新增：项目标记关联组织接口

app/controllers/api/pm/issue_tags_controller.rb

@@ -0,0 +1,67 @@
+class Api::Pm::IssueTagsController < Api::Pm::BaseController 
+
+  def index 
+    @issue_tags = IssueTag.pm_able
+    @issue_tags = @issue_tags.where(organization_id: params[:organization_id]) if params[:organization_id].present? 
+    @issue_tags = @issue_tags.where(pm_project_id: params[:pm_project_id]) if params[:pm_project_id].present? 
+    @issue_tags = @issue_tags.ransack(name_cont: params[:keyword]).result if params[:keyword].present?
+    @issue_tags = @issue_tags.reorder("#{tag_sort_by} #{tag_sort_direction}")
+    @issue_tags = kaminari_paginate(@issue_tags)
+    render "api/v1/issues/issue_tags/index"
+  end
+
+  def create 
+    return render_error("请输入正确的OrganizationID") unless Organization.exists?(id: issue_tag_create_params[:organization_id])
+    @issue_tag = IssueTag.new(issue_tag_create_params.merge!(project_id: 0))
+    if @issue_tag.save!
+      render_ok 
+    else 
+      render_error("创建标记失败！")
+    end
+  end
+  
+  before_action :load_issue_tag, only: [:update, :destroy]
+
+  def update 
+    @issue_tag.attributes = issue_tag_update_params
+    if @issue_tag.save! 
+      render_ok 
+    else 
+      render_error("更新标记失败！")
+    end
+  end 
+  
+  def destroy 
+    if @issue_tag.destroy! 
+      render_ok
+    else 
+      render_error("删除标记失败！")
+    end
+  end
+
+
+  private 
+  def tag_sort_by
+    sort_by = params.fetch(:sort_by, "created_at")
+    sort_by = IssueTag.column_names.include?(sort_by) ? sort_by : "created_at"
+    sort_by
+  end
+
+  def tag_sort_direction
+    sort_direction = params.fetch(:sort_direction, "desc").downcase
+    sort_direction = %w(desc asc).include?(sort_direction) ? sort_direction : "desc"
+    sort_direction
+  end
+
+  def issue_tag_create_params 
+    params.permit(:name, :description, :color, :pm_project_id, :organization_id)
+  end
+
+  def issue_tag_update_params 
+    params.permit(:name, :description, :color)
+  end
+
+  def load_issue_tag 
+    @issue_tag = IssueTag.pm_able.find_by_id(params[:id])
+  end
+end