Подскажите, пожалуйста, как правильно отправлять post запросы и правильно записывать в базу mongoDB.
Что-то я делаю не так здесь:
browser error
zone.js:2933 POST http://localhost:3000/tasks 500 (Internal Server Error)
scheduleTask @ zone.js:2933
webpackJsonp.../../../../zone.js/dist/zone.js.ZoneDelegate.scheduleTask @ zone.js:411
onScheduleTask @ zone.js:301
webpackJsonp.../../../../zone.js/dist/zone.js.ZoneDelegate.scheduleTask @ zone.js:405
webpackJsonp.../../../../zone.js/dist/zone.js.Zone.scheduleTask @ zone.js:236
webpackJsonp.../../../../zone.js/dist/zone.js.Zone.scheduleMacroTask @ zone.js:259
(anonymous) @ zone.js:2966
proto.(anonymous function) @ zone.js:1366
(anonymous) @ http.es5.js:1275
webpackJsonp.../../../../rxjs/Observable.js.Observable._trySubscribe @ Observable.js:171
webpackJsonp.../../../../rxjs/Observable.js.Observable.subscribe @ Observable.js:159
webpackJsonp.../../../../rxjs/operator/map.js.MapOperator.call @ map.js:54
webpackJsonp.../../../../rxjs/Observable.js.Observable.subscribe @ Observable.js:156
webpackJsonp.../../../../../src/app/tasks/tasks.component.ts.TasksComponent.addTask @ tasks.component.ts:34
(anonymous) @ TasksComponent.html:1
handleEvent @ core.es5.js:12023
callWithDebugContext @ core.es5.js:13493
debugHandleEvent @ core.es5.js:13081
dispatchEvent @ core.es5.js:8615
(anonymous) @ core.es5.js:9226
(anonymous) @ platform-browser.es5.js:2651
webpackJsonp.../../../../zone.js/dist/zone.js.ZoneDelegate.invokeTask @ zone.js:425
onInvokeTask @ core.es5.js:3881
webpackJsonp.../../../../zone.js/dist/zone.js.ZoneDelegate.invokeTask @ zone.js:424
webpackJsonp.../../../../zone.js/dist/zone.js.Zone.runTask @ zone.js:192
webpackJsonp.../../../../zone.js/dist/zone.js.ZoneTask.invokeTask @ zone.js:499
invokeTask @ zone.js:1540
globalZoneAwareCallback @ zone.js:1566
core.es5.js:1020 ERROR Response {_body: "<!DOCTYPE html>↵<html lang="en">↵<head>↵<meta char…rve-static\index.js:75:16)</pre>↵</body>↵</html>↵", status: 500, ok: false, statusText: "Internal Server Error", headers: Headers, …}
console error
TypeError: Tasks.save is not a function
tasks.js
const express = require('express');
const router = express.Router();
// Mongoose
var Task = require('../models/tasks');
/* GET all tasks */
router.get('/', (req, res) => {
Task.find({}).exec(function(err, data) {
if(err) console.error(err);
res.json(data);
});
});
/* GET One Task */
router.get('/:id', (req, res) => {
var id = req.params.id;
Task.findOne({_id: id}).exec(function(err, data) {
if(err) console.error(err);
res.json(data);
});
});
/* Save Task */
router.post('/', (req, res) => {
var task = req.body;
console.log('task.api');
if(!task.title || !(task.isDone + '')){
res.status(400);
res.json({
'error': 'Bad data'
});
} else {
Task.save(task, function(err, task){
if(err){
res.send(err);
}
res.json(task);
});
}
});
/* Delete One Task */
router.delete('/:id', (req, res) => {
var id = req.params.id;
Task.findOne({_id: id}).exec(function(err, data) {
if(err) console.error(err);
res.json(data);
});
});
/* Update One Task */
router.put('/:id', (req, res) => {
var task = req.body;
var updTask = {};
if(task.isDone){
updTask.isDone = task.isDone;
}
if(task.title){
updTask.title = task.title;
}
if(!updTask){
res.status(400);
res.json({'error':'Bad Data'});
} else {
Task.update({_id: req.params.id}, updTask, {}).exec(function(err, data) {
if(err) console.error(err);
res.json(data);
});
}
});
module.exports = router;
task.service.ts
import { Injectable } from '@angular/core';
import { Http, RequestOptions, Headers } from '@angular/http';
import 'rxjs/add/operator/map';
@Injectable()
export class TaskService {
constructor(private http: Http) {
console.log('Task Service is initialized...');
}
getAllTasks(){
return this.http.get('/tasks')
.map(res => res.json());
}
addTask(task){
console.log('task.service');
var headers = new Headers({ 'Content-Type': 'application/json' }); // ... Set content type to JSON
var options = new RequestOptions({ headers: headers }); // Create a request option
//var headers = new Headers();
//headers.append('Content-Type', 'application/json');
return this.http.post('/tasks',JSON.stringify(task),options)
.map(res => res.json());
}
}
tasks.js
// grab the things we need
var mongoose = require('../MongooseConnect');
var Schema = mongoose.Schema;
// create a schema
var TaskSchema = new Schema({
title: { type: String, required: true },
isDone: { type: String, required: true },
created_at: Date,
updated_at: Date
});
// the schema is useless so far
// we need to create a model using it
var Task = mongoose.model('Task', TaskSchema);
// make this available to our users in our Node applications
module.exports = Task;
mongooseConnect
var mongoose = require('mongoose');
mongoose.Promise = require('bluebird');
var options = {
useMongoClient: true
};
mongoose.connect('mongodb://localhost:27017/tasks', options);
module.exports = mongoose;
Средний
Средний
