Split Handler into Handler and APIHandler

web/api_responses.go

@@ -0,0 +1,15 @@
+package web
+
+//go:generate easyjson -all api_responses.go
+
+// URLResponse contains shortened URL info.
+type URLResponse struct {
+	UID    string `json:"uid"`
+	URL    string `json:"url"`
+	Target string `json:"target"`
+}
+
+// ErrorResponse contains error info.
+type ErrorResponse struct {
+	Error string `json:"error"`
+}