Simplify set of assignee, milestone and label to admin_issue rule

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

app/assets/stylesheets/pages/issues.scss

@@ -145,9 +145,3 @@ h2.issue-title {
 .issue-form .select2-container {
   width: 250px !important;
 }
-
-.issues-holder {
-  .issue-info {
-    margin-left: 20px;
-  }
-}

app/models/ability.rb

@@ -154,9 +154,6 @@ class Ability
       project_guest_rules + [
         :download_code,
         :fork_project,
-        :set_assignee,
-        :set_milestone,
-        :set_label,
         :write_project_snippet
       ]
     end
@@ -188,7 +185,6 @@ class Ability
         :modify_issue,
         :modify_project_snippet,
         :modify_merge_request,
-        :admin_issue,
         :admin_milestone,
         :admin_project_snippet,
         :admin_project_member,

app/services/issuable_base_service.rb

@@ -28,15 +28,9 @@ class IssuableBaseService < BaseService
   end
 
   def filter_params
-    unless can?(current_user, :set_milestone, project)
+    unless can?(current_user, :admin_issue, project)
       params.delete(:milestone_id)
-    end
-
-    unless can?(current_user, :set_label, project)
       params.delete(:label_ids)
-    end
-
-    unless can?(current_user, :set_assignee, project)
       params.delete(:assignee_id)
     end
   end

app/views/projects/issues/_issue.html.haml

 %li{ id: dom_id(issue), class: issue_css_classes(issue), url: issue_path(issue) }
-  - if controller.controller_name == 'issues'
+  - if controller.controller_name == 'issues' && can?(current_user, :admin_issue, @project)
     .issue-check
-      = check_box_tag dom_id(issue,"selected"), nil, false, 'data-id' => issue.id, class: "selected_issue", disabled: !can?(current_user, :set_assignee, issue)
+      = check_box_tag dom_id(issue,"selected"), nil, false, 'data-id' => issue.id, class: "selected_issue"
 
   .issue-title
     %span.issue-title-text

app/views/shared/issuable/_context.html.haml

@@ -8,7 +8,7 @@
       - else
         none
     .issuable-context-selectbox
-      - if can?(current_user, :set_assignee, @project)
+      - if can?(current_user, :admin_issue, @project)
         = users_select_tag("#{issuable.class.table_name.singularize}[assignee_id]", placeholder: 'Select assignee', class: 'custom-form-control js-select2 js-assignee', selected: issuable.assignee_id, project: @target_project, null_user: true)
 
   %div.prepend-top-20.clearfix
@@ -24,7 +24,7 @@
       - else
         none
     .issuable-context-selectbox
-      - if can?(current_user, :set_milestone, @project)
+      - if can?(current_user, :admin_issue, @project)
         = f.select(:milestone_id, milestone_options(issuable), { include_blank: 'Select milestone' }, {class: 'select2 select2-compact js-select2 js-milestone'})
         = hidden_field_tag :issuable_context
         = f.submit class: 'btn hide'

app/views/shared/issuable/_filter.html.haml

@@ -29,11 +29,10 @@
 
   .issues-details-filters
     = form_tag page_filter_path(without: [:assignee_id, :author_id, :milestone_title, :label_name]), method: :get, class: 'filter-form' do
-      - if controller.controller_name == 'issues'
+      - if controller.controller_name == 'issues' && can?(current_user, :admin_issue, @project)
         .check-all-holder
           = check_box_tag "check_all_issues", nil, false,
-            class: "check_all_issues left",
-            disabled: !can?(current_user, :modify_issue, @project)
+            class: "check_all_issues left"
       .issues-other-filters
         .filter-item.inline
           = users_select_tag(:assignee_id, selected: params[:assignee_id],

app/views/shared/issuable/_form.html.haml

@@ -38,7 +38,7 @@
       .clearfix
       .error-alert
   %hr
-- if can?(current_user, :set_assignee, @project)
+- if can?(current_user, :admin_issue, @project)
   .form-group
     .issue-assignee
       = f.label :assignee_id, class: 'control-label' do
@@ -50,7 +50,6 @@
             selected: issuable.assignee_id, project: @target_project || @project)
          
         = link_to 'Assign to me', '#', class: 'btn assign-to-me-link'
-- if can?(current_user, :set_milestone, @project)
   .form-group
     .issue-milestone
       = f.label :milestone_id, class: 'control-label' do
@@ -66,7 +65,6 @@
          
         - if can? current_user, :admin_milestone, issuable.project
           = link_to 'Create new milestone', new_namespace_project_milestone_path(issuable.project.namespace, issuable.project), target: :blank
-- if can?(current_user, :set_label, @project)
   .form-group
     = f.label :label_ids, class: 'control-label' do
       %i.fa.fa-tag