feat: 麵包屑改用新的 gem

Author: marsz

Gemfile

@@ -131,7 +131,7 @@ gem 'omniauth-oauth2'
 gem 'jquery-ui-rails'
 
 # SEO
-gem 'crummy'
+gem 'breadcrumbs_on_rails'
 gem 'meta-tags', require: 'meta_tags'
 gem 'sitemap_generator'
 

Gemfile.lock

@@ -81,6 +81,7 @@ GEM
     aws-sigv4 (1.0.2)
     bcrypt (3.1.11)
     bindex (0.5.0)
+    breadcrumbs_on_rails (3.0.1)
     builder (3.2.3)
     byebug (9.1.0)
     capistrano (3.9.1)
@@ -117,7 +118,6 @@ GEM
     connection_pool (2.2.1)
     crack (0.4.3)
       safe_yaml (~> 1.0.0)
-    crummy (1.8.0)
     dalli (2.7.6)
     database_cleaner (1.6.1)
     devise (4.3.0)
@@ -470,6 +470,7 @@ DEPENDENCIES
   annotate
   asset_sync
   aws-sdk-rails
+  breadcrumbs_on_rails
   byebug
   capistrano-rails
   capistrano-rbenv
@@ -479,7 +480,6 @@ DEPENDENCIES
   carrierwave_backgrounder!
   coffee-rails (~> 4.2)
   connection_pool
-  crummy
   dalli
   database_cleaner
   devise

app/builders/admin_breadcrumbs_builder.rb

@@ -0,0 +1,23 @@
+# ref: https://github.com/weppos/breadcrumbs_on_rails/blob/master/lib/breadcrumbs_on_rails/breadcrumbs.rb#L72
+class AdminBreadcrumbsBuilder < BreadcrumbsOnRails::Breadcrumbs::Builder
+  def render
+    @context.content_tag(:ol, class: 'breadcrumb') do
+      @elements.collect do |element|
+        render_element(element)
+      end.join('').html_safe
+    end
+  end
+
+  private
+
+  def render_element(element)
+    last = element == @elements.last
+    @context.content_tag(:li, class: "breadcrumb-item #{'active' if last}") do
+      if element.path == nil || last
+        compute_name(element)
+      else
+        @context.link_to_unless_current(compute_name(element), compute_path(element), element.options)
+      end
+    end
+  end
+end

app/form_builders/admin_form_builder.rb app/builders/admin_form_builder.rb

@@ -6,9 +6,7 @@ class Admin::BaseController < ApplicationController
   before_action :authenticate_admin_user!
   before_action :set_meta
 
-  before_action do
-    add_crumb 'Admin', admin_root_path
-  end
+  add_breadcrumb 'Admin', :admin_root_path
 
   def index
     @admin_page_title = 'Admin'

app/controllers/admin/base_controller.rb

@@ -1,6 +1,9 @@
 class Admin::CategoriesController < Admin::BaseController
   before_action :category
-  before_action { add_crumb('Categories', admin_categories_path) }
+  add_breadcrumb('Categories', :admin_categories_path)
+  before_action do
+    add_breadcrumb(@category.name, admin_category_path(@category)) if @category.try(:id)
+  end
 
   def index
     @admin_page_title = 'Categories'
@@ -11,23 +14,21 @@ def index
 
   def show
     @admin_page_title = "##{@category.id} #{@category.name}"
-    add_crumb @admin_page_title, '#'
   end
 
   def new
-    @admin_page_title = 'New Category'
-    add_crumb @admin_page_title, '#'
+    @admin_page_title = 'New'
+    add_breadcrumb @admin_page_title
   end
 
   def edit
-    @admin_page_title = 'Edit Category'
-    add_crumb @admin_page_title, '#'
+    @admin_page_title = 'Edit'
+    add_breadcrumb @admin_page_title
   end
 
   def revisions
     @admin_page_title = "##{@category.id} #{@category.name} - revisions"
-    add_crumb @category.name, admin_category_path(@category)
-    add_crumb 'revisions', '#'
+    add_breadcrumb 'Revisions'
     @versions = @category.versions
   end
 

app/controllers/admin/categories_controller.rb

@@ -1,28 +1,29 @@
 class Admin::UsersController < Admin::BaseController
   before_action :user
-  before_action(except: [:index]) { add_crumb('Users', admin_users_path) }
+  add_breadcrumb('Users', :admin_users_path)
+  before_action do
+    add_breadcrumb(@user.name, admin_user_path(@user)) if @user.try(:id)
+  end
 
   def index
     @admin_page_title = 'Users'
-    add_crumb @admin_page_title, '#'
     @q = Admin::User.ransack(params[:q])
-    @users = @q.result.order('id DESC').page(params[:page]).per(1)
+    @users = @q.result.order('id DESC').page(params[:page]).per(30)
     respond_with @users
   end
 
   def show
     @admin_page_title = "##{@user.id}"
-    add_crumb @admin_page_title, '#'
   end
 
   def new
-    @admin_page_title = 'New User'
-    add_crumb @admin_page_title, '#'
+    @admin_page_title = 'New'
+    add_breadcrumb @admin_page_title
   end
 
   def edit
-    @admin_page_title = 'Edit User'
-    add_crumb @admin_page_title, '#'
+    @admin_page_title = 'Edit'
+    add_breadcrumb @admin_page_title
   end
 
   def create

app/controllers/admin/users_controller.rb

@@ -26,7 +26,7 @@ html
               .title_right
                 = yield :btns
             .clearfix
-            = render_crumbs separator: ' > '
+            = render_breadcrumbs builder: AdminBreadcrumbsBuilder
             .clearfix
             br/
             = render partial: 'admin/base/flash'