Add in erro handeling forback end

backend/src/gameservice.ts

@@ -0,0 +1,76 @@
+import { database, Character, Game, Pick, App } from './db'
+import { OrderByParser, FilterParser, ParsingError } from './tokenizer'
+
+export function addGameApis(app, jsonParser) {
+  app.get('/api/game/:gameId', async (req, res) => {
+    try {
+      const game = await Game.findOne({ where: { id: req.params['gameId'] } })
+      if (!game) {
+        res.status(404).send('Game Not Found')
+      } else {
+        res.send(game)
+      }
+    } catch (e) {
+      console.log(e)
+      res.status(500).send(e)
+    }
+  })
+
+  app.post('/api/game', jsonParser, async (req, res) => {
+    try {
+      const fp = new FilterParser()
+      const obp = new OrderByParser()
+      const page = req.body.page || 0
+      const orderBy = req.body.orderBy ? obp.parse(req.body.orderBy) : ['id']
+      const count = req.body.count || 10
+      const filter = req.body.filter ? fp.parse(req.body.filter) : {}
+
+      const gameData = await Game.findAll({
+        offset: page * count,
+        limit: count,
+        order: orderBy,
+        where: filter
+      })
+      const pageCount = Math.ceil(
+        (await Game.count({
+          where: filter
+        })) / count
+      )
+
+      res.setHeader('Content-Type', 'application/json')
+      res.send({ gameData, pageCount })
+    } catch (e) {
+      if (e instanceof ParsingError) {
+        res.status(400).send('Could not parse filter.')
+      } else {
+        res.status(500).send(e)
+      }
+    }
+  })
+
+  app.post('/api/game/:gameId/apps', async (req, res) => {
+    try {
+      const apps = await App.findAll({ where: { gameId: req.params['gameId'] } })
+      if (!apps) {
+        res.status(404).send('Apps not found.')
+      } else {
+        res.send(apps)
+      }
+    } catch (e) {
+      res.status(500).send(e)
+    }
+  })
+
+  app.post('/api/game/:gameId/picks', async (req, res) => {
+    try {
+      const picks = await Pick.findAll({ where: { gameId: req.params['gameId'] } })
+      if (!picks) {
+        res.status(404).send('Picks not found')
+      } else {
+        res.send(picks)
+      }
+    } catch (e) {
+      res.status(500).send(e)
+    }
+  })
+}