src/web/wiki.py

   1 #!/usr/bin/python3
   2
   3 import tornado.web
   4
   5 from . import auth
   6 from . import base
   7 from . import ui_modules
   8
   9 class PageHandler(auth.CacheMixin, base.BaseHandler):
  10         @property
  11         def action(self):
  12                 return self.get_argument("action", None)
  13
  14         def write_error(self, status_code, **kwargs):
  15                 # Render a custom page for 404
  16                 if status_code == 404:
  17                         self.render("wiki/404.html", **kwargs)
  18                         return
  19
  20                 # Otherwise raise this to one layer above
  21                 super().write_error(status_code, **kwargs)
  22
  23         @tornado.web.removeslash
  24         def get(self, page):
  25                 page = self.backend.wiki.get_page(page)
  26
  27                 # Edit
  28                 if self.action == "edit":
  29                         if not self.current_user:
  30                                 raise tornado.web.HTTPError(401)
  31
  32                         # Empty page if it was deleted
  33                         if page.was_deleted():
  34                                 page = None
  35
  36                         # Render login
  37                         return self.render("wiki/edit.html", page=page)
  38
  39                 # If the page does not exist, we send 404
  40                 if not page or page.was_deleted():
  41                         raise tornado.web.HTTPError(404)
  42
  43                 # Fetch the latest revision
  44                 latest_revision = page.get_latest_revision()
  45
  46                 # Render page
  47                 self.render("wiki/page.html", page=page, latest_revision=latest_revision)
  48
  49         @tornado.web.authenticated
  50         def post(self):
  51                 page = self.get_argument("page")
  52
  53                 content = self.get_argument("content", None)
  54                 changes = self.get_argument("changes")
  55
  56                 # Delete the page if content is empty
  57                 if not content:
  58                         with self.db.transaction():
  59                                 self.backend.wiki.delete_page(page, self.current_user)
  60
  61                         self.redirect("/")
  62                         return
  63
  64                 # Create a new page in the database
  65                 with self.db.transaction():
  66                         page = self.backend.wiki.create_page(page,
  67                                 self.current_user, content, changes=changes)
  68
  69                 # Redirect
  70                 self.redirect(page.url)
  71
  72
  73 class SearchHandler(auth.CacheMixin, base.BaseHandler):
  74         @base.blacklisted
  75         def get(self):
  76                 q = self.get_argument("q")
  77
  78                 pages = self.backend.wiki.search(q, limit=50)
  79                 if not pages:
  80                         raise tornado.web.HTTPError(404, "Nothing found")
  81
  82                 self.render("wiki/search-results.html", q=q, pages=pages)
  83
  84
  85 class RecentChangesHandler(auth.CacheMixin, base.BaseHandler):
  86         def get(self):
  87                 recent_changes = self.backend.wiki.get_recent_changes(limit=50)
  88
  89                 self.render("wiki/recent-changes.html", recent_changes=recent_changes)
  90
  91
  92 class WikiListModule(ui_modules.UIModule):
  93         def render(self, pages, show_changes=False):
  94                 return self.render_string("wiki/modules/list.html",
  95                         pages=pages, show_changes=show_changes)
  96
  97
  98 class WikiNavbarModule(ui_modules.UIModule):
  99         def render(self, page, suffix=None):
 100                 breadcrumbs = self.backend.wiki.make_breadcrumbs(page.url)
 101
 102                 return self.render_string("wiki/modules/navbar.html",
 103                         breadcrumbs=breadcrumbs, page_title=page.title, suffix=suffix)