Added basic create, read, delete functionality

backend/src/database/database.py

@@ -13,6 +13,10 @@ class Database:
     __instance = None
     db = DDB
     db.config.storage_directory = DatabaseSettings.DATABASE_DIRECTORY
+    if not db.at("requests").exists():
+        db.at("requests").create({})
+    if not db.at("profiles").exists():
+        db.at("profiles").create({})
 
     @staticmethod
     def get_instance():

backend/src/routes/requests/base.py

@@ -1,18 +1,23 @@
 from flask.views import MethodView
 import marshmallow as ma
 
-from app import Application
+from database import Database
 from . import routes_requests as blp
 
-instance = Application.get_instance()
+db = Database.get_instance().db
+
+class RequestsAll(ma.Schema):
+    uuid = ma.fields.String(description="UUID v4", example="3f6dd2e5-8cb1-4ce0-82e4-b68edf4ce37a")
+    status = ma.fields.String()
 
-class RequestsGetAll(ma.Schema):
-    pass
 
 @blp.route("/all")
 class AllRequests(MethodView):
     @blp.doc(summary="Returns all requests")
-    @blp.response(200, RequestsGetAll, description="Successful operation")
+    @blp.response(200, RequestsAll(many=True), description="Successful operation")
     def get(self):
-        response = {}
+        db_data = db.at("requests").read()
+        response = []
+        for key, value in db_data.items():
+            response.append({"uuid": key, **value})
         return response

backend/src/routes/requests/create.py

@@ -1,18 +1,27 @@
+from uuid import uuid4
 from flask.views import MethodView
 import marshmallow as ma
 
-from app import Application
+from database import Database
 from . import routes_requests as blp
 
-instance = Application.get_instance()
+db = Database.get_instance().db
 
 class RequestsCreate(ma.Schema):
-    pass
+    status = ma.fields.String(example="Request 3f6dd2e5-8cb1-4ce0-82e4-b68edf4ce37a was created")
+    uuid = ma.fields.String(example="3f6dd2e5-8cb1-4ce0-82e4-b68edf4ce37a")
 
 @blp.route("/create")
 class CreateRequest(MethodView):
     @blp.doc(summary="Create a new request")
     @blp.response(200, RequestsCreate, description="Successful operation")
     def post(self):
-        response = {}
+        uuid = str(uuid4())
+        with db.at("requests").session() as (session, requests):
+            requests[uuid] = { "status": "created" }
+            session.write()
+        response = {
+            "status": f"Request {uuid} was created",
+            "uuid": uuid
+        }
         return response

backend/src/routes/requests/interact.py

@@ -1,24 +1,44 @@
+from flask_smorest import abort
 from flask.views import MethodView
 import marshmallow as ma
 
-from app import Application
+from database import Database
 from . import routes_requests as blp
 
-instance = Application.get_instance()
+db = Database.get_instance().db
+
+class UuidSchema(ma.Schema):
+    uuid = ma.fields.String(description="UUID of the request", example="3f6dd2e5-8cb1-4ce0-82e4-b68edf4ce37a")
 
 class RequestsInteraction(ma.Schema):
-    pass
+    status = ma.fields.String()
 
-@blp.route("/<uuid>")
+class RequestsInteractionDelete(ma.Schema):
+    status = ma.fields.String(example="Request 3f6dd2e5-8cb1-4ce0-82e4-b68edf4ce37a was deleted.")
+
+@blp.route("/<string:uuid>")
 class InteractRequest(MethodView):
     @blp.doc(summary="Returns a specific request by its UID")
+    @blp.arguments(UuidSchema, location='path', as_kwargs=True)
     @blp.response(200, RequestsInteraction, description="Successful operation")
-    def get(self):
+    @blp.alt_response(404)
-        response = {}
+    def get(self, uuid):
+        response = db.at("requests", key=uuid).read()
+        if response is None:
+            abort(404, message=f"Request {uuid} does not exist.")
         return response
 
     @blp.doc(summary="Deletes a specific request by its UID")
-    @blp.response(200, RequestsInteraction, description="Successful operation")
+    @blp.arguments(UuidSchema, location='path', as_kwargs=True)
-    def delete(self):
+    @blp.response(200, RequestsInteractionDelete, description="Successful operation")
-        response = {}
+    @blp.alt_response(404)
+    def delete(self, uuid):
+        if not db.at("requests", key=uuid).exists():
+            abort(404, message=f"Request {uuid} does not exist.")
+        with db.at("requests").session() as (session, requests):
+            del requests[uuid]
+            session.write()
+        response = {
+            "status": f"Request {uuid} was deleted."
+        }
         return response

backend/src/server.py

@@ -8,8 +8,7 @@ from routes.requests import routes_requests
 from config.server_settings import ServerSettings
 
 instance = Application.get_instance()
-app = instance.app
+app, api = instance.app, instance.api
-api = instance.api
 api.register_blueprint(routes)
 api.register_blueprint(routes_requests)