basic common app packages

request/payload.go

@@ -0,0 +1,46 @@
+// Copyright 2024 Patial Tech (Ankit Patial).
+// All rights reserved.
+
+package request
+
+import (
+	"encoding/json"
+	"fmt"
+	"net/http"
+
+	"code.patial.tech/go/appcore/validate"
+)
+
+func FormField(r *http.Request, key string) (string, error) {
+	f, err := Payload[map[string]any](r)
+	if err != nil {
+		return "", err
+	}
+
+	return fmt.Sprintf("%v", f[key]), nil
+}
+
+func PayloadMap(r *http.Request) (map[string]any, error) {
+	return Payload[map[string]any](r)
+}
+
+func PayloadWithValidate[T any](r *http.Request) (T, error) {
+	p, err := Payload[T](r)
+	if err != nil {
+		return p, err
+	}
+
+	if err := validate.Struct(p); err != nil {
+		return p, err
+	}
+
+	return p, nil
+}
+
+func Payload[T any](r *http.Request) (T, error) {
+	var p T
+	if err := json.NewDecoder(r.Body).Decode(&p); err != nil {
+		return p, err
+	}
+	return p, nil
+}