WIP: Implement add transaction page

src/app/app-routing.module.ts

@@ -1,10 +1,14 @@
 import { NgModule } from '@angular/core';
 import { RouterModule, Routes } from '@angular/router';
 import { TransactionsComponent } from './transactions/transactions.component';
+import { TransactionDetailsComponent } from './transaction-details/transaction-details.component';
+import { NewTransactionComponent } from './new-transaction/new-transaction.component';
 
 const routes: Routes = [
   { path: '', redirectTo: '/transactions', pathMatch: 'full' },
   { path: 'transactions', component: TransactionsComponent },
+  { path: 'transactions/new', component: NewTransactionComponent },
+  { path: 'transactions/:id', component: TransactionDetailsComponent },
 ]
 
 @NgModule({

src/app/app.module.ts

@@ -1,25 +1,44 @@
 import { BrowserModule } from '@angular/platform-browser';
 import { NgModule } from '@angular/core';
+import { FormsModule } from '@angular/forms';
 import { BrowserAnimationsModule } from '@angular/platform-browser/animations';
-import {MatButtonModule, MatIconModule, MatListModule, MatToolbarModule} from '@angular/material';
+import {
+  MatButtonModule, 
+  MatDatepickerModule,  
+  MatFormFieldModule, 
+  MatIconModule, 
+  MatInputModule,
+  MatListModule, 
+  MatRadioModule,
+  MatToolbarModule, 
+} from '@angular/material';
 
 import { AppComponent } from './app.component';
 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';
 
 @NgModule({
   declarations: [
     AppComponent,
-    TransactionsComponent
+    TransactionsComponent,
+    TransactionDetailsComponent,
+    NewTransactionComponent
   ],
   imports: [
     BrowserModule,
     BrowserAnimationsModule,
     MatButtonModule,
+    MatFormFieldModule,
+    MatDatepickerModule,
     MatIconModule,
+    MatInputModule,
     MatListModule,
+    MatRadioModule,
     MatToolbarModule,
-    AppRoutingModule
+    AppRoutingModule,
+    FormsModule
   ],
   providers: [],
   bootstrap: [AppComponent]

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

@@ -0,0 +1,34 @@
+<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>

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

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

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

@@ -0,0 +1,29 @@
+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',
+  templateUrl: './new-transaction.component.html',
+  styleUrls: ['./new-transaction.component.css']
+})
+export class NewTransactionComponent implements OnInit {
+
+  public transaction = new Transaction()
+  public transactionType = TransactionType;
+
+  constructor(
+    private transactionService: TransactionService,
+    private location: Location
+  ) { }
+
+  ngOnInit() {
+  }
+
+  save(): void {
+    this.transactionService.saveTransaction(this.transaction);
+    this.location.back()
+  }
+}

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

@@ -0,0 +1,8 @@
+<div *ngIf="transaction; then transactionBlock else noTransactionBlock">
+</div>
+<ng-template #transactionBlock>
+  transaction-details works!
+</ng-template>
+<ng-template #noTransactionBlock>
+  transaction-details works!
+</ng-template>

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

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

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

@@ -0,0 +1,18 @@
+import { Component, OnInit } from '@angular/core';
+import { Transaction } from '../transaction' 
+
+@Component({
+  selector: 'app-transaction-details',
+  templateUrl: './transaction-details.component.html',
+  styleUrls: ['./transaction-details.component.css']
+})
+export class TransactionDetailsComponent implements OnInit {
+
+  public transaction: Transaction;
+
+  constructor() { }
+
+  ngOnInit() {
+  }
+
+}

src/app/transaction.service.ts

@@ -7,21 +7,35 @@ import { TransactionType } from './transaction.type';
   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() { }
 
   getTransactions(): Observable<Transaction[]> {
-    return of([
-      {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},
-    ])
+    return of(this.transactions)
+  }
+
+  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)
+    return of(transaction)
   }
 }

src/app/transaction.ts

@@ -5,7 +5,7 @@ export class Transaction {
     title: string;
     description: string;
     amount: number;
-    date: Date;
+    date: Date = new Date();
     categoryId: number;
-    type: TransactionType;
+    type: TransactionType = TransactionType.EXPENSE;
 }

src/app/transactions/transactions.component.css

@@ -15,7 +15,7 @@ p {
     justify-content: space-between;
 }
 
-button.mat-fab {
+a.mat-fab {
     position: fixed;
     right: 2em;
     bottom: 2em;

src/app/transactions/transactions.component.html

@@ -9,6 +9,6 @@
       <p matLine class="text-small">{{ transaction.date | date }}</p>
     </mat-list-item>
   </mat-list>
-  <button mat-fab>
+  <a mat-fab routerLink="/transactions/new">
     <mat-icon aria-label="Add">add</mat-icon>
-  </button>
+  </a>