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import datetime
import requests
from flask import redirect, url_for
from werkzeug.exceptions import NotFound
from pysite.base_route import RouteView
from pysite.constants import EDITOR_ROLES, WIKI_AUDIT_WEBHOOK
from pysite.decorators import csrf, require_roles
from pysite.mixins import DBMixin
class DeleteView(RouteView, DBMixin):
path = "/delete/<path:page>" # "path" means that it accepts slashes
name = "delete"
table_name = "wiki"
revision_table_name = "wiki_revisions"
@require_roles(*EDITOR_ROLES)
def get(self, page):
obj = self.db.get(self.table_name, page)
if obj:
title = obj.get("title", "")
if obj.get("lock_expiry") and obj.get("lock_user") != self.user_data.get("user_id"):
lock_time = datetime.datetime.fromtimestamp(obj["lock_expiry"])
if datetime.datetime.utcnow() < lock_time:
return self.render("wiki/page_in_use.html", page=page)
return self.render("wiki/page_delete.html", page=page, title=title, can_edit=True)
else:
raise NotFound()
@require_roles(*EDITOR_ROLES)
@csrf
def post(self, page):
obj = self.db.get(self.table_name, page)
if not obj:
raise NotFound()
self.db.delete(self.table_name, page)
self.db.delete(self.revision_table_name, page)
revisions = self.db.filter(self.revision_table_name, lambda revision: revision["slug"] == page)
for revision in revisions:
self.db.delete(self.revision_table_name, revision["id"])
self.audit_log(obj)
return redirect(url_for("wiki.page", page="home"), code=303) # Redirect, ensuring a GET
def audit_log(self, obj):
if WIKI_AUDIT_WEBHOOK: # If the audit webhook is not configured there is no point processing it
audit_payload = {
"username": "Wiki Updates",
"embeds": [
{
"title": "Page Deletion",
"description": f"**{obj['title']}** was deleted by **{self.user_data.get('username')}**",
"color": 4165079,
"timestamp": datetime.datetime.utcnow().isoformat(),
"thumbnail": {
"url": "https://pythondiscord.com/static/logos/logo_discord.png"
}
}
]
}
requests.post(WIKI_AUDIT_WEBHOOK, json=audit_payload)
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