first commit

way too late.

dbconnector.go

@@ -0,0 +1,52 @@
+package main
+
+import (
+	"errors"
+	"log"
+
+	"github.com/didiercrunch/doormanserver/inmemoryconnector"
+	"github.com/didiercrunch/doormanserver/mongoconnector"
+	"github.com/didiercrunch/doormanserver/shared"
+	"github.com/didiercrunch/doormanserver/doormen"
+	"gopkg.in/mgo.v2/bson"
+)
+
+type DBConnector interface {
+	Save(wab *doormen.DoormanDefinition) error
+	Update(wab *doormen.DoormanDefinition) error
+	Exists(wab *doormen.DoormanDefinition) bool
+	ExistsId(id bson.ObjectId) bool
+	GetAllDoormen() <-chan *doormen.DoormanId
+	GetDoorman(id bson.ObjectId) (*doormen.DoormanDefinition, error)
+	DeleteDoorman(id bson.ObjectId) error
+}
+
+var conn DBConnector
+
+func initMongoDbConnector() {
+	var err error
+	if conn, err = mongoconnector.NewMongoDBConnector(); err != nil {
+		panic(err)
+	}
+}
+
+func init() {
+	if params := shared.GetParams(); params.UseMongoDb() {
+		initMongoDbConnector()
+		log.Println("using mongodb as database")
+	} else {
+		conn = inmemoryconnector.NewInMemoryDBConnector()
+		log.Println("using inmemory as database")
+	}
+}
+
+func CreateDoormanInDatabase(wab *doormen.DoormanDefinition) error {
+	if conn.Exists(wab) {
+		return errors.New("doormen already exists")
+	}
+	return conn.Save(wab)
+}
+
+func UpdateDoormanInDatabase(wab *doormen.DoormanDefinition) error {
+	return conn.Update(wab)
+}