added functionlity for downloading files

backend/project/__main__.py

@@ -1,5 +1,7 @@
 """Main entry point for the application."""
+import sys
 
+sys.path.append(".")
 from dotenv import load_dotenv
 from project import create_app_with_db
 from project.db_in import url

backend/project/endpoints/projects/project_assignment_file.py

@@ -0,0 +1,32 @@
+"""
+Module for getting the assignment files
+of a project
+"""
+import os
+from urllib.parse import urljoin
+
+from flask import jsonify, send_from_directory, send_file
+from werkzeug.utils import safe_join
+
+from flask_restful import Resource
+
+from project.models.project import Project
+from project.utils.query_agent import query_by_id_from_model
+
+API_URL = os.getenv('API_HOST')
+RESPONSE_URL = urljoin(API_URL, "projects")
+UPLOAD_FOLDER = os.getenv('UPLOAD_URL')
+
+class ProjectAssignmentFiles(Resource):
+    """
+    Class for getting the assignment files of a project
+    """
+    def get(self, project_id):
+
+        project = Project.query.filter(getattr(Project, "project_id") == project_id).first()
+
+        file_url = urljoin(f"{UPLOAD_FOLDER}", f"{project_id}") + "/"
+
+        directory = safe_join(os.getcwd(), file_url)
+
+        return send_from_directory(directory, project.assignment_file, as_attachment=True)

backend/project/endpoints/projects/project_detail.py

@@ -14,10 +14,10 @@
     patch_by_id_from_model
 
 
-
 API_URL = getenv('API_HOST')
 RESPONSE_URL = urljoin(API_URL, "projects")
 
+
 class ProjectDetail(Resource):
     """
     Class for projects/id endpoints

backend/project/endpoints/projects/project_endpoint.py

@@ -7,6 +7,7 @@
 
 from project.endpoints.projects.projects import ProjectsEndpoint
 from project.endpoints.projects.project_detail import ProjectDetail
+from project.endpoints.projects.project_assignment_file import ProjectAssignmentFiles
 
 project_bp = Blueprint('project_endpoint', __name__)
 
@@ -19,3 +20,8 @@
     '/projects/<int:project_id>',
     view_func=ProjectDetail.as_view('project_detail')
 )
+
+project_bp.add_url_rule(
+    '/projects/<int:project_id>/assignments',
+    view_func=ProjectAssignmentFiles.as_view('project_assignments')
+)

backend/project/endpoints/projects/projects.py

@@ -30,7 +30,6 @@ def get(self):
         Get method for listing all available projects
         that are currently in the API
         """
-
         response_url = urljoin(API_URL, "projects")
         return query_selected_from_model(
             Project,
@@ -49,6 +48,7 @@ def post(self):
         file = request.files["assignment_file"]
         project_json = parse_project_params()
         filename = os.path.split(file.filename)[1]
+        project_json["assignment_file"] = filename
 
         # save the file that is given with the request
         try: