controllers/upload_controller.go

package controllers

import (
	"net/http"

	"abdanhafidz.com/go-boilerplate/services"
	"github.com/gin-gonic/gin"
)

type UploadController interface {
	UploadMedia(ctx *gin.Context)
}

type uploadController struct {
	uploadService services.UploadService
}

func NewUploadController(uploadService services.UploadService) UploadController {
	return &uploadController{uploadService: uploadService}
}

// UploadMedia godoc
// @Summary      Upload a media file
// @Description  Upload an image or file to storage and receive a public URL back.
// @Tags         Upload
// @Accept       multipart/form-data
// @Produce      json
// @Param        file   formData  file    true  "File to upload"
// @Param        folder formData  string  false "Folder name (default: uploads)"
// @Success      200    {object}  map[string]string
// @Failure      400    {object}  dto.ErrorResponse
// @Security     BearerAuth
// @Router       /api/v1/upload [post]
func (c *uploadController) UploadMedia(ctx *gin.Context) {
	file, header, err := ctx.Request.FormFile("file")
	if err != nil {
		ctx.JSON(http.StatusBadRequest, gin.H{"error": "file is required"})
		return
	}
	defer file.Close()

	folder := ctx.PostForm("folder")
	if folder == "" {
		folder = "uploads"
	}

	url, err := c.uploadService.UploadFile(file, header, folder)
	if err != nil {
		ctx.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
		return
	}

	ctx.JSON(http.StatusOK, gin.H{"url": url})
}