refactored flag/env loading

edition/logging/logger.go

@@ -0,0 +1,57 @@
+// Copyright 2016 Documize Inc. <legal@documize.com>. All rights reserved.
+//
+// This software (Documize Community Edition) is licensed under
+// GNU AGPL v3 http://www.gnu.org/licenses/agpl-3.0.en.html
+//
+// You can operate outside the AGPL restrictions by purchasing
+// Documize Enterprise Edition and obtaining a commercial license
+// by contacting <sales@documize.com>.
+//
+// https://documize.com
+
+// Package logging defines application-wide logging implementation.
+package logging
+
+import (
+	"log"
+	"os"
+
+	"github.com/documize/community/core/env"
+	"github.com/jmoiron/sqlx"
+)
+
+// Logger is how we log.
+type Logger struct {
+	db  *sqlx.DB
+	log *log.Logger
+}
+
+// Info logs message.
+func (l Logger) Info(message string) {
+	l.log.Println(message)
+}
+
+// Error logs error with message.
+func (l Logger) Error(message string, err error) {
+	l.log.Println(message)
+	l.log.Println(err)
+}
+
+// SetDB associates database connection with given logger.
+// Logger will also record messages to database given valid database connection.
+func (l Logger) SetDB(logger env.Logger, db *sqlx.DB) env.Logger {
+	l.db = db
+	return logger
+}
+
+// NewLogger returns initialized logging instance.
+func NewLogger() env.Logger {
+	l := log.New(os.Stdout, "", 0)
+	l.SetOutput(os.Stdout)
+	// log.SetOutput(os.Stdout)
+
+	var logger Logger
+	logger.log = l
+
+	return logger
+}