108 lines
3.3 KiB
Python
108 lines
3.3 KiB
Python
import json
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import uuid
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from datetime import datetime, timezone
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from auth.authenticate import login_required
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from base.redis import redis
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from base.resolvers import mutation
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@mutation.field("updateChat")
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@login_required
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async def update_chat(_, info, chat_new: dict):
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"""
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updating chat
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requires info["request"].user.slug to be in chat["admins"]
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:param info: GraphQLInfo with request
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:param chat_new: dict with chat data
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:return: Result { error chat }
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"""
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user = info.context["request"].user
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chat_id = chat_new["id"]
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chat = await redis.execute("GET", f"chats/{chat_id}")
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if not chat:
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return {
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"error": "chat not exist"
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}
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chat = dict(json.loads(chat))
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if user.slug in chat["admins"]:
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chat.update({
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"title": chat_new.get("title", chat["title"]),
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"description": chat_new.get("description", chat["description"]),
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"updatedAt": int(datetime.now(tz=timezone.utc).timestamp()),
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"admins": chat_new.get("admins", chat["admins"]),
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"users": chat_new.get("users", chat["users"])
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})
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await redis.execute("SET", f"chats/{chat.id}", json.dumps(chat))
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await redis.execute("COMMIT")
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return {
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"error": None,
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"chat": chat
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}
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@mutation.field("createChat")
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@login_required
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async def create_chat(_, info, title="", members=[]):
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user = info.context["request"].user
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chat = {}
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if user.slug not in members:
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members.append(user.slug)
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# reuse chat craeted before if exists
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if len(members) == 2 and title == "":
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chats1 = await redis.execute("SMEMBERS", f"chats_by_user/{members[0].slug}")
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chats2 = await redis.execute("SMEMBERS", f"chats_by_user/{members[1].slug}")
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chat = None
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for c in chats1.intersection(chats2):
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chat = await redis.execute("GET", f"chats/{c.decode('utf-8')}")
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if chat:
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chat = json.loads(chat)
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if chat.title == "":
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break
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if chat:
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return {
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"chat": chat,
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"error": "existed"
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}
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chat_id = str(uuid.uuid4())
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chat = {
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"id": chat_id,
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"users": members,
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"title": title,
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"createdBy": user.slug,
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"createdAt": int(datetime.now(tz=timezone.utc).timestamp()),
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"updatedAt": int(datetime.now(tz=timezone.utc).timestamp()),
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# "admins": [user.slug, ]
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}
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for m in members:
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await redis.execute("SADD", f"chats_by_user/{m}", chat_id)
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await redis.execute("SET", f"chats/{chat_id}", json.dumps(chat))
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await redis.execute("SET", f"chats/{chat_id}/next_message_id", str(0))
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await redis.execute("COMMIT")
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return {
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"error": None,
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"chat": chat
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}
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@mutation.field("deleteChat")
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@login_required
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async def delete_chat(_, info, chat_id: str):
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user = info.context["request"].user
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chat = await redis.execute("GET", f"/chats/{chat_id}")
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if chat:
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chat = dict(json.loads(chat))
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if user.slug in chat['admins']:
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await redis.execute("DEL", f"chats/{chat_id}")
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await redis.execute("SREM", "chats_by_user/" + user, chat_id)
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await redis.execute("COMMIT")
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else:
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return {
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"error": "chat not exist"
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}
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