63 lines
1.3 KiB
Go
63 lines
1.3 KiB
Go
package db
|
|
|
|
import (
|
|
"context"
|
|
"log"
|
|
"sync"
|
|
|
|
"go.mongodb.org/mongo-driver/bson"
|
|
"go.mongodb.org/mongo-driver/mongo"
|
|
"go.mongodb.org/mongo-driver/mongo/options"
|
|
)
|
|
|
|
//TODO: create another package fo structs and interfaces
|
|
|
|
type Database struct {
|
|
client *mongo.Client
|
|
devices *mongo.Collection
|
|
users *mongo.Collection
|
|
ctx context.Context
|
|
m *sync.Mutex
|
|
}
|
|
|
|
func NewDatabase(ctx context.Context, mongoUri string) Database {
|
|
var db Database
|
|
|
|
clientOptions := options.Client().ApplyURI(mongoUri)
|
|
client, err := mongo.Connect(ctx, clientOptions)
|
|
if err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
db.client = client
|
|
|
|
log.Println("Trying to ping Mongo database...")
|
|
err = client.Ping(ctx, nil)
|
|
if err != nil {
|
|
log.Fatal("Couldn't connect to MongoDB --> ", err)
|
|
}
|
|
|
|
log.Println("Connected to MongoDB-->", mongoUri)
|
|
|
|
devices := client.Database("oktopus").Collection("devices")
|
|
createIndexes(ctx, devices)
|
|
|
|
users := client.Database("oktopus").Collection("users")
|
|
db.devices = devices
|
|
db.users = users
|
|
db.ctx = ctx
|
|
db.m = &sync.Mutex{}
|
|
|
|
return db
|
|
}
|
|
|
|
func createIndexes(ctx context.Context, devices *mongo.Collection) {
|
|
indexField := bson.M{"sn": 1}
|
|
_, err := devices.Indexes().CreateOne(ctx, mongo.IndexModel{
|
|
Keys: indexField,
|
|
Options: options.Index().SetUnique(true),
|
|
})
|
|
if err != nil {
|
|
log.Println("ERROR to create index in database:", err)
|
|
}
|
|
}
|