Merge branch 'ee-41255-refactoring-of-blob-link-methods-in-blob_helper' into 'master'

[EE] Resolve "Refactoring of blob link methods in blob_helper"

See merge request gitlab-org/gitlab-ee!4722

app/helpers/blob_helper.rb

@@ -16,71 +16,38 @@ module BlobHelper
                            options[:link_opts])
   end
 
-  def edit_blob_link(project = @project, ref = @ref, path = @path, options = {})
-    blob = options.delete(:blob)
-    blob ||= project.repository.blob_at(ref, path) rescue nil
-
-    return unless blob && blob.readable_text?
-
-    common_classes = "btn js-edit-blob #{options[:extra_class]}"
-
-    if !on_top_of_branch?(project, ref)
-      button_tag 'Edit', class: "#{common_classes} disabled has-tooltip", title: "You can only edit files when you are on a branch", data: { container: 'body' }
-    # This condition applies to anonymous or users who can edit directly
-    elsif !current_user || (current_user && can_modify_blob?(blob, project, ref))
-      link_to 'Edit', edit_blob_path(project, ref, path, options), class: "#{common_classes} btn-sm"
-    elsif current_user && can?(current_user, :fork_project, project)
-      continue_params = {
-        to: edit_blob_path(project, ref, path, options),
-        notice: edit_in_new_fork_notice,
-        notice_now: edit_in_new_fork_notice_now
-      }
-      fork_path = project_forks_path(project, namespace_key: current_user.namespace.id, continue: continue_params)
-
-      button_tag 'Edit',
-        class: "#{common_classes} js-edit-blob-link-fork-toggler",
-        data: { action: 'edit', fork_path: fork_path }
-    end
-  end
-
   def ide_edit_path(project = @project, ref = @ref, path = @path, options = {})
     "#{ide_path}/project#{edit_blob_path(project, ref, path, options)}"
   end
 
-  def ide_edit_text
-    "#{_('Web IDE')}"
-  end
+  def edit_blob_button(project = @project, ref = @ref, path = @path, options = {})
+    return unless blob = readable_blob(options, path, project, ref)
 
-  def ide_blob_link(project = @project, ref = @ref, path = @path, options = {})
-    return unless show_new_ide?(project)
+    common_classes = "btn js-edit-blob #{options[:extra_class]}"
 
-    blob = options.delete(:blob)
-    blob ||= project.repository.blob_at(ref, path) rescue nil
+    edit_button_tag(blob,
+                    common_classes,
+                    _('Edit'),
+                    edit_blob_path(project, ref, path, options),
+                    project,
+                    ref)
+  end
 
-    return unless blob && blob.readable_text?
+  def ide_edit_button(project = @project, ref = @ref, path = @path, options = {})
+    return unless show_new_ide?(project)
+    return unless blob = readable_blob(options, path, project, ref)
 
     common_classes = "btn js-edit-ide #{options[:extra_class]}"
 
-    if !on_top_of_branch?(project, ref)
-      button_tag ide_edit_text, class: "#{common_classes} disabled has-tooltip", title: _('You can only edit files when you are on a branch'), data: { container: 'body' }
-    # This condition applies to anonymous or users who can edit directly
-    elsif current_user && can_modify_blob?(blob, project, ref)
-      link_to ide_edit_text, ide_edit_path(project, ref, path, options), class: "#{common_classes} btn-sm"
-    elsif current_user && can?(current_user, :fork_project, project)
-      continue_params = {
-        to: ide_edit_path(project, ref, path, options),
-        notice: edit_in_new_fork_notice,
-        notice_now: edit_in_new_fork_notice_now
-      }
-      fork_path = project_forks_path(project, namespace_key: current_user.namespace.id, continue: continue_params)
-
-      button_tag ide_edit_text,
-        class: common_classes,
-        data: { fork_path: fork_path }
-    end
+    edit_button_tag(blob,
+                    common_classes,
+                    _('Web IDE'),
+                    ide_edit_path(project, ref, path, options),
+                    project,
+                    ref)
   end
 
-  def modify_file_link(project = @project, ref = @ref, path = @path, label:, action:, btn_class:, modal_type:)
+  def modify_file_button(project = @project, ref = @ref, path = @path, label:, action:, btn_class:, modal_type:)
     return unless current_user
 
     blob = project.repository.blob_at(ref, path) rescue nil
@@ -96,21 +63,12 @@ module BlobHelper
     elsif can_modify_blob?(blob, project, ref)
       button_tag label, class: "#{common_classes}", 'data-target' => "#modal-#{modal_type}-blob", 'data-toggle' => 'modal'
     elsif can?(current_user, :fork_project, project)
-      continue_params = {
-        to: request.fullpath,
-        notice: edit_in_new_fork_notice + " Try to #{action} this file again.",
-        notice_now: edit_in_new_fork_notice_now
-      }
-      fork_path = project_forks_path(project, namespace_key: current_user.namespace.id, continue: continue_params)
-
-      button_tag label,
-        class: "#{common_classes} js-edit-blob-link-fork-toggler",
-        data: { action: action, fork_path: fork_path }
+      edit_fork_button_tag(common_classes, project, label, edit_modify_file_fork_params(action), action)
     end
   end
 
   def replace_blob_link(project = @project, ref = @ref, path = @path)
-    modify_file_link(
+    modify_file_button(
       project,
       ref,
       path,
@@ -122,7 +80,7 @@ module BlobHelper
   end
 
   def delete_blob_link(project = @project, ref = @ref, path = @path)
-    modify_file_link(
+    modify_file_button(
       project,
       ref,
       path,
@@ -332,4 +290,55 @@ module BlobHelper
 
     options
   end
+
+  def readable_blob(options, path, project, ref)
+    blob = options.delete(:blob)
+    blob ||= project.repository.blob_at(ref, path) rescue nil
+
+    blob if blob&.readable_text?
+  end
+
+  def edit_blob_fork_params(path)
+    {
+      to: path,
+      notice: edit_in_new_fork_notice,
+      notice_now: edit_in_new_fork_notice_now
+    }
+  end
+
+  def edit_modify_file_fork_params(action)
+    {
+      to: request.fullpath,
+      notice: edit_in_new_fork_notice_action(action),
+      notice_now: edit_in_new_fork_notice_now
+    }
+  end
+
+  def edit_fork_button_tag(common_classes, project, label, params, action = 'edit')
+    fork_path = project_forks_path(project, namespace_key: current_user.namespace.id, continue: params)
+
+    button_tag label,
+               class: "#{common_classes} js-edit-blob-link-fork-toggler",
+               data: { action: action, fork_path: fork_path }
+  end
+
+  def edit_disabled_button_tag(button_text, common_classes)
+    button_tag(button_text, class: "#{common_classes} disabled has-tooltip", title: _('You can only edit files when you are on a branch'), data: { container: 'body' })
+  end
+
+  def edit_link_tag(link_text, edit_path, common_classes)
+    link_to link_text, edit_path, class: "#{common_classes} btn-sm"
+  end
+
+  def edit_button_tag(blob, common_classes, text, edit_path, project, ref)
+    if !on_top_of_branch?(project, ref)
+      edit_disabled_button_tag(text, common_classes)
+      # This condition only applies to users who are logged in
+      # Web IDE (Beta) requires the user to have this feature enabled
+    elsif !current_user || (current_user && can_modify_blob?(blob, project, ref))
+      edit_link_tag(text, edit_path, common_classes)
+    elsif current_user && can?(current_user, :fork_project, project)
+      edit_fork_button_tag(common_classes, project, text, edit_blob_fork_params(edit_path))
+    end
+  end
 end

app/helpers/tree_helper.rb

@@ -83,6 +83,10 @@ module TreeHelper
       " A fork of this project has been created that you can make changes in, so you can submit a merge request."
   end
 
+  def edit_in_new_fork_notice_action(action)
+    edit_in_new_fork_notice + " Try to #{action} this file again."
+  end
+
   def commit_in_fork_help
     "A new branch will be created in your fork and a new merge request will be started."
   end

app/views/projects/blob/_header.html.haml

@@ -13,8 +13,8 @@
     .btn-group{ role: "group" }<
       = lock_file_link(html_options: { class: 'btn btn-sm path-lock' })
 
-      = edit_blob_link
-      = ide_blob_link
+      = edit_blob_button
+      = ide_edit_button
       - if current_user
         = replace_blob_link
         = delete_blob_link

app/views/projects/diffs/_file.html.haml

@@ -17,7 +17,7 @@
           \
           - if editable_diff?(diff_file)
             - link_opts = @merge_request.persisted? ? { from_merge_request_iid: @merge_request.iid } : {}
-            = edit_blob_link(@merge_request.source_project, @merge_request.source_branch, diff_file.new_path,
+            = edit_blob_button(@merge_request.source_project, @merge_request.source_branch, diff_file.new_path,
                              blob: blob, link_opts: link_opts)
 
         - if image_diff && image_replaced

app/views/projects/tree/_tree_header.html.haml

@@ -80,6 +80,6 @@
   - if show_new_ide?(@project)
     = succeed " " do
       = link_to ide_edit_path(@project, @id), class: 'btn btn-default' do
-        = ide_edit_text
+        = _('Web IDE')
 
   = render 'projects/buttons/download', project: @project, ref: @ref

spec/helpers/blob_helper_spec.rb

@@ -86,7 +86,7 @@ describe BlobHelper do
     it 'verifies blob is text' do
       expect(helper).not_to receive(:blob_text_viewable?)
 
-      button = edit_blob_link(project, 'refs/heads/master', 'README.md')
+      button = edit_blob_button(project, 'refs/heads/master', 'README.md')
 
       expect(button).to start_with('<button')
     end
@@ -96,17 +96,17 @@ describe BlobHelper do
 
       expect(project.repository).not_to receive(:blob_at)
 
-      edit_blob_link(project, 'refs/heads/master', 'README.md', blob: blob)
+      edit_blob_button(project, 'refs/heads/master', 'README.md', blob: blob)
     end
 
     it 'returns a link with the proper route' do
-      link = edit_blob_link(project, 'master', 'README.md')
+      link = edit_blob_button(project, 'master', 'README.md')
 
       expect(Capybara.string(link).find_link('Edit')[:href]).to eq("/#{project.full_path}/edit/master/README.md")
     end
 
     it 'returns a link with the passed link_opts on the expected route' do
-      link = edit_blob_link(project, 'master', 'README.md', link_opts: { mr_id: 10 })
+      link = edit_blob_button(project, 'master', 'README.md', link_opts: { mr_id: 10 })
 
       expect(Capybara.string(link).find_link('Edit')[:href]).to eq("/#{project.full_path}/edit/master/README.md?mr_id=10")
     end