# -*- coding: utf-8 -*-

"""

    rhodecode.controllers.files

    ~~~~~~~~~~~~~~~~~~~~~~~~~~~

    Files controller for RhodeCode

    :created_on: Apr 21, 2010

    :author: marcink

    :copyright: (C) 2010-2012 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/>.

from __future__ import with_statement

import os

import logging

import traceback

import tempfile

import shutil

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

from pylons.i18n.translation import _

from pylons.controllers.util import redirect

from rhodecode.lib import diffs

from rhodecode.lib import helpers as h

from rhodecode.lib.compat import OrderedDict

from rhodecode.lib.utils2 import convert_line_endings, detect_mode, safe_str,\

    str2bool

from rhodecode.lib.auth import LoginRequired, HasRepoPermissionAnyDecorator

from rhodecode.lib.base import BaseRepoController, render

from rhodecode.lib.vcs.backends.base import EmptyChangeset

from rhodecode.lib.vcs.conf import settings

from rhodecode.lib.vcs.exceptions import RepositoryError, \

    ChangesetDoesNotExistError, EmptyRepositoryError, \

    ImproperArchiveTypeError, VCSError, NodeAlreadyExistsError,\

    NodeDoesNotExistError, ChangesetError, NodeError

from rhodecode.lib.vcs.nodes import FileNode

from rhodecode.model.repo import RepoModel

from rhodecode.model.scm import ScmModel

from rhodecode.model.db import Repository

from rhodecode.controllers.changeset import anchor_url, _ignorews_url,\

    _context_url, get_line_ctx, get_ignore_ws

from webob.exc import HTTPNotFound

from rhodecode.lib.exceptions import NonRelativePathError

log = logging.getLogger(__name__)

class FilesController(BaseRepoController):

    def __before__(self):

        super(FilesController, self).__before__()

        c.cut_off_limit = self.cut_off_limit

    def __get_cs_or_redirect(self, rev, repo_name, redirect_after=True):

        """

        Safe way to get changeset if error occur it redirects to tip with

        proper message

        :param rev: revision to fetch

        :param repo_name: repo name to redirect after

        """

        try:

            return c.rhodecode_repo.get_changeset(rev)

        except EmptyRepositoryError, e:

            if not redirect_after:

                return None

            url_ = url('files_add_home',

                       repo_name=c.repo_name,

                       revision=0, f_path='')

            add_new = h.link_to(_('Click here to add new file'), url_)

            h.flash(h.literal(_('There are no files yet %s') % add_new),

                    category='warning')

            redirect(h.url('summary_home', repo_name=repo_name))

        except RepositoryError, e:  # including ChangesetDoesNotExistError

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

            raise HTTPNotFound()

    def __get_filenode_or_redirect(self, repo_name, cs, path):

        """

        Returns file_node, if error occurs or given path is directory,

        it'll redirect to top level path

        :param repo_name: repo_name

        :param cs: given changeset

        :param path: path to lookup

        """

        try:

            file_node = cs.get_node(path)

            if file_node.is_dir():

                raise RepositoryError('given path is a directory')

        except RepositoryError, e:

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

            raise HTTPNotFound()

        return file_node

    @LoginRequired()

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

                                   'repository.admin')

    def index(self, repo_name, revision, f_path, annotate=False):

        # redirect to given revision from form if given

        post_revision = request.POST.get('at_rev', None)

        if post_revision:

            cs = self.__get_cs_or_redirect(post_revision, repo_name)

        c.changeset = self.__get_cs_or_redirect(revision, repo_name)

        c.branch = request.GET.get('branch', None)

        c.f_path = f_path

        c.annotate = annotate

        c.changeset = self.__get_cs_or_redirect(revision, repo_name)

        cur_rev = c.changeset.revision

        # prev link

        try:

            prev_rev = c.rhodecode_repo.get_changeset(cur_rev).prev(c.branch)

            c.url_prev = url('files_home', repo_name=c.repo_name,

                         revision=prev_rev.raw_id, f_path=f_path)

            if c.branch:

                c.url_prev += '?branch=%s' % c.branch

        except (ChangesetDoesNotExistError, VCSError):

            c.url_prev = '#'

        # next link

        try:

            next_rev = c.rhodecode_repo.get_changeset(cur_rev).next(c.branch)

            c.url_next = url('files_home', repo_name=c.repo_name,

                     revision=next_rev.raw_id, f_path=f_path)

            if c.branch:

                c.url_next += '?branch=%s' % c.branch

        except (ChangesetDoesNotExistError, VCSError):

            c.url_next = '#'

        # files or dirs

        try:

            c.file = c.changeset.get_node(f_path)

            if c.file.is_file():

                c.load_full_history = False

                file_last_cs = c.file.last_changeset

                c.file_changeset = (c.changeset

                                    if c.changeset.revision < file_last_cs.revision

                                    else file_last_cs)

                #determine if we're on branch head

                _branches = c.rhodecode_repo.branches

                c.on_branch_head = revision in _branches.keys() + _branches.values()

                _hist = []

                c.file_history = []

                if c.load_full_history:

                    c.file_history, _hist = self._get_node_history(c.changeset, f_path)

                c.authors = []

                for a in set([x.author for x in _hist]):

                    c.authors.append((h.email(a), h.person(a)))

            else:

                c.authors = c.file_history = []

        except RepositoryError, e:

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

            raise HTTPNotFound()

        if request.environ.get('HTTP_X_PARTIAL_XHR'):

            return render('files/files_ypjax.html')

        return render('files/files.html')

    @LoginRequired()

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

                                   'repository.admin')

    def history(self, repo_name, revision, f_path, annotate=False):

        if request.environ.get('HTTP_X_PARTIAL_XHR'):

            c.changeset = self.__get_cs_or_redirect(revision, repo_name)

            c.f_path = f_path

            c.annotate = annotate

            c.file = c.changeset.get_node(f_path)

            if c.file.is_file():

                file_last_cs = c.file.last_changeset

                c.file_changeset = (c.changeset

                                    if c.changeset.revision < file_last_cs.revision

                                    else file_last_cs)

                c.file_history, _hist = self._get_node_history(c.changeset, f_path)

                c.authors = []

                for a in set([x.author for x in _hist]):

                    c.authors.append((h.email(a), h.person(a)))

                return render('files/files_history_box.html')

    @LoginRequired()

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

                                   'repository.admin')

    def rawfile(self, repo_name, revision, f_path):

        cs = self.__get_cs_or_redirect(revision, repo_name)

        file_node = self.__get_filenode_or_redirect(repo_name, cs, f_path)

        response.content_disposition = 'attachment; filename=%s' % \

            safe_str(f_path.split(Repository.url_sep())[-1])

        response.content_type = file_node.mimetype

        return file_node.content

    @LoginRequired()

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

                                   'repository.admin')

    def raw(self, repo_name, revision, f_path):

        cs = self.__get_cs_or_redirect(revision, repo_name)

        file_node = self.__get_filenode_or_redirect(repo_name, cs, f_path)

        raw_mimetype_mapping = {

            # map original mimetype to a mimetype used for "show as raw"

            sl = old_content.splitlines(1)

            first_line = sl[0] if sl else ''

            # modes:  0 - Unix, 1 - Mac, 2 - DOS

            mode = detect_mode(first_line, 0)

            content = convert_line_endings(r_post.get('content', ''), mode)

            message = r_post.get('message') or c.default_message

            author = self.rhodecode_user.full_contact

            if content == old_content:

                h.flash(_('No changes'), category='warning')

                return redirect(url('changeset_home', repo_name=c.repo_name,

                                    revision='tip'))

            try:

                self.scm_model.commit_change(repo=c.rhodecode_repo,

                                             repo_name=repo_name, cs=c.cs,

                                             user=self.rhodecode_user.user_id,

                                             author=author, message=message,

                                             content=content, f_path=f_path)

                h.flash(_('Successfully committed to %s') % f_path,

                        category='success')

            except Exception:

                log.error(traceback.format_exc())

                h.flash(_('Error occurred during commit'), category='error')

            return redirect(url('changeset_home',

                                repo_name=c.repo_name, revision='tip'))

        return render('files/files_edit.html')

    @LoginRequired()

    @HasRepoPermissionAnyDecorator('repository.write', 'repository.admin')

    def add(self, repo_name, revision, f_path):

        repo = Repository.get_by_repo_name(repo_name)

        if repo.enable_locking and repo.locked[0]:

            h.flash(_('This repository is has been locked by %s on %s')

                % (h.person_by_id(repo.locked[0]),

                   h.fmt_date(h.time_to_datetime(repo.locked[1]))),

                  'warning')

            return redirect(h.url('files_home',

                                  repo_name=repo_name, revision='tip'))

        r_post = request.POST

        c.cs = self.__get_cs_or_redirect(revision, repo_name,

                                         redirect_after=False)

        if c.cs is None:

            c.cs = EmptyChangeset(alias=c.rhodecode_repo.alias)

        c.default_message = (_('Added file via RhodeCode'))

        c.f_path = f_path

        if r_post:

            unix_mode = 0

            content = convert_line_endings(r_post.get('content', ''), unix_mode)

            message = r_post.get('message') or c.default_message

            filename = r_post.get('filename')

            location = r_post.get('location', '')

            file_obj = r_post.get('upload_file', None)

            if file_obj is not None and hasattr(file_obj, 'filename'):

                filename = file_obj.filename

                content = file_obj.file

            if not content:

                h.flash(_('No content'), category='warning')

                return redirect(url('changeset_home', repo_name=c.repo_name,

                                    revision='tip'))

            if not filename:

                h.flash(_('No filename'), category='warning')

                return redirect(url('changeset_home', repo_name=c.repo_name,

                                    revision='tip'))

            #strip all crap out of file, just leave the basename

            filename = os.path.basename(filename)

            node_path = os.path.join(location, filename)

            author = self.rhodecode_user.full_contact

            try:

                nodes = {

                    node_path: {

                        'content': content

                    }

                }

                self.scm_model.create_nodes(

                    user=c.rhodecode_user.user_id, repo=c.rhodecode_db_repo,

                    message=message,

                    nodes=nodes,

                    parent_cs=c.cs,

                    author=author,

                )

                h.flash(_('Successfully committed to %s') % node_path,

                        category='success')

            except NonRelativePathError, e:

                h.flash(_('Location must be relative path and must not '

                          'contain .. in path'), category='warning')

                return redirect(url('changeset_home', repo_name=c.repo_name,

                                    revision='tip'))

            except (NodeError, NodeAlreadyExistsError), e:

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

            except Exception:

                log.error(traceback.format_exc())

                h.flash(_('Error occurred during commit'), category='error')

            return redirect(url('changeset_home',

                                repo_name=c.repo_name, revision='tip'))

        return render('files/files_add.html')

    @LoginRequired()

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

                                   'repository.admin')

    def archivefile(self, repo_name, fname):

        fileformat = None

        revision = None

        ext = None

        subrepos = request.GET.get('subrepos') == 'true'

        for a_type, ext_data in settings.ARCHIVE_SPECS.items():

            archive_spec = fname.split(ext_data[1])

            if len(archive_spec) == 2 and archive_spec[1] == '':

                fileformat = a_type or ext_data[1]

                revision = archive_spec[0]

                ext = ext_data[1]

        try:

            dbrepo = RepoModel().get_by_repo_name(repo_name)

            if not dbrepo.enable_downloads:

                return _('Downloads disabled')

            if c.rhodecode_repo.alias == 'hg':

                # patch and reset hooks section of UI config to not run any

                # hooks on fetching archives with subrepos

                for k, v in c.rhodecode_repo._repo.ui.configitems('hooks'):

                    c.rhodecode_repo._repo.ui.setconfig('hooks', k, None)

            cs = c.rhodecode_repo.get_changeset(revision)

            content_type = settings.ARCHIVE_SPECS[fileformat][0]

        except ChangesetDoesNotExistError:

            return _('Unknown revision %s') % revision

        except EmptyRepositoryError:

            return _('Empty repository')

        except (ImproperArchiveTypeError, KeyError):

            return _('Unknown archive type')

        # archive cache

        from rhodecode import CONFIG

        rev_name = cs.raw_id[:12]

        archive_name = '%s-%s%s' % (safe_str(repo_name.replace('/', '_')),

                                    safe_str(rev_name), ext)

        use_cached_archive = False  # defines if we use cached version of archive

        archive_cache_enabled = CONFIG.get('archive_cache_dir')

        if not subrepos and archive_cache_enabled:

            #check if we it's ok to write

            if not os.path.isdir(CONFIG['archive_cache_dir']):

                os.makedirs(CONFIG['archive_cache_dir'])

            cached_archive_path = os.path.join(CONFIG['archive_cache_dir'], archive_name)

            if os.path.isfile(cached_archive_path):

                log.debug('Found cached archive in %s' % cached_archive_path)

                fd, archive = None, cached_archive_path

                use_cached_archive = True

            else:

                log.debug('Archive %s is not yet cached' % (archive_name))

        if not use_cached_archive:

            #generate new archive

            try:

                fd, archive = tempfile.mkstemp()

                t = open(archive, 'wb')

                log.debug('Creating new temp archive in %s' % archive)

                cs.fill_archive(stream=t, kind=fileformat, subrepos=subrepos)

                if archive_cache_enabled:

                    #if we generated the archive and use cache rename that

                    log.debug('Storing new archive in %s' % cached_archive_path)

                    shutil.move(archive, cached_archive_path)

                    archive = cached_archive_path

            finally:

                t.close()

        def get_chunked_archive(archive):

            stream = open(archive, 'rb')

            while True:

                data = stream.read(16 * 1024)

                if not data:

                    stream.close()

                    if fd:  # fd means we used temporary file

                        os.close(fd)

                    if not archive_cache_enabled:

                        log.debug('Destroing temp archive %s' % archive)

                        os.remove(archive)

                    break

                yield data

        response.content_disposition = str('attachment; filename=%s' % (archive_name))

        response.content_type = str(content_type)

        return get_chunked_archive(archive)

    @LoginRequired()

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

                                   'repository.admin')

    def diff(self, repo_name, f_path):

        ignore_whitespace = request.GET.get('ignorews') == '1'

        line_context = request.GET.get('context', 3)

        diff1 = request.GET.get('diff1', '')

        diff2 = request.GET.get('diff2', '')

        c.action = request.GET.get('diff')

        c.no_changes = diff1 == diff2

        c.f_path = f_path

        c.big_diff = False

        c.anchor_url = anchor_url

        c.ignorews_url = _ignorews_url

        c.context_url = _context_url

        c.changes = OrderedDict()

        c.changes[diff2] = []

        #special case if we want a show rev only, it's impl here

        #to reduce JS and callbacks

        if request.GET.get('show_rev'):

            if str2bool(request.GET.get('annotate', 'False')):

                _url = url('files_annotate_home', repo_name=c.repo_name,

                           revision=diff1, f_path=c.f_path)

            else:

                _url = url('files_home', repo_name=c.repo_name,

                           revision=diff1, f_path=c.f_path)

            return redirect(_url)

        try:

            if diff1 not in ['', None, 'None', '0' * 12, '0' * 40]:

                c.changeset_1 = c.rhodecode_repo.get_changeset(diff1)

                try:

                    node1 = c.changeset_1.get_node(f_path)

                    if node1.is_dir():

                        raise NodeError('%s path is a %s not a file'

                                        % (node1, type(node1)))

                except NodeDoesNotExistError:

                    c.changeset_1 = EmptyChangeset(cs=diff1,

                                                   revision=c.changeset_1.revision,

                                                   repo=c.rhodecode_repo)

                    node1 = FileNode(f_path, '', changeset=c.changeset_1)

            else:

                c.changeset_1 = EmptyChangeset(repo=c.rhodecode_repo)

                node1 = FileNode(f_path, '', changeset=c.changeset_1)

            if diff2 not in ['', None, 'None', '0' * 12, '0' * 40]:

                c.changeset_2 = c.rhodecode_repo.get_changeset(diff2)

                try:

                    node2 = c.changeset_2.get_node(f_path)

                    if node2.is_dir():

                        raise NodeError('%s path is a %s not a file'

                                        % (node2, type(node2)))

                except NodeDoesNotExistError:

                    c.changeset_2 = EmptyChangeset(cs=diff2,

                                                   revision=c.changeset_2.revision,

                                                   repo=c.rhodecode_repo)

                    node2 = FileNode(f_path, '', changeset=c.changeset_2)

            else:

                c.changeset_2 = EmptyChangeset(repo=c.rhodecode_repo)

                node2 = FileNode(f_path, '', changeset=c.changeset_2)

        except (RepositoryError, NodeError):

            log.error(traceback.format_exc())

            return redirect(url('files_home', repo_name=c.repo_name,

                                f_path=f_path))

        if c.action == 'download':

            _diff = diffs.get_gitdiff(node1, node2,

                                      ignore_whitespace=ignore_whitespace,

                                      context=line_context)

            diff = diffs.DiffProcessor(_diff, format='gitdiff')

            diff_name = '%s_vs_%s.diff' % (diff1, diff2)

            response.content_type = 'text/plain'

            response.content_disposition = (

                'attachment; filename=%s' % diff_name

            )

            return diff.as_raw()

        elif c.action == 'raw':

            _diff = diffs.get_gitdiff(node1, node2,

                                      ignore_whitespace=ignore_whitespace,

                                      context=line_context)

            diff = diffs.DiffProcessor(_diff, format='gitdiff')

            response.content_type = 'text/plain'

            return diff.as_raw()

        else:

            fid = h.FID(diff2, node2.path)

            line_context_lcl = get_line_ctx(fid, request.GET)

            ign_whitespace_lcl = get_ignore_ws(fid, request.GET)

            lim = request.GET.get('fulldiff') or self.cut_off_limit

            _, cs1, cs2, diff, st = diffs.wrapped_diff(filenode_old=node1,

                                         filenode_new=node2,

                                         cut_off_limit=lim,

                                         ignore_whitespace=ign_whitespace_lcl,

                                         line_context=line_context_lcl,

                                         enable_comments=False)

            op = ''

            filename = node1.path

            cs_changes = {

                'fid': [cs1, cs2, op, filename, diff, st]

            }

            c.changes = cs_changes

        return render('files/file_diff.html')

    def _get_node_history(self, cs, f_path, changesets=None):

        """

        get changesets history for given node

        :param cs: changeset to calculate history

        :param f_path: path for node to calculate history for

        :param changesets: if passed don't calculate history and take

            changesets defined in this list

        """

        # calculate history based on tip

        tip_cs = c.rhodecode_repo.get_changeset()

        if changesets is None:

            try:

                changesets = tip_cs.get_file_history(f_path)

            except (NodeDoesNotExistError, ChangesetError):

                #this node is not present at tip !

                changesets = cs.get_file_history(f_path)

        hist_l = []

        changesets_group = ([], _("Changesets"))

        branches_group = ([], _("Branches"))

        tags_group = ([], _("Tags"))

        _hg = cs.repository.alias == 'hg'

        for chs in changesets:

            #_branch = '(%s)' % chs.branch if _hg else ''

            _branch = chs.branch

            n_desc = 'r%s:%s (%s)' % (chs.revision, chs.short_id, _branch)

            changesets_group[0].append((chs.raw_id, n_desc,))

        hist_l.append(changesets_group)

        for name, chs in c.rhodecode_repo.branches.items():

            branches_group[0].append((chs, name),)

        hist_l.append(branches_group)

        for name, chs in c.rhodecode_repo.tags.items():

            tags_group[0].append((chs, name),)

        hist_l.append(tags_group)

        return hist_l, changesets

    @LoginRequired()

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

                                   'repository.admin')

    @jsonify

    def nodelist(self, repo_name, revision, f_path):

        if request.environ.get('HTTP_X_PARTIAL_XHR'):

            cs = self.__get_cs_or_redirect(revision, repo_name)

            _d, _f = ScmModel().get_nodes(repo_name, cs.raw_id, f_path,

                                          flat=False)

            return {'nodes': _d + _f}

def boolicon(value):

    """Returns boolean value of a value, represented as small html image of true/false

    icons

    :param value: value

    """

    if value:

        return HTML.tag('img', src=url("/images/icons/accept.png"),

                        alt=_('True'))

    else:

        return HTML.tag('img', src=url("/images/icons/cancel.png"),

                        alt=_('False'))

def action_parser(user_log, feed=False, parse_cs=False):

    """

    This helper will action_map the specified string action into translated

    fancy names with icons and links

    :param user_log: user log instance

    :param feed: use output for feeds (no html and fancy icons)

    :param parse_cs: parse Changesets into VCS instances

    """

    action = user_log.action

    action_params = ' '

    x = action.split(':')

    if len(x) > 1:

        action, action_params = x

    def get_cs_links():

        revs_limit = 3  # display this amount always

        revs_top_limit = 50  # show upto this amount of changesets hidden

        revs_ids = action_params.split(',')

        deleted = user_log.repository is None

        if deleted:

            return ','.join(revs_ids)

        repo_name = user_log.repository.repo_name

        def lnk(rev, repo_name):

            if isinstance(rev, BaseChangeset) or isinstance(rev, AttributeDict):

                lazy_cs = True

                if getattr(rev, 'op', None) and getattr(rev, 'ref_name', None):

                    lazy_cs = False

                    lbl = '?'

                    if rev.op == 'delete_branch':

                        lbl = '%s' % _('Deleted branch: %s') % rev.ref_name

                        title = ''

                    elif rev.op == 'tag':

                        lbl = '%s' % _('Created tag: %s') % rev.ref_name

                        title = ''

                    _url = '#'

                else:

                    lbl = '%s' % (rev.short_id[:8])

                    _url = url('changeset_home', repo_name=repo_name,

                               revision=rev.raw_id)

                    title = tooltip(rev.message)

            else:

                ## changeset cannot be found/striped/removed etc.

                lbl = ('%s' % rev)[:12]

                _url = '#'

                title = _('Changeset not found')

            if parse_cs:

                return link_to(lbl, _url, title=title, class_='tooltip')

            return link_to(lbl, _url, raw_id=rev.raw_id, repo_name=repo_name,

                           class_='lazy-cs' if lazy_cs else '')

        def _get_op(rev_txt):

            _op = None

            _name = rev_txt

            if len(rev_txt.split('=>')) == 2:

                _op, _name = rev_txt.split('=>')

            return _op, _name

        revs = []

        if len(filter(lambda v: v != '', revs_ids)) > 0:

            repo = None

            for rev in revs_ids[:revs_top_limit]:

                _op, _name = _get_op(rev)

                # we want parsed changesets, or new log store format is bad

                if parse_cs:

                    try:

                        if repo is None:

                            repo = user_log.repository.scm_instance

                        _rev = repo.get_changeset(rev)

                        revs.append(_rev)

                    except ChangesetDoesNotExistError:

                        log.error('cannot find revision %s in this repo' % rev)

                        revs.append(rev)

                        continue

                else:

                    _rev = AttributeDict({

                        'short_id': rev[:12],

                        'raw_id': rev,

                        'message': '',

                        'op': _op,

                        'ref_name': _name

                    })

                    revs.append(_rev)

        cs_links = []

        cs_links.append(" " + ', '.join(

            [lnk(rev, repo_name) for rev in revs[:revs_limit]]

            )

        )

        _op1, _name1 = _get_op(revs_ids[0])

        _op2, _name2 = _get_op(revs_ids[-1])

        _rev = '%s...%s' % (_name1, _name2)

        compare_view = (

            ' <div class="compare_view tooltip" title="%s">'

            '<a href="%s">%s</a> </div>' % (

                _('Show all combined changesets %s->%s') % (

                    revs_ids[0][:12], revs_ids[-1][:12]

                ),

                url('changeset_home', repo_name=repo_name,

                    revision=_rev

                ),

                _('compare view')

            )

        )

        # if we have exactly one more than normally displayed

        # just display it, takes less space than displaying

        # "and 1 more revisions"

        if len(revs_ids) == revs_limit + 1:

            rev = revs[revs_limit]

            cs_links.append(", " + lnk(rev, repo_name))

        # hidden-by-default ones

        if len(revs_ids) > revs_limit + 1:

            uniq_id = revs_ids[0]

            html_tmpl = (

                '<span> %s <a class="show_more" id="_%s" '

                'href="#more">%s</a> %s</span>'

            )

            if not feed:

                cs_links.append(html_tmpl % (

                      _('and'),

                      uniq_id, _('%s more') % (len(revs_ids) - revs_limit),

                      _('revisions')

                    )

                )

            if not feed:

                html_tmpl = '<span id="%s" style="display:none">, %s </span>'

            else:

                html_tmpl = '<span id="%s"> %s </span>'

            morelinks = ', '.join(

              [lnk(rev, repo_name) for rev in revs[revs_limit:]]

            )

            if len(revs_ids) > revs_top_limit:

                morelinks += ', ...'

            cs_links.append(html_tmpl % (uniq_id, morelinks))

        if len(revs) > 1:

            cs_links.append(compare_view)

        return ''.join(cs_links)

    def get_fork_name():

        repo_name = action_params

        _url = url('summary_home', repo_name=repo_name)

        return _('fork name %s') % link_to(action_params, _url)

    def get_user_name():

        user_name = action_params

        return user_name

    def get_users_group():

        group_name = action_params

        return group_name

    def get_pull_request():

        pull_request_id = action_params

        deleted = user_log.repository is None

        if deleted:

            repo_name = user_log.repository_name

        else:

            repo_name = user_log.repository.repo_name

        return link_to(_('Pull request #%s') % pull_request_id,

                    url('pullrequest_show', repo_name=repo_name,

                    pull_request_id=pull_request_id))

    # action : translated str, callback(extractor), icon

    action_map = {

    'user_deleted_repo':           (_('[deleted] repository'),

                                    None, 'database_delete.png'),

    'user_created_repo':           (_('[created] repository'),

                                    None, 'database_add.png'),

    'user_created_fork':           (_('[created] repository as fork'),

                                    None, 'arrow_divide.png'),

    'user_forked_repo':            (_('[forked] repository'),

                                    get_fork_name, 'arrow_divide.png'),

    'user_updated_repo':           (_('[updated] repository'),

                                    None, 'database_edit.png'),

    'admin_deleted_repo':          (_('[delete] repository'),

                                    None, 'database_delete.png'),

    'admin_created_repo':          (_('[created] repository'),

                                    None, 'database_add.png'),

    'admin_forked_repo':           (_('[forked] repository'),

                                    None, 'arrow_divide.png'),

    'admin_updated_repo':          (_('[updated] repository'),

                                    None, 'database_edit.png'),

    'admin_created_user':          (_('[created] user'),

                                    get_user_name, 'user_add.png'),

    'admin_updated_user':          (_('[updated] user'),

                                    get_user_name, 'user_edit.png'),

    'admin_created_users_group':   (_('[created] user group'),

                                    get_users_group, 'group_add.png'),

    'admin_updated_users_group':   (_('[updated] user group'),

                                    get_users_group, 'group_edit.png'),

    'user_commented_revision':     (_('[commented] on revision in repository'),

                                    get_cs_links, 'comment_add.png'),

    'user_commented_pull_request': (_('[commented] on pull request for'),

                                    get_pull_request, 'comment_add.png'),

    'user_closed_pull_request':    (_('[closed] pull request for'),

                                    get_pull_request, 'tick.png'),

    'push':                        (_('[pushed] into'),

                                    get_cs_links, 'script_add.png'),

    'push_local':                  (_('[committed via RhodeCode] into repository'),

                                    get_cs_links, 'script_edit.png'),

    'push_remote':                 (_('[pulled from remote] into repository'),

                                    get_cs_links, 'connect.png'),

    'pull':                        (_('[pulled] from'),

                                    None, 'down_16.png'),

    'started_following_repo':      (_('[started following] repository'),

                                    None, 'heart_add.png'),

    'stopped_following_repo':      (_('[stopped following] repository'),

                                    None, 'heart_delete.png'),

    }

    action_str = action_map.get(action, action)

    if feed:

        action = action_str[0].replace('[', '').replace(']', '')

    else:

        action = action_str[0]\

            .replace('[', '<span class="journal_highlight">')\

            .replace(']', '</span>')

    action_params_func = lambda: ""

    if callable(action_str[1]):

        action_params_func = action_str[1]

    def action_parser_icon():

        action = user_log.action

        action_params = None

        x = action.split(':')

        if len(x) > 1:

            action, action_params = x

        tmpl = """<img src="%s%s" alt="%s"/>"""

        ico = action_map.get(action, ['', '', ''])[2]

        return literal(tmpl % ((url('/images/icons/')), ico, action))

    # returned callbacks we need to call to get

    return [lambda: literal(action), action_params_func, action_parser_icon]

#==============================================================================

# PERMS

#==============================================================================

from rhodecode.lib.auth import HasPermissionAny, HasPermissionAll, \

HasRepoPermissionAny, HasRepoPermissionAll, HasReposGroupPermissionAll, \

HasReposGroupPermissionAny