Improve CI integration for merge requests

app/views/merge_requests/_show.html.haml

@@ -2,6 +2,8 @@
 = render "merge_requests/show/how_to_merge"
 = render "merge_requests/show/mr_box"
 = render "merge_requests/show/mr_accept"
+- if @project.gitlab_ci?
+  = render "merge_requests/show/mr_ci"
 = render "merge_requests/show/commits"
 
 - if @commits.present?
@@ -28,6 +30,8 @@
     MergeRequest.init({
       url_to_automerge_check: "#{automerge_check_project_merge_request_path(@project, @merge_request)}",
       check_enable: #{@merge_request.state == MergeRequest::UNCHECKED ? "true" : "false"},
+      url_to_ci_check: "#{ci_status_project_merge_request_path(@project, @merge_request)}",
+      ci_enable: #{@project.gitlab_ci? ? "true" : "false"},
       current_state: "#{@merge_request.human_state}",
       action: "#{controller.action_name}"
     });

app/views/merge_requests/show/_mr_box.html.haml

@@ -6,9 +6,6 @@
       - else
         .alert-message.success.status_info Open
       = gfm escape_once(@merge_request.title)
-      - if @project.gitlab_ci?
-        .right
-          = image_tag ci_status_path, class: 'status-badge'
 
   .middle_box_content
     %div

app/views/merge_requests/show/_mr_ci.html.haml

@@ -0,0 +1,35 @@
+- if @merge_request.open? && @commits.any?
+  .ci_widget.ci-success{style: "display:none"}
+    .alert.alert-success
+      %i.icon-ok
+      %strong CI build passed
+      for #{@merge_request.last_commit_short_sha}.
+      = link_to "Build page", ci_build_details_path(@merge_request)
+
+
+  .ci_widget.ci-failed{style: "display:none"}
+    .alert.alert-error
+      %i.icon-remove
+      %strong CI build failed
+      for #{@merge_request.last_commit_short_sha}.
+      = link_to "Build page", ci_build_details_path(@merge_request)
+
+  - [:running, :pending].each do |status|
+    .ci_widget{class: "ci-#{status}", style: "display:none"}
+      .alert
+        %i.icon-time
+        %strong CI build #{status}
+        for #{@merge_request.last_commit_short_sha}.
+        = link_to "Build page", ci_build_details_path(@merge_request)
+
+  .ci_widget
+    .alert-message
+      %strong
+        %i.icon-refresh
+        Checking for CI status for #{@merge_request.last_commit_short_sha}
+
+  .ci_widget.ci-error{style: "display:none"}
+    .alert.alert-error
+      %i.icon-remove
+      %strong Cannot connect to CI server. Please check your setting
+