Moved away from local files to complete database driven articles

api/error.go

@@ -0,0 +1,21 @@
+package api
+
+import (
+	"encoding/json"
+	"net/http"
+)
+
+var (
+	DatabaseError = ApiError{Message: "internal database error", Code: http.StatusInternalServerError}
+	InvalidJson   = ApiError{Message: "invalid json", Code: http.StatusUnprocessableEntity}
+)
+
+type ApiError struct {
+	Message string `json:"message"`
+	Code    int
+}
+
+func (ae ApiError) Send(w http.ResponseWriter) error {
+	w.WriteHeader(ae.Code)
+	return json.NewEncoder(w).Encode(ae)
+}