web/views/bookmark.py
author sylvain.thenault@logilab.fr
Wed, 11 Mar 2009 11:17:45 +0100
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"""Primary view for bookmarks + user's bookmarks box
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:organization: Logilab
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:copyright: 2001-2008 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
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:contact: http://www.logilab.fr/ -- mailto:contact@logilab.fr
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"""
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__docformat__ = "restructuredtext en"
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from logilab.mtconverter import html_escape
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from cubicweb import Unauthorized
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from cubicweb.selectors import implements
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from cubicweb.web.htmlwidgets import BoxWidget, BoxMenu, RawBoxItem
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from cubicweb.web.action import Action
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from cubicweb.web.box import UserRQLBoxTemplate
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from cubicweb.web.views.baseviews import PrimaryView
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class FollowAction(Action):
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    id = 'follow'
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    __select__ = implements('Bookmark')
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    title = _('follow')
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    category = 'mainactions'
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    def url(self):
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        return self.rset.get_entity(self.row or 0, self.col or 0).actual_url()
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class BookmarkPrimaryView(PrimaryView):
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    __select__ = implements('Bookmark')
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    def cell_call(self, row, col):
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        """the primary view for bookmark entity"""
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        entity = self.complete_entity(row, col)
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        self.w(u'&nbsp;')
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        self.w(u"<span class='title'><b>")
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        self.w(u"%s : %s" % (self.req._('Bookmark'), html_escape(entity.title)))
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        self.w(u"</b></span>")
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        self.w(u'<br/><br/><div class="content"><a href="%s">' % (
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            html_escape(entity.actual_url())))
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        self.w(u'</a>')
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        self.w(u'<p>%s%s</p>' % (self.req._('Used by:'), ', '.join(html_escape(u.name())
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                                                                   for u in entity.bookmarked_by)))
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        self.w(u'</div>')
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class BookmarksBox(UserRQLBoxTemplate):
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    """display a box containing all user's bookmarks"""
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    id = 'bookmarks_box'
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    order = 40
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    title = _('bookmarks')
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    rql = ('Any B,T,P ORDERBY lower(T) '
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           'WHERE B is Bookmark,B title T, B path P, B bookmarked_by U, '
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           'U eid %(x)s')
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    etype = 'Bookmark'
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    rtype = 'bookmarked_by'
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    def call(self, **kwargs):
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        req = self.req
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        ueid = req.user.eid
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        try:
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            rset = req.execute(self.rql, {'x': ueid})
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        except Unauthorized:
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            # can't access to something in the query, forget this box
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            return
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        box = BoxWidget(req._(self.title), self.id)
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        box.listing_class = 'sideBox'
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        rschema = self.schema.rschema(self.rtype)
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        eschema = self.schema.eschema(self.etype)
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        candelete = rschema.has_perm(req, 'delete', toeid=ueid)
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        if candelete:
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            req.add_js( ('cubicweb.ajax.js', 'cubicweb.bookmarks.js') )
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        else:
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            dlink = None
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        for bookmark in rset.entities():
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            label = '<a href="%s">%s</a>' % (html_escape(bookmark.action_url()),
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                                             html_escape(bookmark.title))
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            if candelete:
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                dlink = u'[<a href="javascript:removeBookmark(%s)" title="%s">-</a>]' % (
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                    bookmark.eid, _('delete this bookmark'))
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                label = '%s %s' % (dlink, label)
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            box.append(RawBoxItem(label))
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        if eschema.has_perm(req, 'add') and rschema.has_perm(req, 'add', toeid=ueid):
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            boxmenu = BoxMenu(req._('manage bookmarks'))
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            linkto = 'bookmarked_by:%s:subject' % ueid
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            # use a relative path so that we can move the application without
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            # loosing bookmarks
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            path = req.relative_path()
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            url = self.create_url(self.etype, __linkto=linkto, path=path)
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            boxmenu.append(self.mk_action(req._('bookmark this page'), url,
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                                          category='manage', id='bookmark'))
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            if rset:
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                if req.user.is_in_group('managers'):
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                    bookmarksrql = 'Bookmark B WHERE B bookmarked_by U, U eid %s' % ueid
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                    erset = rset
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                else:
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                    # we can't edit shared bookmarks we don't own
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                    bookmarksrql = 'Bookmark B WHERE B bookmarked_by U, B owned_by U, U eid %(x)s'
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                    erset = req.execute(bookmarksrql, {'x': ueid}, 'x',
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                                                build_descr=False)
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                    bookmarksrql %= {'x': ueid}
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                if erset:
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                    url = self.build_url(vid='muledit', rql=bookmarksrql)
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                    boxmenu.append(self.mk_action(self.req._('edit bookmarks'), url, category='manage'))
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            url = req.user.absolute_url(vid='xaddrelation', rtype='bookmarked_by',
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                                        target='subject')
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            boxmenu.append(self.mk_action(self.req._('pick existing bookmarks'), url, category='manage'))
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            box.append(boxmenu)
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        if not box.is_empty():
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            box.render(self.w)