fix bug. can not show user's micropost when not signed in.

Author: akirasosa

src/app/components/home/Feed.ts

@@ -4,7 +4,6 @@ import {ROUTER_DIRECTIVES} from 'angular2/router';
 import {
   MicropostService,
   FeedService,
-  LoginService,
   ErrorHandler
 } from 'app/services';
 import {Micropost} from 'app/interfaces'
@@ -28,7 +27,6 @@ export class Feed {
 
   constructor(private micropostService:MicropostService,
               private feedService:FeedService,
-              private loginService:LoginService,
               private errorHandler:ErrorHandler) {
     this.list();
 
@@ -52,7 +50,7 @@ export class Feed {
   }
 
   isMyPost(post:Micropost):boolean {
-    return post.user.id == this.loginService.currentUser().id
+    return this.micropostService.isMyPost(post);
   }
 
 }

src/app/components/micropost/MicropostList.ts

@@ -10,7 +10,6 @@ import {pagination} from 'ng2-bootstrap/components/pagination/pagination';
 import {
   UserMicropostService,
   MicropostService,
-  LoginService,
   ErrorHandler
 } from 'app/services';
 import {Micropost} from 'app/interfaces';
@@ -38,7 +37,6 @@ export class MicropostList {
 
   constructor(private userMicropostService:UserMicropostService,
               private micropostService:MicropostService,
-              private loginService:LoginService,
               private errorHandler:ErrorHandler) {
   }
 
@@ -70,7 +68,7 @@ export class MicropostList {
   }
 
   isMyPost(post:Micropost):boolean {
-    return post.user.id == this.loginService.currentUser().id
+    return this.micropostService.isMyPost(post);
   }
 
 }

src/app/services/MicropostService.spec.ts

@@ -21,6 +21,8 @@ import {
 
 import {APP_TEST_PROVIDERS} from "app/bindings";
 import {MicropostService} from "app/services";
+import {Micropost} from "../interfaces";
+import {LoginService} from "./LoginService";
 
 export function main() {
   describe('MicropostService', () => {
@@ -62,5 +64,31 @@ export function main() {
       });
     }); // .delete
 
+    describe('.isMyPost', () => {
+      let post:Micropost = {
+        id: 1,
+        content: 'some content',
+        user: {
+          id: 1,
+          email: 'test1@test.com',
+        },
+        createdAt: 0,
+      };
+      let loginService:LoginService;
+      beforeEach(inject([LoginService], _ => loginService = _));
+
+      it('returns false when not signed in', () => {
+        expect(micropostService.isMyPost(post)).toBeFalsy();
+      });
+      it('returns false when not my post', () => {
+        spyOn(loginService, 'currentUser').and.returnValue({id: 2});
+        expect(micropostService.isMyPost(post)).toBeFalsy();
+      });
+      it('returns true when my post', () => {
+        spyOn(loginService, 'currentUser').and.returnValue({id: 1});
+        expect(micropostService.isMyPost(post)).toBeTruthy();
+      });
+    }); // .isMyPost
+
   });
 }

src/app/services/MicropostService.ts

@@ -2,13 +2,16 @@ import {Injectable} from 'angular2/core';
 import {Response} from 'angular2/http';
 
 import {Http} from 'app/http';
+import {Micropost} from 'app/interfaces';
+import {LoginService} from 'app/services';
 
 const url = '/api/microposts';
 
 @Injectable()
 export class MicropostService {
 
-  constructor(private http:Http) {
+  constructor(private http:Http,
+              private loginService:LoginService) {
   }
 
   create(content:string):Rx.Observable<Response> {
@@ -20,4 +23,8 @@ export class MicropostService {
     return this.http.delete(`${url}/${id}`);
   }
 
+  isMyPost(post:Micropost) {
+    if (!this.loginService.currentUser()) return false;
+    return post.user.id == this.loginService.currentUser().id
+  }
 }