code review

api/posts/posts-router.js

@@ -1 +1,143 @@
-// implement your posts router here
+const express = require('express')
+const Post = require('./posts-model')
+const router = express.Router()
+
+router.get('/', (req, res) => {
+    Post.find()
+    .then(post => { 
+        res.json(post)
+    })
+    .catch(err => { 
+        res.status(500).json({
+            message: "The posts information could not be retrieved",
+            err: err.message,
+            stack: err.stack,
+        })
+    })
+})
+
+router.get('/:id', async (req, res) => {
+    const { id } = req.params
+    try { 
+        const post = await Post.findById(id)
+        if (!post) {
+            res.status(404).json({
+                message: "The post with the specified ID does not exist",
+            })
+        } else { 
+            res.status(200).json(post)
+        }
+    } catch (err) { 
+        res.status(500).json({
+            message: "The posts information could not be retrieved",
+            err: err.message,
+            stack: err.stack,
+        })
+    }
+
+})
+
+router.post('/', (req, res) => {
+    const { title, contents} = req.body
+    if (!title || !contents) {
+        res.status(400).json({
+            message: "Please provide title and contents for the post",
+        })
+    } else { 
+       Post.insert({ title, contents})
+         .then(({id}) => { //destruct the id so that you can grab not just the id but the title etc.
+                return Post.findById(id)
+         })
+         .then(post => {
+             res.status(201).json(post)
+         })
+         .catch(err => { 
+            res.status(500).json({
+            message: "There was an error while saving the post to the database",
+            err: err.message,
+            stack: err.stack,
+        })
+    })
+    } 
+})
+
+router.put('/:id', (req, res) => {
+    const { title, contents} = req.body
+    if (!title || !contents) {
+        res.status(400).json({
+            message: "Please provide title and contents for the post",
+        })
+       } else { 
+           Post.findById(req.params.id)
+           .then(post => {
+               if(!post) { 
+                   res.status(404).json({
+                       message: "The post with the specified ID does not exist"
+                   })
+               } else {
+                   return Post.update(req.params.id, req.body)
+               }
+           })
+           .then(data => {
+               if (data)
+               return Post.findById(req.params.id)
+           })
+           .then(post => {
+               if (post) { 
+                res.status(201).json(post)
+               }
+           })
+           .catch(err => {
+                res.status(500).json({
+                message: "There was an error while saving the post to the database",
+                err: err.message,
+                stack: err.stack,
+                })
+           })
+       }
+})
+
+router.delete('/:id', async (req, res) => {
+    const { id } = req.params
+    try { 
+       const post = await Post.findById(id)
+       if (!post) { 
+           res.status(404).json({
+               message: "The post with the specified ID does not exist"
+           })
+       } else { 
+           await Post.remove(id)
+           res.status(200).json(post)
+       }
+    } catch (err) {
+            res.status(500).json({
+            message: "The posts information could not be retrieved",
+            err: err.message,
+            stack: err.stack,
+        })
+    }
+})
+
+router.get('/:id/comments', async (req, res) => {
+    const { id } = req.params
+    try {
+        const post = await Post.findById(id)
+        if (!post) { 
+            res.status(404).json({
+                message: "The post with the specified ID does not exist"
+            })
+        } else { 
+            const messages = await Post.findPostComments(req.params.id)
+            res.status(200).json(messages)
+        }
+    }catch (err) {
+        res.status(500).json({
+            message: "The posts information could not be retrieved",
+            err: err.message,
+            stack: err.stack,
+        })
+    }
+
+})
+
+module.exports = router;

api/server.js

@@ -1,2 +1,15 @@
 // implement your server here
+const express = require('express')
+const postsRouter = require('./posts/posts-router.js')
+const server = express()
+server.use(express.json())
+
+server.use('/api/posts', postsRouter)
 // require your posts router and connect it here
+
+server.use('*', (req, res) => { 
+    res.status(404).json({
+        message: 'not found'
+    })
+})
+module.exports = server; 

index.js

@@ -1 +1,8 @@
 // require your server and launch it here
+const server = require('./api/server');
+
+const port = 5000;
+
+server.listen(port, () => {
+    console.log('listening on port', port)
+})