+ Added GET one and GET all for schools

routes/schools.js

@@ -0,0 +1,116 @@
+'use strict'
+
+const express = require('express')
+let router = express.Router()
+
+const connection = require('../database/connection')
+const db = connection.db
+
+// Model validation
+const Validator = require('jsonschema').Validator
+const v = new Validator()
+const School = require("../models/School")
+v.addSchema(School, "/SchoolModel")
+
+const getSchools = () => {
+    let getSchoolsPromise = new Promise((resolve, reject) => {
+
+        let query = "SELECT DISTINCT * FROM school"
+
+        db.query(query, async (err, result) => {
+            if (err) return reject
+            if (result.length == 0) { console.log("No school found in database") }
+
+            // Loops over the results to fetch the associated tables
+            for (let i = 0; i < result.length; i++) {
+                result[i] = await buildSchool(result[i])
+            }
+            resolve(result)
+        })
+    })
+    return getSchoolsPromise
+}
+
+const getSchool = (id) => {
+    let getSchoolPromise = new Promise((resolve, reject) => {
+
+        let query = "SELECT * FROM school WHERE id = " + id
+
+        db.query(query, async (err, result) => {
+            if (err) return reject
+            result = await buildSchool(result[0])
+            resolve(result);
+        })
+    })
+    return getSchoolPromise
+}
+
+// ROUTES
+// Get All
+router.get('/', async (req, res, next) => {
+    getSchools()
+    .then(v => {
+        res.setHeader('Content-Type', 'application/json;charset=utf-8')
+        res.end(JSON.stringify(v))
+    })
+    .catch(err => {
+        console.log(err)
+        next()
+    })
+})
+
+// Get One
+router.get('/:id/', async (req, res, next) => {
+    getSchool(req.params.id)
+    .then(v => {
+        res.setHeader('Content-Type', 'application/json;charset=utf-8')
+        res.end(JSON.stringify(v))
+    })
+    .catch(err => {
+        console.log(err)
+        next()
+    })
+})
+
+// Param validation for single school
+// (check if id is int) (could be refactored)
+router.param('id', (req, res, next, id) => {
+    const regex = RegExp(/^[1-9]\d*$/);
+    try {
+        if (regex.test(id)) {
+            next()
+        } else {
+            let err = {
+                    name: "InvalidParameterException",
+                    description: "The parameter is not valid. It should be an integer."
+                }
+            throw err
+        }
+    } catch (err) {
+        res.status(403).send(err)
+    }
+})
+
+// SHARED FUNCTIONS
+// Builds the associated infos for a given school object
+const buildSchool = async (school) => {
+
+    // Fetches the school's parent school
+    let fetchMetaSchoolData = new Promise((resolve, reject) => {
+        let query =
+        "SELECT ms.id, ms.name " +
+        "FROM meta_school AS ms " +
+        "WHERE ms.id = " + school.id_meta_school
+
+        db.query(query, (err, result) => {
+            if (err) return reject
+            resolve(result)
+        })
+    })
+
+    // Builds the school and returns it
+    school.meta_school = await fetchMetaSchoolData
+    return school
+}
+
+module.exports = router