Add GenerateExamSP

GenerateExam.sql

@@ -0,0 +1,84 @@
+GO
+
+
+IF OBJECT_ID('GenerateExam', 'P') IS NOT NULL
+    DROP PROCEDURE GenerateExam;
+GO
+
+CREATE PROCEDURE GenerateExam
+    @InstructorID INT,
+    @CourseID INT,
+    @ExamName NVARCHAR(255), 
+    @Duration INT, 
+    @StartTime TIME, 
+    @TotalMCQ INT 
+
+AS
+BEGIN
+    DECLARE @ExamID INT;
+    DECLARE @AvailableMCQ INT;
+    DECLARE @AvailableTF INT;
+	set @ExamID= (select count(ex_id) from Exam)+1
+	BEGIN TRY
+        -- التحقق من أن المدرب مرتبط بالكورس عبر التراك
+        IF NOT EXISTS (
+            SELECT top(1)*
+            FROM dbo.Track T
+            JOIN dbo.Track_Course_Contain TC ON T.T_id = TC.T_id  JOIN dbo.Course c on TC.C_id=c.C_id
+            WHERE T.FK_Ins_Id = @InstructorID AND C.C_id = @CourseID
+        )
+        BEGIN
+            RAISERROR ('Instructor does not have permission for this course.', 16, 1);
+            RETURN;
+        END
+		-- التحقق من وجود عدد كافٍ من الأسئلة
+        SELECT @AvailableMCQ = COUNT(*)
+        FROM dbo.Question q join ExamQuestion eq on q.Q_id=eq.Q_id 
+		join exam e on eq.Ex_Id=e.Ex_Id join Course c on e.Fk_CID=c.C_id
+        WHERE e.Fk_CID = @CourseID AND q.Type = 'Choice';
+
+        SELECT @AvailableTF = COUNT(*)
+         FROM dbo.Question q join ExamQuestion eq on q.Q_id=eq.Q_id 
+		join exam e on eq.Ex_Id=e.Ex_Id join Course c on e.Fk_CID=c.C_id
+        WHERE Fk_CID = @CourseID AND Type = 'True/False';
+
+        IF @AvailableMCQ < @TotalMCQ 
+        BEGIN
+            RAISERROR ('Not enough questions available for the specified exam.', 16, 1);
+            RETURN;
+        END
+		-- إدخال بيانات الامتحان في جدول Exam
+        INSERT INTO dbo.Exam (Ex_Id,EName, No_MCQ, No_TF, Fk_CID, Start_Time, Duration)
+        VALUES (@ExamID,@ExamName, @TotalMCQ,2-@TotalMCQ, @CourseID, @StartTime, @Duration);
+
+
+
+		INSERT INTO dbo.ExamQuestion (Ex_Id, Q_id)
+        SELECT TOP (@TotalMCQ) @ExamID, q.Q_id
+        FROM dbo.Question q join ExamQuestion eq on q.Q_id=eq.Q_id 
+		join exam e on eq.Ex_Id=e.Ex_Id join Course c on e.Fk_CID=c.C_id
+        WHERE Fk_CID = @CourseID AND Type = 'Choice'
+        ORDER BY NEWID();
+
+        -- إدراج أسئلة الصواب والخطأ بشكل عشوائي
+        INSERT INTO dbo.ExamQuestion (Ex_Id, Q_id)
+        SELECT TOP (2-@TotalMCQ) @ExamID, q.Q_id
+         FROM dbo.Question q join ExamQuestion eq on q.Q_id=eq.Q_id 
+		join exam e on eq.Ex_Id=e.Ex_Id join Course c on e.Fk_CID=c.C_id
+        WHERE Fk_CID = @CourseID AND Type = 'True/False'
+        ORDER BY NEWID();
+
+        PRINT 'Exam created success'
+
+END TRY
+    BEGIN CATCH
+        PRINT 'An error occurred while creating the exam.';
+        THROW;
+    END CATCH
+END;
+GO
+
+
+--GenerateExam 1 ,1, 'Introduction to Programming' ,2,'2025-03-01 10:00:00.000',1
+
+