func NewFollowersDatabase() *FollowersDatabase {
conn, err := mongo.Dial("127.0.0.1:27017")
if err != nil {
log.Println("mongo Connect error:", err.Error())
panic("mongo conn err")
}
if verboseMongo {
conn = mongo.NewLoggingConn(conn, log.New(os.Stderr, "", 0), "")
}
db := mongo.Database{conn, DbName, mongo.DefaultLastErrorCmd}
return &FollowersDatabase{
userFollowers: db.C(USER_FOLLOWERS_TABLE),
userFollowersCounter: db.C(USER_FOLLOWERS_COUNTERS_TABLE),
followPending: db.C(FOLLOW_PENDING_TABLE),
previousUnfollows: db.C(PREVIOUS_UNFOLLOWS_TABLE),
}
}
// A function that Dials and Authenticates
// into a provided data base
// accespts host,db,user,pass,log=Bool
// returns db,err
func ConnAndAuth(h, d, u, p string, l bool) mongo.Database {
conn, err := mongo.Dial(h)
if err != nil {
log.Fatal(err)
}
defer conn.Close()
if l {
conn = mongo.NewLoggingConn(conn, log.New(os.Stdout, "", 0), "")
// clear log prefix for more readable output
log.SetFlags(0)
}
db := mongo.Database{conn, d, mongo.DefaultLastErrorCmd}
err = db.Authenticate(u, p)
if err != nil {
log.Fatal(err)
}
return db
}
func main() {
// Connect to server.
conn, err := mongo.Dial("localhost")
if err != nil {
log.Fatal(err)
}
defer conn.Close()
// Wrap connection with logger so that we can view the traffic to and from
// the server.
conn = mongo.NewLoggingConn(conn, log.New(os.Stdout, "", 0), "")
// Clear the log prefix for more readable output.
log.SetFlags(0)
reset(conn)
chapter1(conn)
chapter2(conn)
chapter3(conn)
chapter7(conn)
}