Added endpoints for /degrees and /courses in plannify.js

server/routes/plannify.js

@@ -1,9 +1,28 @@
 var express = require('express');
 var db = require('../database/db');
 var router = express.Router();
+const bodyParser = require('body-parser');
+app = express();
+app.use(bodyParser.json());
+app.use(bodyParser.urlencoded({ extended: true }));
+
+// Converts a string into a string that allows for a more forgiving SQL search
+function searchConversion(searchTerm) {
+    return "%" + searchTerm + "%"
+}
+
+/* 
+ *  Gets a course based on a query
+ * 
+ *  Example return:
+ *  {
+ *    "code": "COMP1511",
+ *    ...
+ *  }
+ */
 
 router.get('/course/:CODE([A-Z]{4}[0-9]{4})', (req, res) => {
-    db.query("SELECT * FROM course WHERE code LIKE $1",[req.params.CODE], (err, queryRes) => {
+    db.query("SELECT * FROM courses WHERE code LIKE $1",[req.params.CODE], (err, queryRes) => {
         if (err) {
             throw err;
             res.end();
@@ -16,4 +35,135 @@ router.get('/course/:CODE([A-Z]{4}[0-9]{4})', (req, res) => {
     });
 });
 
+/* 
+ *  Get all degree objects
+ * 
+ *  Example return:
+ *  {
+ *    "degrees": [
+ *      {
+ *        "programid": 3707,
+ *        "name": "Bachelor of Engineering (Honours)",
+ *        "major": "Software Engineering",
+ *        "minor": ""
+ *      },
+ *      {
+ *        ...
+ *      }
+ *    ]
+ *  }
+ */
+
+router.get('/degrees', (req, res) => {
+    console.log("Degrees api call");
+    db.query("SELECT * FROM programs", (err, queryRes) => {
+        if (err) {
+            throw err;
+            res.end();
+        } else if (queryRes.rows.length == 0) {
+            console.log("query for degrees does not exist");
+            res.send({});
+        } else {
+            res.json({
+                "degrees": queryRes.rows
+            });
+        }
+    });
+});  
+
+/* 
+ *  Returns all course objects related to a query
+ *  
+ *  Example return:
+ *  {
+ *      "courses": [
+ *          {
+ *              "code": "COMP1511",
+ *              "name": "course full name here",
+ *              "description": "course desc here",
+ *              "offering": T1
+ *              ...
+ *          },
+ *          {
+ *              ...
+ *          }
+ *      ]
+ *  }
+*/
+
+router.post('/courses', (req, res) => {
+    console.log("Courses api call");
+    let majorName = req.body["majorName"].toLowerCase();
+    let minorName = req.body["minorName"].toLowerCase();
+
+    let courses = [];
+    let courseData = [];
+
+    if (majorName.length) {
+        db.query("SELECT courses FROM majors WHERE lower(name) LIKE $1", [searchConversion(majorName)], (err, queryRes) => {
+            if (err) {
+                throw err;
+                res.end();
+            } else if (queryRes.rows.length == 0) {
+                console.log("query for major courses does not exist");
+            } else {
+                for (let i = 0; i < queryRes.rows.length; i++) {
+                    let coursesTemp = queryRes.rows[i]["courses"].split(/[,|\s]+/);
+                    for (let j = 0; j < coursesTemp.length; j++) {
+                        if (courses.indexOf(coursesTemp[j]) == -1) {
+                            courses.push(coursesTemp[j]);
+                        } else {
+                            continue;
+                        }
+                    }
+                }
+            }
+        });
+    }
+
+    if (minorName.length) {
+        db.query("SELECT courses FROM minors WHERE lower(name) LIKE $1", [searchConversion(minorName)], (err, queryRes) => {
+            if (err) {
+                throw err;
+                res.end();
+            } else if (queryRes.rows.length == 0) {
+                console.log("query for minor courses does not exist");
+            } else {
+                for (let i = 0; i < queryRes.rows.length; i++) {
+                    let coursesTemp = queryRes.rows[i]["courses"].split(/[,|\s]+/);
+                    for (let j = 0; j < coursesTemp.length; j++) {
+                        if (courses.indexOf(coursesTemp[j]) == -1) {
+                            courses.push(coursesTemp[j]);
+                        } else {
+                            continue;
+                        }
+                    }
+                }
+            }
+        });
+    }
+
+    // Returning the output
+    setTimeout(function(){
+        for (let i = 0; i < courses.length; i++) {
+            db.query("SELECT * FROM pathways_courses WHERE code LIKE $1", [searchConversion(courses[i])], (err, queryRes) => {
+                if (err) {
+                    throw err;
+                    res.end();
+                } else if (queryRes.rows.length == 0) {
+                    courseData.push({"code": courses[i]});
+                } else {
+                    courseData.push(queryRes.rows[0]);
+                }
+            });
+        }
+    }, 5000);
+
+    setTimeout(function(){
+        res.json ({
+            "courses": courseData   
+        });
+    }, 10000);
+});
+
 module.exports = router;