init project

app/controllers/libraries_controller.rb

@@ -0,0 +1,92 @@
+class LibrariesController < ApplicationController
+  include PaginateHelper
+
+  before_action :require_login, :check_auth, except: %i[index show]
+  before_action :check_account,  except: %i[index show]
+  after_action :increment_visit_count, only: [:show, :edit, :update]
+  helper_method :current_library, :library_manageable?
+
+  def index
+    libraries = current_laboratory.libraries
+
+    libraries =
+      if User.current&.logged? && params[:type] == 'mine'
+        libraries.where(user_id: current_user.id).order(created_at: :desc)
+      else
+        libraries.where(status: :published).order(visited_count: :desc)
+      end
+
+    keyword = params[:keyword].to_s.strip
+    if keyword.present?
+      libraries = libraries.where('title LIKE :keyword OR author_name LIKE :keyword OR author_school_name LIKE :keyword',
+                                  keyword: "%#{keyword}%")
+    end
+
+    @count = libraries.count
+    @libraries = paginate libraries.includes(:library_tags, user: :user_extension)
+
+    ids = @libraries.map(&:id)
+    @download_count_map = Attachment.where(container_type: 'Library', container_id: ids)
+                            .group(:container_id).sum(:downloads)
+  end
+
+  def show
+    unless current_library.published? || library_manageable?(current_library)
+      return render_forbidden
+    end
+  end
+
+  def create
+    library = current_user.libraries.new
+    Libraries::SaveService.call(library, current_user, save_params)
+    render_ok({id: library.id})
+  rescue Libraries::SaveService::Error => ex
+    render_error(ex.message)
+  end
+
+  def update
+    return render_forbidden unless library_manageable?(current_library)
+
+    Libraries::SaveService.call(current_library, current_user, save_params)
+    render_ok({id: current_library.id})
+  rescue Libraries::SaveService::Error => ex
+    render_error(ex.message)
+  end
+
+  def destroy
+    if admin_or_business?
+      current_library.destroy!
+    elsif current_library.user_id == current_user&.id
+      unless current_library.pending?
+        render_error('只有草稿才能删除')
+        return
+      end
+
+      current_library.destroy!
+    else
+      render_forbidden
+      return
+    end
+
+    render_ok
+  end
+
+  private
+
+  def current_library
+    @_current_library ||= Library.find(params[:id])
+  end
+
+  def library_manageable?(library)
+    current_user&.id == library.user_id || admin_or_business?
+  end
+
+  def increment_visit_count
+    current_library.increment_visited_count! if current_library && current_library.id
+  end
+
+  def save_params
+    params.permit(:title, :content, :author_name, :author_school_name,
+                  :cover_id, :publish, attachment_ids: [], tag_ids: [])
+  end
+end