Refactor merge request widget step 2

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

app/assets/javascripts/merge_request.js.coffee

@@ -27,14 +27,11 @@ class @MergeRequest
     this.bindEvents()
     this.activateTabFromPath()
 
-    this.initMergeWidget()
     this.$('.show-all-commits').on 'click', =>
       this.showAllCommits()
 
     modal = $('#modal_merge_info').modal(show: false)
 
-    disableButtonIfEmptyField '#commit_message', '.accept_merge_request'
-
     # Prevent duplicate event bindings
     @disableTaskList()
 
@@ -63,14 +60,11 @@ class @MergeRequest
     $(".context .inline-update").on "change", "#merge_request_assignee_id", ->
       $(this).submit()
 
-  initMergeWidget: ->
-    this.showState( @opts.current_status )
-
-    if this.$('.automerge_widget').length and @opts.check_enable
-      $.get @opts.url_to_automerge_check, (data) =>
-        this.showState( data.merge_status )
-      , 'json'
+  getMergeStatus: ->
+    $.get @opts.url_to_automerge_check, (data) ->
+      $('.mr-state-widget').replaceWith(data)
 
+  getCiStatus: ->
     if @opts.ci_enable
       $.get @opts.url_to_ci_check, (data) =>
         this.showCiState data.status
@@ -92,10 +86,6 @@ class @MergeRequest
       unless @opts.action == 'new'
         @setCurrentAction(tab_action)
 
-    this.$('.accept_merge_request').on 'click', ->
-      $('.automerge_widget.can_be_merged').hide()
-      $('.merge-in-progress').show()
-
     this.$('.remove_source_branch').on 'click', ->
       $('.remove_source_branch_widget').hide()
       $('.remove_source_branch_in_progress').show()
@@ -157,10 +147,6 @@ class @MergeRequest
     # See https://github.com/rails/turbolinks/issues/363
     history.replaceState {turbolinks: true, url: new_state}, '', new_state
 
-  showState: (state) ->
-    $('.automerge_widget').hide()
-    $('.automerge_widget.' + state).show()
-
   showCiState: (state) ->
     $('.ci_widget').hide()
     allowed_states = ["failed", "canceled", "running", "pending", "success"]
@@ -198,11 +184,6 @@ class @MergeRequest
     this.$('.first-commits').remove()
     this.$('.all-commits').removeClass 'hide'
 
-  alreadyOrCannotBeMerged: ->
-    this.$('.automerge_widget').hide()
-    this.$('.merge-in-progress').hide()
-    this.$('.automerge_widget.already_cannot_be_merged').show()
-
   setMergeButtonClass: (css_class) ->
     $('.accept_merge_request').removeClass("btn-create").addClass(css_class)
 

app/assets/stylesheets/pages/merge_requests.scss

@@ -3,7 +3,7 @@
    * MR -> show: Automerge widget
  *
  */
-.automerge_widget {
+.mr-state-widget {
   form {
     margin-bottom: 0;
     .clearfix {

app/controllers/projects/merge_requests_controller.rb

@@ -139,7 +139,11 @@ class Projects::MergeRequestsController < Projects::ApplicationController
       @merge_request.check_if_can_be_merged
     end
 
-    render json: { merge_status: @merge_request.automerge_status }
+    @allowed_to_merge = allowed_to_merge?
+    closes_issues
+
+    render partial: "projects/merge_requests/widget/show.html.haml",
+      layout: false
   end
 
   def automerge
@@ -151,6 +155,10 @@ class Projects::MergeRequestsController < Projects::ApplicationController
     else
       @status = false
     end
+
+    respond_to do |format|
+      format.js
+    end
   end
 
   def branch_from

app/views/projects/merge_requests/automerge.js.haml

--if @status
+- if @status
   :plain
-    merge_request.mergeInProgress();
--else
+    merge_request.getMergeStatus();
+- else
   :plain
-    merge_request.alreadyOrCannotBeMerged()
+    $('.mr-widget-body').html("#{escape_javascript(render('projects/merge_requests/widget/open/reload'))}");

app/views/projects/merge_requests/widget/_closed.html.haml

 .mr-state-widget
-  = render 'heading'
+  = render 'projects/merge_requests/widget/heading'
   .mr-widget-body
     %h4
       Rejected

app/views/projects/merge_requests/widget/_heading.html.haml

@@ -32,3 +32,7 @@
     .ci_widget.ci-error{style: "display:none"}
       = icon("times")
       %span Cannot connect to the CI server. Please check your settings and try again.
+
+  :coffeescript
+    $ ->
+      merge_request.getCiStatus()

app/views/projects/merge_requests/widget/_locked.html.haml

 .mr-state-widget
-  = render 'heading'
+  = render 'projects/merge_requests/widget/heading'
   .mr-widget-body
     %h4
       Merge in progress...

app/views/projects/merge_requests/widget/_merged.html.haml

 .mr-state-widget
-  = render 'heading'
+  = render 'projects/merge_requests/widget/heading'
   .mr-widget-body
     %h4
       Accepted

app/views/projects/merge_requests/widget/_mr_accept.html.haml

-- if @show_merge_controls
-  .automerge_widget.can_be_merged.hide
-    .clearfix
-
-  .automerge_widget.cannot_be_merged.hide
-
-    %p
-      %button.btn.disabled{:type => 'button'}
-        %i.fa.fa-warning
-        Accept Merge Request
-       
-      This happens when Git is not able to automatically resolve conflicts between branches.
-
-
-  .automerge_widget.unchecked
-
-  .automerge_widget.already_cannot_be_merged.hide
-    %p
-      %strong This merge request cannot be merged. Try to reload the page.
-

app/views/projects/merge_requests/widget/_open.html.haml

@@ -5,7 +5,7 @@
       = render 'projects/merge_requests/widget/open/archived'
     - elsif !@project.satellite.exists?
       = render 'projects/merge_requests/widget/open/no_satellite'
-    - elsif @commits.blank?
+    - elsif @merge_request.commits.blank?
       = render 'projects/merge_requests/widget/open/nothing'
     - elsif @merge_request.branch_missing?
       = render 'projects/merge_requests/widget/open/missing_branch'

app/views/projects/merge_requests/widget/open/_accept.html.haml

 = form_for [:automerge, @project.namespace.becomes(Namespace), @project, @merge_request], remote: true, method: :post do |f|
+  = hidden_field_tag :authenticity_token, form_authenticity_token
   .accept-merge-holder.clearfix.js-toggle-container
     .accept-action
       = f.submit "Accept Merge Request", class: "btn btn-create accept_merge_request"
@@ -22,3 +23,8 @@
     %strong
       = link_to "command line", "#modal_merge_info", class: "how_to_merge_link vlink", title: "How To Merge", "data-toggle" => "modal"
 
+  :coffeescript
+    disableButtonIfEmptyField '#commit_message', '.accept_merge_request'
+
+    $('.accept_merge_request').on 'click', ->
+      $('.mr-widget-body').html("#{escape_javascript(render('projects/merge_requests/widget/open/mip'))}")

app/views/projects/merge_requests/widget/open/_check.html.haml

@@ -2,3 +2,7 @@
   %strong
     %i.fa.fa-spinner.fa-spin
     Checking automatic merge…
+
+:coffeescript
+  $ ->
+    merge_request.getMergeStatus()

app/views/projects/merge_requests/widget/open/_conflict.html.haml

-%h4
-  This merge request contains merge conflicts that must be resolved.
-  You can try it manually on the
-  %strong
-    = link_to "command line", "#modal_merge_info", class: "how_to_merge_link vlink", title: "How To Merge", "data-toggle" => "modal"

app/views/projects/merge_requests/widget/open/_conflicts.html.haml

+- if @allowed_to_merge
+  %h4
+    This merge request contains merge conflicts that must be resolved.
+    You can try it manually on the
+    %strong
+      = link_to "command line", "#modal_merge_info", class: "how_to_merge_link vlink", title: "How To Merge", "data-toggle" => "modal"
+- else
+  %strong This merge request contains merge conflicts that must be resolved.
+  Only those with write access to this repository can merge merge requests.

app/views/projects/merge_requests/widget/open/_not_allowed.html.haml

-.automerge_widget.cannot_be_merged.hide
-  %strong This merge request contains merge conflicts that must be resolved.
-  Only those with write access to this repository can merge merge requests.
-.automerge_widget.work_in_progress.hide
-  %strong This merge request is marked as Work In Progress.
-  Only those with write access to this repository can merge merge requests.
-.automerge_widget.can_be_merged.hide
-  %strong This request can be merged automatically.
-  Only those with write access to this repository can merge merge requests.
+%strong This request can be merged automatically.
+Only those with write access to this repository can merge merge requests.

app/views/projects/merge_requests/widget/open/_reload.html.haml

+This merge request cannot be merged. Try to reload the page.

app/views/projects/merge_requests/widget/open/_wip.html.haml

-%h4
+- if @allowed_to_merge
+  %h4
     This merge request cannot be accepted because it is marked as Work In Progress.
 
-%p
+  %p
     %button.btn.disabled{:type => 'button'}
       %i.fa.fa-warning
       Accept Merge Request
      
     When the merge request is ready, remove the "WIP" prefix from the title to allow it to be accepted.
+- else
+  %strong This merge request is marked as Work In Progress.
+  Only those with write access to this repository can merge merge requests.