__unicode__ = __str__

    def __html__(self):

        return escape(safe_unicode(self.message))

class Flash(_Flash):

    def pop_messages(self):

        """Return all accumulated messages and delete them from the session.

        The return value is a list of ``Message`` objects.

        """

        from pylons import session

        messages = session.pop(self.session_key, [])

        session.save()

        return [_Message(*m) for m in messages]

flash = Flash()

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

# SCM FILTERS available via h.

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

from kallithea.lib.vcs.utils import author_name, author_email

from kallithea.lib.utils2 import credentials_filter, age as _age

age = lambda  x, y=False: _age(x, y)

capitalize = lambda x: x.capitalize()

email = author_email

short_id = lambda x: x[:12]

hide_credentials = lambda x: ''.join(credentials_filter(x))

def show_id(cs):

    """

    Configurable function that shows ID

    by default it's r123:fffeeefffeee

    :param cs: changeset instance

    """

    from kallithea import CONFIG

    def_len = safe_int(CONFIG.get('show_sha_length', 12))

    show_rev = str2bool(CONFIG.get('show_revision_number', False))

    raw_id = cs.raw_id[:def_len]

    if show_rev:

        return 'r%s:%s' % (cs.revision, raw_id)

    else:

        return '%s' % (raw_id)

            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

                    url('pullrequest_show', repo_name=repo_name,

                    pull_request_id=pull_request_id))

    def get_archive_name():

        archive_name = action_params

        return archive_name

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

    action_map = {

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

                                    None, 'icon-trashcan'),

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

                                    None, 'icon-plus'),

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

                                    None, 'icon-fork'),

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

                                    get_fork_name, 'icon-fork'),

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

                                    None, 'icon-pencil'),

    'user_downloaded_archive':      (_('[downloaded] archive from repository'),

                                    get_archive_name, 'icon-download-cloud'),

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

                                    None, 'icon-trashcan'),

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

                'cs_comment_url': comment_url,

                'raw_id': revision,

                'message': cs.message,

                'repo_name': repo.repo_name,

                'short_id': h.short_id(revision),

                'branch': cs.branch,

                'comment_username': user.username,

                'threading': threading,

            }

        #pull request

        elif pull_request:

            notification_type = Notification.TYPE_PULL_REQUEST_COMMENT

            desc = comment.pull_request.title

            _org_ref_type, org_ref_name, _org_rev = comment.pull_request.org_ref.split(':')

            threading = ['%s-pr-%s@%s' % (pull_request.other_repo.repo_name,

                                          pull_request.pull_request_id,

                                          h.canonical_hostname())]

            if line_no: # TODO: url to file _and_ line number

                threading.append('%s-pr-%s-line-%s@%s' % (pull_request.other_repo.repo_name,

                                                          pull_request.pull_request_id, line_no,

                                                          h.canonical_hostname()))

            comment_url = pull_request.url(canonical=True,

                anchor='comment-%s' % comment.comment_id)

            subj = safe_unicode(

                          {'desc': desc,

                           'line': line},

                          comment_url)

            )

            # get the current participants of this pull request

            recipients = ChangesetComment.get_users(pull_request_id=

                                                pull_request.pull_request_id)

            # add pull request author

            recipients += [pull_request.author]

            # add the reviewers to notification

            recipients += [x.user for x in pull_request.reviewers]

            #set some variables for email notification

            email_kwargs = {

                'pr_title': pull_request.title,

                'status_change': status_change,

                'closing_pr': closing_pr,

                'pr_comment_url': comment_url,

                'pr_comment_user': h.person(user, 'username_and_name'),

                'pr_target_repo': h.canonical_url('summary_home',

                                   repo_name=pull_request.other_repo.repo_name),

                'repo_name': pull_request.other_repo.repo_name,

                'ref': org_ref_name,

                'comment_username': user.username,

                'threading': threading,

            }

        return subj, body, recipients, notification_type, email_kwargs

    def create(self, text, repo, user, revision=None, pull_request=None,

               f_path=None, line_no=None, status_change=None, closing_pr=False,

               send_email=True):

        """

        Creates a new comment for either a changeset or a pull request.

        status_change and closing_pr is only for the optional email.

        Returns the created comment.

        """

        if not status_change and not text:

                return [] # don't use sql 'in' on empty set

            cmts = cmts.filter(ChangesetComment.revision.in_(revisions))

        grouped = collections.defaultdict(list)

        for cmt in cmts.all():

            grouped[cmt.revision].append(cmt)

        return grouped

    def statuses(self, revisions):

        """

        Returns statuses for this repository.

        PRs without any votes do _not_ show up as unreviewed.

        :param revisions: list of revisions to get statuses for

        """

        if not revisions:

            return {}

        statuses = ChangesetStatus.query()\

            .filter(ChangesetStatus.repo == self)\

            .filter(ChangesetStatus.version == 0)\

            .filter(ChangesetStatus.revision.in_(revisions))

        grouped = {}

        for stat in statuses.all():

            if stat.pull_request:

                pr_id = stat.pull_request.pull_request_id

                pr_repo = stat.pull_request.other_repo.repo_name

            grouped[stat.revision] = [str(stat.status), stat.status_lbl,

        return grouped

    def _repo_size(self):

        from kallithea.lib import helpers as h

        log.debug('calculating repository size...')

        return h.format_byte_size(self.scm_instance.size)

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

    # SCM CACHE INSTANCE

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

    def set_invalidate(self):

        """

        Mark caches of this repo as invalid.

        """

        CacheInvalidation.set_invalidate(self.repo_name)

    def scm_instance_no_cache(self):

        return self.__get_instance()

    @property

    def scm_instance(self):

        import kallithea

        full_cache = str2bool(kallithea.CONFIG.get('vcs_full_cache'))

                             cascade="all, delete-orphan")

    org_repo = relationship('Repository', primaryjoin='PullRequest.org_repo_id==Repository.repo_id')

    other_repo = relationship('Repository', primaryjoin='PullRequest.other_repo_id==Repository.repo_id')

    statuses = relationship('ChangesetStatus')

    comments = relationship('ChangesetComment',

                             cascade="all, delete-orphan")

    def is_closed(self):

        return self.status == self.STATUS_CLOSED

    @property

    def last_review_status(self):

        return str(self.statuses[-1].status) if self.statuses else ''

    def user_review_status(self, user_id):

        """Return the user's latest status votes on PR"""

        # note: no filtering on repo - that would be redundant

        status = ChangesetStatus.query()\

            .filter(ChangesetStatus.pull_request == self)\

            .filter(ChangesetStatus.user_id == user_id)\

            .order_by(ChangesetStatus.version)\

            .first()

        return str(status.status) if status else ''

    def __json__(self):

        return dict(

            revisions=self.revisions

        )

    def url(self, **kwargs):

        canonical = kwargs.pop('canonical', None)

        import kallithea.lib.helpers as h

        b = self.org_ref_parts[1]

        if b != self.other_ref_parts[1]:

            s = '/_/' + b

        else:

            s = '/_/' + self.title

        kwargs['extra'] = urlreadable(s)

        if canonical:

            return h.canonical_url('pullrequest_show', repo_name=self.other_repo.repo_name,

                                   pull_request_id=self.pull_request_id, **kwargs)

        return h.url('pullrequest_show', repo_name=self.other_repo.repo_name,

                     pull_request_id=self.pull_request_id, **kwargs)

class PullRequestReviewers(Base, BaseModel):

    __tablename__ = 'pull_request_reviewers'

    __table_args__ = (

        {'extend_existing': True, 'mysql_engine': 'InnoDB',

    TYPE_PASSWORD_RESET = 'password_link'

    TYPE_REGISTRATION = Notification.TYPE_REGISTRATION

    TYPE_PULL_REQUEST = Notification.TYPE_PULL_REQUEST

    TYPE_PULL_REQUEST_COMMENT = Notification.TYPE_PULL_REQUEST_COMMENT

    TYPE_DEFAULT = 'default'

    def __init__(self):

        super(EmailNotificationModel, self).__init__()

        self._template_root = kallithea.CONFIG['pylons.paths']['templates'][0]

        self._tmpl_lookup = kallithea.CONFIG['pylons.app_globals'].mako_lookup

        self.email_types = {

            self.TYPE_CHANGESET_COMMENT: 'changeset_comment',

            self.TYPE_PASSWORD_RESET: 'password_reset',

            self.TYPE_REGISTRATION: 'registration',

            self.TYPE_DEFAULT: 'default',

            self.TYPE_PULL_REQUEST: 'pull_request',

            self.TYPE_PULL_REQUEST_COMMENT: 'pull_request_comment',

        }

        self._subj_map = {

            self.TYPE_CHANGESET_COMMENT: _('Comment on %(repo_name)s changeset %(short_id)s on %(branch)s by %(comment_username)s'),

            self.TYPE_MESSAGE: 'Test Message',

            # self.TYPE_PASSWORD_RESET

            self.TYPE_REGISTRATION: _('New user %(new_username)s registered'),

            # self.TYPE_DEFAULT

        }

    def get_email_description(self, type_, **kwargs):

        """

        return subject for email based on given type

        """

        tmpl = self._subj_map[type_]

        try:

            subj = tmpl % kwargs

        except KeyError, e:

            log.error('error generating email subject for %r from %s: %s', type_, ','.join(self._subj_map.keys()), e)

            raise

        l = [safe_unicode(x) for x in [kwargs.get('status_change'), kwargs.get('closing_pr') and _('Closing')] if x]

        if l:

            subj += ' (%s)' % (', '.join(l))

        return subj

    def get_email_tmpl(self, type_, content_type, **kwargs):

        """

        return generated template for email based on given type

        """

        base = 'email_templates/' + self.email_types.get(type_, self.email_types[self.TYPE_DEFAULT]) + '.' + content_type

        email_template = self._tmpl_lookup.get_template(base)

        )

        mention_recipients = set(User.get_by_username(username, case_insensitive=True)

                                 for username in extract_mentioned_users(new.description))

        self.__add_reviewers(new, reviewers, mention_recipients)

        return new

    def __add_reviewers(self, pr, reviewers, mention_recipients=None):

        #members

        for member in set(reviewers):

            _usr = self._get_user(member)

            reviewer = PullRequestReviewers(_usr, pr)

            Session().add(reviewer)

        revision_data = [(x.raw_id, x.message)

                         for x in map(pr.org_repo.get_changeset, pr.revisions)]

        #notification to reviewers

        pr_url = pr.url(canonical=True)

        threading = [h.canonical_url('pullrequest_show', repo_name=pr.other_repo.repo_name,

                                     pull_request_id=pr.pull_request_id)]

        subject = safe_unicode(

            h.link_to(

                {'user': pr.author.username,

                 'pr_title': pr.title,

                pr_url)

            )

        body = pr.description

        _org_ref_type, org_ref_name, _org_rev = pr.org_ref.split(':')

        email_kwargs = {

            'pr_title': pr.title,

            'pr_user_created': h.person(pr.author),

            'pr_repo_url': h.canonical_url('summary_home', repo_name=pr.other_repo.repo_name),

            'pr_url': pr_url,

            'pr_revisions': revision_data,

            'repo_name': pr.other_repo.repo_name,

            'ref': org_ref_name,

            'pr_username': pr.author.username,

            'threading': threading,

            'is_mention': False,

            }

        if reviewers:

            NotificationModel().create(created_by=pr.author, subject=subject, body=body,

                                       recipients=reviewers,

                                       type_=Notification.TYPE_PULL_REQUEST,

                                       email_kwargs=email_kwargs)

        if mention_recipients:

            mention_recipients.discard(None)

            mention_recipients.difference_update(reviewers)

        if mention_recipients:

            email_kwargs['is_mention'] = True

            subject = _('[Mention]') + ' ' + subject

            NotificationModel().create(created_by=pr.author, subject=subject, body=body,

                                       recipients=mention_recipients,

                                       type_=Notification.TYPE_PULL_REQUEST,

                                       email_kwargs=email_kwargs)

    def mention_from_description(self, pr, old_description=''):

                    </div>

                </div>

                <div id="changelog" style="clear:both">

                <div id="graph_nodes">

                    <canvas id="graph_canvas"></canvas>

                </div>

                <div id="graph_content" style="${'margin: 0px' if c.changelog_for_path else ''}">

                <table id="changesets">

                <tbody>

                %for cnt,cs in enumerate(c.pagination):

                    <tr id="chg_${cnt+1}" class="container ${'tablerow%s' % (cnt%2)}">

                        <td class="checkbox">

                            %if c.changelog_for_path:

                                ${h.checkbox(cs.raw_id,class_="changeset_range", disabled="disabled")}

                            %else:

                                ${h.checkbox(cs.raw_id,class_="changeset_range")}

                            %endif

                        <td class="status">

                          %if c.statuses.get(cs.raw_id):

                            <div class="changeset-status-ico">

                            %if c.statuses.get(cs.raw_id)[2]:

                                <i class="icon-circle changeset-status-${c.statuses.get(cs.raw_id)[0]}"></i>

                              </a>

                            %else:

                              <a class="tooltip" title="${_('Changeset status: %s') % c.statuses.get(cs.raw_id)[1]}" href="${h.url('changeset_home',repo_name=c.repo_name,revision=cs.raw_id,anchor='comment-%s' % c.comments[cs.raw_id][0].comment_id)}">

                                  <i class="icon-circle changeset-status-${c.statuses.get(cs.raw_id)[0]}"></i>

                              </a>

                            %endif

                            </div>

                          %endif

                        </td>

                        <td class="author">

                            ${h.gravatar(h.email_or_none(cs.author), size=16)}

                            <span title="${cs.author}" class="user">${h.shorter(h.person(cs.author),22)}</span>

                        </td>

                        <td class="hash" style="width:${len(h.show_id(cs))*6.5}px">

                            <a href="${h.url('changeset_home',repo_name=c.repo_name,revision=cs.raw_id)}">

                                <span class="changeset_hash">${h.show_id(cs)}</span>

                            </a>

                        </td>

                        <td class="date">

                            <div class="date">${h.age(cs.date,True)}</div>

                        </td>

                        <td class="expand_commit" commit_id="${cs.raw_id}" title="${_('Expand commit message')}">

                            <i class="icon-align-left" style="color:#999"></i>

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

%if c.repo_changesets:

<table>

    <tr>

        <th class="left"></th>

        <th class="left"></th>

        <th class="left">${_('Revision')}</th>

        <th class="left">${_('Commit Message')}</th>

        <th class="left">${_('Age')}</th>

        <th class="left">${_('Author')}</th>

        <th class="left">${_('Refs')}</th>

    </tr>

%for cnt,cs in enumerate(c.repo_changesets):

    <tr class="parity${cnt%2}">

        <td class="compact">

            <div class="changeset-status-container">

              %if c.statuses.get(cs.raw_id):

                <div class="changeset-status-ico shortlog">

                %if c.statuses.get(cs.raw_id)[2]:

                    <i class="icon-circle changeset-status-${c.statuses.get(cs.raw_id)[0]}"></i>

                  </a>

                %else:

                  <i class="icon-circle changeset-status-${c.statuses.get(cs.raw_id)[0]}"></i>

                %endif

                </div>

              %endif

            </div>

        </td>

        <td class="compact">

              %if c.comments.get(cs.raw_id,[]):

               <div class="comments-container">

                   <div title="${('comments')}">

                       <a href="${h.url('changeset_home',repo_name=c.repo_name,revision=cs.raw_id,anchor='comment-%s' % c.comments[cs.raw_id][0].comment_id)}">

                          <i class="icon-comment"></i>${len(c.comments[cs.raw_id])}

                       </a>

                   </div>

               </div>

              %endif

        </td>

        <td>

            <a href="${h.url('changeset_home',repo_name=c.repo_name,revision=cs.raw_id)}" class="revision-link">${h.show_id(cs)}</a>

        </td>

        <td>

<%inherit file="/base/base.html"/>

<%namespace name="comment" file="/changeset/changeset_file_comment.html"/>

<%block name="title">

</%block>

<%def name="breadcrumbs_links()">

</%def>

<%block name="header_menu">

    ${self.menu('repositories')}

</%block>

<%def name="main()">

<% editable = not c.pull_request.is_closed() and (h.HasPermissionAny('hg.admin')() or h.HasRepoPermissionAny('repository.admin')(c.repo_name) or c.pull_request.author.user_id == c.authuser.user_id) %>

${self.repo_context_bar('showpullrequest')}

<div class="box">

  <!-- box / title -->

  <div class="title">

    ${self.breadcrumbs()}

  </div>

  ${h.form(url('pullrequest_post', repo_name=c.repo_name, pull_request_id=c.pull_request.pull_request_id), method='post', id='pull_request_form')}

    <div class="form pr-box" style="float: left">

      <div class="pr-details-title ${'closed' if c.pull_request.is_closed() else ''}">

          ${_('Title')}: ${c.pull_request.title}

          %if c.pull_request.is_closed():

              (${_('Closed')})

          %endif

      </div>

      <div id="pr-summary" class="fields">