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Location: kallithea/rhodecode/controllers/changelog.py
8898a79ac628
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text/x-python
Implement all CRUD API operation for repo
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"""
rhodecode.controllers.changelog
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
changelog controller for rhodecode
:created_on: Apr 21, 2010
:author: marcink
:copyright: (C) 2009-2011 Marcin Kuzminski <marcin@python-works.com>
:license: GPLv3, see COPYING for more details.
"""
# 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 3 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, see <http://www.gnu.org/licenses/>.
import logging
try:
import json
except ImportError:
#python 2.5 compatibility
import simplejson as json
from mercurial import graphmod
from pylons import request, session, tmpl_context as c
from rhodecode.lib.auth import LoginRequired, HasRepoPermissionAnyDecorator
from rhodecode.lib.base import BaseRepoController, render
from rhodecode.lib.helpers import RepoPage
log = logging.getLogger(__name__)
class ChangelogController(BaseRepoController):
@LoginRequired()
@HasRepoPermissionAnyDecorator('repository.read', 'repository.write',
'repository.admin')
def __before__(self):
super(ChangelogController, self).__before__()
c.affected_files_cut_off = 60
def index(self):
limit = 100
default = 20
if request.params.get('size'):
try:
int_size = int(request.params.get('size'))
except ValueError:
int_size = default
int_size = int_size if int_size <= limit else limit
c.size = int_size
session['changelog_size'] = c.size
session.save()
else:
c.size = int(session.get('changelog_size', default))
p = int(request.params.get('page', 1))
branch_name = request.params.get('branch', None)
c.total_cs = len(c.rhodecode_repo)
c.pagination = RepoPage(c.rhodecode_repo, page=p,
item_count=c.total_cs, items_per_page=c.size,
branch_name=branch_name)
self._graph(c.rhodecode_repo, c.total_cs, c.size, p)
return render('changelog/changelog.html')
def changelog_details(self, cs):
if request.environ.get('HTTP_X_PARTIAL_XHR'):
c.cs = c.rhodecode_repo.get_changeset(cs)
return render('changelog/changelog_details.html')
def _graph(self, repo, repo_size, size, p):
"""
Generates a DAG graph for mercurial
:param repo: repo instance
:param size: number of commits to show
:param p: page number
"""
if not repo.revisions:
c.jsdata = json.dumps([])
return
revcount = min(repo_size, size)
offset = 1 if p == 1 else ((p - 1) * revcount + 1)
try:
rev_end = repo.revisions.index(repo.revisions[(-1 * offset)])
except IndexError:
rev_end = repo.revisions.index(repo.revisions[-1])
rev_start = max(0, rev_end - revcount)
data = []
rev_end += 1
if repo.alias == 'git':
for _ in xrange(rev_start, rev_end):
vtx = [0, 1]
edges = [[0, 0, 1]]
data.append(['', vtx, edges])
elif repo.alias == 'hg':
revs = list(reversed(xrange(rev_start, rev_end)))
c.dag = graphmod.colored(graphmod.dagwalker(repo._repo, revs))
for (id, type, ctx, vtx, edges) in c.dag:
if type != graphmod.CHANGESET:
continue
data.append(['', vtx, edges])
c.jsdata = json.dumps(data)
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