init

database/db.go

@@ -0,0 +1,46 @@
+package database
+
+import (
+	"database/sql"
+	"fmt"
+	"github.com/joho/godotenv"
+	_ "github.com/lib/pq"
+	"log"
+	"os"
+)
+
+func InitDatabase() (*sql.DB, error) {
+	err := godotenv.Load(".env")
+	if err != nil {
+		log.Fatal("Error loading .env file")
+	}
+	password := os.Getenv("PG_PASSWORD")
+	host := os.Getenv("PG_HOST")
+	connStr := fmt.Sprintf("user=postgres host=%s dbname=relay password=%s sslmode=disable", host, password)
+	db, err := sql.Open("postgres", connStr)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	return db, nil
+
+}
+
+func GetUsers(db *sql.DB) ([]string, error) {
+	query := `SELECT username FROM accounts;`
+
+	rows, err := db.Query(query)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	var users []string
+	for rows.Next() {
+		var user string
+		if err := rows.Scan(&user); err != nil {
+			return nil, err
+		}
+		users = append(users, user)
+	}
+	return users, err
+}