litecord/litecord/blueprints/dms.py

155 lines
4.2 KiB
Python

"""
Litecord
Copyright (C) 2018-2019 Luna Mendes
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, version 3 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
"""
"""
blueprint for direct messages
"""
from quart import Blueprint, request, current_app as app, jsonify
from logbook import Logger
from ..schemas import validate, CREATE_DM, CREATE_GROUP_DM, CREATE_GROUP_DM_V9
from ..enums import ChannelType
from .auth import token_check
from litecord.blueprints.dm_channels import gdm_create, gdm_add_recipient, gdm_pubsub
from litecord.common.channels import try_dm_state
from litecord.utils import index_by_func
log = Logger(__name__)
bp = Blueprint("dms", __name__)
@bp.route("/@me/channels", methods=["GET"])
async def get_dms():
"""Get the open DMs for the user."""
user_id = await token_check()
dms = await app.user_storage.get_dms(user_id)
return jsonify(dms)
async def jsonify_dm(dm_id: int, user_id: int):
dm_chan = await app.storage.get_dm(dm_id, user_id)
if request.discord_api_version > 7:
self_user_index = index_by_func(
lambda user: user["id"] == str(user_id), dm_chan["recipients"]
)
assert self_user_index is not None
dm_chan["recipients"].pop(self_user_index)
return jsonify(dm_chan)
async def create_dm(user_id: int, recipient_id: int):
"""Create a new dm with a user,
or get the existing DM id if it already exists."""
dm_id = await app.db.fetchval(
"""
SELECT id
FROM dm_channels
WHERE (party1_id = $1 OR party2_id = $1) AND
(party1_id = $2 OR party2_id = $2)
""",
user_id,
recipient_id,
)
if dm_id:
await gdm_pubsub(dm_id, (user_id, recipient_id))
return await jsonify_dm(dm_id, user_id)
# if no dm was found, create a new one
dm_id = app.winter_factory.snowflake()
await app.db.execute(
"""
INSERT INTO channels (id, channel_type)
VALUES ($1, $2)
""",
dm_id,
ChannelType.DM.value,
)
await app.db.execute(
"""
INSERT INTO dm_channels (id, party1_id, party2_id)
VALUES ($1, $2, $3)
""",
dm_id,
user_id,
recipient_id,
)
# the dm state is something we use
# to give the currently "open dms"
# on the client.
# we don't open a dm for the peer/recipient
# until the user sends a message.
await try_dm_state(user_id, dm_id)
await gdm_pubsub(dm_id, (user_id, recipient_id))
return await jsonify_dm(dm_id, user_id)
@bp.route("/@me/channels", methods=["POST"])
async def start_dm():
"""Create a DM with a user."""
user_id = await token_check()
j = validate(
await request.get_json(),
CREATE_GROUP_DM_V9 if request.discord_api_version == 9 else CREATE_DM,
)
recipient_id = int(
j["recipients"][0] if request.discord_api_version == 9 else j["recipient_id"]
)
return await create_dm(user_id, recipient_id)
@bp.route("/<int:p_user_id>/channels", methods=["POST"])
async def create_group_dm(p_user_id: int):
"""Create a DM or a Group DM with user(s)."""
user_id = await token_check()
assert user_id == p_user_id
j = validate(
await request.get_json(),
CREATE_GROUP_DM_V9 if request.discord_api_version == 9 else CREATE_GROUP_DM,
)
recipients = (
j["recipients"] if request.discord_api_version == 9 else j["recipient_id"]
)
if len(recipients) == 1:
# its a group dm with 1 user... a dm!
return await create_dm(user_id, int(recipients[0]))
# create a group dm with multiple users
channel_id = await gdm_create(user_id, recipients[0])
for recipient in recipients[1:]:
await gdm_add_recipient(channel_id, recipient)
return jsonify(await app.storage.get_channel(channel_id))