feat: backend core - auth, user, role, permission, device, webhook, monitoring, cache, repository, service, middleware, API handlers

internal/service/theme.go

@@ -0,0 +1,206 @@
+package service
+
+import (
+	"context"
+	"errors"
+
+	"github.com/user-management-system/internal/domain"
+	"github.com/user-management-system/internal/repository"
+)
+
+// ThemeService 主题服务
+type ThemeService struct {
+	themeRepo *repository.ThemeConfigRepository
+}
+
+// NewThemeService 创建主题服务
+func NewThemeService(themeRepo *repository.ThemeConfigRepository) *ThemeService {
+	return &ThemeService{themeRepo: themeRepo}
+}
+
+// CreateThemeRequest 创建主题请求
+type CreateThemeRequest struct {
+	Name           string `json:"name" binding:"required"`
+	LogoURL        string `json:"logo_url"`
+	FaviconURL     string `json:"favicon_url"`
+	PrimaryColor   string `json:"primary_color"`
+	SecondaryColor string `json:"secondary_color"`
+	BackgroundColor string `json:"background_color"`
+	TextColor      string `json:"text_color"`
+	CustomCSS      string `json:"custom_css"`
+	CustomJS       string `json:"custom_js"`
+	IsDefault      bool   `json:"is_default"`
+}
+
+// UpdateThemeRequest 更新主题请求
+type UpdateThemeRequest struct {
+	LogoURL        string `json:"logo_url"`
+	FaviconURL     string `json:"favicon_url"`
+	PrimaryColor   string `json:"primary_color"`
+	SecondaryColor string `json:"secondary_color"`
+	BackgroundColor string `json:"background_color"`
+	TextColor      string `json:"text_color"`
+	CustomCSS      string `json:"custom_css"`
+	CustomJS       string `json:"custom_js"`
+	Enabled        *bool  `json:"enabled"`
+	IsDefault      *bool  `json:"is_default"`
+}
+
+// CreateTheme 创建主题
+func (s *ThemeService) CreateTheme(ctx context.Context, req *CreateThemeRequest) (*domain.ThemeConfig, error) {
+	// 检查主题名称是否已存在
+	existing, err := s.themeRepo.GetByName(ctx, req.Name)
+	if err == nil && existing != nil {
+		return nil, errors.New("主题名称已存在")
+	}
+
+	theme := &domain.ThemeConfig{
+		Name:            req.Name,
+		LogoURL:         req.LogoURL,
+		FaviconURL:      req.FaviconURL,
+		PrimaryColor:   req.PrimaryColor,
+		SecondaryColor: req.SecondaryColor,
+		BackgroundColor: req.BackgroundColor,
+		TextColor:      req.TextColor,
+		CustomCSS:      req.CustomCSS,
+		CustomJS:       req.CustomJS,
+		IsDefault:      req.IsDefault,
+		Enabled:        true,
+	}
+
+	// 如果设置为默认，先清除其他默认
+	if req.IsDefault {
+		if err := s.clearDefaultThemes(ctx); err != nil {
+			return nil, err
+		}
+	}
+
+	if err := s.themeRepo.Create(ctx, theme); err != nil {
+		return nil, err
+	}
+
+	return theme, nil
+}
+
+// UpdateTheme 更新主题
+func (s *ThemeService) UpdateTheme(ctx context.Context, id int64, req *UpdateThemeRequest) (*domain.ThemeConfig, error) {
+	theme, err := s.themeRepo.GetByID(ctx, id)
+	if err != nil {
+		return nil, errors.New("主题不存在")
+	}
+
+	if req.LogoURL != "" {
+		theme.LogoURL = req.LogoURL
+	}
+	if req.FaviconURL != "" {
+		theme.FaviconURL = req.FaviconURL
+	}
+	if req.PrimaryColor != "" {
+		theme.PrimaryColor = req.PrimaryColor
+	}
+	if req.SecondaryColor != "" {
+		theme.SecondaryColor = req.SecondaryColor
+	}
+	if req.BackgroundColor != "" {
+		theme.BackgroundColor = req.BackgroundColor
+	}
+	if req.TextColor != "" {
+		theme.TextColor = req.TextColor
+	}
+	if req.CustomCSS != "" {
+		theme.CustomCSS = req.CustomCSS
+	}
+	if req.CustomJS != "" {
+		theme.CustomJS = req.CustomJS
+	}
+	if req.Enabled != nil {
+		theme.Enabled = *req.Enabled
+	}
+	if req.IsDefault != nil && *req.IsDefault {
+		if err := s.clearDefaultThemes(ctx); err != nil {
+			return nil, err
+		}
+		theme.IsDefault = true
+	}
+
+	if err := s.themeRepo.Update(ctx, theme); err != nil {
+		return nil, err
+	}
+
+	return theme, nil
+}
+
+// DeleteTheme 删除主题
+func (s *ThemeService) DeleteTheme(ctx context.Context, id int64) error {
+	theme, err := s.themeRepo.GetByID(ctx, id)
+	if err != nil {
+		return errors.New("主题不存在")
+	}
+
+	if theme.IsDefault {
+		return errors.New("不能删除默认主题")
+	}
+
+	return s.themeRepo.Delete(ctx, id)
+}
+
+// GetTheme 获取主题
+func (s *ThemeService) GetTheme(ctx context.Context, id int64) (*domain.ThemeConfig, error) {
+	return s.themeRepo.GetByID(ctx, id)
+}
+
+// ListThemes 获取所有已启用主题
+func (s *ThemeService) ListThemes(ctx context.Context) ([]*domain.ThemeConfig, error) {
+	return s.themeRepo.List(ctx)
+}
+
+// ListAllThemes 获取所有主题
+func (s *ThemeService) ListAllThemes(ctx context.Context) ([]*domain.ThemeConfig, error) {
+	return s.themeRepo.ListAll(ctx)
+}
+
+// GetDefaultTheme 获取默认主题
+func (s *ThemeService) GetDefaultTheme(ctx context.Context) (*domain.ThemeConfig, error) {
+	return s.themeRepo.GetDefault(ctx)
+}
+
+// SetDefaultTheme 设置默认主题
+func (s *ThemeService) SetDefaultTheme(ctx context.Context, id int64) error {
+	theme, err := s.themeRepo.GetByID(ctx, id)
+	if err != nil {
+		return errors.New("主题不存在")
+	}
+
+	if !theme.Enabled {
+		return errors.New("不能将禁用的主题设为默认")
+	}
+
+	return s.themeRepo.SetDefault(ctx, id)
+}
+
+// GetActiveTheme 获取当前生效的主题
+func (s *ThemeService) GetActiveTheme(ctx context.Context) (*domain.ThemeConfig, error) {
+	theme, err := s.themeRepo.GetDefault(ctx)
+	if err != nil {
+		// 返回默认配置
+		return domain.DefaultThemeConfig(), nil
+	}
+	return theme, nil
+}
+
+// clearDefaultThemes 清除所有默认主题标记
+func (s *ThemeService) clearDefaultThemes(ctx context.Context) error {
+	themes, err := s.themeRepo.ListAll(ctx)
+	if err != nil {
+		return err
+	}
+	for _, t := range themes {
+		if t.IsDefault {
+			t.IsDefault = false
+			if err := s.themeRepo.Update(ctx, t); err != nil {
+				return err
+			}
+		}
+	}
+	return nil
+}