ticketfrei3/backend/src/kibicara/platforms/twitter/webapi.py

# Copyright (C) 2020 by Cathy Hu <cathy.hu@fau.de>
# Copyright (C) 2020 by Martin Rey <martin.rey@mailbox.org>
#
# SPDX-License-Identifier: 0BSD

from logging import getLogger

from fastapi import APIRouter, Depends, HTTPException, Response, status
from peony.exceptions import NotAuthenticated
from peony.oauth_dance import get_access_token, get_oauth_token
from pydantic import BaseModel
from tortoise.exceptions import DoesNotExist, IntegrityError

from kibicara.config import config
from kibicara.platforms.twitter.bot import spawner
from kibicara.platforms.twitter.model import Twitter
from kibicara.webapi.hoods import get_hood, get_hood_unauthorized

logger = getLogger(__name__)


class BodyTwitterPublic(BaseModel):
    username: str


async def get_twitter(twitter_id: int, hood=Depends(get_hood)):
    try:
        return await Twitter.get(id=twitter_id, hood=hood)
    except DoesNotExist:
        raise HTTPException(status_code=status.HTTP_404_NOT_FOUND)


router = APIRouter()
twitter_callback_router = APIRouter()


@router.get(
    "/public",
    # TODO response_model,
    operation_id="get_twitters_public",
)
async def twitter_read_all_public(hood=Depends(get_hood_unauthorized)):
    twitterbots = await Twitter.filter(hood=hood).all()
    return [
        BodyTwitterPublic(username=twitterbot.username)
        for twitterbot in twitterbots
        if twitterbot.verified == 1 and twitterbot.enabled == 1 and twitterbot.username
    ]


@router.get(
    "/",
    # TODO response_model,
    operation_id="get_twitters",
)
async def twitter_read_all(hood=Depends(get_hood)):
    return await Twitter.filter(hood=hood).all()


@router.get(
    "/{twitter_id}",
    # TODO response_model
    operation_id="get_twitter",
)
async def twitter_read(twitter=Depends(get_twitter)):
    return twitter


@router.delete(
    "/{twitter_id}",
    status_code=status.HTTP_204_NO_CONTENT,
    # TODO response_model
    operation_id="delete_twitter",
)
async def twitter_delete(twitter=Depends(get_twitter)):
    spawner.stop(twitter)
    await twitter.delete()
    return Response(status_code=status.HTTP_204_NO_CONTENT)


@router.get(
    "/{twitter_id}/status",
    status_code=status.HTTP_200_OK,
    # TODO response_model
    operation_id="status_twitter",
)
async def twitter_status(twitter=Depends(get_twitter)):
    return {"status": spawner.get(twitter).status.name}


@router.post(
    "/{twitter_id}/start",
    status_code=status.HTTP_200_OK,
    # TODO response_model
    operation_id="start_twitter",
)
async def twitter_start(twitter=Depends(get_twitter)):
    await twitter.update(enabled=True)
    spawner.get(twitter).start()
    return {}


@router.post(
    "/{twitter_id}/stop",
    status_code=status.HTTP_200_OK,
    # TODO response_model
    operation_id="stop_twitter",
)
async def twitter_stop(twitter=Depends(get_twitter)):
    await twitter.update(enabled=False)
    spawner.get(twitter).stop()
    return {}


@router.post(
    "/",
    status_code=status.HTTP_201_CREATED,
    # TODO response_model
    operation_id="create_twitter",
)
async def twitter_create(response: Response, hood=Depends(get_hood)):
    """
    `https://api.twitter.com/oauth/authorize?oauth_token=`
    """
    try:
        # Purge Twitter corpses
        for corpse in await Twitter.filter(hood=hood, verified=False).all():
            await corpse.delete()
        # Create Twitter
        request_token = await get_oauth_token(
            config["twitter"]["consumer_key"],
            config["twitter"]["consumer_secret"],
            callback_uri="{0}/dashboard/twitter-callback?hood={1}".format(
                config["frontend_url"], hood.id
            ),
        )
        if request_token["oauth_callback_confirmed"] != "true":
            raise HTTPException(status_code=status.HTTP_503_SERVICE_UNAVAILABLE)
        twitter = await Twitter.create(
            hood=hood,
            access_token=request_token["oauth_token"],
            access_token_secret=request_token["oauth_token_secret"],
        )
        response.headers["Location"] = str(twitter.id)
        return twitter
    except IntegrityError:
        raise HTTPException(status_code=status.HTTP_409_CONFLICT)
    except (KeyError, ValueError, NotAuthenticated):
        raise HTTPException(status_code=status.HTTP_500_INTERNAL_SERVER_ERROR)


@twitter_callback_router.get(
    "/callback",
    # TODO response_model
    operation_id="callback_twitter",
)
async def twitter_read_callback(
    oauth_token: str, oauth_verifier: str, hood=Depends(get_hood)
):
    try:
        twitter = await Twitter.filter(access_token=oauth_token).get()
        access_token = await get_access_token(
            config["twitter"]["consumer_key"],
            config["twitter"]["consumer_secret"],
            twitter.access_token,
            twitter.access_token_secret,
            oauth_verifier,
        )
        await Twitter.filter(id=twitter).update(
            access_token=access_token["oauth_token"],
            access_token_secret=access_token["oauth_token_secret"],
            verified=True,
            enabled=True,
        )
        spawner.start(twitter)
        return {}
    except IntegrityError:
        raise HTTPException(status_code=status.HTTP_409_CONFLICT)
    except DoesNotExist:
        raise HTTPException(status_code=status.HTTP_404_NOT_FOUND)
    except (KeyError, ValueError, NotAuthenticated):
        raise HTTPException(status_code=status.HTTP_500_INTERNAL_SERVER_ERROR)