Internal refactoring. Removing the global config.

ipe/db.go

@@ -0,0 +1,58 @@
+// Copyright 2016 Claudemiro Alves Feitosa Neto. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package ipe
+
+import (
+	"errors"
+	"sync"
+)
+
+// db represents a app database
+// For now it there is only one memory database implementation
+// but in the future I can write a sql implementation
+type db interface {
+	GetAppByAppID(appID string) (*app, error)
+	GetAppByKey(key string) (*app, error)
+	AddApp(*app) error
+}
+
+// memdb is a in memory implementation of db interface
+type memdb struct {
+	sync.Mutex
+	Apps []*app
+}
+
+func newMemdb() *memdb {
+	return &memdb{}
+}
+
+func (db *memdb) AddApp(a *app) error {
+	db.Lock()
+	defer db.Unlock()
+
+	db.Apps = append(db.Apps, a)
+
+	return nil
+}
+
+// GetAppByAppID returns an App with by appID
+func (db *memdb) GetAppByAppID(appID string) (*app, error) {
+	for _, a := range db.Apps {
+		if a.AppID == appID {
+			return a, nil
+		}
+	}
+	return nil, errors.New("App not found")
+}
+
+// GetAppByKey returns an App with by key
+func (db *memdb) GetAppByKey(key string) (*app, error) {
+	for _, a := range db.Apps {
+		if a.Key == key {
+			return a, nil
+		}
+	}
+	return nil, errors.New("App not found")
+}