feat: courses refactor

src/services/courses/collections.py

@@ -0,0 +1,148 @@
+import json
+from typing import List
+from uuid import uuid4
+from pydantic import BaseModel
+from src.services.users import PublicUser, User
+from src.services.database import create_config_collection, check_database, create_database, learnhouseDB, learnhouseDB
+from src.services.security import *
+from fastapi import FastAPI, HTTPException, status, Request, Response, BackgroundTasks
+from datetime import datetime
+
+#### Classes ####################################################
+
+
+class Collection(BaseModel):
+    name: str
+    description: str
+    courses: List[str] # course_id
+
+
+class CollectionInDB(Collection):
+    collection_id: str
+
+
+#### Classes ####################################################
+
+
+async def get_collection(collection_id: str, current_user: PublicUser):
+    await check_database()
+    collections = learnhouseDB["collections"]
+
+    collection = collections.find_one({"collection_id": collection_id})
+
+    # verify collection rights
+    await verify_collection_rights(collection_id, current_user, "read")
+    
+    if not collection:
+        raise HTTPException(
+            status_code=status.HTTP_409_CONFLICT, detail="Collection does not exist")
+
+    collection = Collection(**collection)
+    return collection
+
+
+async def create_collection(collection_object: Collection, current_user: PublicUser):
+    await check_database()
+    collections = learnhouseDB["collections"]
+
+    # find if collection already exists using name
+    isCollectionNameAvailable = collections.find_one({"name": collection_object.name})
+    
+    await verify_collection_rights("*", current_user, "create")
+
+    if isCollectionNameAvailable:
+        raise HTTPException(
+            status_code=status.HTTP_409_CONFLICT, detail="Collection name already exists")
+
+    # generate collection_id with uuid4
+    collection_id = str(f"collection_{uuid4()}")
+
+    collection = CollectionInDB(collection_id=collection_id, **collection_object.dict())
+
+    collection_in_db = collections.insert_one(collection.dict())
+
+    if not collection_in_db:
+        raise HTTPException(
+            status_code=status.HTTP_503_SERVICE_UNAVAILABLE, detail="Unavailable database")
+
+    return collection.dict()
+
+
+async def update_collection(collection_object: Collection, collection_id: str, current_user: PublicUser):
+    await check_database()
+
+    # verify collection rights
+    await verify_collection_rights(collection_id, current_user, "update")
+
+    collections = learnhouseDB["collections"]
+
+    collection = collections.find_one({"collection_id": collection_id})
+
+
+    if not collection:
+        raise HTTPException(
+            status_code=status.HTTP_409_CONFLICT, detail="Collection does not exist")
+
+    updated_collection = CollectionInDB(
+        collection_id=collection_id,  **collection_object.dict())
+
+    collections.update_one({"collection_id": collection_id}, {"$set": updated_collection.dict()})
+
+    return Collection(**updated_collection.dict())
+
+
+async def delete_collection(collection_id: str, current_user: PublicUser):
+    await check_database()
+
+    await verify_collection_rights(collection_id, current_user,"delete")
+
+    collections = learnhouseDB["collections"]
+
+    collection = collections.find_one({"collection_id": collection_id})
+
+    if not collection:
+        raise HTTPException(
+            status_code=status.HTTP_409_CONFLICT, detail="Collection does not exist")
+
+    isDeleted = collections.delete_one({"collection_id": collection_id})
+
+    if isDeleted:
+        return {"detail": "collection deleted"}
+    else:
+        raise HTTPException(
+            status_code=status.HTTP_503_SERVICE_UNAVAILABLE, detail="Unavailable database")
+
+
+async def get_collections(page: int = 1, limit: int = 10):
+    ## TODO : auth
+    await check_database()
+    collections = learnhouseDB["collections"]
+
+    # get all collections from database
+    all_collections = collections.find().sort("name", 1).skip(10 * (page - 1)).limit(limit)
+    
+    # TODO : Check rights for each collection
+    return [json.loads(json.dumps(collection, default=str)) for collection in all_collections]
+
+
+#### Security ####################################################
+
+async def verify_collection_rights(collection_id: str,  current_user: PublicUser, action: str):
+    await check_database()
+    collections = learnhouseDB["collections"]
+
+    collection = collections.find_one({"collection_id": collection_id})
+
+    if not collection:
+        raise HTTPException(
+            status_code=status.HTTP_409_CONFLICT, detail="Collection does not exist")
+
+    hasRoleRights = await verify_user_rights_with_roles(action, current_user.user_id, collection_id)
+
+    if not hasRoleRights:
+        raise HTTPException(
+            status_code=status.HTTP_403_FORBIDDEN, detail="You do not have rights to this Collection")
+
+    return True
+
+#### Security ####################################################