mentions: markdown renderer now wraps username in hovercard logic allowing checking the mentioned user.

- ref:  #5586

rhodecode/apps/hovercards/__init__.py

@@ -26,6 +26,10 b' def includeme(config):'
         pattern='/_hovercard/user/{user_id}')
 
     config.add_route(
+        name='hovercard_username',
+        pattern='/_hovercard/username/{username}')
+
+    config.add_route(
         name='hovercard_user_group',
         pattern='/_hovercard/user_group/{user_group_id}')
 

rhodecode/apps/hovercards/views.py

@@ -65,6 +65,19 b' class HoverCardsView(BaseAppView):'
 
     @LoginRequired()
     @view_config(
+        route_name='hovercard_username', request_method='GET', xhr=True,
+        renderer='rhodecode:templates/hovercards/hovercard_user.mako')
+    def hovercard_username(self):
+        c = self.load_default_context()
+        username = self.request.matchdict['username']
+        c.user = User.get_by_username(username)
+        if not c.user:
+            raise HTTPNotFound()
+
+        return self._get_template_context(c)
+
+    @LoginRequired()
+    @view_config(
         route_name='hovercard_user_group', request_method='GET', xhr=True,
         renderer='rhodecode:templates/hovercards/hovercard_user_group.mako')
     def hovercard_user_group(self):

rhodecode/lib/bleach_whitelist.py

@@ -66,11 +66,12 b' markdown_tags = ['
 markdown_attrs = {
     "*": ["class", "style", "align"],
     "img": ["src", "alt", "title"],
-    "a": ["href", "alt", "title", "name"],
+    "a": ["href", "alt", "title", "name", "data-hovercard-alt", "data-hovercard-url"],
     "abbr": ["title"],
     "acronym": ["title"],
     "pre": ["lang"],
-    "input": ["type", "disabled", "checked"]
+    "input": ["type", "disabled", "checked"],
+    "strong": ["title", "data-hovercard-alt", "data-hovercard-url"],
 }
 
 standard_styles = [

rhodecode/lib/markup_renderer.py

@@ -47,6 +47,14 b' log = logging.getLogger(__name__)'
 # default renderer used to generate automated comments
 DEFAULT_COMMENTS_RENDERER = 'rst'
 
+try:
+    from lxml.html import fromstring
+    from lxml.html import tostring
+except ImportError:
+    log.exception('Failed to import lxml')
+    fromstring = None
+    tostring = None
+
 
 class CustomHTMLTranslator(writers.html4css1.HTMLTranslator):
     """
@@ -81,11 +89,7 b' def relative_links(html_source, server_p'
     if not html_source:
         return html_source
 
-    try:
-        from lxml.html import fromstring
-        from lxml.html import tostring
-    except ImportError:
-        log.exception('Failed to import lxml')
+    if not fromstring and tostring:
         return html_source
 
     try:
@@ -210,6 +214,8 b' class MarkupRenderer(object):'
     URL_PAT = re.compile(r'(http[s]?://(?:[a-zA-Z]|[0-9]|[$-_@.&+]'
                          r'|[!*\(\),]|(?:%[0-9a-fA-F][0-9a-fA-F]))+)')
 
+    MENTION_PAT = re.compile(MENTIONS_REGEX)
+
     extensions = ['markdown.extensions.codehilite', 'markdown.extensions.extra',
                   'markdown.extensions.def_list', 'markdown.extensions.sane_lists']
 
@@ -348,6 +354,26 b' class MarkupRenderer(object):'
         return cls.URL_PAT.sub(url_func, text)
 
     @classmethod
+    def convert_mentions(cls, text, mode):
+        mention_pat = cls.MENTION_PAT
+
+        def wrapp(match_obj):
+            uname = match_obj.groups()[0]
+            hovercard_url = "pyroutes.url('hovercard_username', {'username': '%s'});" % uname
+
+            if mode == 'markdown':
+                tmpl = '<strong class="tooltip-hovercard" data-hovercard-alt="{uname}" data-hovercard-url="{hovercard_url}">@{uname}</strong>'
+            elif mode == 'rst':
+                tmpl = ' **@{uname}** '
+            else:
+                raise ValueError('mode must be rst or markdown')
+
+            return tmpl.format(**{'uname': uname,
+                                  'hovercard_url': hovercard_url})
+
+        return mention_pat.sub(wrapp, text).strip()
+
+    @classmethod
     def plain(cls, source, universal_newline=True, leading_newline=True):
         source = safe_unicode(source)
         if universal_newline:
@@ -378,12 +404,7 b' class MarkupRenderer(object):'
                 cls.extensions, cls.output_format)
 
         if mentions:
-            mention_pat = re.compile(MENTIONS_REGEX)
-
-            def wrapp(match_obj):
-                uname = match_obj.groups()[0]
-                return ' **@%(uname)s** ' % {'uname': uname}
-            mention_hl = mention_pat.sub(wrapp, source).strip()
+            mention_hl = cls.convert_mentions(source, mode='markdown')
             # we extracted mentions render with this using Mentions false
             return cls.markdown(mention_hl, safe=safe, flavored=flavored,
                                 mentions=False)
@@ -409,12 +430,7 b' class MarkupRenderer(object):'
     @classmethod
     def rst(cls, source, safe=True, mentions=False, clean_html=False):
         if mentions:
-            mention_pat = re.compile(MENTIONS_REGEX)
-
-            def wrapp(match_obj):
-                uname = match_obj.groups()[0]
-                return ' **@%(uname)s** ' % {'uname': uname}
-            mention_hl = mention_pat.sub(wrapp, source).strip()
+            mention_hl = cls.convert_mentions(source, mode='rst')
             # we extracted mentions render with this using Mentions false
             return cls.rst(mention_hl, safe=safe, mentions=False)
 
@@ -443,7 +459,7 b' class MarkupRenderer(object):'
         except Exception:
             log.exception('Error when rendering RST')
             if safe:
-                log.debug('Fallbacking to render in plain mode')
+                log.debug('Fallback to render in plain mode')
                 return cls.plain(source)
             else:
                 raise

rhodecode/public/css/main.less

@@ -87,6 +87,10 b' body {'
 	border-left: @border-thickness solid @border-default-color;
 }
 
+.cursor-pointer {
+  cursor: pointer;
+}
+
 input + .action-link, .action-link.first{
 	border-left: none;
 }

rhodecode/public/js/rhodecode/routes.js

@@ -31,6 +31,7 b' function registerRCRoutes() {'
     pyroutes.register('repo_integrations_create', '/%(repo_name)s/settings/integrations/%(integration)s/new', ['repo_name', 'integration']);
     pyroutes.register('repo_integrations_edit', '/%(repo_name)s/settings/integrations/%(integration)s/%(integration_id)s', ['repo_name', 'integration', 'integration_id']);
     pyroutes.register('hovercard_user', '/_hovercard/user/%(user_id)s', ['user_id']);
+    pyroutes.register('hovercard_username', '/_hovercard/username/%(username)s', ['username']);
     pyroutes.register('hovercard_user_group', '/_hovercard/user_group/%(user_group_id)s', ['user_group_id']);
     pyroutes.register('hovercard_pull_request', '/_hovercard/pull_request/%(pull_request_id)s', ['pull_request_id']);
     pyroutes.register('hovercard_repo_commit', '/_hovercard/commit/%(repo_name)s/%(commit_id)s', ['repo_name', 'commit_id']);

rhodecode/public/js/src/rhodecode.js

@@ -299,6 +299,10 b' var tooltipActivate = function () {'
                 var altHovercard =$origin.data('hovercardAlt');
 
                 if (hovercardUrl !== undefined && hovercardUrl !== "") {
+                    if (hovercardUrl.substr(0,12) === 'pyroutes.url'){
+                        hovercardUrl = eval(hovercardUrl)
+                    }
+
                     var loaded = loadHoverCard(hovercardUrl, altHovercard, function (data) {
                         instance.content(data);
                     })