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131 lines
3.4 KiB
131 lines
3.4 KiB
package common
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import (
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"fmt"
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"log"
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"os"
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"strings"
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"time"
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"github.com/google/uuid"
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"gorm.io/driver/postgres"
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"gorm.io/gorm"
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"gorm.io/gorm/logger"
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)
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type Database struct {
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*gorm.DB
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}
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var DB *gorm.DB
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// Opening a database and save the reference to `Database` struct.
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func InitDB() *gorm.DB {
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host := os.Getenv("DB_HOST")
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user := os.Getenv("DB_USER")
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pass := os.Getenv("DB_PASS")
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dbName := os.Getenv("DB_NAME")
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port := os.Getenv("DB_PORT")
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var sslMode string
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if os.Getenv("DB_SSL") == "TRUE" {
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sslMode = "enable"
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} else {
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sslMode = "disable"
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}
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// DB Logger config
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newLogger := logger.New(
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log.New(os.Stdout, "\r\n", log.LstdFlags), // io writer
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logger.Config{
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SlowThreshold: time.Second, // Slow SQL threshold
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LogLevel: logger.Silent, // Log level
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IgnoreRecordNotFoundError: true, // Ignore ErrRecordNotFound error for logger
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Colorful: true, // Disable color
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},
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)
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dsn := fmt.Sprintf("host=%s user=%s password=%s dbname=%s port=%s sslmode=%s TimeZone=Asia/Singapore", host, user, pass, dbName, port, sslMode)
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db, err := gorm.Open(postgres.Open(dsn), &gorm.Config{
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Logger: newLogger,
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})
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if err != nil {
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fmt.Println("db err: (Init) ", err)
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}
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// Setup UUID
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// CREATE EXTENSION IF NOT EXISTS "uuid-ossp";
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db.Exec("CREATE EXTENSION IF NOT EXISTS \"uuid-ossp\";")
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DB = db
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return DB
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}
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// This function will create a temporarily database for running testing cases
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func TestDBInit() *gorm.DB {
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host := os.Getenv("TEST_DB_HOST")
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user := os.Getenv("TEST_DB_USER")
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pass := os.Getenv("TEST_DB_PASS")
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dbName := fmt.Sprintf("%s_%s", os.Getenv("TEST_DB_NAME"), uuid.New().String())
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dbName = strings.ReplaceAll(dbName, "-", "_")
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port := os.Getenv("TEST_DB_PORT")
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var sslMode string
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if os.Getenv("TEST_DB_SSL") == "TRUE" {
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sslMode = "enable"
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} else {
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sslMode = "disable"
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}
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// DB Logger config
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newLogger := logger.New(
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log.New(os.Stdout, "\r\n", log.LstdFlags), // io writer
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logger.Config{
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SlowThreshold: time.Second, // Slow SQL threshold
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LogLevel: logger.Silent, // Log level
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IgnoreRecordNotFoundError: true, // Ignore ErrRecordNotFound error for logger
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Colorful: true, // Disable color
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},
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)
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dsn := fmt.Sprintf("host=%s user=%s password=%s dbname=%s port=%s sslmode=%s TimeZone=Asia/Singapore", host, user, pass, "postgres", port, sslMode)
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db, err := gorm.Open(postgres.Open(dsn), &gorm.Config{
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Logger: newLogger,
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})
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if err != nil {
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fmt.Println("db err: (Init) ", err)
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}
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// Create Database
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err = db.Exec(fmt.Sprintf("CREATE DATABASE %s;", dbName)).Error
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if err != nil {
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fmt.Println("db err: (Init) ", err)
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}
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// Get into testing database
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dsn = fmt.Sprintf("host=%s user=%s password=%s dbname=%s port=%s sslmode=%s TimeZone=Asia/Singapore", host, user, pass, dbName, port, sslMode)
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db, err = gorm.Open(postgres.Open(dsn), &gorm.Config{
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Logger: newLogger,
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})
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if err != nil {
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fmt.Println("db err: (Init) ", err)
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}
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// Setup UUID
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// CREATE EXTENSION IF NOT EXISTS "uuid-ossp";
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db.Exec("CREATE EXTENSION IF NOT EXISTS \"uuid-ossp\";")
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DB = db
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return DB
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}
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func DestroyTestingDB(db *gorm.DB) {
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var dbName string
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db.Raw("SELECT current_database();").Scan(&dbName)
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db.Exec(fmt.Sprintf("DROP DATABASE %s", dbName))
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}
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// Using this function to get a connection, you can create your connection pool here.
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func GetDB() *gorm.DB {
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return DB
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}
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