first commit

src/app/_api/todo/todo.service.spec.ts

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+import { TestBed } from '@angular/core/testing';
+
+import { TodoService } from './todo.service';
+
+describe('TodoService', () => {
+  beforeEach(() => TestBed.configureTestingModule({}));
+
+  it('should be created', () => {
+    const service: TodoService = TestBed.get(TodoService);
+    expect(service).toBeTruthy();
+  });
+});

src/app/_api/todo/todo.service.ts

@@ -0,0 +1,53 @@
+import { Injectable } from '@angular/core';
+import { AngularFirestore } from '@angular/fire/compat/firestore';
+import firebase from 'firebase/compat/app';
+import { Observable } from 'rxjs';
+
+@Injectable({
+  providedIn: 'root'
+})
+export class TodoService {
+
+  formData;
+  loggedInUser = JSON.parse(localStorage.getItem('currentUser'));
+  ref = firebase.firestore().collection('todo');
+
+  constructor(private firestore: AngularFirestore) {
+  }
+
+  getTODOS(userId) {
+    return this.firestore.collection('todo', ref => ref.orderBy('createdDate', 'desc')
+    .where('uid', '==', userId)).snapshotChanges();
+  }
+
+  getAssignedTODOS(userId) {
+    return this.firestore.collection('todo', ref => ref.orderBy('createdDate', 'desc')
+      .where('assignedTo.uid', '==', userId)).snapshotChanges();
+  }
+
+  createTodo(todo): Observable<any> {
+    return new Observable((observer) => {
+      this.ref.add(todo).then((doc) => {
+        observer.next({
+          data: doc
+        });
+      });
+    });
+  }
+  sendMessage(todoId, data) {
+    return this.firestore.collection('todo').doc(todoId).update({
+      todoComments: data
+    });
+  }
+  updateTODO(id: string, data): Observable<any> {
+    return new Observable((observer) => {
+      this.ref.doc(id).set(data).then(() => {
+        observer.next();
+      });
+    });
+  }
+
+  deleteTodo(id: string): Promise<void> {
+      return this.ref.doc(id).delete();
+  }
+}