Enhancement/endpoints cleanup (#61)

* added query agent containing functions that can be used by multiple endpoints

* loading env variables is only necessary in __main__

* removed unneeded load_dotenv

* completed functions that are ought to be used by multiple endpoints or files

* simplified endpoint functions by using query_agent functions

* fixed linting

* fixed urljoin incorrectly joining url

* lint: removed trailing whitepsace

* completely replaced functionality with query_agent functions

* added functionality for patching an entry in the database

* fixed linting

* filtered queries and forms to only contain entries that are valid in table

* created function that filters dict keys that are not in table

* made class serializable

* url query is not a valid authentication method, filtered out option

* using query_agent functions to prevent code duplication

* split courses into multiple files to keep it organized

* fixed linting

* added new courses blueprint

* removed trailing space

* changed test to stay consistent with course admin relation also

* added query agent functions to prevent code duplication

* using f string instead of concating string with plus operator

* updated with better module doc

* removed courses file (part of merge)

* removed unused module

* appending forward slash when using urljoin

* remove unused file

* fixed linting

* removed unused file

* removed duplicate column values

backend/project/__init__.py

@@ -6,8 +6,7 @@
 from .db_in import db
 from .endpoints.index.index import index_bp
 from .endpoints.projects.project_endpoint import project_bp
-from .endpoints.courses import courses_bp
-
+from .endpoints.courses.courses_config import courses_bp
 
 
 def create_app():

backend/project/__main__.py

@@ -1,11 +1,10 @@
 """Main entry point for the application."""
 
-from sys import path
+from dotenv import load_dotenv
 from project import create_app_with_db
 from project.db_in import url
 
-path.append(".")
-
 if __name__ == "__main__":
+    load_dotenv()
     app = create_app_with_db(url)
     app.run(debug=True)

backend/project/db_in.py

@@ -2,13 +2,10 @@
 
 import os
 from flask_sqlalchemy import SQLAlchemy
-from dotenv import load_dotenv
 from sqlalchemy import URL
 
 db = SQLAlchemy()
 
-load_dotenv()
-
 DATABSE_NAME = os.getenv("POSTGRES_DB")
 DATABASE_USER = os.getenv("POSTGRES_USER")
 DATABASE_PASSWORD = os.getenv("POSTGRES_PASSWORD")