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import urllib
import abc
import json
from .db import get_db
from flask import url_for, flash
def abridge_post(text):
MAXLEN = 20
if len(text) > MAXLEN+3:
return text[:MAXLEN]+"..."
else:
return text
webhook_types = {}
def webhook_type(t):
def inner(cls):
webhook_types[t] = cls
return cls
return inner
class WebhookType(abc.ABC):
def __init__(self, url):
self.url = url
@abc.abstractmethod
def on_new_thread(self,thread):
pass
@abc.abstractmethod
def on_new_post(self,post):
pass
def get_webhooks(forum_id):
db = get_db()
# todo inheritance (if needed)
webhooks = db.execute("select * from webhooks where webhooks.forum = ?;",(forum_id,)).fetchall()
for wh in webhooks:
wh_type = wh['type']
if wh_type not in webhook_types:
print(f"unknown webhook type {wh_type}")
continue
wh_url = wh['url']
wo = webhook_types[wh_type](wh_url)
yield wo
def do_webhooks_thread(forum_id,thread):
for wh in get_webhooks(forum_id):
wh.on_new_thread(thread)
def do_webhooks_post(forum_id,post):
for wh in get_webhooks(forum_id):
wh.on_new_post(post)
@webhook_type("fake")
class FakeWebhook(WebhookType):
def on_new_post(self, post):
print(f'fake wh {self.url} post {post["id"]}')
def on_new_thread(self, thread):
print(f'fake wh {self.url} thread {thread["id"]}')
@webhook_type("discord")
class DiscordWebhook(WebhookType):
def send(self,payload):
headers = {
"User-Agent":"apioforum (https://g.gh0.pw/apioforum, v0.0)",
"Content-Type":"application/json",
}
req = urllib.request.Request(
self.url,
json.dumps(payload).encode("utf-8"),
headers
)
# todo: read response and things
urllib.request.urlopen(req)
#try:
# res = urllib.request.urlopen(req)
#except urllib.error.HTTPError as e:
# print(f"error {e.code} {e.read()}")
#else:
# print(f"succ {res.read()}")
@staticmethod
def field(name,value):
return {"name":name,"value":value,"inline":True}
def on_new_thread(self,thread):
f = self.field
db = get_db()
forum = db.execute("select * from forums where id = ?",(thread['forum'],)).fetchone()
username = thread['creator']
userpage = url_for('user.view_user',username=username,_external=True)
forumpage = url_for('forum.view_forum',forum_id=forum['id'],_external=True)
post = db.execute("select * from posts where thread = ? order by id asc limit 1",(thread['id'],)).fetchone()
payload = {
"username":"apioforum",
"avatar_url":"https://d.gh0.pw/lib/exe/fetch.php?media=wiki:logo.png",
"embeds":[
{
"title":"new thread: "+thread['title'],
"description":abridge_post(post['content']),
"url": url_for('thread.view_thread',thread_id=thread['id'],_external=True),
"color": 0xff00ff,
"fields":[
f('author',f"[{username}]({userpage})"),
f('forum',f"[{forum['name']}]({forumpage})"),
],
"footer":{
"text":thread['created'].isoformat(' '),
},
},
],
}
self.send(payload)
def on_new_post(self,post):
from .thread import post_jump
f = self.field
db = get_db()
thread = db.execute("select * from threads where id = ?",(post['thread'],)).fetchone()
threadpage = url_for('thread.view_thread',thread_id=thread['id'],_external=True)
forum = db.execute("select * from forums where id = ?",(thread['forum'],)).fetchone()
forumpage = url_for('forum.view_forum',forum_id=forum['id'],_external=True)
username = post['author']
userpage = url_for('user.view_user',username=username,_external=True)
payload = {
"username":"apioforum",
"avatar_url":"https://d.gh0.pw/lib/exe/fetch.php?media=wiki:logo.png",
"embeds":[
{
"title":"re: "+thread['title'],
"description":abridge_post(post['content']),
"url": post_jump(post['id'],external=True),
"color": 0x00ffff,
"fields":[
f('author',f"[{username}]({userpage})"),
f('thread',f"[{thread['title']}]({threadpage})"),
f('forum',f"[{forum['name']}]({forumpage})"),
],
"footer":{
"text":post['created'].isoformat(' '),
},
},
],
}
self.send(payload)
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