository.findAll(budgetIds = listOf(budget.id)).forEach {
                             if (it.permission != Permission.OWNER && users.none { userPermission -> userPermission.userId == it.userId }) {
                                 permissionRepository.delete(it)
                             }
@@ -114,7 +112,7 @@ fun Application.budgetRoutes(
                 }
 
                 delete("/{id}") {
-                budgetWithPermission(budgetId = call.parameters["id"]!!, Permission.READ) { budget ->
+                    budgetWithPermission(budgetId = call.parameters["id"]!!, Permission.OWNER) { budget ->
                         budgetRepository.delete(budget)
                         call.respond(HttpStatusCode.NoContent)
                     }
@@ -122,3 +120,4 @@ fun Application.budgetRoutes(
             }
         }
     }
+}

api/src/main/kotlin/com/wbrawner/twigs/CategoryApi.kt

@@ -2,18 +2,11 @@ package com.wbrawner.twigs
 
 import com.wbrawner.twigs.model.Category
 
-data class NewCategoryRequest(
+data class CategoryRequest(
-    val title: String,
-    val description: String? = null,
-    val amount: Long,
-    val budgetId: String,
-    val expense: Boolean
-)
-
-data class UpdateCategoryRequest(
     val title: String? = null,
     val description: String? = null,
     val amount: Long? = null,
+    val budgetId: String? = null,
     val expense: Boolean? = null,
     val archived: Boolean? = null
 )

api/src/main/kotlin/com/wbrawner/twigs/CategoryRoutes.kt

@@ -0,0 +1,148 @@
+package com.wbrawner.twigs
+
+import com.wbrawner.twigs.model.Category
+import com.wbrawner.twigs.model.Permission
+import com.wbrawner.twigs.storage.CategoryRepository
+import com.wbrawner.twigs.storage.PermissionRepository
+import io.ktor.application.*
+import io.ktor.auth.*
+import io.ktor.http.*
+import io.ktor.request.*
+import io.ktor.response.*
+import io.ktor.routing.*
+import io.ktor.util.pipeline.*
+
+fun Application.categoryRoutes(
+    categoryRepository: CategoryRepository,
+    permissionRepository: PermissionRepository
+) {
+    routing {
+        route("/api/categories") {
+            authenticate(optional = false) {
+                get("/") {
+                    val session = call.principal<Session>()!!
+                    call.respond(categoryRepository.findAll(
+                        budgetIds = permissionRepository.findAll(
+                            budgetIds = call.request.queryParameters.getAll("budgetIds"),
+                            userId = session.userId
+                        ).map { it.budgetId },
+                        expense = call.request.queryParameters["expense"]?.toBoolean(),
+                        archived = call.request.queryParameters["archived"]?.toBoolean()
+                    ).map { CategoryResponse(it) })
+                }
+
+                get("/{id}") {
+                    val session = call.principal<Session>()!!
+                    call.respond(categoryRepository.findAll(
+                        ids = call.parameters.getAll("id"),
+                        budgetIds = permissionRepository.findAll(
+                            userId = session.userId
+                        ).map { it.budgetId }
+                    ).map { CategoryResponse(it) })
+                }
+
+                post("/{id}") {
+                    val session = call.principal<Session>()!!
+                    val request = call.receive<CategoryRequest>()
+                    if (request.title.isNullOrBlank()) {
+                        call.respond(HttpStatusCode.BadRequest, ErrorResponse("Title cannot be null or empty"))
+                        return@post
+                    }
+                    if (request.budgetId.isNullOrBlank()) {
+                        call.respond(HttpStatusCode.BadRequest, ErrorResponse("Budget ID cannot be null or empty"))
+                        return@post
+                    }
+                    requireBudgetWithPermission(
+                        permissionRepository,
+                        session.userId,
+                        request.budgetId,
+                        Permission.WRITE
+                    ) {
+                        return@post
+                    }
+                    call.respond(
+                        CategoryResponse(
+                            categoryRepository.save(
+                                Category(
+                                    title = request.title,
+                                    description = request.description,
+                                    amount = request.amount ?: 0L,
+                                    expense = request.expense ?: true,
+                                )
+                            )
+                        )
+                    )
+                }
+
+                put("/{id}") {
+                    val session = call.principal<Session>()!!
+                    val request = call.receive<CategoryRequest>()
+                    val category = categoryRepository.findAll(ids = call.parameters.getAll("id"))
+                        .firstOrNull()
+                        ?: run {
+                            call.respond(HttpStatusCode.NotFound)
+                            return@put
+                        }
+                    requireBudgetWithPermission(
+                        permissionRepository,
+                        session.userId,
+                        category.budgetId!!,
+                        Permission.WRITE
+                    ) {
+                        return@put
+                    }
+                    call.respond(
+                        CategoryResponse(
+                            categoryRepository.save(
+                                Category(
+                                    title = request.title ?: category.title,
+                                    description = request.description ?: category.description,
+                                    amount = request.amount ?: category.amount,
+                                    expense = request.expense ?: category.expense,
+                                    archived = request.archived ?: category.archived
+                                )
+                            )
+                        )
+                    )
+                }
+
+                delete("/{id}") {
+                    val session = call.principal<Session>()!!
+                    val category = categoryRepository.findAll(ids = call.parameters.getAll("id"))
+                        .firstOrNull()
+                        ?: run {
+                            call.respond(HttpStatusCode.NotFound)
+                            return@delete
+                        }
+                    requireBudgetWithPermission(
+                        permissionRepository,
+                        session.userId,
+                        category.budgetId!!,
+                        Permission.WRITE
+                    ) {
+                        return@delete
+                    }
+                    categoryRepository.delete(category)
+                }
+            }
+        }
+    }
+}
+
+suspend inline fun PipelineContext<Unit, ApplicationCall>.requireBudgetWithPermission(
+    permissionRepository: PermissionRepository,
+    userId: String,
+    budgetId: String,
+    permission: Permission,
+    otherwise: () -> Unit
+) {
+    permissionRepository.findAll(
+        userId = userId,
+        budgetIds = listOf(budgetId)
+    ).firstOrNull {
+        it.permission.isAtLeast(permission)
+    } ?: run {
+        call.respond(HttpStatusCode.Forbidden, "Insufficient permissions on budget $budgetId")
+        otherwise()
+    }
+}

app/src/main/kotlin/com/wbrawner/twigs/server/Application.kt

@@ -1,6 +1,7 @@
 package com.wbrawner.twigs.server
 
 import com.wbrawner.twigs.budgetRoutes
+import com.wbrawner.twigs.categoryRoutes
 import io.ktor.application.*
 import io.ktor.auth.*
 
@@ -10,4 +11,5 @@ fun Application.module(budgetReposi) {
 
     install(Authentication)
     budgetRoutes()
+    categoryRoutes()
 }

app/src/main/kotlin/com/wbrawner/twigs/server/category/CategoryController.kt

@@ -1,171 +0,0 @@
-package com.wbrawner.twigs.server.category
-
-import com.wbrawner.twigs.ErrorResponse
-import com.wbrawner.twigs.server.currentUser
-import com.wbrawner.twigs.server.firstOfMonth
-import com.wbrawner.twigs.server.permission.Permission
-import com.wbrawner.twigs.server.permission.UserPermission
-import com.wbrawner.twigs.server.permission.UserPermissionRepository
-import com.wbrawner.twigs.server.transaction.Transaction
-import com.wbrawner.twigs.server.transaction.TransactionRepository
-import org.springframework.data.domain.PageRequest
-import org.springframework.data.domain.Sort
-import org.springframework.http.HttpStatus
-import org.springframework.http.MediaType
-import org.springframework.http.ResponseEntity
-import org.springframework.web.bind.annotation.*
-import java.util.function.Consumer
-import java.util.stream.Collectors
-import javax.transaction.Transactional
-
-@RestController
-@RequestMapping(path = ["/categories"])
-@Transactional
-open class CategoryController(
-    private val categoryRepository: CategoryRepository,
-    private val transactionRepository: TransactionRepository,
-    private val userPermissionsRepository: UserPermissionRepository
-) {
-    @GetMapping(path = [""], produces = [MediaType.APPLICATION_JSON_VALUE])
-    open fun getCategories(
-        @RequestParam(name = "budgetIds", required = false) budgetIds: List<String?>?,
-        @RequestParam(name = "isExpense", required = false) isExpense: Boolean?,
-        @RequestParam(name = "includeArchived", required = false) includeArchived: Boolean?,
-        @RequestParam(name = "count", required = false) count: Int?,
-        @RequestParam(name = "page", required = false) page: Int?,
-        @RequestParam(name = "false", required = false) sortBy: String?,
-        @RequestParam(name = "sortOrder", required = false) sortOrder: Sort.Direction?
-    ): ResponseEntity<List<CategoryResponse>> {
-        val userPermissions: List<UserPermission>
-        userPermissions = if (budgetIds != null && !budgetIds.isEmpty()) {
-            userPermissionsRepository.findAllByUserAndBudget_IdIn(
-                currentUser,
-                budgetIds,
-                PageRequest.of(page ?: 0, count ?: 1000)
-            )
-        } else {
-            userPermissionsRepository.findAllByUser(currentUser, null)
-        }
-        val budgets = userPermissions.stream()
-            .map { obj: UserPermission -> obj.budget }
-            .collect(Collectors.toList())
-        val pageRequest = PageRequest.of(
-            Math.min(0, if (page != null) page - 1 else 0),
-            count ?: 1000,
-            sortOrder ?: Sort.Direction.ASC,
-            sortBy ?: "title"
-        )
-        val archived = if (includeArchived == null || includeArchived == false) false else null
-        val categories = categoryRepository.findAllByBudgetIn(budgets, isExpense, archived, pageRequest)
-        return ResponseEntity.ok(
-            categories.stream()
-                .map { category: Category -> CategoryResponse(category) }
-                .collect(Collectors.toList())
-        )
-    }
-
-    @GetMapping(path = ["/{id}"], produces = [MediaType.APPLICATION_JSON_VALUE])
-    open fun getCategory(@PathVariable id: String?): ResponseEntity<CategoryResponse> {
-        val budgets = userPermissionsRepository.findAllByUser(currentUser, null)
-            .stream()
-            .map { obj: UserPermission -> obj.budget }
-            .collect(Collectors.toList())
-        val category = categoryRepository.findByBudgetInAndId(budgets, id).orElse(null)
-            ?: return ResponseEntity.notFound().build()
-        return ResponseEntity.ok(CategoryResponse(category))
-    }
-
-    @GetMapping(path = ["/{id}/balance"], produces = [MediaType.APPLICATION_JSON_VALUE])
-    open fun getCategoryBalance(@PathVariable id: String?): ResponseEntity<CategoryBalanceResponse> {
-        val budgets = userPermissionsRepository.findAllByUser(currentUser, null)
-            .stream()
-            .map { obj: UserPermission -> obj.budget }
-            .collect(Collectors.toList())
-        val category = categoryRepository.findByBudgetInAndId(budgets, id).orElse(null)
-            ?: return ResponseEntity.notFound().build()
-        val sum = transactionRepository.sumBalanceByCategoryId(category.id, firstOfMonth)
-        return ResponseEntity.ok(CategoryBalanceResponse(category.id, sum))
-    }
-
-    @PostMapping(
-        path = [""],
-        consumes = [MediaType.APPLICATION_JSON_VALUE],
-        produces = [MediaType.APPLICATION_JSON_VALUE]
-    )
-    open fun newCategory(@RequestBody request: NewCategoryRequest): ResponseEntity<Any> {
-        val userResponse = userPermissionsRepository.findByUserAndBudget_Id(currentUser, request.budgetId)
-            .orElse(null) ?: return ResponseEntity.badRequest().body(ErrorResponse("Invalid budget ID"))
-        if (userResponse.permission.isNotAtLeast(Permission.WRITE)) {
-            return ResponseEntity.status(HttpStatus.FORBIDDEN).build()
-        }
-        val budget = userResponse.budget
-        return ResponseEntity.ok(
-            CategoryResponse(
-                categoryRepository.save(
-                    Category(
-                        title = request.title,
-                        description = request.description,
-                        amount = request.amount,
-                        budget = budget,
-                        expense = request.expense
-                    )
-                )
-            )
-        )
-    }
-
-    @PutMapping(
-        path = ["/{id}"],
-        consumes = [MediaType.APPLICATION_JSON_VALUE],
-        produces = [MediaType.APPLICATION_JSON_VALUE]
-    )
-    open fun updateCategory(
-        @PathVariable id: String,
-        @RequestBody request: UpdateCategoryRequest
-    ): ResponseEntity<CategoryResponse> {
-        val category = categoryRepository.findById(id).orElse(null)
-            ?: return ResponseEntity.notFound().build()
-        val userPermission = userPermissionsRepository.findByUserAndBudget_Id(
-            currentUser,
-            category.budget!!.id
-        ).orElse(null)
-            ?: return ResponseEntity.notFound().build()
-        if (userPermission.permission.isNotAtLeast(Permission.WRITE)) {
-            return ResponseEntity.status(HttpStatus.FORBIDDEN).build()
-        }
-        if (request.title != null) {
-            category.title = request.title
-        }
-        if (request.description != null) {
-            category.description = request.description
-        }
-        if (request.amount != null) {
-            category.amount = request.amount
-        }
-        if (request.expense != null) {
-            category.expense = request.expense
-        }
-        if (request.archived != null) {
-            category.archived = request.archived
-        }
-        return ResponseEntity.ok(CategoryResponse(categoryRepository.save(category)))
-    }
-
-    @DeleteMapping(path = ["/{id}"], produces = [MediaType.TEXT_PLAIN_VALUE])
-    open fun deleteCategory(@PathVariable id: String): ResponseEntity<Void> {
-        val category = categoryRepository.findById(id).orElse(null) ?: return ResponseEntity.notFound().build()
-        val userPermission =
-            userPermissionsRepository.findByUserAndBudget_Id(currentUser, category.budget!!.id).orElse(null)
-                ?: return ResponseEntity.notFound().build()
-        if (userPermission.permission.isNotAtLeast(Permission.WRITE)) {
-            return ResponseEntity.status(HttpStatus.FORBIDDEN).build()
-        }
-        transactionRepository.findAllByBudgetAndCategory(userPermission.budget, category)
-            .forEach(Consumer { transaction: Transaction ->
-                transaction.category = null
-                transactionRepository.save(transaction)
-            })
-        categoryRepository.delete(category)
-        return ResponseEntity.ok().build()
-    }
-}

app/src/main/kotlin/com/wbrawner/twigs/server/category/CategoryRepository.kt

@@ -1,23 +0,0 @@
-package com.wbrawner.twigs.server.category
-
-import com.wbrawner.twigs.server.budget.Budget
-import org.springframework.data.domain.Pageable
-import org.springframework.data.jpa.repository.Query
-import org.springframework.data.repository.PagingAndSortingRepository
-import java.util.*
-
-interface CategoryRepository : PagingAndSortingRepository<Category, String> {
-    fun findAllByBudget(budget: Budget?, pageable: Pageable?): List<Category>
-
-    @Query("SELECT c FROM Category c where c.budget IN (:budgets) AND (:expense IS NULL OR c.expense = :expense) AND (:archived IS NULL OR c.archived = :archived)")
-    fun findAllByBudgetIn(
-        budgets: List<Budget?>?,
-        expense: Boolean?,
-        archived: Boolean?,
-        pageable: Pageable?
-    ): List<Category>
-
-    fun findByBudgetInAndId(budgets: List<Budget?>?, id: String?): Optional<Category>
-    fun findByBudgetAndId(budget: Budget?, id: String?): Optional<Category>
-    fun findAllByBudgetInAndIdIn(budgets: List<Budget?>?, ids: List<String?>?, pageable: Pageable?): List<Category>
-}

app/src/main/kotlin/com/wbrawner/twigs/server/passwordresetrequest/PasswordResetRequestRepository.kt

@@ -1,5 +0,0 @@
-package com.wbrawner.twigs.server.passwordresetrequest
-
-import org.springframework.data.repository.PagingAndSortingRepository
-
-interface PasswordResetRequestRepository : PagingAndSortingRepository<PasswordResetRequest, Long>

app/src/main/kotlin/com/wbrawner/twigs/server/permission/UserPermissionRepository.kt

@@ -1,15 +0,0 @@
-package com.wbrawner.twigs.server.permission
-
-import com.wbrawner.twigs.server.budget.Budget
-import com.wbrawner.twigs.server.user.User
-import org.springframework.data.domain.Pageable
-import org.springframework.data.repository.PagingAndSortingRepository
-import java.util.*
-
-interface UserPermissionRepository : PagingAndSortingRepository<UserPermission, UserPermissionKey> {
-    fun findByUserAndBudget_Id(user: User?, budgetId: String?): Optional<UserPermission>
-    fun findAllByUser(user: User?, pageable: Pageable?): List<UserPermission>
-    fun findAllByBudget(budget: Budget?, pageable: Pageable?): List<UserPermission>
-    fun findAllByUserAndBudget(user: User?, budget: Budget?, pageable: Pageable?): List<UserPermission>
-    fun findAllByUserAndBudget_IdIn(user: User?, budgetIds: List<String?>?, pageable: Pageable?): List<UserPermission>
-}

app/src/main/kotlin/com/wbrawner/twigs/server/session/UserSessionRepository.kt

@@ -1,11 +0,0 @@
-package com.wbrawner.twigs.server.session
-
-import org.springframework.data.repository.PagingAndSortingRepository
-import java.util.*
-
-interface UserSessionRepository : PagingAndSortingRepository<Session, String> {
-    fun findByUserId(userId: String?): List<Session?>?
-    fun findByToken(token: String?): Optional<Session?>?
-    fun findByUserIdAndToken(userId: String?, token: String?): Optional<Session?>?
-    fun deleteAllByExpirationBefore(expiration: Date?)
-}

core/.gitignore

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

core/src/main/kotlin/com/wbrawner/twigs/model/Category.kt

@@ -7,7 +7,7 @@ data class Category(
     var title: String = "",
     var description: String? = null,
     var amount: Long = 0L,
-    var budget: Budget? = null,
+    var budgetId: String? = null,
     var expense: Boolean = true,
     var archived: Boolean = false
 )

core/src/main/kotlin/com/wbrawner/twigs/model/User.kt

@@ -30,6 +30,10 @@ enum class Permission {
      */
     OWNER;
 
+    fun isAtLeast(wanted: Permission): Boolean {
+        return ordinal >= wanted.ordinal
+    }
+
     fun isNotAtLeast(wanted: Permission): Boolean {
         return ordinal < wanted.ordinal
     }

storage/.gitignore

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

storage/src/main/kotlin/com/wbrawner/twigs/storage/CategoryRepository.kt

@@ -0,0 +1,12 @@
+package com.wbrawner.twigs.storage
+
+import com.wbrawner.twigs.model.Category
+
+interface CategoryRepository : Repository<Category> {
+    fun findAll(
+        ids: List<String>? = null,
+        budgetIds: List<String>? = null,
+        expense: Boolean? = null,
+        archived: Boolean? = null
+    ): List<Category>
+}

storage/src/main/kotlin/com/wbrawner/twigs/storage/PermissionRepository.kt

@@ -3,6 +3,8 @@ package com.wbrawner.twigs.storage
 import com.wbrawner.twigs.model.UserPermission
 
 interface PermissionRepository : Repository<UserPermission> {
-    fun findAllByBudgetId(budgetId: String): List<UserPermission>
+    fun findAll(
-    fun findAllByUserId(userId: String): List<UserPermission>
+        budgetIds: List<String>? = null,
+        userId: String? = null
+    ): List<UserPermission>
 }