refactor: improve code formatting and error messages in ClassService

src/modules/class/class.service.ts

@@ -8,7 +8,7 @@ import * as moment from "moment";
 
 @Injectable()
 export class ClassService {
-	constructor(private readonly prisma: PrismaService) { }
+	constructor(private readonly prisma: PrismaService) {}
 
 	async create(createClassDto: CreateClassDto) {
 		return await this.prisma.class.create({ data: createClassDto });
@@ -20,7 +20,7 @@ export class ClassService {
 		cursor,
 		where,
 		orderBy,
-		include
+		include,
 	}: {
 		skip?: number;
 		take?: number;
@@ -35,7 +35,7 @@ export class ClassService {
 			cursor,
 			where,
 			orderBy,
-			include
+			include,
 		});
 	}
 
@@ -68,12 +68,11 @@ export class ClassService {
 			include: { Students: true },
 		});
 
-		if (!Class)
-			throw new HttpException("Class not found", 404);
+		if (!Class) throw new HttpException("Class not found", 404);
 
 		const studentIdsToAdd = studentIds.filter(
 			(studentId) =>
-				!Class.Students.some((student) => student.id === studentId)
+				!Class.Students.some((student) => student.id === studentId),
 		);
 
 		if (studentIdsToAdd.length === 0) return Class;
@@ -82,7 +81,9 @@ export class ClassService {
 			where: { id: classId },
 			data: {
 				Students: {
-					connect: studentIdsToAdd.map((studentId) => ({ id: studentId })),
+					connect: studentIdsToAdd.map((studentId) => ({
+						id: studentId,
+					})),
 				},
 			},
 		});
@@ -97,18 +98,41 @@ export class ClassService {
 
 	async createRoom(classId: string, createRoomClassDto: CreateRoomClassDto) {
 		// Check if end time is greater than start time
-		const invalidTime = createRoomClassDto.times.find(
-			(time) => moment(time.start, "HH:mm").isAfter(moment(time.end, "HH:mm"))
+		const invalidTime = createRoomClassDto.times.find((time) =>
+			moment(time.start, "HH:mm").isAfter(moment(time.end, "HH:mm")),
 		);
 
 		if (invalidTime)
-			throw new HttpException("Invalid time", 400);
+			throw new HttpException(
+				"The end time must be greater than the start time",
+				400,
+			);
 
-		// Check if date is in the past
-		const invalidDate = moment(createRoomClassDto.date).isBefore(moment());
+		const date = moment(createRoomClassDto.date);
+		const firstTimeDateStart = moment(date).set({
+			hour: moment(createRoomClassDto.times[0].start, "HH:mm").hours(),
+			minute: moment(
+				createRoomClassDto.times[0].start,
+				"HH:mm",
+			).minutes(),
+		});
+		const firsTimeDateEnd = moment(date).set({
+			hour: moment(createRoomClassDto.times[0].end, "HH:mm").hours(),
+			minute: moment(createRoomClassDto.times[0].end, "HH:mm").minutes(),
+		});
 
-		if (invalidDate)
-			throw new HttpException("Invalid date", 400);
+		// Check if start time is greater than end time
+		if (firstTimeDateStart.isAfter(firsTimeDateEnd))
+			throw new HttpException(
+				"The end time must be greater than the start time",
+				400,
+			);
+
+		if (moment().isAfter(firsTimeDateEnd))
+			throw new HttpException(
+				"The end time must be greater than the current time",
+				400,
+			);
 
 		return await this.prisma.room.create({
 			include: { Times: true },
@@ -132,10 +156,14 @@ export class ClassService {
 	}
 
 	async getRooms(classId: string) {
-		return await this.prisma.class.findUnique({
-			where: { id: classId },
-			include: { ClassRoom: { include: { Times: true, Presentator: true } } },
-		}).then((class_) => class_.ClassRoom);
+		return await this.prisma.class
+			.findUnique({
+				where: { id: classId },
+				include: {
+					ClassRoom: { include: { Times: true, Presentator: true } },
+				},
+			})
+			.then((class_) => class_.ClassRoom);
 	}
 
 	async getUserClasses(userId: string) {