banner设置

app/controllers/admins/weapp_banners_controller.rb

@@ -0,0 +1,80 @@
+class Admins::WeappBannersController < Admins::BaseController
+  before_action :convert_file!, only: [:create]
+
+  def index
+
+  end
+
+  def create
+    position = WeappSettings::Carousel.count + 1
+
+    ActiveRecord::Base.transaction do
+      carousel = WeappSettings::Carousel.create!(create_params.merge(position: position))
+
+      file_path = Util::FileManage.source_disk_filename(carousel)
+      File.delete(file_path) if File.exist?(file_path) # 删除之前的文件
+      Util.write_file(@file, file_path)
+    end
+
+    flash[:success] = '保存成功'
+    redirect_to admins_weapp_carousels_path
+  end
+
+  def update
+    current_carousel.update!(update_params)
+    render_ok
+  end
+
+  def destroy
+    ActiveRecord::Base.transaction do
+      current_carousel.destroy!
+      # 前移
+      WeappSettings::Carousel.where('position > ?', current_carousel.position)
+        .update_all('position = position - 1')
+
+      file_path = Util::FileManage.source_disk_filename(current_carousel)
+      File.delete(file_path) if File.exist?(file_path)
+    end
+    render_delete_success
+  end
+
+  def drag
+    move  = WeappSettings::Carousel.find_by(id: params[:move_id])
+    after = WeappSettings::Carousel.find_by(id: params[:after_id])
+
+    Admins::DragWeappCarouselService.call(move, after)
+    render_ok
+  rescue ApplicationService::Error => e
+    render_error(e.message)
+  end
+
+  private
+
+  def current_carousel
+    @_current_carousel ||= WeappSettings::Carousel.find(params[:id])
+  end
+
+  def create_params
+    params.require(:weapp_settings_carousel).permit(:link)
+  end
+
+  def update_params
+    params.permit(:link, :online)
+  end
+
+  def convert_file!
+    max_size = 10 * 1024 * 1024 # 10M
+    file = params.dig('weapp_settings_carousel', 'image')
+    if file.class == ActionDispatch::Http::UploadedFile
+      @file = file
+      render_error('请上传文件') if @file.size.zero?
+      render_error('文件大小超过限制') if @file.size > max_size
+    else
+      file = file.to_s.strip
+      return render_error('请上传正确的图片') if file.blank?
+      @file = Util.convert_base64_image(file, max_size: max_size)
+    end
+  rescue Base64ImageConverter::Error => ex
+    render_error(ex.message)
+  end
+end

app/views/admins/shared/_sidebar.html.erb

@@ -125,6 +125,7 @@
       <%= sidebar_item_group('#weapp-setting-submenu', '小程序设置', icon: 'id-badge') do %>
         <li><%= sidebar_item(admins_weapp_carousels_path, '轮播图', icon: 'image', controller: 'admins-weapp_carousels') %></li>
         <li><%= sidebar_item(admins_weapp_adverts_path, '广告栏', icon: 'paper-plane', controller: 'admins-weapp_adverts') %></li>
+        <li><%= sidebar_item(admins_weapp_banners_path, 'banner', icon: 'image', controller: 'admins-weapp_banners') %></li>
       <% end %>
 
     </li>

app/views/admins/weapp_banners/index.html.erb

@@ -0,0 +1,7 @@
+<% define_admin_breadcrumbs do %>
+  <% add_admin_breadcrumb('banner设置') %>
+<% end %>
+
+<div class="box weapp-banner-setting-container">
+
+</div>

config/routes.rb

@@ -1331,6 +1331,8 @@ Rails.application.routes.draw do
     resources :weapp_adverts, only: [:index, :create, :update, :destroy] do
       post :drag, on: :collection
     end
+    resources :weapp_banners, only: [:index, :create, :update, :destroy]
+
 
     resources :subject_settings, only: [:index, :update] do
       post :update_mobile_show, on: :collection