Added arn to the main repository

arn/Loggable.go

@@ -0,0 +1,40 @@
+package arn
+
+import (
+	"fmt"
+	"reflect"
+
+	"github.com/aerogo/aero"
+)
+
+// Loggable applies to any type that has a TypeName function.
+type Loggable interface {
+	GetID() string
+	TypeName() string
+	Self() Loggable
+}
+
+// edit creates an edit log entry.
+func edit(loggable Loggable, ctx aero.Context, key string, value reflect.Value, newValue reflect.Value) (consumed bool, err error) {
+	user := GetUserFromContext(ctx)
+
+	// Write log entry
+	logEntry := NewEditLogEntry(user.ID, "edit", loggable.TypeName(), loggable.GetID(), key, fmt.Sprint(value.Interface()), fmt.Sprint(newValue.Interface()))
+	logEntry.Save()
+
+	return false, nil
+}
+
+// onAppend saves a log entry.
+func onAppend(loggable Loggable, ctx aero.Context, key string, index int, obj interface{}) {
+	user := GetUserFromContext(ctx)
+	logEntry := NewEditLogEntry(user.ID, "arrayAppend", loggable.TypeName(), loggable.GetID(), fmt.Sprintf("%s[%d]", key, index), "", fmt.Sprint(obj))
+	logEntry.Save()
+}
+
+// onRemove saves a log entry.
+func onRemove(loggable Loggable, ctx aero.Context, key string, index int, obj interface{}) {
+	user := GetUserFromContext(ctx)
+	logEntry := NewEditLogEntry(user.ID, "arrayRemove", loggable.TypeName(), loggable.GetID(), fmt.Sprintf("%s[%d]", key, index), fmt.Sprint(obj), "")
+	logEntry.Save()
+}