forums: add UX for username search results.

JIRA: FOR-627

common/static/coffee/src/discussion/utils.coffee

@@ -73,6 +73,7 @@ class @DiscussionUtil
       downvote_comment        : "/courses/#{$$course_id}/discussion/comments/#{param}/downvote"
       undo_vote_for_comment   : "/courses/#{$$course_id}/discussion/comments/#{param}/unvote"
       upload                  : "/courses/#{$$course_id}/discussion/upload"
+      users                   : "/courses/#{$$course_id}/discussion/users"
       search                  : "/courses/#{$$course_id}/discussion/forum/search"
       retrieve_discussion     : "/courses/#{$$course_id}/discussion/forum/#{param}/inline"
       retrieve_single_thread  : "/courses/#{$$course_id}/discussion/forum/#{param}/threads/#{param1}"

common/static/coffee/src/discussion/views/discussion_thread_list_view.coffee

@@ -445,6 +445,7 @@ if Backbone?
         data: { text: text }
         url: url
         type: "GET"
+        dataType: 'json'
         $loading: $
         loadingCallback: =>
           @$(".post-list").html('<li class="loading"><div class="loading-animation"><span class="sr">' + gettext('Loading thread list') + '</span></div></li>')
@@ -465,10 +466,36 @@ if Backbone?
                 true
               )
               @addSearchAlert(message)
+            else if response.discussion_data.length == 0
+              @addSearchAlert(gettext('No threads matched your query.'))
             # TODO: Perhaps reload user info so that votes can be updated.
             # In the future we might not load all of a user's votes at once
             # so this would probably be necessary anyway
             @displayedCollection.reset(@collection.models) # Don't think this is necessary
+            @searchForUser(text) if text
+
+
+    searchForUser: (text) ->
+      DiscussionUtil.safeAjax
+        data: { username: text }
+        url: DiscussionUtil.urlFor("users")
+        type: "GET"
+        dataType: 'json'
+        error: =>
+          return
+        success: (response) =>
+          if response.users.length > 0
+            message = interpolate(
+              _.escape(gettext('Show posts by %(username)s.')),
+              {"username":
+                _.template('<a class="link-jump" href="<%= url %>"><%- username %></a>', {
+                  url: DiscussionUtil.urlFor("user_profile", response.users[0].id),
+                  username: response.users[0].username
+                })
+              },
+              true
+            )
+            @addSearchAlert(message)
 
     clearSearch: (callback, value) ->
       @$(".post-search-field").val("")

common/test/acceptance/pages/lms/discussion.py

@@ -351,13 +351,13 @@ class DiscussionTabHomePage(CoursePage, DiscussionPageMixin):
     def is_browser_on_page(self):
         return self.q(css=".discussion-body section.home-header").present
 
-    def perform_search(self):
+    def perform_search(self, text="dummy"):
         self.q(css=".discussion-body .sidebar .search").first.click()
         EmptyPromise(
             lambda: self.q(css=".discussion-body .sidebar .search.is-open").present,
             "waiting for search input to be available"
         ).fulfill()
-        self.q(css="#search-discussions").fill("dummy" + chr(10))
+        self.q(css="#search-discussions").fill(text + chr(10))
         EmptyPromise(
             self.is_ajax_finished,
             "waiting for server to return result"
@@ -366,6 +366,9 @@ class DiscussionTabHomePage(CoursePage, DiscussionPageMixin):
     def get_search_alert_messages(self):
         return self.q(css=self.ALERT_SELECTOR + " .message").text
 
+    def get_search_alert_links(self):
+        return self.q(css=self.ALERT_SELECTOR + " .link-jump")
+
     def dismiss_alert_message(self, text):
         """
         dismiss any search alert message containing the specified text.

common/test/acceptance/tests/test_discussion.py

@@ -421,9 +421,18 @@ class DiscussionSearchAlertTest(UniqueCourseTest):
     Tests for spawning and dismissing alerts related to user search actions and their results.
     """
 
+    SEARCHED_USERNAME = "gizmo"
+
     def setUp(self):
         super(DiscussionSearchAlertTest, self).setUp()
         CourseFixture(**self.course_info).install()
+        # first auto auth call sets up a user that we will search for in some tests
+        self.searched_user_id = AutoAuthPage(
+            self.browser,
+            username=self.SEARCHED_USERNAME,
+            course_id=self.course_id
+        ).visit().get_user_id()
+        # this auto auth call creates the actual session user
         AutoAuthPage(self.browser, course_id=self.course_id).visit()
         self.page = DiscussionTabHomePage(self.browser, self.course_id)
         self.page.visit()
@@ -433,12 +442,12 @@ class DiscussionSearchAlertTest(UniqueCourseTest):
 
     def check_search_alert_messages(self, expected):
         actual = self.page.get_search_alert_messages()
-        self.assertTrue(all(map(lambda msg, sub: msg.find(sub) >= 0, actual, expected)))
+        self.assertTrue(all(map(lambda msg, sub: msg.lower().find(sub.lower()) >= 0, actual, expected)))
 
     def test_no_rewrite(self):
         self.setup_corrected_text(None)
         self.page.perform_search()
-        self.check_search_alert_messages([])
+        self.check_search_alert_messages(["no threads"])
 
     def test_rewrite_dismiss(self):
         self.setup_corrected_text("foo")
@@ -458,7 +467,26 @@ class DiscussionSearchAlertTest(UniqueCourseTest):
 
         self.setup_corrected_text(None)
         self.page.perform_search()
-        self.check_search_alert_messages([])
+        self.check_search_alert_messages(["no threads"])
+
+    def test_rewrite_and_user(self):
+        self.setup_corrected_text("foo")
+        self.page.perform_search(self.SEARCHED_USERNAME)
+        self.check_search_alert_messages(["foo", self.SEARCHED_USERNAME])
+
+    def test_user_only(self):
+        self.setup_corrected_text(None)
+        self.page.perform_search(self.SEARCHED_USERNAME)
+        self.check_search_alert_messages(["no threads", self.SEARCHED_USERNAME])
+        # make sure clicking the link leads to the user profile page
+        UserProfileViewFixture([]).push()
+        self.page.get_search_alert_links().first.click()
+        DiscussionUserProfilePage(
+            self.browser,
+            self.course_id,
+            self.searched_user_id,
+            self.SEARCHED_USERNAME
+        ).wait_for_page()
 
 
 class DiscussionSortPreferenceTest(UniqueCourseTest):

lms/static/sass/discussion/_discussion-developer.scss

@@ -70,11 +70,12 @@ body.discussion {
         @include transition(none);
         @extend %t-weight5;
         padding: ($baseline/4) ($baseline/2);
+        color: $white;
 
         // reseting poorly globally scoped hover/focus state for this control
         &:hover, &:focus {
-          color: $link-color;
-          text-decoration: underline;
+          color: $white;
+          text-decoration: none;
         }
       }
     }