Migrate code from Go branch to new repo

database/mysql/mysql.go

@@ -0,0 +1,66 @@
+package mysql
+
+import (
+	"database/sql"
+	"fmt"
+
+	"github.com/librespeed/speedtest/database/schema"
+
+	_ "github.com/go-sql-driver/mysql"
+	log "github.com/sirupsen/logrus"
+)
+
+const (
+	connectionStringTemplate = `%s:%s@%s/%s`
+)
+
+type MySQL struct {
+	db *sql.DB
+}
+
+func Open(hostname, username, password, database string) *MySQL {
+	connStr := fmt.Sprintf(connectionStringTemplate, username, password, hostname, database)
+	conn, err := sql.Open("mysql", connStr)
+	if err != nil {
+		log.Fatalf("Cannot open MySQL database: %s", err)
+	}
+	return &MySQL{db: conn}
+}
+
+func (p *MySQL) Insert(data *schema.TelemetryData) error {
+	stmt := `INSERT INTO speedtest_users (ip, ispinfo, extra, ua, lang, dl, ul, ping, jitter, log, uuid) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?);`
+	_, 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 *MySQL) FetchByUUID(uuid string) (*schema.TelemetryData, error) {
+	var record schema.TelemetryData
+	row := p.db.QueryRow(`SELECT * FROM speedtest_users WHERE uuid = ?`, 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 *MySQL) 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
+}