Nicholas branch

.vscode/settings.json

@@ -1,5 +1,7 @@
 {
   "python.testing.unittestArgs": ["-v", "-s", "./App", "-p", "test_*.py"],
   "python.testing.pytestEnabled": false,
-  "python.testing.unittestEnabled": true
+  "python.testing.unittestEnabled": true,
+  "python.analysis.typeCheckingMode": "basic",
+  "python.analysis.autoImportCompletions": true
 }

App/controllers/__init__.py

@@ -9,4 +9,5 @@
 from .studentCourseHistory import *
 from .coursePlanCourses import *
 from .coursesOfferedPerSem import *
+from .courseOfferings import *
 from .coursePlan import *

App/controllers/courseOfferings.py

@@ -0,0 +1,89 @@
+from App.database import db
+from App.models import CourseOfferings
+
+def createCourseOffering(courseCode, academic_year, semester):
+    courseCode=courseCode.replace(" ","").upper()   #ensure consistent course code format
+    offering = CourseOfferings.query.filter_by(course_code=courseCode, academic_year=academic_year, semester=semester).first()
+    if offering:
+        print("Course offering exists already")
+        return None
+    try:
+        if CourseOfferings.checkAcademicYearFormat(academic_year):
+            if semester == 1 or semester == 2 or semester == 3:
+                if CourseOfferings.getCourse(courseCode):
+                    offeredCourse = CourseOfferings(academic_year, semester, courseCode)
+                    if offeredCourse:
+                        db.session.add(offeredCourse)
+                        db.session.commit()
+                        print("Course offering created successfully")
+                        return offeredCourse
+                    else: 
+                        print("The new course offering could not be created")
+                else: 
+                    print(f"Invalid course code")
+            else:
+                print(f"The semester is invalid. There are 3 semesters: 1, 2, 3")
+        else:
+            print(f"Academic year format incorrect. Should be  yyyy/yyyy e.g. 2022/2023")
+    except Exception as e:
+        db.session.rollback()
+        print(f"An error occured when trying to add a course to the course offerings: {e}")
+
+def getAllCourseOfferings():
+    return CourseOfferings.query.all()
+
+def getCourseOfferingsByYear(year):
+    if CourseOfferings.checkAcademicYearFormat(year):
+        offerings = CourseOfferings.query.filter_by(academic_year = year).all()
+        if offerings:
+            return offerings
+        else:
+            print("There are no offerings for the selected year")
+    else:
+        print("Academic year format incorrect. Should be yyyy/yyyy e.g. 2022/2023")
+
+def getCourseOfferingsBySemester(sem):
+    if sem == 1 or sem == 2 or sem == 3:
+        offerings = CourseOfferings.query.filter_by(semester = sem).all()
+        if offerings:
+            return offerings
+        else:
+            print("There are no offerings for the selected semester")
+    else:
+        print(f"The semester is invalid. There are 3 semesters: 1, 2, 3")
+
+def getCourseOfferingsByYearAndSemester(year, sem):
+    if CourseOfferings.checkAcademicYearFormat(year):
+        if sem == 1 or sem == 2 or sem == 3:
+            offerings = CourseOfferings.query.filter_by(semester = sem, academic_year = year).all()
+            if offerings:
+                return offerings
+            else:
+                print("There are no offerings for the selected year and semester")
+        else:
+            print(f"The semester is invalid. There are 3 semesters: 1, 2, 3")
+    else:
+        print("Academic year format incorrect. Should be yyyy/yyyy e.g. 2022/2023")
+
+def deleteCourseOffering(courseCode, academic_year, semester):
+    courseCode=courseCode.replace(" ","").upper()   #ensure consistent course code format
+    try:
+        offering = CourseOfferings.query.filter_by(course_code=courseCode, academic_year=academic_year, semester=semester).first()
+        if offering:
+            db.session.delete(offering)
+            db.session.commit()
+            print("Course offering deleted successfully")
+            return True
+        else: 
+            print("The course offering you are trying to delete does not exist")
+    except Exception as e:
+        db.session.rollback()
+        print(f"An error occured when trying to delete the course from the course offerings: {e}")
+        return False
+
+def isCourseOffering(courseCode, academic_year, semester):
+    offering = CourseOfferings.query.filter_by(course_code=courseCode, academic_year=academic_year, semester=semester).first()
+    if offering:
+        return True
+    else:
+        return False