elif method == 'patch':

            response.content_type = 'text/plain'

            c.diff = safe_unicode(diff)

            return render('changeset/patch_changeset.html')

        elif method == 'raw':

            response.content_type = 'text/plain'

            return diff

        elif method == 'show':

            self.__load_data()

            if len(c.cs_ranges) == 1:

                return render('changeset/changeset.html')

            else:

                c.cs_ranges_org = None

                revs = [ctx.revision for ctx in reversed(c.cs_ranges)]

                c.jsdata = json.dumps(graph_data(c.db_repo_scm_instance, revs))

                return render('changeset/changeset_range.html')

    @LoginRequired()

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

                                   'repository.admin')

    def index(self, revision, method='show'):

        return self._index(revision, method=method)

    @LoginRequired()

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

                                   'repository.admin')

    def changeset_raw(self, revision):

        return self._index(revision, method='raw')

    @LoginRequired()

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

                                   'repository.admin')

    def changeset_patch(self, revision):

        return self._index(revision, method='patch')

    @LoginRequired()

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

                                   'repository.admin')

    def changeset_download(self, revision):

        return self._index(revision, method='download')

    @LoginRequired()

    @NotAnonymous()

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

                                   'repository.admin')

    @jsonify

    def comment(self, repo_name, revision):

        status = request.POST.get('changeset_status')

        text = request.POST.get('text')

            text = text or (_('Status change -> %s')

                            % ChangesetStatus.get_status_lbl(status))

        c.co = comm = ChangesetCommentsModel().create(

            text=text,

            repo=c.db_repo.repo_id,

            user=c.authuser.user_id,

            revision=revision,

            f_path=request.POST.get('f_path'),

            line_no=request.POST.get('line'),

            status_change=(ChangesetStatus.get_status_lbl(status)

        )

        # get status if set !

            # if latest status was from pull request and it's closed

            # disallow changing status !

            # dont_allow_on_closed_pull_request = True !

            try:

                ChangesetStatusModel().set_status(

                    c.db_repo.repo_id,

                    status,

                    c.authuser.user_id,

                    comm,

                    revision=revision,

                    dont_allow_on_closed_pull_request=True

                )

            except StatusChangeOnClosedPullRequestError:

                log.error(traceback.format_exc())

                msg = _('Changing status on a changeset associated with '

                        'a closed pull request is not allowed')

                h.flash(msg, category='warning')

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

                                      revision=revision))

        action_logger(self.authuser,

                      'user_commented_revision:%s' % revision,

                      c.db_repo, self.ip_addr, self.sa)

        Session().commit()

        if not request.environ.get('HTTP_X_PARTIAL_XHR'):

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

                                  revision=revision))

        #only ajax below

        data = {

           'target_id': h.safeid(h.safe_unicode(request.POST.get('f_path'))),

        }

        if comm:

            data.update(comm.get_dict())

            data.update({'rendered_text':

                         render('changeset/changeset_comment_block.html')})

        return data

    @LoginRequired()

    @NotAnonymous()

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

                                   'repository.admin')

    def preview_comment(self):

        if not request.environ.get('HTTP_X_PARTIAL_XHR'):

            raise HTTPBadRequest()

        text = request.POST.get('text')

                      for x, y in (groupby(sorted(st, key=sorter), sorter))]

            else:

                c.pull_request_pending_reviewers.append(o.user)

            c.pull_request_reviewers.append([o.user, st])

        # pull_requests repo_name we opened it against

        # ie. other_repo must match

        if repo_name != c.pull_request.other_repo.repo_name:

            raise HTTPNotFound

        # load compare data into template context

        enable_comments = not c.pull_request.is_closed()

        self._load_compare_data(c.pull_request, enable_comments=enable_comments)

        # inline comments

        c.inline_cnt = 0

        c.inline_comments = cc_model.get_inline_comments(

                                c.db_repo.repo_id,

                                pull_request=pull_request_id)

        # count inline comments

        for __, lines in c.inline_comments:

            for comments in lines.values():

                c.inline_cnt += len(comments)

        # comments

        c.comments = cc_model.get_comments(c.db_repo.repo_id,

                                           pull_request=pull_request_id)

        # (badly named) pull-request status calculation based on reviewer votes

        c.current_changeset_status = cs_model.calculate_status(

                                        c.pull_request_reviewers,

                                         )

        c.changeset_statuses = ChangesetStatus.STATUSES

        c.as_form = False

        c.ancestor = None # there is one - but right here we don't know which

        return render('/pullrequests/pullrequest_show.html')

    @LoginRequired()

    @NotAnonymous()

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

                                   'repository.admin')

    @jsonify

    def comment(self, repo_name, pull_request_id):

        pull_request = PullRequest.get_or_404(pull_request_id)

        if pull_request.is_closed():

            raise HTTPForbidden()

        status = request.POST.get('changeset_status')

        text = request.POST.get('text')

        close_pr = request.POST.get('save_close')

        allowed_to_change_status = self._get_is_allowed_change_status(pull_request)

            _def = (_('Status change -> %s')

                            % ChangesetStatus.get_status_lbl(status))

            if close_pr:

                _def = _('Closing with') + ' ' + _def

            text = text or _def

        comm = ChangesetCommentsModel().create(

            text=text,

            repo=c.db_repo.repo_id,

            user=c.authuser.user_id,

            pull_request=pull_request_id,

            f_path=request.POST.get('f_path'),

            line_no=request.POST.get('line'),

            status_change=(ChangesetStatus.get_status_lbl(status)

            closing_pr=close_pr

        )

        action_logger(self.authuser,

                      'user_commented_pull_request:%s' % pull_request_id,

                      c.db_repo, self.ip_addr, self.sa)

        if allowed_to_change_status:

            # get status if set !

                ChangesetStatusModel().set_status(

                    c.db_repo.repo_id,

                    status,

                    c.authuser.user_id,

                    comm,

                    pull_request=pull_request_id

                )

            if close_pr:

                if status in ['rejected', 'approved']:

                    PullRequestModel().close_pull_request(pull_request_id)

                    action_logger(self.authuser,

                              'user_closed_pull_request:%s' % pull_request_id,

                              c.db_repo, self.ip_addr, self.sa)

                else:

                    h.flash(_('Closing pull request on other statuses than '

                              'rejected or approved forbidden'),

                            category='warning')

        Session().commit()

        if not request.environ.get('HTTP_X_PARTIAL_XHR'):

            return redirect(h.url('pullrequest_show', repo_name=repo_name,

                                  pull_request_id=pull_request_id))

        data = {

           'target_id': h.safeid(h.safe_unicode(request.POST.get('f_path'))),

        }

        if comm:

            c.co = comm

            data.update(comm.get_dict())

            data.update({'rendered_text':

                         render('changeset/changeset_comment_block.html')})

        return data

    @LoginRequired()

    @NotAnonymous()

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

                                   'repository.admin')

    @jsonify

    def delete_comment(self, repo_name, comment_id):

        co = ChangesetComment.get(comment_id)

        if co.pull_request.is_closed():

            #don't allow deleting comments on closed pull request

            raise HTTPForbidden()

        owner = co.author.user_id == c.authuser.user_id

            %for co in comments:

                ${comment_block(co)}

            %endfor

            </div>

        %endfor

    %endfor

</%def>

## generate inline comments and the main ones

<%def name="generate_comments()">

<div class="comments">

    <div id="inline-comments-container">

    ## generate inlines for this changeset

     ${inlines()}

    </div>

    %for co in c.comments:

        <div id="comment-tr-${co.comment_id}">

          ${comment_block(co)}

        </div>

    %endfor

</div>

</%def>

## MAIN COMMENT FORM

<%def name="comments(post_url, cur_status, is_pr=False, change_status=True)">

<div class="comments">

    %if c.authuser.username != 'default':

    <div class="comment-form ac">

        ${h.form(post_url)}

        <div id="edit-container" class="clearfix">

            <div class="comment-help">

                ${(_('Comments parsed using %s syntax with %s support.') % (('<a href="%s">RST</a>' % h.url('rst_help')),

                  '<span style="color:#577632" class="tooltip" title="%s">@mention</span>' %

                  _('Use @username inside this text to send notification to this Kallithea user')))|n}

                <div id="preview-btn" class="preview-btn btn btn-mini">${_('Preview')}</div>

            </div>

            <div class="mentions-container" id="mentions_container"></div>

            ${h.textarea('text', class_="comment-block-ta")}

            %if change_status:

              <div id="status_block_container" class="status-block">

                %if is_pr:

                  ${_('Vote for pull request status')}:

                %else:

                  ${_('Set changeset status')}:

                %endif

                <input type="radio" class="status_change_radio" name="changeset_status" id="changeset_status_unchanged" value="" checked="checked" />

                <label for="changeset_status_unchanged">

                  ${_('No change')}

                </label>

                %for status,lbl in c.changeset_statuses:

                    <span style="margin-left: 15px;">

                        <input type="radio" class="status_change_radio" name="changeset_status" id="${status}" value="${status}">

                        <label for="${status}"><img src="${h.url('/images/icons/flag_status_%s.png' % status)}" />${lbl}</label>

                    </span>

                %endfor

                %if is_pr and change_status:

                <input id="save_close" type="checkbox" name="save_close" disabled="${'1' if cur_status in ['not_reviewed','under_review'] else ''}">

                <label id="save_close_label" for="save_close" class="${'disabled' if cur_status in ['not_reviewed','under_review'] else ''}">${_("Close (when approved or rejected)")}</label>

                %endif

              </div>

            %endif

        </div>

        <div id="preview-container" class="clearfix" style="display:none">

           <div class="comment-help">

                ${_('Comment preview')}

              <div id="edit-btn" class="edit-btn btn btn-mini">${_('Edit')}</div>

            </div>

            <div id="preview-box" class="preview-box"></div>

        </div>

        <div class="comment-button">

        ${h.submit('save', _('Comment'), class_="btn")}

        </div>

        ${h.end_form()}

    </div>

    %endif

</div>

<script>

YUE.onDOMReady(function () {

   MentionsAutoComplete('text', 'mentions_container', _USERS_AC_DATA, _GROUPS_AC_DATA);

   var set_close_button_state = function(cur_val){

     %if is_pr and change_status:

       if (cur_val == 'approved' || cur_val == 'rejected') {

           YUD.removeClass('save_close_label', 'disabled');

           YUD.get('save_close').disabled = false;

       }else{

           YUD.addClass('save_close_label', 'disabled');

           YUD.get('save_close').disabled = true;

           YUD.get('save_close').checked = false;

       }

     %endif

   }

   YUE.on(YUQ('.status_change_radio'), 'change',function(e){

       var val = e.currentTarget.value;

       set_close_button_state(val);

   })

   // if currect checked status is approved or rejected we should unlock the close button

   var cur_val = YUQ('.status_change_radio[checked]')[0].value;

   set_close_button_state(cur_val)

   YUE.on('preview-btn', 'click', function(e){

       var _text = YUD.get('text').value;

       if(!_text){

           return

       }

       var post_data = {'text': _text};

       YUD.addClass('preview-box', 'unloaded');

       YUD.get('preview-box').innerHTML = _TM['Loading ...'];

       YUD.setStyle('edit-container', 'display', 'none');

       YUD.setStyle('preview-container', 'display', '');

       var url = pyroutes.url('changeset_comment_preview', {'repo_name': '${c.repo_name}'});

       ajaxPOST(url,post_data,function(o){

           YUD.get('preview-box').innerHTML = o.responseText;

           YUD.removeClass('preview-box', 'unloaded');

       })

   })

   YUE.on('edit-btn', 'click', function(e){

       YUD.setStyle('edit-container', 'display', '');

       YUD.setStyle('preview-container', 'display', 'none');

   })

});

</script>

</%def>