Added a deviantart RSS feed functionality
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119
cogs/da.py
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119
cogs/da.py
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import aiohttp
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import asyncio
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import discord
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import re
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from discord.ext import commands
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from .utils import config
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from .utils import checks
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class Deviantart:
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def __init__(self, bot):
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self.base_url = "https://www.deviantart.com/api/v1/oauth2/gallery/all"
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self.bot = bot
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self.headers = {"User-Agent": "Bonfire/1.0.0"}
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self.session = aiohttp.ClientSession()
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bot.loop.create_task(self.get_token())
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async def get_token(self):
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# We need a token to create requests, it doesn't seem this token goes away
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# To get this token, we need to make a request and retrieve that
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url = 'https://www.deviantart.com/oauth2/token'
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params = {'client_id': config.da_id,
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'client_secret': config.da_secret,
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'grant_type': 'client_credentials'}
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async with self.session.get(url, headers=self.headers, params=params) as response:
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data = await response.json()
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# Make sure we refresh our token, based on when they tell us it expires
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# Ensure we call it a few seconds earlier, to give us enough time to set the new token
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# If there was an issue, lets call this in a minute again
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self.bot.loop.call_later(data.get('expires_in', 65) - 5, get_token)
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self.token = data.get('access_token', None)
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self.params = {'access_token': self.token}
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async def check_posts(self):
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content = await config.get_content('deviantart')
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# People might sub to the same person, so lets cache every person and their last update
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cache = {}
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for entry in content:
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user = discord.utils.get(self.bot.get_all_members(), id=entry['member_id'])
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# If we're sharded, we might not be able to find this user. If the bot is not in the server with the member either
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if user is None:
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continue
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params = self.params.copy()
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# Now loop through the subscriptions
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for da_name in entry['subbed']:
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# Check what the last updated content we sent to this user was
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# Since we cannot go back in time, if this doesn't match the last uploaded from the user
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# Assume we need to notify the user of this post
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last_updated_id = entry['last_updated'].get(da_name, None)
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# Check if this user has been requested already, if so we don't need to make another request
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result = cache.get(da_name, None)
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if result is None:
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params['username'] = da_name
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async with self.session.get(self.base_url, headers=self.headers, params) as response:
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data = await response.json()
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result = data['results'][0]
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cache[da_name] = result
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# This means that our last update to this user, for this author, is not the same
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if last_updated_id != result['deviationid']:
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# First lets check if the last updated ID was None, if so...then we haven't alerted them yet
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# We don't want to alert them, we just want to act like the artist's most recent update was the last notified
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# So just notify the user if this is not None
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if last_updated_id is not None:
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fmt = "**Title:** {}\n**User:** {}\n**Category:** {}\n**URL:** {}".format(
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title = result['title'],
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artist = result['author']['username'],
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url = result['url'],
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category = result['category'])
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await self.bot.send_message(user, fmt)
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# Now we can update the user's last updated for this DA
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# We want to do this whether or not our last if statement was met
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r_filter = {'member_id': user.id}
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update = {'last_updated': {da_name: result['deviationid']}}
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await config.update_content('deviantart', update, r_filter)
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@commands.group()
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@checks.custom_perms(send_messages=True)
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async def da(self)
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pass
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@da.command(pass_context=True, name='sub', aliases=['add', 'subscribe'])
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@checks.custom_perms(send_messages=True)
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async def da_sub(self, ctx, *, username):
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"""This can be used to add a feed to your notifications.
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Provide a username, and when posts are made from this user, you will be notified"""
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r_filter = {'member_id': ctx.message.author.id}
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content = await config.get_content('deviantart', r_filter)
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# TODO: Ensure the user provided is a real user
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if content is None:
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entry = {'member_id': ctx.message.author.id, 'subbed': [username], 'last_entry': {}}
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await config.add_content('deviantart', entry, r_filter)
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elif username in content[0]['subbed']:
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await self.bot.say("You are already subscribed to that user!")
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else:
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await config.update_content('deviantart', {'subbed': r.row['subbed'].append(username)}, r_filter)
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await self.bot.say("You have just subscribed to {}!".format(username))
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@da.command(pass_context=True, name='unsub', aliases=['delete', 'remove', 'unsubscribe'])
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@checks.custom_perms(send_messages=True)
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async def da_unsub(self, ctx, *, username):
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""""This command can be used to unsub from the specified user"""
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r_filter = {'member_id': ctx.message.author.id}
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content = await config.get_content('deviantart', r_filter)
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if content is None:
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await self.bot.say("You are not subscribed to anyone at the moment!")
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elif username in content[0]['subbed']:
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await config.update_content('deviantart', {'subbed': r.row['subbed'].remove(username)}, r_filter)
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await self.bot.say("You have just unsubscribed from {}!".format(username))
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else:
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await self.bot.say("You are not subscribed to that user!")
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