library tag

app/controllers/libraries_controller.rb

@@ -2,6 +2,7 @@ class LibrariesController < ApplicationController
   layout 'base_library'
 
   before_filter :require_login, :except => [:index]
+  after_filter :increment_visit_count, only: [:show, :create, :edit, :update]
 
   def index
     libraries = Library.where(nil)
@@ -25,7 +26,6 @@ class LibrariesController < ApplicationController
     return render_403 unless admin_or_self? || @library.published?
 
     @library_applies = @library.library_applies.where(status: :refused).order('created_at desc')
-    @library.increment_visited_count!
   end
 
   def new
@@ -39,10 +39,10 @@ class LibrariesController < ApplicationController
       Libraries::SubmitService.new(@library).call
       redirect_to publish_success_libraries_path
     else
-      flash[:message] = '保存成功'
-      redirect_to edit_library_path(id: @library.id)
+      redirect_to library_path(id: @library.id)
     end
-  rescue ActiveRecord::RecordInvalid => _
+  rescue ActiveRecord::RecordInvalid => e
+    flash[:message] = e.record.errors.full_messages.join(',')
     render 'new'
   rescue Libraries::SubmitService::Error => ex
     flash[:message] = ex.message
@@ -63,10 +63,10 @@ class LibrariesController < ApplicationController
       Libraries::SubmitService.new(@library).call
       redirect_to publish_success_libraries_path
     else
-      flash[:message] = '保存成功'
-      redirect_to edit_library_path(id: @library.id)
+      redirect_to library_path(id: @library.id)
     end
-  rescue ActiveRecord::RecordInvalid => _
+  rescue ActiveRecord::RecordInvalid => e
+    flash[:message] = e.record.errors.full_messages.join(',')
     render 'edit'
   rescue Libraries::SubmitService::Error => ex
     flash[:message] = ex.message
@@ -110,6 +110,7 @@ class LibrariesController < ApplicationController
   def form_params
     @_form_params ||= begin
       hash = params[:library].presence || {}
+      hash[:tag_ids] = params[:tag_ids].to_s.split(',')
       hash[:attachment_ids] = (params[:attachments].presence || []).values.map{|h| h[:attachment_id]}
       hash
     end
@@ -122,4 +123,8 @@ class LibrariesController < ApplicationController
   def admin_or_self?
     current_library.user_id == current_user.id || admin_or_business?
   end
+
+  def increment_visit_count
+    @library.increment_visited_count! if @library && @library.id
+  end
 end

app/helpers/libraries_helper.rb

@@ -0,0 +1,17 @@
+module LibrariesHelper
+  def show_library_tags(library)
+    html = ''
+    library.library_tags.each do |tag|
+      html += content_tag(:span, tag.name, class: "edu-filter-btn fl cdefault mt3 ml10 " + library_tag_class(tag))
+    end
+
+    raw html
+  end
+
+  def library_tag_class(tag)
+    case tag.name
+    when '优秀案例' then 'edu-activity-red'
+    when '入库案例' then 'edu-activity-blue'
+    end
+  end
+end

app/models/library.rb

@@ -5,6 +5,8 @@ class Library < ActiveRecord::Base
 
   has_many :library_applies, dependent: :delete_all
   has_many :attachments, as: :container
+  has_many :library_library_tags, dependent: :delete_all
+  has_many :library_tags, through: :library_library_tags
 
   attr_accessible :title, :content
 

app/models/library_library_tag.rb

@@ -0,0 +1,4 @@
+class LibraryLibraryTag < ActiveRecord::Base
+  belongs_to :library
+  belongs_to :library_tag
+end

app/models/library_tag.rb

@@ -0,0 +1,6 @@
+class LibraryTag < ActiveRecord::Base
+  has_many :library_library_tags, dependent: :delete_all
+  has_many :libraries, through: :library_library_tags
+
+  validates :name, presence: true, uniqueness: true
+end

app/services/libraries/save_service.rb

@@ -23,6 +23,19 @@ class Libraries::SaveService
       library.assign_attributes(params)
       library.save!
 
+      new_tag_ids = LibraryTag.where(id: params[:tag_ids].presence || []).pluck(:id)
+      old_tag_ids = library.library_library_tags.pluck(:library_tag_id)
+
+      # 删除标签
+      destroy_ids = old_tag_ids - new_tag_ids
+      library.library_library_tags.where(library_tag_id: destroy_ids).delete_all
+
+      # 创建标签
+      created_ids = new_tag_ids - old_tag_ids
+      created_ids.each do |id|
+        library.library_library_tags.create!(library_tag_id: id)
+      end
+
       Attachment.where(id: attachment_ids).update_all(container_id: library.id, container_type: 'Library')
     end
 

app/views/libraries/_form.html.erb

@@ -1,7 +1,9 @@
 <p class="lineh-25 font-22 mb20">上传教学案例</p>
 <div class="library-form-container">
   <%= form_for(@library) do |f| %>
+    <% tag_ids = @library.library_tags.map(&:id) %>
     <%= hidden_field_tag :apply_publish, false %>
+    <%= hidden_field_tag :tag_ids, tag_ids.join(',') %>
     <div class="edu-back-white">
       <div class="padding30">
         <div class="clearfix">
@@ -26,14 +28,14 @@
         <div class="clearfix mb20">
           <span class="upload_Title">标签</span>
           <ul class="fl libraries_tab">
-            <li>优秀案例</li>
-            <li>入库案例</li>
+            <% LibraryTag.where(nil).each do |tag| %>
+              <li class="<%= tag_ids.include?(tag.id) ? 'active' : '' %>" data-id="<%= tag.id %>"><%= tag.name %></li>
+            <% end %>
           </ul>
         </div>
         <div style="padding-left: 62px">
           <%= render partial: 'attachments/from_libraries', locals: { container: @library } %>
-          <p s
-             tyle="height:22px;line-height:22px;"><span class="color-red none" id="file_notice">请上传附件</span></p>
+          <p style="height:22px;line-height:22px;"><span class="color-red none" id="file_notice">请上传附件</span></p>
         </div>
       </div>
       <div class="padding30 bor-top-greyE">
@@ -133,6 +135,12 @@
           }else{
               $(this).addClass("active")
           }
+          var ids = [];
+          $('.libraries_tab li.active').each(function(){
+            ids.push($(this).data('id'))
+          })
+          console.log('ids', ids)
+          $('#tag_ids').val(ids);
       })
   });
 </script>

app/views/libraries/_library_list.html.erb

@@ -6,8 +6,7 @@
         <div class="flex1">
           <p class="clearfix mb15 lineh-20">
             <%= link_to library.title, library_path(library),:class => "task-hide font-16 library_l_name" %>
-            <span class="edu-filter-btn edu-activity-blue fl cdefault ml10">入库案例</span>
-            <span class="edu-filter-btn edu-activity-red fl cdefault ml10">优秀案例</span>
+            <%= show_library_tags(library) %>
           </p>
           <p class="clearfix lineh-20">
             <span class="color-grey-3 mr20"><%= link_to library.user.show_real_name, user_path(library.user) %></span>

app/views/libraries/show.html.erb

@@ -15,15 +15,14 @@
     <span class="font-22 fl mr10 task-hide" style="max-width: 800px">
       <%= @library.title %>
     </span>
-    <span class="edu-filter-btn edu-activity-blue fl cdefault mt3">入库案例</span>
-    <span class="edu-filter-btn edu-activity-red fl cdefault mt3">优秀案例</span>
+    <%= show_library_tags(@library) %>
     <% if admin_or_self %>
       <% if @library.pending? %>
-        <span class="fl edu-filter-btn edu-activity-green mt5">草稿</span>
+        <span class="fl edu-filter-btn edu-activity-green mt3 ml10">草稿</span>
       <% elsif @library.processing? %>
-        <span class="fl edu-filter-btn edu-activity-green mt5">审核中</span>
+        <span class="fl edu-filter-btn edu-activity-green mt3 ml10">审核中</span>
       <% elsif @library.refused? %>
-        <span class="fl edu-filter-btn edu-activity-orange mt5">未通过</span>
+        <span class="fl edu-filter-btn edu-activity-orange mt3 ml10">未通过</span>
       <% end %>
     <% end %>
     <%= link_to('返回', libraries_path, class: 'fr color-grey-9 mt5') %>

db/migrate/20190705071020_create_library_tags.rb

@@ -0,0 +1,9 @@
+class CreateLibraryTags < ActiveRecord::Migration
+  def change
+    create_table :library_tags do |t|
+      t.string :name
+    end
+
+    execute "insert into library_tags(name) values('优秀案例'),('入库案例')"
+  end
+end

db/migrate/20190705071810_create_library_library_tags.rb

@@ -0,0 +1,8 @@
+class CreateLibraryLibraryTags < ActiveRecord::Migration
+  def change
+    create_table :library_library_tags do |t|
+      t.references :library
+      t.references :library_tag
+    end
+  end
+end