~loggerhead-team/loggerhead/trunk-rich

#

# Copyright (C) 2008, 2009 Canonical Ltd.

# Copyright (C) 2006  Robey Pointer <robey@lag.net>

# Copyright (C) 2006  Goffredo Baroncelli <kreijack@inwind.it>

#

# This program is free software; you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation; either version 2 of the License, or

# (at your option) any later version.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program; if not, write to the Free Software

# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

#

import urllib

import simplejson

from paste.httpexceptions import HTTPServerError

from loggerhead import util

from loggerhead.controllers import TemplatedBranchView

class ChangeLogUI(TemplatedBranchView):

    template_path = 'loggerhead.templates.changelog'

    def get_values(self, path, kwargs, headers):

        history = self._history

        revid = self.get_revid()

        filter_file_id = kwargs.get('filter_file_id', None)

        query = kwargs.get('q', None)

        start_revid = history.fix_revid(kwargs.get('start_revid', None))

        orig_start_revid = start_revid

        pagesize = 20#int(config.get('pagesize', '20'))

        search_failed = False

        if filter_file_id is None and path is not None:

            filter_file_id = history.get_file_id(revid, path)

        try:

            revid, start_revid, revid_list = history.get_view(

                revid, start_revid, filter_file_id, query,

                extra_rev_count=pagesize+1)

            util.set_context(kwargs)

            if (query is not None) and (len(revid_list) == 0):

                search_failed = True

            if len(revid_list) == 0:

                scan_list = revid_list

            else:

                if revid in revid_list: # XXX is this always true?

                    i = revid_list.index(revid)

                else:

                    i = None

                scan_list = revid_list[i:]

            change_list = scan_list[:pagesize]

            changes = list(history.get_changes(change_list))

            data = {}

            for i, c in enumerate(changes):

                c.index = i

                data[str(i)] = urllib.quote(urllib.quote(c.revid, safe=''))

        except:

            self.log.exception('Exception fetching changes')

            raise HTTPServerError('Could not fetch changes')

        navigation = util.Container(

            pagesize=pagesize, revid=revid, start_revid=start_revid,

            revid_list=revid_list, filter_file_id=filter_file_id,

            scan_url='/changes', branch=self._branch, feed=True, history=history)

        if query is not None:

            navigation.query = query

        util.fill_in_navigation(navigation)

        # Directory Breadcrumbs

        directory_breadcrumbs = (

            util.directory_breadcrumbs(

                self._branch.friendly_name,

                self._branch.is_root,

                'changes'))

        show_tag_col = False

        for change in changes:

            if change.tags is not None:

                show_tag_col = True

                break

        return {

            'branch': self._branch,

            'changes': changes,

            'show_tag_col': show_tag_col,

            'data': simplejson.dumps(data),

            'util': util,

            'history': history,

            'revid': revid,

            'navigation': navigation,

            'filter_file_id': filter_file_id,

            'start_revid': start_revid,

            'viewing_from': (orig_start_revid is not None) and

                            (orig_start_revid != history.last_revid),

            'query': query,

            'search_failed': search_failed,

            'url': self._branch.context_url,

            'directory_breadcrumbs': directory_breadcrumbs,

        }