time based on periods rather than timestamps

backend/index.js

@@ -5,8 +5,38 @@ import bcrypt from "bcrypt";
 import Database from "better-sqlite3";
 
 Date.prototype.addHours= function(h){
-this.setTime(this.getTime() + (h*60*60*1000));
-  return this;
+    this.setTime(this.getTime() + (h*60*60*1000));
+    return this;
+}
+
+
+function getPeriod() {
+    const now = new Date();
+    let hours = now.getHours();
+    let minutes = now.getMinutes();
+    if ((hours == 8) || (hours == 9 && minutes < 45)) {
+        // P1
+        return 1;
+    }
+    if ((hours == 9 && minutes >= 45) || (hours < 11 && minutes < 5)) {
+        // P2 / Break
+        return 2;
+    }
+    if ((hours == 11 && minutes >= 5) || (hours == 12 && minutes < 5)) {
+        // P3
+        return 3;
+    }
+    if ((hours == 12 && minutes >= 5) || (hours == 13 && minutes < 5)) {
+        // P4
+        return 4;
+    }
+    if ((hours == 13 && minutes >= 5) || (hours == 15 && minutes < 15)) {
+        // Lunch to P5
+        return 5;
+    } else {
+        // too early / late
+        return -1;
+    }
 }
 
 const app = e();
@@ -21,24 +51,35 @@ app.get('/', (req, res) => {
     res.send("Nothing Here");
 });
 
-app.get('/currentRooms', (req, res) => {
-    // req has no data
+app.get('/getPeriod', (req, res) => {
+    // req has nothing
+    // res has current period
+    res.status(200).json({period: getPeriod()});
+});
+
+app.post('/currentRooms', (req, res) => {
+    // req has day
     // res has all room at current time
     console.log("currentRooms");
-    const today = new Date();
-    let stmt = db.prepare(`SELECT * FROM TimeSlots INNER JOIN Rooms ON Rooms.Id=TimeSlots.Room WHERE TimeEnd BETWEEN '${today.toISOString()}' AND '${today.addHours(1).toISOString()}';`);
+    const currentPeriod = getPeriod();
+    if (currentPeriod == -1) {
+        res.status(418).send("Not in school");
+        return;
+    }
+    const today = req.body.day;
+    let stmt = db.prepare(`SELECT * FROM TimeSlots INNER JOIN Rooms ON Rooms.Id=TimeSlots.Room WHERE Period BETWEEN ${currentPeriod - 1} AND ${currentPeriod + 1} AND Day=${today};`);
     let records = stmt.all();
     res.status(200).json({records: records});
 });
 
 app.post('/addTimeSlot', (req, res) => {
-    // req has roomid userid starttime and end time
+    // req has roomid userid period and day
     // res has success or faliure
     console.log("addTimeSlot");
     const body = req.body;
     let roomid = parseInt(body.roomid);
     let userid = parseInt(body.userid);
-    let stmt = db.prepare(`INSERT INTO TimeSlots (TimeStart, TimeEnd, Room) VALUES ('${body.startTime}', '${body.endTime}', ${roomid});`);
+    let stmt = db.prepare(`INSERT INTO TimeSlots (Period, Day, Room) VALUES (${body.period}, ${body.day}, ${roomid});`);
     stmt.run();
     stmt = db.prepare(`UPDATE Users SET Submissions = Submissions + 1 WHERE Id=${userid};`);
     stmt.run();
@@ -54,7 +95,7 @@ app.post('/addRoom', (req, res) => {
     let stmt = db.prepare(`SELECT * FROM Rooms WHERE RoomName='${name}'`);
     let storedRecord = stmt.get();
     if (storedRecord) {
-        res.status(400).send("room already exists");
+        res.status(418).send("room already exists");
         return;
     }
     stmt = db.prepare(`INSERT INTO Rooms (RoomName) VALUES (${name})`);
@@ -81,7 +122,7 @@ app.post('/createUser', async (req, res) => {
     let stmt = db.prepare(`SELECT * FROM Users WHERE Email='${body.email}';`);
     let storedRecord = stmt.get();
     if (storedRecord) {
-        res.status(400).send("account with that email already exists");
+        res.status(418).send("account with that email already exists");
         return;
     }
     const generatedHash = await bcrypt.hash(body.pass, 10);
@@ -100,7 +141,7 @@ app.post('/login', async (req, res) => {
     let stmt = db.prepare(`SELECT Pass FROM Users WHERE Email='${body.email}';`);
     let storedHash = stmt.get();
     if (!storedHash) {
-        res.status(400).send("problem with email");
+        res.status(418).send("problem with email");
         return;
     }
     if (await bcrypt.compare(body.pass, storedHash.Pass)){
@@ -108,7 +149,7 @@ app.post('/login', async (req, res) => {
         const uid = stmt.get();
         res.status(200).send({uid: uid});
     } else {
-        res.status(400).send("incorrect password");
+        res.status(418).send("incorrect password");
     }
 });