X-Git-Url: https://git.auder.net/?a=blobdiff_plain;f=models%2Fcourse.js;h=748ab6c33f7c32ea62728b824a33012dc2fb79d3;hb=HEAD;hp=53419c1f29e2c1b869de4fe6af059554e060ed3b;hpb=e99c53fb3be56eb4c685dd061eef0e5b5bf22b73;p=qomet.git

diff --git a/models/course.js b/models/course.js
index 53419c1..748ab6c 100644
--- a/models/course.js
+++ b/models/course.js
@@ -1,17 +1,115 @@
-const CourseEntity = require("../entities/course");
-const UserEntity = require("../entities/user");
-const AssessmentEntity = require("../entities/assessment");
+const UserModel = require("../models/user");
+const db = require("../utils/database");
 
 const CourseModel =
 {
+	/*
+	 * Structure:
+	 *   _id: BSON id
+	 *   uid: prof ID
+	 *   code: varchar
+	 *   description: varchar
+	 *   password: monitoring password hash
+	 *   students: array of
+	 *     number: student number
+	 *     name: varchar
+	 *     group: integer
+	 */
+
+	//////////////////
+	// BASIC FUNCTIONS
+
+	getByUser: function(uid, callback)
+	{
+		db.courses.find(
+			{ uid: uid },
+			callback
+		);
+	},
+
+	getById: function(cid, callback)
+	{
+		db.courses.findOne(
+			{ _id: cid },
+			callback
+		);
+	},
+
+	getByPath: function(uid, code, callback)
+	{
+		db.courses.findOne(
+			{
+				$and: [
+					{ uid: uid },
+					{ code: code },
+				]
+			},
+			callback
+		);
+	},
+
+	insert: function(uid, code, description, cb)
+	{
+		db.courses.insert(
+			{
+				uid: uid,
+				code: code,
+				description: description,
+				students: [ ],
+			},
+			cb);
+	},
+
+	setStudents: function(cid, students, cb)
+	{
+		db.courses.update(
+			{ _id: cid },
+			{ $set: { students: students } },
+			cb
+		);
+	},
+
+	// Note: return { students: { ... } }, pointing on the requested row
+	getStudent: function(cid, number, cb)
+	{
+		db.courses.findOne(
+			{ _id: cid },
+			{
+				_id: 0,
+				students: { $elemMatch: {number: number} }
+			},
+			cb
+		);
+	},
+
+	setPassword: function(cid, pwd, cb)
+	{
+		db.courses.update(
+			{ _id: cid },
+			{ $set: { password: pwd } },
+			cb
+		);
+	},
+
+	remove: function(cid, cb)
+	{
+		db.courses.remove(
+			{ _id: cid },
+			cb
+		);
+	},
+
+	/////////////////////
+	// ADVANCED FUNCTIONS
+
 	getByInitials: function(initials, callback)
 	{
-		UserEntity.getByInitials(initials, (err,user) => {
+		UserModel.getByInitials(initials, (err,user) => {
 			if (!!err || !user)
 				callback(err, []);
 			else
 			{
-				CourseEntity.getByUser(user._id, (err2,courseArray) => {
+				CourseModel.getByUser(user._id, (err2,courseArray) => {
 					callback(err2, courseArray);
 				});
 			}
@@ -20,12 +118,12 @@ const CourseModel =
 
 	getByRefs: function(initials, code, callback)
 	{
-		UserEntity.getByInitials(initials, (err,user) => {
+		UserModel.getByInitials(initials, (err,user) => {
 			if (!!err || !user)
 				callback(err, []);
 			else
 			{
-				CourseEntity.getByPath(user._id, code, (err2,course) => {
+				CourseModel.getByPath(user._id, code, (err2,course) => {
 					callback(err2, course);
 				});
 			}
@@ -35,38 +133,41 @@ const CourseModel =
 	importStudents: function(uid, cid, students, cb)
 	{
 		// 1) check if uid == course uid
-		CourseEntity.getById(cid, (err,course) => {
+		CourseModel.getById(cid, (err,course) => {
 			if (!!err || !course || !course.uid.equals(uid))
 				return cb({errmsg:"Not your course"},{});
 			// 2) Set students
-			CourseEntity.setStudents(cid, students, cb);
+			CourseModel.setStudents(cid, students, cb);
 		});
 	},
 
 	setPassword: function(uid, cid, pwd, cb)
 	{
 		// 1) check if uid == course uid
-		CourseEntity.getById(cid, (err,course) => {
+		CourseModel.getById(cid, (err,course) => {
 			if (!!err || !course || !course.uid.equals(uid))
 				return cb({errmsg:"Not your course"},{});
 			// 2) Insert new student (overwrite if number already exists)
-			CourseEntity.setPassword(cid, pwd, cb);
+			CourseModel.setPassword(cid, pwd, cb);
 		});
 	},
 
 	remove: function(uid, cid, cb)
 	{
 		// 1) check if uid == course uid
-		CourseEntity.getById(cid, (err,course) => {
+		CourseModel.getById(cid, (err,course) => {
 			if (!!err || !course || !course.uid.equals(uid))
 				return cb({errmsg:"Not your course"},{});
-			// 2) remove all associated assessments
-			AssessmentEntity.removeGroup(cid, (err2,ret) => {
-				if (!!err)
-					return cb(err,{});
-				// 3) remove course (with its students)
-				CourseEntity.remove(cid, cb);
-			});
+			// 2) remove all associated evaluations
+			db.evaluations.remove(
+				{ cid: cid },
+				(err2,ret) => {
+					if (!!err)
+						return cb(err,{});
+					// 3) remove course (with its students)
+					CourseModel.remove(cid, cb);
+				}
+			);
 		});
 	},
 }