added swagger doc for get avatar

routers/routes/v1/user/useravatar.go

@@ -11,11 +11,26 @@ import (
 )
 
 func GetAvatar(c *fiber.Ctx) error {
+	// swagger:operation GET /avatars/:userId/:fileName?size= user userGetAvatar
+	// ---
+	// summary: Get avatar from a user
+	// consumes:
+	// - application/json
+	// produces:
+	// - application/json
+	// responses:
+	//   '200':
+	//     description: Avatar from user
+	//   '400':
+	//     description: Avatar does not exist
+	//   '422':
+	//     description: Invalid userId or fileName
+
 	userId := c.Params("userId")
 
 	if len(userId) != structs.LenUserId {
 		logrus.Debugln("UserId is longer than allowed")
-		return c.SendStatus(fiber.StatusBadRequest)
+		return c.SendStatus(fiber.StatusUnprocessableEntity)
 	}
 
 	fileName := c.Params("fileName")
@@ -23,7 +38,7 @@ func GetAvatar(c *fiber.Ctx) error {
 	// check if the filename length has not been manipulated by the user
 	if len(fileName) > image.MaxFileNameLen {
 		logrus.Debugln("Filename is longer than allowed")
-		return c.SendStatus(fiber.StatusBadRequest)
+		return c.SendStatus(fiber.StatusUnprocessableEntity)
 	}
 
 	// image resolution