Merge pull request #148 from rahulsingh2312/110-Refactor-Attendance-model

110-refactor-attendance-model

Author: Hitansh159

Dockerfile

@@ -12,4 +12,3 @@ EXPOSE 3500
 CMD ["npm", "run", "start"]
 
 
-

models/attendance.js

@@ -3,37 +3,63 @@ import connector from "./databaseUtil";
 connector.set("debug", true);
 
 const attendanceSchema = {
-  date: { type: Date, required: true },
-  time: { type: String, required: true },
-  absentees: { type: Array },
+  student: { type: connector.Schema.Types.ObjectId, ref: "Student", required: "true" },
+  course: { type: connector.Schema.Types.ObjectId, ref: "Course", required: "true" },
+  monthlyAttended: { type: Number, default: 0 },
+  monthlyOccured: { type: Number, default: 0 },
+  cumulativeAttended: { type: Number, default: 0 },
+  cumulativeOccured: { type: Number, default: 0 },
 };
 
 const Attendance = connector.model("Attendance", attendanceSchema);
 
-async function create(date, time, absentees) {
-  const attendance = new Attendance({
-    date,
-    time,
-    absentees,
-  });
-  const newAttendence = await attendance.save();
-  return newAttendence;
+async function create(studentId, courseId) {
+  try {
+    const attendance = new Attendance({
+      student: studentId,
+      course: courseId,
+    });
+    const createAttendance = await attendance.save();
+    return createAttendance;
+  } catch (error) {
+    console.error("Error creating attendance:", error);
+    return null;
+  }
 }
 
-async function remove(filter) {
-  const res = await Attendance.findOneAndDelete(filter);
-  return res;
+async function read(attendanceId) {
+  try {
+    const attendance = await Attendance.findById(attendanceId);
+    return attendance;
+  } catch (error) {
+    console.error("error reading attendance", error);
+    return null;
+  }
 }
 
-async function grantAttendance(roll, date) {
-  const res = await Attendance.findOneAndUpdate(
-    date,
-    { $pull: { absentees: roll } },
-    { new: true },
-  );
-  return res;
+async function update(attendanceId, updateData) {
+  try {
+    const updatedAttendance = await Attendance.findByIdAndUpdate(
+      attendanceId,
+      updateData,
+      { new: true },
+    );
+    return updatedAttendance;
+  } catch (error) {
+    console.error("error updating attendance:", error);
+    return null;
+  }
 }
 
+async function remove(attendanceId) {
+  try {
+    const deletedAttendance = await Attendance.findByIdAndDelete(attendanceId);
+    return deletedAttendance;
+  } catch (error) {
+    console.error("error removing attendance", error);
+    return null;
+  }
+}
 export default {
-  create, remove, grantAttendance,
+  create, remove, update, read,
 };