Implement POST route for thread

routes/thread.js

@@ -0,0 +1,77 @@
+let express = require('express')
+let router = express.Router()
+
+const Errors = require('../lib/errors.js')
+let { User, Thread, Category } = require('../models')
+
+router.all('*', (req, res, next) => {
+	if(req.session.loggedIn) {
+		next()
+	} else {
+		res.status(401)
+		res.json({
+			errors: Errors.requestNotAuthorized
+		})
+	}
+})
+
+router.post('/', async (req, res) => {
+	try {
+		let validationErrors = []
+
+		if(req.body.name === undefined) {
+			validationErrors.push(Errors.missingParameter('name'))
+		} else if(typeof req.body.name !== 'string') {
+			validationErrors.push(Errors.invalidParameterType('name', 'string'))
+		}
+
+		if(req.body.category === undefined) {
+			validationErrors.push(Errors.missingParameter('category'))
+		} else if(typeof req.body.category !== 'string') {
+			validationErrors.push(Errors.invalidParameterType('category', 'string'))
+		}
+
+		if(validationErrors.length) throw Errors.VALIDATION_ERROR
+
+		let category = await Category.findOne({ where: {
+			name: req.body.category
+		}})
+
+		if(!category) throw Errors.invalidCategory
+
+		let user = await User.findOne({ where: {
+			username: req.session.username	
+		}})
+
+		let thread = await Thread.create({
+			name: req.body.name
+		})
+
+		await thread.setCategory(category)
+		await thread.setUser(user)
+
+		res.json(thread.toJSON())
+
+	} catch (e) {
+		switch (e) {
+			case Errors.VALIDATION_ERROR:
+				res.status(400)
+				res.json({
+					errors: validationErrors
+				})
+				break
+			case Errors.invalidCategory
+				res.status(401)
+				res.json({
+					errors: [Errors.invalidCategory]
+				})
+			default:
+				res.status(500)
+				res.json({
+					errors: [Errors.unknown]
+				}) 
+		}
+	}
+})
+
+module.exports = router