import traceback

from pylons import request, url, session, tmpl_context as c

from pylons.controllers.util import redirect

from pylons.i18n.translation import _

import rhodecode.lib.helpers as h

from rhodecode.lib.auth import LoginRequired, HasRepoPermissionAnyDecorator

from rhodecode.lib.base import BaseRepoController, render

from rhodecode.lib.helpers import RepoPage

from rhodecode.lib.compat import json

from rhodecode.lib.graphmod import _colored, _dagwalker

from rhodecode.lib.utils2 import safe_int

log = logging.getLogger(__name__)

class ChangelogController(BaseRepoController):

    @LoginRequired()

    @HasRepoPermissionAnyDecorator('repository.read', 'repository.write',

                                   'repository.admin')

    def __before__(self):

        super(ChangelogController, self).__before__()

                                                    branch_name=branch_name)]

                c.total_cs = len(collection)

            else:

                collection = c.rhodecode_repo

                c.total_cs = len(c.rhodecode_repo)

            c.pagination = RepoPage(collection, page=p, item_count=c.total_cs,

                                    items_per_page=c.size, branch=branch_name)

            collection = list(c.pagination)

            page_revisions = [x.raw_id for x in collection]

            c.comments = c.rhodecode_db_repo.get_comments(page_revisions)

            c.statuses = c.rhodecode_db_repo.statuses(page_revisions)

        except (RepositoryError, ChangesetDoesNotExistError, Exception), e:

            log.error(traceback.format_exc())

            h.flash(str(e), category='error')

            return redirect(url('changelog_home', repo_name=c.repo_name))

        self._graph(c.rhodecode_repo, collection, c.total_cs, c.size, p)

        c.branch_name = branch_name

        c.branch_filters = [('', _('All Branches'))] + \

            [(k, k) for k in c.rhodecode_repo.branches.keys()]

        return render('changelog/changelog.html')