Create post policy, update typescript config

Author: codeazq

package.json

@@ -30,7 +30,7 @@
       "@types/bcrypt": "^5.0.0",
       "@types/express": "^4.17.13",
       "@types/jsonwebtoken": "^8.5.5",
-      "@types/node": "^8.0.29",
+      "@types/node": "^8.10.66",
       "@types/passport": "^1.0.7",
       "@types/passport-jwt": "^3.0.6",
       "nodemon": "^2.0.12",

src/controllers/authController.ts

@@ -15,7 +15,7 @@ export default class AuthController {
     }
 
     public async register(req: Request, res: Response, next: NextFunction) {
-        // check if userName is already registered
+        // check if name is already registered
         const token = await this.authService.register(req.body as IAuthUserInputDTO)
         res.status(200).send(token);
     }

src/policies/Post.ts

@@ -0,0 +1,44 @@
+import PostService from "../services/post"
+import UserService from "../services/user"
+import { myContainer } from "../inversify.config"
+import { injectable } from "inversify"
+
+@injectable()
+export default class PostPolicy { 
+    public postService: PostService
+
+    public userService: UserService
+
+    constructor() {
+        this.postService = myContainer.resolve<PostService>(PostService);
+        this.userService = myContainer.resolve<UserService>(UserService);
+    }
+
+    public async update(userId: number, postId: number): Promise<any> {
+        const user = await this.userService.find(userId);
+        const post = await this.postService.find(postId);
+        const ownership: boolean = (user.id === post.user_id)
+        console.log(`ownership: ${ownership}`)
+        // console.log("good")
+        return new Promise((resolve, reject) => {
+            if (ownership) {
+                resolve(ownership);
+            } else {
+                reject({message: "User does not own this post"});
+            }
+        })
+    }
+
+    public async delete(userId: number, postId: number): Promise<any> {
+        const user = await this.userService.find(userId);
+        const post = await this.postService.find(postId);
+        const ownership: boolean = (user.id === post.user_id)
+        return new Promise((resolve, reject) => {
+            if (ownership) {
+                resolve(ownership);
+            } else {
+                reject({message: "User does not own this post"});
+            }
+        })
+    }
+}

tsconfig.json

@@ -3,7 +3,7 @@
       "lib": [
          "es2020"
       ],
-      "types": ["reflect-metadata"],
+      "types": ["reflect-metadata", "node"],
       "target": "es2017",
       "module": "commonjs",
       "moduleResolution": "node",