feat: file upload and download

controllers/response.go

@@ -0,0 +1,17 @@
+package controllers
+
+import "github.com/gin-gonic/gin"
+
+type APIResponse struct {
+	Data interface{} `json:"data"`
+	Msg  string      `json:"msg"`
+	Code int         `json:"code"`
+}
+
+func writeSuccess(c *gin.Context, httpStatus int, msg string, data interface{}) {
+	c.JSON(httpStatus, APIResponse{Data: data, Msg: msg, Code: httpStatus})
+}
+
+func writeError(c *gin.Context, httpStatus int, msg string) {
+	c.JSON(httpStatus, APIResponse{Data: nil, Msg: msg, Code: httpStatus})
+}