fixes

backend/app.py

@@ -19,6 +19,7 @@ from blueprints.session import session as sessionBlueprint
 from blueprints.admin import admin as adminBlueprint
 from blueprints.chat import chat as chatBlueprint
 from blueprints.public import public_summary as publicBlueprint
+from blueprints.course import course as courseBlueprint
 
 app = Flask(__name__)
 
@@ -40,6 +41,7 @@ app.register_blueprint(sessionBlueprint,url_prefix='/api/session')
 app.register_blueprint(adminBlueprint,url_prefix='/api/admin')
 app.register_blueprint(chatBlueprint,url_prefix='/api/chat')
 app.register_blueprint(publicBlueprint,url_prefix='/api/public')
+app.register_blueprint(courseBlueprint,url_prefix='/api/course')
 
 @app.route('/media/<string:filename>')
 def send_file(filename):

backend/blueprints/course/__init__.py

@@ -13,7 +13,7 @@ from constants import *
 from config import *
 from constants import PublishedStatus
 from typing import Union
-from backend.constants import UserRole
+from db.model import UserRole
 
 course = Blueprint('course', __name__)
 
@@ -28,13 +28,19 @@ def list_all_courses():
     if category_uuid is not None:
         category_uuid: uuid.UUID = uuid.UUID(request.args.get('category_uuid'))
     # Build the query as required
-    query: select = select(Course).limit(limit).offset(offset)
+    query: select = select(Course)
     if search_q != '':
         query = query.where(or_(Course.name.like(f'%{search_q}%'), Course.description.like(f'%{search_q}%'),
-                                Course.author.firstName.like(f'%{search_q}%')))
+                                User.firstName.like(f'%{search_q}%')))
     if category_uuid is not None:
         query = query.where(Course.categoryID == category_uuid)
-    total_pages_for_offset: int = db.session.execute(func.count(Course.id).select_from(Course)).scalar()/limit
+
+    #total_pages_for_offset: int = db.session.execute(func.count(Course.id).select_from(Course)).scalar()/limit
+    total_pages_for_offset: int = db.session.execute(
+            select(func.count()).select_from(query.subquery())
+        ).scalar() / limit
+
+    query = query.limit(limit).offset(offset)
     total_pages: int = math.ceil(total_pages_for_offset)
     if sort_by in available_sorts:
         if sort_by == 'date_asc':
@@ -107,7 +113,7 @@ def enroll_user():
 
 
 
-@course.route('/create', methods=['POST'])
+@course.route('/createCourse', methods=['POST'])
 @auth_required()
 def create_course():
     form_data: dict  = request.form