]> git.ipfire.org Git - ipfire.org.git/blobdiff - src/backend/blog.py
blog: Add drafts section
[ipfire.org.git] / src / backend / blog.py
index 3b02acf18e6fb641b22d6bcbd6c9d657d31642f5..89a8d5e9914793d1020f60c4ae7d32234853e284 100644 (file)
@@ -1,5 +1,11 @@
 #!/usr/bin/python
 
+import datetime
+import feedparser
+import re
+import textile
+import unicodedata
+
 from . import misc
 
 class Blog(misc.Object):
@@ -36,12 +42,32 @@ class Blog(misc.Object):
                                AND %s = ANY(tags) \
                        ORDER BY published_at DESC LIMIT %s", tag, limit)
 
-       def get_by_author(self, uid, limit=None):
+       def get_by_author(self, author, limit=None):
+               return self._get_posts("SELECT * FROM blog \
+                       WHERE (author = %s OR author_uid = %s) \
+                               AND published_at IS NOT NULL \
+                               AND published_at <= NOW() \
+                       ORDER BY published_at DESC LIMIT %s",
+                       author.name, author.uid, limit)
+
+       def get_by_year(self, year):
                return self._get_posts("SELECT * FROM blog \
-                       WHERE author_uid = %s \
+                       WHERE EXTRACT(year FROM published_at) = %s \
                                AND published_at IS NOT NULL \
                                AND published_at <= NOW() \
-                       ORDER BY published_at DESC LIMIT %s", uid, limit)
+                       ORDER BY published_at DESC", year)
+
+       def get_drafts(self, author=None, limit=None):
+               if author:
+                       return self._get_posts("SELECT * FROM blog \
+                               WHERE author_uid = %s \
+                                       AND (published_at IS NULL OR published_at > NOW()) \
+                               ORDER BY COALESCE(updated_at, created_at) DESC LIMIT %s",
+                               author.uid, limit)
+
+               return self._get_posts("SELECT * FROM blog \
+                       WHERE (published_at IS NULL OR published_at > NOW()) \
+                       ORDER BY COALESCE(updated_at, created_at) DESC LIMIT %s", limit)
 
        def search(self, query, limit=None):
                return self._get_posts("SELECT blog.* FROM blog \
@@ -50,6 +76,35 @@ class Blog(misc.Object):
                                ORDER BY ts_rank(search_index.document, to_tsquery('english', %s)) DESC \
                        LIMIT %s", query, query, limit)
 
+       def create_post(self, title, text, author, tags=[]):
+               """
+                       Creates a new post and returns the resulting Post object
+               """
+               return self._get_post("INSERT INTO blog(title, slug, text, author_uid, tags) \
+                       VALUES(%s, %s, %s, %s, %s) RETURNING *", title, self._make_slug(title),
+                       text, author.uid, list(tags))
+
+       def _make_slug(self, s):
+               # Remove any non-ASCII characters
+               try:
+                       s = unicodedata.normalize("NFKD", s)
+               except TypeError:
+                       pass
+
+               # Remove excessive whitespace
+               s = re.sub(r"[^\w]+", " ", s)
+
+               slug = "-".join(s.split()).lower()
+
+               while True:
+                       e = self.db.get("SELECT 1 FROM blog WHERE slug = %s", slug)
+                       if not e:
+                               break
+
+                       slug += "-"
+
+               return slug
+
        def refresh(self):
                """
                        Needs to be called after a post has been changed
@@ -57,16 +112,98 @@ class Blog(misc.Object):
                """
                self.db.execute("REFRESH MATERIALIZED VIEW blog_search_index")
 
+       @property
+       def years(self):
+               res = self.db.query("SELECT DISTINCT EXTRACT(year FROM published_at)::integer AS year \
+                       FROM blog WHERE published_at IS NOT NULL AND published_at <= NOW() \
+                       ORDER BY year DESC")
+
+               for row in res:
+                       yield row.year
+
+       def update_feeds(self):
+               """
+                       Updates all enabled feeds
+               """
+               for feed in self.db.query("SELECT * FROM blog_feeds WHERE enabled IS TRUE"):
+                       try:
+                               f = feedparser.parse(feed.url)
+                       except Exception as e:
+                               raise e
+
+                       with self.db.transaction():
+                               # Update name
+                               self.db.execute("UPDATE blog_feeds SET name = %s \
+                                       WHERE id = %s", f.feed.title, feed.id)
+
+                               # Walk through all entries
+                               for entry in f.entries:
+                                       # Skip everything without the "blog.ipfire.org" tag
+                                       try:
+                                               tags = list((t.term for t in entry.tags))
+
+                                               if not "blog.ipfire.org" in tags:
+                                                       continue
+                                       except AttributeError:
+                                               continue
+
+                                       # Get link to the posting site
+                                       link = entry.links[0].href
+
+                                       # Check if the entry has already been imported
+                                       res = self.db.get("SELECT id, (updated_at < %s) AS needs_update \
+                                                       FROM blog WHERE feed_id = %s AND foreign_id = %s",
+                                                       entry.updated, feed.id, entry.id)
+                                       if res:
+                                               # If the post needs to be updated, we do so
+                                               if res.needs_update:
+                                                       self.db.execute("UPDATE blog SET title = %s, author = %s, \
+                                                               published_at = %s, updated_at = %s, html = %s, link = %s, \
+                                                               tags = %s WHERE id = %s", entry.title, entry.author,
+                                                               entry.published, entry.updated, entry.summary, link,
+                                                               feed.tags + tags, res.id)
+
+                                               # Done here
+                                               continue
+
+                                       # Insert the new post
+                                       self.db.execute("INSERT INTO blog(title, slug, author, \
+                                               published_at, html, link, tags, updated_at, feed_id, foreign_id) \
+                                               VALUES(%s, %s, %s, %s, %s, %s, %s, %s, %s, %s)",
+                                               entry.title, self._make_slug(entry.title), entry.author,
+                                               entry.published, entry.summary, link, feed.tags + tags,
+                                               entry.updated, feed.id, entry.id)
+
+                               # Mark feed as updated
+                               self.db.execute("UPDATE blog_feeds SET last_updated_at = CURRENT_TIMESTAMP \
+                                       WHERE id = %s" % feed.id)
+
+               # Refresh the search index
+               with self.db.transaction():
+                       self.refresh()
+
 
 class Post(misc.Object):
        def init(self, id, data=None):
                self.id   = id
                self.data = data
 
-       @property
-       def title(self):
+       # Title
+
+       def get_title(self):
                return self.data.title
 
+       def set_title(self, title):
+               self.db.execute("UPDATE blog SET title = %s \
+                       WHERE id = %s", title, self.id)
+
+               # Update slug if post is not published, yet
+               if not self.is_published():
+                       self.db.execute("UPDATE blog SET slug = %s \
+                               WHERE id = %s", self.backend.blog._make_slug(title), self.id)
+
+       title = property(get_title, set_title)
+
        @property
        def slug(self):
                return self.data.slug
@@ -77,25 +214,84 @@ class Post(misc.Object):
                if self.data.author_uid:
                        return self.backend.accounts.get_by_uid(self.data.author_uid)
 
+               return self.data.author
+
        @property
        def created_at(self):
                return self.data.created_at
 
+       # Published?
+
        @property
        def published_at(self):
                return self.data.published_at
 
+       def is_published(self):
+               """
+                       Returns True if the post is already published
+               """
+               return self.published_at and self.published_at <= datetime.datetime.now()
+
+       def publish(self):
+               if self.is_published():
+                       return
+
+               self.db.execute("UPDATE blog SET published_at = NOW() \
+                       WHERE id = %s", self.id)
+
+               # Update search indices
+               self.backend.blog.refresh()
+
+       # Updated?
+
+       @property
+       def updated_at(self):
+               return self.data.updated_at
+
+       def updated(self):
+               self.db.execute("UPDATE blog SET updated_at = NOW() \
+                       WHERE id = %s", self.id)
+
+               # Update search indices
+               self.backend.blog.refresh()
+
+       # Text
+
+       def get_text(self):
+               return self.data.text
+
+       def set_text(self, text):
+               self.db.execute("UPDATE blog SET text = %s \
+                       WHERE id = %s", text, self.id)
+
+       text = property(get_text, set_text)
+
+       # HTML
+
        @property
        def html(self):
                """
                        Returns this post as rendered HTML
                """
-               return self.data.html
+               return self.data.html or textile.textile(self.text.decode("utf-8"))
 
-       @property
-       def tags(self):
+       # Tags
+
+       def get_tags(self):
                return self.data.tags
 
+       def set_tags(self, tags):
+               self.db.execute("UPDATE blog SET tags = %s \
+                       WHERE id = %s", list(tags), self.id)
+
+       tags = property(get_tags, set_tags)
+
        @property
        def link(self):
                return self.data.link
+
+       # XXX needs caching
+       @property
+       def release(self):
+               return self.backend.releases._get_release("SELECT * FROM releases \
+                       WHERE published IS NOT NULL AND published <= NOW() AND blog_id = %s", self.id)