调整后端

app/app-detail.component.ts

 import {Component, OnInit} from '@angular/core';
-import App from '../models/app';
 import {AppService} from './app.service';
 import {ActivatedRoute, Params} from '@angular/router';
 import 'rxjs/Rx';
 import {MdIconRegistry} from '@angular/material';
 import {DomSanitizer} from '@angular/platform-browser';
+import {App} from '../models/app';
 
 @Component({
     selector: 'app-detail',

app/app.service.ts

 import {Injectable} from '@angular/core';
-import App from '../models/app';
 import {Http} from '@angular/http';
 import 'rxjs/add/operator/toPromise';
+import {App} from '../models/app';
 /**
  * Created by weijian on 2016/12/30.
  */

app/apps.component.ts

 import {Component, OnInit} from '@angular/core';
-import App from '../models/app';
 import {AppService} from './app.service';
+import {App} from '../models/app';
 
 @Component({
     selector: 'apps',

db/decorators.ts

-import * as Mongorito from 'mongorito';
-import Model = Mongorito.Model;
-
 /**
  * Created by weijian on 2016/12/30.
  */
 
 
-export function field(target: Model, propertyKey: string): any {
+export function field(target: any, propertyKey: string): any {
     return {
         get (): any {
             return this.get(propertyKey);

koa/errors.ts

@@ -14,5 +14,10 @@ export class NotFound extends KoaError {
         super(msg, 404);
     }
 }
+export class BadRequest extends KoaError {
+    constructor(msg = STATUS_CODES[400]) {
+        super(msg, 400);
+    }
+}
 export const InternalError = new KoaError(STATUS_CODES[500], 500);
 

models/app.ts

@@ -2,13 +2,14 @@ import 'reflect-metadata';
 import * as Mongorito from 'mongorito';
 import Model = Mongorito.Model;
 import {field} from '../db/decorators';
+import {ModelExistsError} from './errors';
 /**
  * Created by weijian on 2016/12/28.
  */
 interface I18n<T> {
     [locale: string]: T;
 }
-class App extends Model {
+export class App extends Model {
     @field
     id: string;
     @field
@@ -23,6 +24,17 @@ class App extends Model {
     conference?: string;
     @field
     data: any;
+
+    async checkExists() {
+        let app = await App.findOne({id: this.id});
+        if (app) {
+            throw new ModelExistsError(this.id);
+        }
+    }
+
+    configure() {
+        this.before('create', this.checkExists);
+    }
 }
 
-export default App;
+

models/errors.ts

+/**
+ * Created by weijian on 2017/1/4.
+ */
+class ModelError extends Error {
+    constructor(msg: string) {
+        super(msg);
+    }
+}
+
+export class ModelExistsError extends Error {
+    constructor(id: string) {
+        super(`App ${id} already exists`);
+    }
+}

node_modules/@types/mongorito/index.d.ts

@@ -7,30 +7,151 @@ import * as mongodb from "mongodb";
 declare module Mongorito {
     function connect(url: string): Promise<mongodb.Db>
 
+    function setDriver(driver: any);
+
+    function getDriver(): any;
+
+    interface Options {
+        [skip: string]: string|string[];
+    }
 
     class Model {
         constructor(o: any, options?: Object);
 
-        save(options?: any): Promise<any>;
+        get(key: string): any;
 
-        create(options?: any): Promise<any>;
+        set(key: string, value: Object);
 
-        update(options?: any): Promise<any>;
+        unset(key: string);
 
-        remove(options?: any): Promise<any>;
+        toJSON();
 
-        static remove(query: Object): Promise<any>;
+        before(action: string, method: Function);
+        before(action: string, method: Function[]);
+        before(action: string, method: string);
+        before(action: string, method: string[]);
+
+        after(action: string, method: Function);
+        after(action: string, method: Function[]);
+        after(action: string, method: string);
+        after(action: string, method: string[]);
+
+        around(action: string, method: Function);
+        around(action: string, method: Function[]);
+        around(action: string, method: string);
+        around(action: string, method: string[]);
+
+        /**
+         * Configure model (usually, set hooks here)
+         * Supposed to be overriden
+         *
+         * @api public
+         */
+        configure();
+
+        /**
+         * Save a model
+         *
+         * @param {Object} options - options for save operation
+         * @api public
+         */
+        save(options?: Options): Promise<any>;
+
+        /**
+         * Create a model
+         *
+         * @api private
+         */
+
+        create(options?: Options): Promise<any>;
 
+        update(options?: Options): Promise<any>;
+
+        remove(options?: Options): Promise<any>;
+
+        /**
+         * Atomically increment a model property
+         *
+         * @param {Object} props - set of properties and values
+         * @param {Object} options - options for update operation
+         * @api public
+         */
+
+        inc(props: Object, options: Options);
+
+
+        /**
+         * Find documents
+         *
+         * @param {Object} query - find conditions, same as this.where()
+         * @api public
+         */
         static find(query: Object): Promise<any[]>;
 
+        /**
+         * Count documents
+         *
+         * @param {Object} query - find conditions, same as this.where()
+         * @api public
+         */
         static count(query: Object): Promise<any>;
 
+        /**
+         * Get distinct
+         *
+         * @param {String} field for distinct
+         * @param {Object} query - query to filter the results
+         * @see http://mongodb.github.io/node-mongodb-native/2.0/api/Collection.html#distinct
+         * @api public
+         */
+        static distinct(filed: string, query?: Object): Promise<any>;
+
+        /**
+         * Aggregation query
+         *
+         * @param {String} pipeline aggregation pipeline
+         * @param {Object} options - Options to be passed to aggregation pipeline
+         * @see http://mongodb.github.io/node-mongodb-native/2.0/api/Collection.html#distinct
+         * @api public
+         */
+        static aggregate(pipeline: Object[]): Promise<any>;
+
+        /**
+         * Find all documents in a collection
+         *
+         * @api public
+         */
         static all(): Promise<any[]>
 
+        /**
+         * Find one document
+         *
+         * @param {Object} query - find conditions, same as this.where()
+         * @api public
+         */
         static findOne(query: Object): Promise<any>;
 
+        /**
+         * Find a document by ID
+         *
+         * @param {ObjectID} id - document id
+         * @api public
+         */
         static findById(id: string): Promise<any>;
 
+        /**
+         * Remove documents
+         *
+         * @param {Object} query - remove conditions, same as this.where()
+         * @api public
+         */
+        static remove(query: Object): Promise<any>;
+
+        /**
+         * Drop collection
+         *
+         * @api public
+         */
         static drop(): Promise<any>;
 
     }

npm-debug.log

+0 info it worked if it ends with ok
+1 verbose cli [ 'C:\\Program Files\\nodejs\\node.exe',
+1 verbose cli   'C:\\Program Files\\nodejs\\node_modules\\npm\\bin\\npm-cli.js',
+1 verbose cli   'run',
+1 verbose cli   'start' ]
+2 info using npm@3.10.10
+3 info using node@v7.3.0
+4 verbose run-script [ 'prestart', 'start', 'poststart' ]
+5 info lifecycle mycard-console@1.0.0~prestart: mycard-console@1.0.0
+6 silly lifecycle mycard-console@1.0.0~prestart: no script for prestart, continuing
+7 info lifecycle mycard-console@1.0.0~start: mycard-console@1.0.0
+8 verbose lifecycle mycard-console@1.0.0~start: unsafe-perm in lifecycle true
+9 verbose lifecycle mycard-console@1.0.0~start: PATH: C:\Program Files\nodejs\node_modules\npm\bin\node-gyp-bin;D:\Github\mycard-console\node_modules\.bin;C:\Program Files\Docker\Docker\Resources\bin;C:\ProgramData\Oracle\Java\javapath;C:\Python27\;C:\Python27\Scripts;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Program Files (x86)\NVIDIA Corporation\PhysX\Common;C:\Users\weijian\.dnx\bin;C:\Program Files\Microsoft DNX\Dnvm\;C:\Program Files\Microsoft SQL Server\130\Tools\Binn\;C:\Program Files\Git\cmd;C:\Go\bin;C:\Program Files\TortoiseSVN\bin;C:\Program Files (x86)\GtkSharp\2.12\bin;C:\Program Files (x86)\Windows Kits\10\Windows Performance Toolkit\;C:\Program Files (x86)\Microsoft Emulator Manager\1.0\;C:\Program Files\nodejs\;C:\Program Files\OpenVPN\bin;C:\Users\weijian\AppData\Local\Microsoft\WindowsApps;D:\msys;C:\Program Files (x86)\Microsoft VS Code\bin;C:\Users\weijian\AppData\Local\atom\bin;C:\Program Files\CMake\bin;C:\Users\weijian\AppData\Roaming\npm
+10 verbose lifecycle mycard-console@1.0.0~start: CWD: D:\Github\mycard-console
+11 silly lifecycle mycard-console@1.0.0~start: Args: [ '/d /s /c',
+11 silly lifecycle   'tsc && concurrently "node server.js" "lite-server"' ]
+12 silly lifecycle mycard-console@1.0.0~start: Returned: code: 2  signal: null
+13 info lifecycle mycard-console@1.0.0~start: Failed to exec start script
+14 verbose stack Error: mycard-console@1.0.0 start: `tsc && concurrently "node server.js" "lite-server"`
+14 verbose stack Exit status 2
+14 verbose stack     at EventEmitter.<anonymous> (C:\Program Files\nodejs\node_modules\npm\lib\utils\lifecycle.js:255:16)
+14 verbose stack     at emitTwo (events.js:106:13)
+14 verbose stack     at EventEmitter.emit (events.js:191:7)
+14 verbose stack     at ChildProcess.<anonymous> (C:\Program Files\nodejs\node_modules\npm\lib\utils\spawn.js:40:14)
+14 verbose stack     at emitTwo (events.js:106:13)
+14 verbose stack     at ChildProcess.emit (events.js:191:7)
+14 verbose stack     at maybeClose (internal/child_process.js:885:16)
+14 verbose stack     at Process.ChildProcess._handle.onexit (internal/child_process.js:226:5)
+15 verbose pkgid mycard-console@1.0.0
+16 verbose cwd D:\Github\mycard-console
+17 error Windows_NT 10.0.14393
+18 error argv "C:\\Program Files\\nodejs\\node.exe" "C:\\Program Files\\nodejs\\node_modules\\npm\\bin\\npm-cli.js" "run" "start"
+19 error node v7.3.0
+20 error npm  v3.10.10
+21 error code ELIFECYCLE
+22 error mycard-console@1.0.0 start: `tsc && concurrently "node server.js" "lite-server"`
+22 error Exit status 2
+23 error Failed at the mycard-console@1.0.0 start script 'tsc && concurrently "node server.js" "lite-server"'.
+23 error Make sure you have the latest version of node.js and npm installed.
+23 error If you do, this is most likely a problem with the mycard-console package,
+23 error not with npm itself.
+23 error Tell the author that this fails on your system:
+23 error     tsc && concurrently "node server.js" "lite-server"
+23 error You can get information on how to open an issue for this project with:
+23 error     npm bugs mycard-console
+23 error Or if that isn't available, you can get their info via:
+23 error     npm owner ls mycard-console
+23 error There is likely additional logging output above.
+24 verbose exit [ 1, true ]

routes/apps.ts

@@ -2,13 +2,14 @@
  * Created by weijian on 2016/12/28.
  */
 import Router = require('koa-router');
-import App from '../models/app';
-import {NotFound} from '../koa/errors';
+import {NotFound, BadRequest, InternalError} from '../koa/errors';
 import {Model} from '../db/mongo';
+import {App} from '../models/app';
+import {ModelExistsError} from '../models/errors';
 const router = new Router();
 
 router.get('/apps', async(ctx, next) => {
-    ctx.body = await App.find({});
+    ctx.body = await App.all();
 });
 
 router.get('/apps/:id', async(ctx, next) => {
@@ -22,7 +23,15 @@ router.get('/apps/:id', async(ctx, next) => {
 
 router.post('/apps/:id', async(ctx, next) => {
     let app = new App(ctx.request.body);
-    ctx.body = await app.save();
+    try {
+        ctx.body = await app.save();
+    } catch (e) {
+        if (e instanceof ModelExistsError) {
+            throw new BadRequest();
+        } else {
+            throw InternalError;
+        }
+    }
 });
 
 router.patch('/apps/:id', async(ctx, next) => {