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from allura.lib.utils import permanent_redirect
from tg import expose
from tg.decorators import with_trailing_slash
from tg import tmpl_context as c

from allura.lib import helpers as h
from allura.controllers import repository
from allura.controllers.feed import FeedController


class BranchBrowser(repository.BranchBrowser, FeedController):

    def __init__(self):
        super().__init__(None)

    def get_feed(self, project, app, user):
        return repository.RepoRootController().get_feed(project, app, user)

    @expose('jinja:forgesvn:templates/svn/index.html')
    @with_trailing_slash
    def index(self, limit=None, page=0, count=0, **kw):
        is_empty = c.app.repo.is_empty()
        latest = c.app.repo.latest(branch=self._branch)
        if is_empty or not latest:
            return dict(allow_fork=False, log=[], is_empty=is_empty)
        permanent_redirect(h.urlquote(c.app.repo.url_for_commit(c.app.default_branch_name) + 'tree/'))

    @expose()
    def _lookup(self, rev, *remainder):
        return repository.CommitBrowser(rev), remainder