Finish transaction persistence with basic CRUD ops

.gitignore

@@ -37,3 +37,4 @@ testem.log
 # System Files
 .DS_Store
 Thumbs.db
+*.swp

package-lock.json

@@ -2508,6 +2508,11 @@
       "integrity": "sha1-ogM8CcyOFY03dI+951B4Mr1s4Sc=",
       "dev": true
     },
+    "dexie": {
+      "version": "2.0.4",
+      "resolved": "https://registry.npmjs.org/dexie/-/dexie-2.0.4.tgz",
+      "integrity": "sha512-aQ/s1U2wHxwBKRrt2Z/mwFNHMQWhESerFsMYzE+5P5OsIe5o1kgpFMWkzKTtkvkyyEni6mWr/T4HUJuY9xIHLA=="
+    },
     "di": {
       "version": "0.0.1",
       "resolved": "https://registry.npmjs.org/di/-/di-0.0.1.tgz",

package.json

@@ -23,6 +23,7 @@
     "@angular/platform-browser-dynamic": "^6.1.0",
     "@angular/router": "^6.1.0",
     "core-js": "^2.5.4",
+    "dexie": "^2.0.4",
     "hammerjs": "^2.0.8",
     "rxjs": "^6.0.0",
     "zone.js": "~0.8.26"

src/app/add-edit-transaction/add-edit-transaction.component.css

@@ -0,0 +1,12 @@
+.transaction-form {
+  padding: 1em;
+  color: #F1F1F1;
+}
+
+.transaction-form * {
+  display: block;
+}
+
+mat-radio-button {
+  padding-bottom: 15px;
+}

src/app/add-edit-transaction/add-edit-transaction.component.html

@@ -0,0 +1,39 @@
+<mat-toolbar>
+  <span>
+    <a (click)="goBack()">
+      <mat-icon>arrow_back</mat-icon>
+    </a>
+  </span>
+  <span>
+    {{ title }}
+  </span>
+  <span class="action-item">
+    <a (click)="save()">Save</a>
+  </span>
+</mat-toolbar>
+<div *ngIf="!currentTransaction">
+  <p>Select a transaction from the list to view details about it or edit it.</p>
+</div>
+<div *ngIf="currentTransaction" class="transaction-form">
+  <mat-form-field>
+    <input matInput [(ngModel)]="currentTransaction.title" placeholder="Name" required>
+  </mat-form-field>
+  <mat-form-field>
+    <textarea matInput [(ngModel)]="currentTransaction.description" placeholder="Description"></textarea>
+  </mat-form-field>
+  <mat-form-field>
+    <input matInput type="number" [(ngModel)]="currentTransaction.amount" placeholder="Amount" required>
+  </mat-form-field>
+  <mat-form-field>
+    <input matInput type="date" [(ngModel)]="currentTransaction.date" placeholder="Date" required>
+    <!--
+      <input matInput [matDatePicker]="transactionDatePicker" [(ngModel)]="currentTransaction.date" placeholder="Date" required>
+      <mat-datepicker #transactionDatePicker></mat-datepicker>
+    -->
+  </mat-form-field>
+  <mat-radio-group [(ngModel)]="currentTransaction.type">
+    <mat-radio-button [value]="transactionType.EXPENSE">Expense</mat-radio-button>
+    <mat-radio-button [value]="transactionType.INCOME">Income</mat-radio-button>
+  </mat-radio-group>
+  <button mat-button *ngIf="currentTransaction.id" (click)="delete()">Delete</button>
+</div>

src/app/add-edit-transaction/add-edit-transaction.component.spec.ts

@@ -0,0 +1,25 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { AddEditTransactionComponent } from './add-edit-transaction.component';
+
+describe('AddEditTransactionComponent', () => {
+  let component: AddEditTransactionComponent;
+  let fixture: ComponentFixture<AddEditTransactionComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [ AddEditTransactionComponent ]
+    })
+    .compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(AddEditTransactionComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});

src/app/add-edit-transaction/add-edit-transaction.component.ts

@@ -0,0 +1,45 @@
+import { Component, OnInit, Input } from '@angular/core';
+import { Transaction } from '../transaction' 
+import { TransactionType } from '../transaction.type'
+import { TransactionService } from '../transaction.service'
+import { Location } from '@angular/common';
+
+@Component({
+  selector: 'app-add-edit-transaction',
+  templateUrl: './add-edit-transaction.component.html',
+  styleUrls: ['./add-edit-transaction.component.css']
+})
+export class AddEditTransactionComponent implements OnInit {
+
+  @Input() title: string;
+  @Input() currentTransaction: Transaction;
+  public transactionType = TransactionType;
+
+  constructor(
+    private transactionService: TransactionService,
+    private location: Location
+  ) { }
+
+  ngOnInit() {
+  }
+
+  goBack(): void {
+    this.location.back()
+  }
+
+  save(): void {
+    if (this.currentTransaction.id) {
+      // This is an existing transaction, update it
+      this.transactionService.updateTransaction(this.currentTransaction);
+    } else {
+      // This is a new transaction, save it
+      this.transactionService.saveTransaction(this.currentTransaction);
+    }
+    this.goBack()
+  }
+
+  delete(): void {
+    this.transactionService.deleteTransaction(this.currentTransaction);
+    this.goBack()
+  }
+}

src/app/app.module.ts

@@ -18,13 +18,15 @@ import { TransactionsComponent } from './transactions/transactions.component';
 import { AppRoutingModule } from './app-routing.module';
 import { TransactionDetailsComponent } from './transaction-details/transaction-details.component';
 import { NewTransactionComponent } from './new-transaction/new-transaction.component';
+import { AddEditTransactionComponent } from './add-edit-transaction/add-edit-transaction.component';
 
 @NgModule({
   declarations: [
     AppComponent,
     TransactionsComponent,
     TransactionDetailsComponent,
-    NewTransactionComponent
+    NewTransactionComponent,
+    AddEditTransactionComponent
   ],
   imports: [
     BrowserModule,

src/app/budget-database.ts

@@ -0,0 +1,37 @@
+import Dexie from 'dexie';
+import { TransactionType } from './transaction.type';
+import { Category } from './category'
+import { Transaction } from './transaction'
+
+export class BudgetDatabase extends Dexie {
+  transactions: Dexie.Table<ITransaction, number>;
+  categories: Dexie.Table<ICategory, number>;
+
+  constructor () {
+    super('BudgetDatabase')
+    this.version(1).stores({
+      transactions: `++id, title, description, amount, date, category, type`,
+      categories: `++id, name, amount, repeat, color`
+    })
+    this.transactions.mapToClass(Transaction)
+    this.categories.mapToClass(Category)
+  }
+}
+
+export interface ITransaction {
+  id: number;
+  title: string;
+  description: string;
+  amount: number;
+  date: Date;
+  category: ICategory;
+  type: TransactionType;
+}
+
+export interface ICategory{
+  id: number;
+  name: string;
+  amount: number;
+  repeat: string;
+  color: string;
+}

src/app/category.ts

@@ -0,0 +1,9 @@
+import { ICategory } from './budget-database'
+
+export class Category implements ICategory {
+  id: number;
+  name: string;
+  amount: number;
+  repeat: string;
+  color: string;
+}

src/app/new-transaction/new-transaction.component.html

@@ -1,34 +1 @@
-<mat-toolbar>
-  <span>
-    <button (click)="goBack()">
-      <mat-icon>arrow_back</mat-icon>
-    </button>
-    Add Transaction
-  </span>
-  <span>
-    <a (click)="save()">Save</a>
-  </span>
-</mat-toolbar>
-<div class="transaction-form">
-  <mat-form-field>
-    <input matInput [(ngModel)]="transaction.title" placeholder="Name" required>
-  </mat-form-field>
-  <mat-form-field>
-    <textarea matInput [(ngModel)]="transaction.description" placeholder="Description"></textarea>
-  </mat-form-field>
-  <mat-form-field>
-    <input matInput type="number" [(ngModel)]="transaction.amount" placeholder="Amount" required>
-  </mat-form-field>
-    <mat-form-field>
-    <input matInput type="date" [(ngModel)]="transaction.date" placeholder="Date" required>
-  <!--
-    <input matInput [matDatePicker]="transactionDatePicker" [(ngModel)]="transaction.date" placeholder="Date" required>
-    <mat-datepicker #transactionDatePicker></mat-datepicker>
-  -->
-    </mat-form-field>
-  <mat-radio-group [(ngModel)]="transaction.type">
-    <mat-radio-button [value]="transactionType.EXPENSE">Expense</mat-radio-button>
-    <mat-radio-button [value]="transactionType.INCOME">Income</mat-radio-button>
-  </mat-radio-group>
-
-</div>
+<app-add-edit-transaction [title]="'Add Transaction'" [currentTransaction]="transaction"></app-add-edit-transaction>

src/app/new-transaction/new-transaction.component.ts

@@ -1,8 +1,5 @@
 import { Component, OnInit } from '@angular/core';
-import { TransactionService } from '../transaction.service'
 import { Transaction } from '../transaction'
-import { TransactionType } from '../transaction.type'
-import { Location } from '@angular/common';
 
 @Component({
   selector: 'app-new-transaction',
@@ -11,19 +8,12 @@ import { Location } from '@angular/common';
 })
 export class NewTransactionComponent implements OnInit {
 
-  public transaction = new Transaction()
-  public transactionType = TransactionType;
+  transaction: Transaction;
 
-  constructor(
-    private transactionService: TransactionService,
-    private location: Location
-  ) { }
+  constructor() { }
 
   ngOnInit() {
+    this.transaction = new Transaction()
   }
 
-  save(): void {
-    this.transactionService.saveTransaction(this.transaction);
-    this.location.back()
-  }
 }

src/app/transaction-details/transaction-details.component.html

@@ -1,8 +1 @@
-<div *ngIf="transaction; then transactionBlock else noTransactionBlock">
-</div>
-<ng-template #transactionBlock>
-  transaction-details works!
-</ng-template>
-<ng-template #noTransactionBlock>
-  transaction-details works!
-</ng-template>
+<app-add-edit-transaction [title]="'Edit Transaction'" [currentTransaction]="transaction"></app-add-edit-transaction>

src/app/transaction-details/transaction-details.component.ts

@@ -1,4 +1,6 @@
-import { Component, OnInit } from '@angular/core';
+import { Component, OnInit, Input } from '@angular/core';
+import { TransactionService } from '../transaction.service'
+import { ActivatedRoute } from '@angular/router';
 import { Transaction } from '../transaction' 
 
 @Component({
@@ -8,11 +10,20 @@ import { Transaction } from '../transaction'
 })
 export class TransactionDetailsComponent implements OnInit {
 
-  public transaction: Transaction;
+  transaction: Transaction;
 
-  constructor() { }
+  constructor(
+    private route: ActivatedRoute,
+    private transactionService: TransactionService
+  ) { }
 
   ngOnInit() {
+    this.getTransaction()
   }
 
+  getTransaction(): void {
+    const id = +this.route.snapshot.paramMap.get('id')
+    this.transactionService.getTransaction(id)
+      .subscribe(transaction => this.transaction = transaction)
+  }
 }

src/app/transaction.service.ts

@@ -1,41 +1,39 @@
 import { Injectable } from '@angular/core';
-import { of, Observable } from 'rxjs';
+import { of, Observable, from } from 'rxjs';
 import { Transaction } from './transaction';
 import { TransactionType } from './transaction.type';
+import { BudgetDatabase } from './budget-database';
 
 @Injectable({
   providedIn: 'root'
 })
 export class TransactionService {
-  transactions: Transaction[] = [
-    {id: 0, amount: Math.random() * 100, date: new Date(), description: "Spent some money", title: "An Expense", type: TransactionType.EXPENSE, categoryId: 0},
-    {id: 0, amount: Math.random() * 100, date: new Date(), description: "Earned some money", title: "Some Income", type: TransactionType.INCOME, categoryId: 0},
-    {id: 0, amount: Math.random() * 100, date: new Date(), description: "Spent some money", title: "An Expense", type: TransactionType.EXPENSE, categoryId: 0},
-    {id: 0, amount: Math.random() * 100, date: new Date(), description: "Earned some money", title: "Some Income", type: TransactionType.INCOME, categoryId: 0},
-    {id: 0, amount: Math.random() * 100, date: new Date(), description: "Spent some money", title: "An Expense", type: TransactionType.EXPENSE, categoryId: 0},
-    {id: 0, amount: Math.random() * 100, date: new Date(), description: "Earned some money", title: "Some Income", type: TransactionType.INCOME, categoryId: 0},
-    {id: 0, amount: Math.random() * 100, date: new Date(), description: "Spent some money", title: "An Expense", type: TransactionType.EXPENSE, categoryId: 0},
-    {id: 0, amount: Math.random() * 100, date: new Date(), description: "Earned some money", title: "Some Income", type: TransactionType.INCOME, categoryId: 0},
-    {id: 0, amount: Math.random() * 100, date: new Date(), description: "Spent some money", title: "An Expense", type: TransactionType.EXPENSE, categoryId: 0},
-    {id: 0, amount: Math.random() * 100, date: new Date(), description: "Earned some money", title: "Some Income", type: TransactionType.INCOME, categoryId: 0},
-  ]
 
-  constructor() { }
+  db: BudgetDatabase;
+
+  constructor() { 
+    this.db = new BudgetDatabase();
+  }
 
   getTransactions(): Observable<Transaction[]> {
-    return of(this.transactions)
+    return from(this.db.transactions.toCollection().toArray())
+  }
+
+  getTransaction(id: number): Observable<Transaction> {
+    return from(this.db.transactions.where('id').equals(id).first())
   }
 
   saveTransaction(transaction: Transaction): Observable<Transaction> {
-    // TODO: Replace this with a DB save method
-    var newId = 0;
-    for (let transaction of this.transactions) {
-      if (transaction.id > newId) {
-        newId = transaction.id + 1;
-      }
-    }
-    transaction.id = newId;
-    this.transactions.push(transaction)
+    this.db.transactions.put(transaction)
     return of(transaction)
   }
+
+  updateTransaction(transaction: Transaction): Observable<any> {
+    this.db.transactions.update(transaction.id, transaction)
+    return of([])
+  }
+
+  deleteTransaction(transaction: Transaction): Observable<any> {
+    return from(this.db.transactions.delete(transaction.id))
+  }
 }

src/app/transaction.ts

@@ -1,11 +1,13 @@
+import { ITransaction } from './budget-database'
+import { ICategory } from './budget-database'
 import { TransactionType } from './transaction.type';
 
-export class Transaction {
+export class Transaction implements ITransaction {
     id: number;
     title: string;
     description: string;
     amount: number;
     date: Date = new Date();
-    categoryId: number;
+    category: ICategory;
     type: TransactionType = TransactionType.EXPENSE;
 }

src/app/transactions/transactions.component.css

@@ -1,5 +1,5 @@
-p {
-    margin: 0;
+mat-toolbar {
+  justify-content: center;
 }
 
 .amount.income {
@@ -15,8 +15,3 @@ p {
     justify-content: space-between;
 }
 
-a.mat-fab {
-    position: fixed;
-    right: 2em;
-    bottom: 2em;
-}

src/app/transactions/transactions.component.html

@@ -1,14 +1,14 @@
 <mat-toolbar>Transactions</mat-toolbar>
-  <mat-list *ngIf="transactions" class="transactions">
-    <mat-list-item *ngFor="let transaction of transactions">
+<mat-nav-list *ngIf="transactions" class="transactions">
+  <a mat-list-item *ngFor="let transaction of transactions" routerLink="/transactions/{{ transaction.id }}">
     <div matLine class="list-row-one">
       <p>{{transaction.title}}</p>
       <p class="amount" [class.expense]="transaction.type === transactionType.EXPENSE" [class.income]="transaction.type === transactionType.INCOME">{{
       transaction.amount | currency }}</p>
     </div>
     <p matLine class="text-small">{{ transaction.date | date }}</p>
-    </mat-list-item>
-  </mat-list>
+  </a>
+</mat-nav-list>
 <a mat-fab routerLink="/transactions/new">
   <mat-icon aria-label="Add">add</mat-icon>
 </a>

src/styles.css

@@ -6,6 +6,16 @@ html, body {
   padding: 0;
 }
 
+p {
+  margin: 0;
+}
+
+a.mat-fab {
+  position: fixed;
+  right: 2em;
+  bottom: 2em;
+}
+
 .text-small {
   font-size: 1em;
   color: #BDBDBD
@@ -13,22 +23,21 @@ html, body {
 
 .mat-toolbar {
   box-shadow: 0px 3px 3px 1px #212121;
+  display: flex;
+  justify-content: space-between;
 }
 
-/* .page-title {
-    background: #333333;
-    color: #F1f1f1;
-    position: fixed;
-    left: 0;
-    top: 0;
-    right: 0;
-    z-index: 99;
-    padding: 1em;
+mat-toolbar mat-icon {
+  vertical-align: middle;
+  cursor: pointer;
 }
 
-.page-title h1 {
-    margin: 0;
+mat-toolbar .action-item {
+  font-weight: normal;
+  cursor: pointer;
+  font-size: 0.9em;
+}
+
+mat-toolbar .action-item a {
+  vertical-align: middle;
 }
-.content {
-    padding-top: 68px;
-} */