diff options
Diffstat (limited to 'readdb.py')
| -rw-r--r-- | readdb.py | 32 |
1 files changed, 31 insertions, 1 deletions
@@ -46,7 +46,7 @@ class BookmarkManager: def _populate_bookmarks(self): # TODO: Figure out if caching the entire set of bookmarks is a good idea or not - self._cur.execute('select * from bookmarks where md5=?', (self._filehash,)) + self._cur.execute('select * from bookmarks where md5=? order by page', (self._filehash,)) for row in self._cur: self._bookmarks.append(Bookmark(row)) @@ -63,3 +63,33 @@ class BookmarkManager: # To be called when a new bookmark has been added/removed self._bookmarks = [] self._populate_bookmarks() + + + def get_prev_bookmark_for_page(self, page, wrap = True): + if not len(self._bookmarks): + return None + + if page <= self._bookmarks[0].page_no and wrap: + return self._bookmarks[-1] + else: + for i in range(page-1, -1, -1): + for bookmark in self._bookmarks: + if bookmark.belongstopage(i): + return bookmark + + return None + + + def get_next_bookmark_for_page(self, page, wrap = True): + if not len(self._bookmarks): + return None + + if page >= self._bookmarks[-1].page_no and wrap: + return self._bookmarks[0] + else: + for i in range(page+1, self._bookmarks[-1].page_no + 1): + for bookmark in self._bookmarks: + if bookmark.belongstopage(i): + return bookmark + + return None |