From 4f0f5739725e43bf16a6702642e6b31f63ec07ea Mon Sep 17 00:00:00 2001
From: Gisle Aune <dev@gisle.me>
Date: Mon, 7 Jan 2019 20:54:50 +0100
Subject: [PATCH] respond: Added basic HTTP response writing utils.

---
 internal/respond/error.go | 18 ++++++++++++++++++
 internal/respond/json.go  | 14 ++++++++++++++
 2 files changed, 32 insertions(+)
 create mode 100644 internal/respond/error.go
 create mode 100644 internal/respond/json.go

diff --git a/internal/respond/error.go b/internal/respond/error.go
new file mode 100644
index 0000000..82dd829
--- /dev/null
+++ b/internal/respond/error.go
@@ -0,0 +1,18 @@
+package respond
+
+import "net/http"
+
+// Error responds with a standardized error object.
+func Error(w http.ResponseWriter, code int, kind string, message string) {
+	type errorContent struct {
+		Code    int    `json:"code"`
+		Kind    string `json:"kind"`
+		Message string `json:"message"`
+	}
+
+	JSON(w, code, &errorContent{
+		Code:    code,
+		Kind:    kind,
+		Message: message,
+	})
+}
diff --git a/internal/respond/json.go b/internal/respond/json.go
new file mode 100644
index 0000000..abcef45
--- /dev/null
+++ b/internal/respond/json.go
@@ -0,0 +1,14 @@
+package respond
+
+import (
+	"encoding/json"
+	"net/http"
+)
+
+// JSON gets the json value.
+func JSON(w http.ResponseWriter, code int, data interface{}) {
+	w.Header().Set("Content-Type", "application/json")
+	w.WriteHeader(code)
+
+	json.NewEncoder(w).Encode(data)
+}