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refactor: introduce Wire dependency injection and interface-based architecture

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- Add Google Wire for compile-time dependency injection
- Replace concrete service types with interfaces across handlers
- Remove global state (DB, cache) in favor of constructor injection
- Split monolithic files into focused modules:
  - config: separate files for each config domain
  - dto: converters split by domain (user, post, message, group)
  - cache: separate metrics.go and redis_cache.go
- Introduce unified apperrors package with string-based error codes
- Add transaction support with context-aware repository methods
- Upgrade golang.org/x/crypto from 0.17.0 to 0.26.0
This commit is contained in:
兰一民
2026-03-13 09:38:18 +08:00
parent 1216423350
commit cf36b1350d
49 changed files with 2571 additions and 2218 deletions
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19
internal/handler/gorse_handler.go
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@@ -11,21 +11,24 @@ import (
"carrot_bbs/internal/pkg/gorse"
"carrot_bbs/internal/pkg/response"
gorseio "github.com/gorse-io/gorse-go"
"github.com/gin-gonic/gin"
gorseio "github.com/gorse-io/gorse-go"
"gorm.io/gorm"
)
// GorseHandler Gorse推荐处理器
type GorseHandler struct {
importPassword string
gorseConfig config.GorseConfig
db *gorm.DB
}
// NewGorseHandler 创建Gorse处理器
func NewGorseHandler(cfg config.GorseConfig) *GorseHandler {
func NewGorseHandler(cfg config.GorseConfig, db *gorm.DB) *GorseHandler {
return &GorseHandler{
importPassword: cfg.ImportPassword,
gorseConfig: cfg,
db: db,
}
}
@@ -98,7 +101,7 @@ func (h *GorseHandler) importAllData(ctx context.Context) (gin.H, error) {
// 导入帖子
var posts []model.Post
if err := model.DB.Find(&posts).Error; err != nil {
if err := h.db.Find(&posts).Error; err != nil {
return nil, err
}
for _, post := range posts {
@@ -126,7 +129,7 @@ func (h *GorseHandler) importAllData(ctx context.Context) (gin.H, error) {
// 导入用户
var users []model.User
if err := model.DB.Find(&users).Error; err != nil {
if err := h.db.Find(&users).Error; err != nil {
return nil, err
}
for _, user := range users {
@@ -148,7 +151,7 @@ func (h *GorseHandler) importAllData(ctx context.Context) (gin.H, error) {
// 导入点赞
var likes []model.PostLike
if err := model.DB.Find(&likes).Error; err != nil {
if err := h.db.Find(&likes).Error; err != nil {
return nil, err
}
for _, like := range likes {
@@ -167,7 +170,7 @@ func (h *GorseHandler) importAllData(ctx context.Context) (gin.H, error) {
// 导入收藏
var favorites []model.Favorite
if err := model.DB.Find(&favorites).Error; err != nil {
if err := h.db.Find(&favorites).Error; err != nil {
return nil, err
}
for _, fav := range favorites {
@@ -186,7 +189,7 @@ func (h *GorseHandler) importAllData(ctx context.Context) (gin.H, error) {
// 导入评论（按用户-帖子去重）
var comments []model.Comment
if err := model.DB.Where("status = ?", model.CommentStatusPublished).Find(&comments).Error; err != nil {
if err := h.db.Where("status = ?", model.CommentStatusPublished).Find(&comments).Error; err != nil {
return nil, err
}
seen := make(map[string]struct{})
@@ -231,4 +234,4 @@ func buildPostCategories(post *model.Post) []string {
categories = append(categories, "this_week")
}
return categories
}
}