speedtest/database/postgresql/postgresql.go
2020-04-03 08:58:34 +08:00

67 lines
2.1 KiB
Go

package postgresql
import (
"database/sql"
"fmt"
"github.com/librespeed/speedtest/database/schema"
_ "github.com/lib/pq"
log "github.com/sirupsen/logrus"
)
const (
connectionStringTemplate = `postgres://%s:%s@%s/%s?sslmode=disable`
)
type PostgreSQL struct {
db *sql.DB
}
func Open(hostname, username, password, database string) *PostgreSQL {
connStr := fmt.Sprintf(connectionStringTemplate, username, password, hostname, database)
conn, err := sql.Open("postgres", connStr)
if err != nil {
log.Fatalf("Cannot open PostgreSQL database: %s", err)
}
return &PostgreSQL{db: conn}
}
func (p *PostgreSQL) Insert(data *schema.TelemetryData) error {
stmt := `INSERT INTO speedtest_users (ip, ispinfo, extra, ua, lang, dl, ul, ping, jitter, log, uuid) VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11) RETURNING id;`
_, err := p.db.Exec(stmt, data.IPAddress, data.ISPInfo, data.Extra, data.UserAgent, data.Language, data.Download, data.Upload, data.Ping, data.Jitter, data.Log, data.UUID)
return err
}
func (p *PostgreSQL) FetchByUUID(uuid string) (*schema.TelemetryData, error) {
var record schema.TelemetryData
row := p.db.QueryRow(`SELECT * FROM speedtest_users WHERE uuid = $1`, uuid)
if row != nil {
var id string
if err := row.Scan(&id, &record.Timestamp, &record.IPAddress, &record.ISPInfo, &record.Extra, &record.UserAgent, &record.Language, &record.Download, &record.Upload, &record.Ping, &record.Jitter, &record.Log, &record.UUID); err != nil {
return nil, err
}
}
return &record, nil
}
func (p *PostgreSQL) FetchLast100() ([]schema.TelemetryData, error) {
var records []schema.TelemetryData
rows, err := p.db.Query(`SELECT * FROM speedtest_users ORDER BY "timestamp" DESC LIMIT 100;`)
if err != nil {
return nil, err
}
if rows != nil {
var id string
for rows.Next() {
var record schema.TelemetryData
if err := rows.Scan(&id, &record.Timestamp, &record.IPAddress, &record.ISPInfo, &record.Extra, &record.UserAgent, &record.Language, &record.Download, &record.Upload, &record.Ping, &record.Jitter, &record.Log, &record.UUID); err != nil {
return nil, err
}
records = append(records, record)
}
}
return records, nil
}