Initial backend repository commit.

Set up project files and add .gitignore to exclude local build/runtime artifacts.

Made-with: Cursor

internal/handler/upload_handler.go

@@ -0,0 +1,90 @@
+package handler
+
+import (
+	"github.com/gin-gonic/gin"
+
+	"carrot_bbs/internal/pkg/response"
+	"carrot_bbs/internal/service"
+)
+
+// UploadHandler 上传处理器
+type UploadHandler struct {
+	uploadService *service.UploadService
+}
+
+// NewUploadHandler 创建上传处理器
+func NewUploadHandler(uploadService *service.UploadService) *UploadHandler {
+	return &UploadHandler{
+		uploadService: uploadService,
+	}
+}
+
+// UploadImage 上传图片
+func (h *UploadHandler) UploadImage(c *gin.Context) {
+	userID := c.GetString("user_id")
+	if userID == "" {
+		response.Unauthorized(c, "")
+		return
+	}
+
+	file, err := c.FormFile("image")
+	if err != nil {
+		response.BadRequest(c, "image file is required")
+		return
+	}
+
+	url, err := h.uploadService.UploadImage(c.Request.Context(), file)
+	if err != nil {
+		response.InternalServerError(c, "failed to upload image")
+		return
+	}
+
+	response.Success(c, gin.H{"url": url})
+}
+
+// UploadAvatar 上传头像
+func (h *UploadHandler) UploadAvatar(c *gin.Context) {
+	userID := c.GetString("user_id")
+	if userID == "" {
+		response.Unauthorized(c, "")
+		return
+	}
+
+	file, err := c.FormFile("image")
+
+	if err != nil {
+		response.BadRequest(c, "avatar file is required")
+		return
+	}
+
+	url, err := h.uploadService.UploadAvatar(c.Request.Context(), userID, file)
+	if err != nil {
+		response.InternalServerError(c, "failed to upload avatar")
+		return
+	}
+
+	response.Success(c, gin.H{"url": url})
+}
+
+// UploadCover 上传头图（个人主页封面）
+func (h *UploadHandler) UploadCover(c *gin.Context) {
+	userID := c.GetString("user_id")
+	if userID == "" {
+		response.Unauthorized(c, "")
+		return
+	}
+
+	file, err := c.FormFile("image")
+	if err != nil {
+		response.BadRequest(c, "image file is required")
+		return
+	}
+
+	url, err := h.uploadService.UploadCover(c.Request.Context(), userID, file)
+	if err != nil {
+		response.InternalServerError(c, "failed to upload cover")
+		return
+	}
+
+	response.Success(c, gin.H{"url": url})
+}