mce/internal/controller/studio_controller.go

package controller

import (
	"metazone.cc/mce/internal/model"
	"metazone.cc/mce/internal/service"
)

// trendsUseCase StudioController 对趋势服务的最小依赖（ISP）
type trendsUseCase interface {
	GetTrends(userID uint, since string) (*service.TrendResult, error)
}

// tagParser ISP：标签解析
type tagParser interface {
	ParseAndSave(tagStr string) ([]uint, error)
	SetPostTags(postID uint, tagStr string) error
}

// StudioController 创作中心控制器（SSR 页面 + API）
type StudioController struct {
	postService studioUseCase
	energySvc   energyDeducter
	trendsSvc   trendsUseCase
	tagSvc      tagParser
	categorySvc categoryLoader
}

// categoryLoader ISP：分类叶子节点查询
type categoryLoader interface {
	GetLeaves() ([]model.Category, error)
}

// NewStudioController 构造函数
func NewStudioController(ps studioUseCase) *StudioController {
	return &StudioController{postService: ps}
}

// WithEnergyService 链式注入域能服务
func (ctrl *StudioController) WithEnergyService(svc energyDeducter) *StudioController {
	ctrl.energySvc = svc
	return ctrl
}

// WithTrendsService 链式注入趋势服务
func (ctrl *StudioController) WithTrendsService(svc trendsUseCase) *StudioController {
	ctrl.trendsSvc = svc
	return ctrl
}

// WithTagService 链式注入标签服务
func (ctrl *StudioController) WithTagService(svc tagParser) *StudioController {
	ctrl.tagSvc = svc
	return ctrl
}

// WithCategoryService 链式注入分类服务
func (ctrl *StudioController) WithCategoryService(svc categoryLoader) *StudioController {
	ctrl.categorySvc = svc
	return ctrl
}