Add Milestone information in Merge Requests

Step 1:
* Add milestone_id in the model for merge_requests
* Make it possible to create or update a Merge Request with an attached
  Milestone detail
* Add the possibility to filter by Milestone and / or Assignee in the
  Merge Requests listing page

app/assets/javascripts/merge_requests.js

@@ -115,4 +115,15 @@ var MergeRequest = {
         $(".merge_in_progress").hide();
         $(".automerge_widget.already_cannot_be_merged").show();
     }
+};
+
+/*
+ * Filter merge requests
+ */
+function merge_requestsPage() {
+  $("#assignee_id").chosen();
+  $("#milestone_id").chosen();
+  $("#milestone_id, #assignee_id").on("change", function(){
+    $(this).closest("form").submit();
+  });
 }

app/assets/stylesheets/sections/merge_requests.scss

@@ -121,3 +121,20 @@ li.merge_request {
 .mr_direction_tip {
   margin-top:40px
 }
+
+.merge_requests_form_box {
+  @extend .main_box;
+  .merge_requests_middle_box {
+    @extend .middle_box_content;
+    height:30px;
+    .merge_requests_assignee {
+      @extend .span6;
+      float:left;
+    }
+    .merge_requests_milestone {
+      @extend .span4;
+      float:left;
+    }
+  }
+}
+

app/contexts/merge_requests_load_context.rb

@@ -2,7 +2,7 @@ class MergeRequestsLoadContext < BaseContext
   def execute
     type = params[:f]
 
-    merge_requests = project.merge_requests
+    merge_requests = @project.merge_requests
 
     merge_requests = case type
                      when 'all' then merge_requests
@@ -12,5 +12,18 @@ class MergeRequestsLoadContext < BaseContext
                      end.page(params[:page]).per(20)
 
     merge_requests.includes(:author, :project).order("closed, created_at desc")
+
+    @merge_requests = merge_requests
+
+    # Filter by specific assignee_id (or lack thereof)?
+    if params[:assignee_id].present?
+      @merge_requests = merge_requests.where(assignee_id: (params[:assignee_id] == '0' ? nil : params[:assignee_id]))
+    end
+
+    # Filter by specific milestone_id (or lack thereof)?
+    if params[:milestone_id].present?
+      @merge_requests = merge_requests.where(milestone_id: (params[:milestone_id] == '0' ? nil : params[:milestone_id]))
+    end
+	@merge_requests
   end
 end

app/models/merge_request.rb

@@ -4,11 +4,13 @@ class MergeRequest < ActiveRecord::Base
   include IssueCommonality
   include Votes
 
-  attr_accessible :title, :assignee_id, :closed, :target_branch, :source_branch,
+  attr_accessible :title, :assignee_id, :closed, :target_branch, :source_branch, :milestone_id,
                   :author_id_of_changes
 
   attr_accessor :should_remove_source_branch
 
+  belongs_to :milestone
+
   BROKEN_DIFF = "--broken-diff"
 
   UNCHECKED = 1
@@ -26,6 +28,10 @@ class MergeRequest < ActiveRecord::Base
     where("source_branch LIKE :branch OR target_branch LIKE :branch", branch: branch_name)
   end
 
+  def self.find_all_by_milestone(milestone)
+    where("milestone_id = :milestone_id", milestone_id: milestone)
+  end
+
   def human_state
     states = {
       CAN_BE_MERGED =>  "can_be_merged",
@@ -212,5 +218,6 @@ end
 #  st_diffs      :text(4294967295
 #  merged        :boolean         default(FALSE), not null
 #  state         :integer         default(1), not null
+#  milestone_id  :integer
 #
 

app/views/merge_requests/_form.html.haml

@@ -28,16 +28,22 @@
   %h4.cdark 2. Fill info
 
   .clearfix
-    .main_box
+    .merge_requests_form_box
       .top_box_content
         = f.label :title do 
           %strong= "Title *"
         .input= f.text_field :title, class: "input-xxlarge pad gfm-input", maxlength: 255, rows: 5
-      .middle_box_content
+      .merge_requests_middle_box
+        .merge_requests_assignee
           = f.label :assignee_id do
             %i.icon-user
             Assign to
           .input= f.select(:assignee_id, @project.users.all.collect {|p| [ p.name, p.id ] }, { include_blank: "Select user" }, {class: 'chosen span3'})
+        .merge_requests_milestone
+          = f.label :milestone_id do
+            %i.icon-time
+            Milestone
+          .input= f.select(:milestone_id, @project.milestones.active.all.collect {|p| [ p.title, p.id ] }, { include_blank: "Select milestone" }, {class: 'chosen'})
 
   .control-group
 

app/views/merge_requests/index.html.haml

@@ -9,19 +9,26 @@
 
 .ui-box
   .title
+    .left
       %ul.nav.nav-pills
         %li{class: ("active" if (params[:f] == 'open' || !params[:f]))}
-        = link_to project_merge_requests_path(@project, f: 'open') do
+          = link_to project_merge_requests_path(@project, f: 'open', milestone_id: params[:milestone_id]) do
             Open
         %li{class: ("active" if params[:f] == "closed")}
-        = link_to project_merge_requests_path(@project, f: "closed") do
+          = link_to project_merge_requests_path(@project, f: "closed", milestone_id: params[:milestone_id]) do
             Closed
         %li{class: ("active" if params[:f] == 'assigned-to-me')}
-        = link_to project_merge_requests_path(@project, f: 'assigned-to-me') do
+          = link_to project_merge_requests_path(@project, f: 'assigned-to-me', milestone_id: params[:milestone_id]) do
             To Me
         %li{class: ("active" if params[:f] == 'all')}
-        = link_to project_merge_requests_path(@project, f: 'all') do
+          = link_to project_merge_requests_path(@project, f: 'all', milestone_id: params[:milestone_id]) do
             All
+    .right
+      = form_tag project_merge_requests_path(@project), id: "merge_requests_search_form", method: :get, class: :right  do
+        = select_tag(:assignee_id, options_from_collection_for_select([unassigned_filter] + @project.users.all, "id", "name", params[:assignee_id]), prompt: "Assignee")
+        = select_tag(:milestone_id, options_from_collection_for_select([unassigned_filter] + @project.milestones.order("id desc").all, "id", "title", params[:milestone_id]), prompt: "Milestone")
+        = hidden_field_tag :f, params[:f]
+    .clearfix
 
   %ul.unstyled
     = render @merge_requests
@@ -35,3 +42,7 @@
           .span4.right
             %span.cgray.right #{@merge_requests.total_count} merge requests for this filter
 
+:javascript
+  $(function() {
+      merge_requestsPage();
+    })

db/migrate/20121026114600_add_milestone_id_to_merge_requests.rb

+class AddMilestoneIdToMergeRequests < ActiveRecord::Migration
+  def change
+    add_column :merge_requests, :milestone_id, :integer, :null => true
+  end
+end

db/schema.rb

@@ -11,7 +11,7 @@
 #
 # It's strongly recommended to check this file into your version control system.
 
-ActiveRecord::Schema.define(:version => 20121009205010) do
+ActiveRecord::Schema.define(:version => 20121026114600) do
 
   create_table "events", :force => true do |t|
     t.string   "target_type"
@@ -73,6 +73,7 @@ ActiveRecord::Schema.define(:version => 20121009205010) do
     t.text     "st_diffs",      :limit => 2147483647
     t.boolean  "merged",                              :default => false, :null => false
     t.integer  "state",                               :default => 1,     :null => false
+    t.integer  "milestone_id"
   end
 
   add_index "merge_requests", ["project_id"], :name => "index_merge_requests_on_project_id"