change driver name

Reviewed-on: #6

bulk_write.go

@@ -0,0 +1,128 @@
+package postgresql
+
+import (
+	"context"
+	"fmt"
+	"reflect"
+	"strings"
+
+	"github.com/volatiletech/sqlboiler/v4/boil"
+)
+
+const (
+	indexSign = "$%d"
+	decodeTag = "boil"
+)
+
+type bulkInsertItem map[string]interface{}
+
+type BulkInsertPayload struct {
+	TableName string
+	Data      interface{}
+	Columns   []string
+}
+
+func BulkInsert(ctx context.Context, db boil.ContextExecutor, payload BulkInsertPayload) error {
+	// convert data to map
+	insertRows, err := toMap(payload.Data)
+	if err != nil {
+		fmt.Printf("[postgresql] error when convert data to map: %s", err.Error())
+		return err
+	}
+
+	var (
+		numOfColumns  = len(payload.Columns)
+		incSigns      = make([]string, 0)
+		insertValues  = make([]interface{}, 0)
+		listOfSigns   = make([]string, numOfColumns)
+		listOfColumns = make([]string, numOfColumns)
+	)
+
+	// prepare array of dollar signs
+	for i := range listOfSigns {
+		listOfSigns[i] = indexSign
+		listOfColumns[i] = payload.Columns[i]
+	}
+
+	// prepare sign for every column
+	signs := strings.Join(listOfSigns, ",")
+	insertColumns := strings.Join(listOfColumns, ",")
+
+	for index, r := range insertRows {
+		currentIncSigns := getIncSignValues(index, numOfColumns)
+		incSigns = append(incSigns, fmt.Sprintf("("+signs+")",
+			currentIncSigns...,
+		))
+
+		currentInsertValues := getInsertValues(r, payload.Columns, numOfColumns)
+		insertValues = append(insertValues, currentInsertValues...)
+	}
+
+	// exec
+	stm := getSQLStatement(payload.TableName, insertColumns, incSigns)
+	_, err = db.ExecContext(ctx, stm, insertValues...)
+	if err != nil {
+		fmt.Printf("[postgresql] error when insert to db: %s", err.Error())
+		return err
+	}
+
+	return nil
+}
+
+func getSQLStatement(tableName, insertColumns string, incSigns []string) string {
+	return fmt.Sprintf(`
+			insert into %s (
+				%s
+			)
+			values %s
+	`, tableName, insertColumns, strings.Join(incSigns, ","))
+}
+
+func getIncSignValues(index, numOfColumns int) (result []interface{}) {
+	for i := 1; i <= numOfColumns; i++ {
+		result = append(result, index*numOfColumns+i)
+	}
+	return
+}
+
+func getInsertValues(row bulkInsertItem, columns []string, numOfColumns int) (result []interface{}) {
+	for i := 0; i < numOfColumns; i++ {
+		result = append(result, row[columns[i]])
+	}
+	return
+}
+
+func toMap(input interface{}) ([]bulkInsertItem, error) {
+	result := make([]bulkInsertItem, 0)
+
+	v := reflect.ValueOf(input)
+	if v.Kind() == reflect.Ptr {
+		v = v.Elem()
+	}
+
+	// only accept slices
+	if v.Kind() != reflect.Slice {
+		err := fmt.Errorf("toMap only accepts slices; got %T", v)
+		fmt.Printf("[postgresql] invalid type toMap: %s", err.Error())
+		return nil, err
+	}
+
+	// loop and assign data to result
+	for x := 0; x < v.Len(); x++ {
+		item := bulkInsertItem{}
+		typ := v.Index(x).Type()
+
+		// loop each field
+		for i := 0; i < v.Index(x).NumField(); i++ {
+			fi := typ.Field(i)
+			t := fi.Tag.Get(decodeTag)
+			if t != "" {
+				// set key of map to value in struct field
+				item[t] = v.Index(x).Field(i).Interface()
+			}
+		}
+		result = append(result, item)
+	}
+
+	return result, nil
+}

get.go

@@ -0,0 +1,48 @@
+package postgresql
+
+import (
+	"time"
+
+	"github.com/shopspring/decimal"
+	"github.com/volatiletech/null/v8"
+)
+
+func GetString(val null.String) string {
+	if !val.Valid {
+		return ""
+	}
+	return val.String
+}
+
+func GetInt(val null.Int) int {
+	if !val.Valid {
+		return 0
+	}
+	return val.Int
+}
+
+func GetBool(val null.Bool) bool {
+	if !val.Valid {
+		return false
+	}
+	return val.Bool
+}
+
+func GetTime(val null.Time) (res time.Time) {
+	if !val.Valid {
+		return
+	}
+	return val.Time
+}
+
+func GetJSON(val null.JSON) (res []byte) {
+	if !val.Valid {
+		return
+	}
+	return val.JSON
+}
+
+// GetFloat64 ...
+func GetFloat64(val decimal.Decimal) float64 {
+	return val.InexactFloat64()
+}

go.mod

@@ -1,10 +1,52 @@
-module github.com/Selly-Modules/postgresql
+module git.selly.red/Selly-Modules/postgresql
 
-go 1.16
+go 1.19
 
 require (
 	github.com/Masterminds/squirrel v1.5.0
-	github.com/jmoiron/sqlx v1.3.4
-	github.com/lib/pq v1.10.2
-	github.com/logrusorgru/aurora v2.0.3+incompatible
+	github.com/golang-migrate/migrate/v4 v4.15.2
+	github.com/jackc/pgx/v4 v4.17.0
+	github.com/shopspring/decimal v1.3.1
+	github.com/volatiletech/null/v8 v8.1.2
+	github.com/volatiletech/sqlboiler/v4 v4.12.0
+	go.elastic.co/apm/module/apmsql/v2 v2.2.0
+	golang.org/x/text v0.6.0
+)
+
+require (
+	github.com/armon/go-radix v1.0.0 // indirect
+	github.com/elastic/go-licenser v0.4.1 // indirect
+	github.com/elastic/go-sysinfo v1.9.0 // indirect
+	github.com/elastic/go-windows v1.0.1 // indirect
+	github.com/friendsofgo/errors v0.9.2 // indirect
+	github.com/gofrs/uuid v4.0.0+incompatible // indirect
+	github.com/hashicorp/errwrap v1.1.0 // indirect
+	github.com/hashicorp/go-multierror v1.1.1 // indirect
+	github.com/jackc/chunkreader/v2 v2.0.1 // indirect
+	github.com/jackc/pgconn v1.13.0 // indirect
+	github.com/jackc/pgio v1.0.0 // indirect
+	github.com/jackc/pgpassfile v1.0.0 // indirect
+	github.com/jackc/pgproto3/v2 v2.3.1 // indirect
+	github.com/jackc/pgservicefile v0.0.0-20200714003250-2b9c44734f2b // indirect
+	github.com/jackc/pgtype v1.12.0 // indirect
+	github.com/jcchavezs/porto v0.4.0 // indirect
+	github.com/joeshaw/multierror v0.0.0-20140124173710-69b34d4ec901 // indirect
+	github.com/lann/builder v0.0.0-20180802200727-47ae307949d0 // indirect
+	github.com/lann/ps v0.0.0-20150810152359-62de8c46ede0 // indirect
+	github.com/lib/pq v1.10.2 // indirect
+	github.com/pkg/errors v0.9.1 // indirect
+	github.com/prometheus/procfs v0.9.0 // indirect
+	github.com/santhosh-tekuri/jsonschema v1.2.4 // indirect
+	github.com/volatiletech/inflect v0.0.1 // indirect
+	github.com/volatiletech/randomize v0.0.1 // indirect
+	github.com/volatiletech/strmangle v0.0.4 // indirect
+	go.elastic.co/apm/v2 v2.2.0 // indirect
+	go.elastic.co/fastjson v1.1.0 // indirect
+	go.uber.org/atomic v1.10.0 // indirect
+	golang.org/x/crypto v0.0.0-20220722155217-630584e8d5aa // indirect
+	golang.org/x/mod v0.7.0 // indirect
+	golang.org/x/sys v0.4.0 // indirect
+	golang.org/x/tools v0.5.0 // indirect
+	golang.org/x/xerrors v0.0.0-20220907171357-04be3eba64a2 // indirect
+	howett.net/plist v1.0.0 // indirect
 )

migration.go

@@ -0,0 +1,51 @@
+package postgresql
+
+import (
+	"database/sql"
+	"fmt"
+	"os"
+
+	"github.com/golang-migrate/migrate/v4"
+	"github.com/golang-migrate/migrate/v4/database/postgres"
+	_ "github.com/golang-migrate/migrate/v4/source/file"
+)
+
+func runMigration(db *sql.DB, server string) {
+	// init migrate data
+	driver, _ := postgres.WithInstance(db, &postgres.Config{})
+	m, err := migrate.NewWithDatabaseInstance(
+		fmt.Sprintf("file:///%s", getMigrationDirectoryPath(server)),
+		"postgres",
+		driver,
+	)
+
+	// up
+	if err == nil {
+		if err = m.Up(); err != nil && err.Error() != "no change" {
+			fmt.Printf("[postgresql] run migration error: %s", err.Error())
+			return
+		}
+		fmt.Printf("⚡️[postgres]: done migration \n")
+	}
+}
+
+func getMigrationDirectoryPath(server string) string {
+	migrationDir := fmt.Sprintf("/external/postgresql/%s/migrations/sql", server)
+
+	dirname, err := os.Getwd()
+	if err != nil {
+		panic(err)
+	}
+
+	// Check path existed
+	path := dirname + migrationDir
+	if _, err = os.Stat(path); os.IsNotExist(err) {
+		// Create if not existed
+		err = os.Mkdir(path, 0755)
+		if err != nil {
+			panic(err)
+		}
+	}
+
+	return path
+}

postgresql.go

@@ -1,50 +1,72 @@
 package postgresql
 
 import (
+	"database/sql"
 	"fmt"
-	"log"
 	"time"
 
-
-	"github.com/jmoiron/sqlx"
-	_ "github.com/lib/pq" // For postgres dialect
-	"github.com/logrusorgru/aurora"
+	_ "github.com/jackc/pgx/v4/stdlib"
+	"github.com/volatiletech/sqlboiler/v4/boil"
+	"go.elastic.co/apm/module/apmsql/v2"
+	_ "go.elastic.co/apm/module/apmsql/v2/pgxv4"
 )
 
-var (
-	sqlxClient *sqlx.DB
-)
+type Config struct {
+	Host               string
+	Port               int
+	User               string
+	Password           string
+	DBName             string
+	SSLMode            string
+	IsDebug            bool
+	MaxOpenConnections int
+	MaxIdleConnections int
+	ConnectionLifetime time.Duration
+	UseElasticAPM      bool
+}
 
-// Connect to postgresql database
-func Connect(host, user, password, dbname, port, sslmode string) error {
-	// Connect string
-	dsn := fmt.Sprintf("host=%s user=%s password=%s dbname=%s port=%s sslmode=%s TimeZone=UTC",
-		host, user, password, dbname, port, sslmode,
-	)
+// Connect ...
+func Connect(cfg Config, server string) (db *sql.DB, err error) {
+	uri := fmt.Sprintf("host=%s port=%d user=%s password=%s dbname=%s sslmode=%s",
+		cfg.Host, cfg.Port, cfg.User, cfg.Password, cfg.DBName, cfg.SSLMode)
 
-	// TODO: write case for SSL mode
-
-	db, err := sqlx.Connect("postgres", dsn)
+	// connect
+	if cfg.UseElasticAPM {
+		db, err = apmsql.Open("pgx", uri)
+	} else {
+		db, err = sql.Open("pgx", uri)
+	}
 	if err != nil {
-		log.Fatalln(err)
+		panic(err)
 	}
 
-	fmt.Println(aurora.Green("*** CONNECTED TO POSTGRESQL - SQLX: " + dsn))
+	// ping
+	if err = db.Ping(); err != nil {
+		fmt.Printf("[postgresql] pgx ping error: %s", err.Error())
+		return nil, err
+	}
 
-	// Config connection pool
-	sqlDB := db.DB
-	sqlDB.SetMaxOpenConns(100)
-	sqlDB.SetMaxIdleConns(20)
-	sqlDB.SetConnMaxLifetime(time.Minute * 5)
+	// config
+	if cfg.MaxOpenConnections == 0 {
+		cfg.MaxOpenConnections = 25
+	}
+	if cfg.MaxIdleConnections == 0 {
+		cfg.MaxIdleConnections = 25
+	}
+	if cfg.ConnectionLifetime == 0 {
+		cfg.ConnectionLifetime = 5 * time.Minute
+	}
+	db.SetMaxOpenConns(cfg.MaxOpenConnections)
+	db.SetMaxIdleConns(cfg.MaxIdleConnections)
+	db.SetConnMaxLifetime(cfg.ConnectionLifetime)
 
-	// Assign client
-	sqlxClient = db
+	// run migration
+	runMigration(db, server)
 
-	return nil
+	// debug mode
+	boil.DebugMode = cfg.IsDebug
+
+	fmt.Printf("⚡️[postgres]: connected to %s:%d, with APM: %t \n", cfg.Host, cfg.Port, cfg.UseElasticAPM)
+
+	return db, nil
 }
-
-// GetSqlxInstance ...
-func GetSqlxInstance() *sqlx.DB {
-	return sqlxClient
-}
-

set.go

@@ -0,0 +1,53 @@
+package postgresql
+
+import (
+	"time"
+
+	"github.com/shopspring/decimal"
+	"github.com/volatiletech/null/v8"
+)
+
+func SetString(val string) null.String {
+	return null.String{
+		String: val,
+		Valid:  true,
+	}
+}
+
+func SetInt(val int) null.Int {
+	return null.Int{
+		Int:   val,
+		Valid: true,
+	}
+}
+
+func SetBool(val bool) (res null.Bool) {
+	return null.Bool{
+		Bool:  val,
+		Valid: true,
+	}
+}
+
+func SetTime(val time.Time) (res null.Time) {
+	if val.IsZero() {
+		return
+	}
+	return null.Time{
+		Time:  val,
+		Valid: true,
+	}
+}
+
+func SetJSON(val []byte) (res null.JSON) {
+	if val == nil {
+		return
+	}
+	return null.JSON{
+		JSON:  val,
+		Valid: true,
+	}
+}
+
+func SetFloat64(val float64) decimal.Decimal {
+	return decimal.NewFromFloat(val)
+}

string.go

@@ -0,0 +1,38 @@
+package postgresql
+
+import (
+	"golang.org/x/text/runes"
+	"golang.org/x/text/transform"
+	"golang.org/x/text/unicode/norm"
+	"regexp"
+	"strings"
+	"unicode"
+)
+
+// RemoveDiacritics ...
+func RemoveDiacritics(s string) string {
+	if s != "" {
+		s = strings.ToLower(s)
+		s = replaceStringWithRegex(s, `đ`, "d")
+		t := transform.Chain(norm.NFD, runes.Remove(runes.In(unicode.Mn)), norm.NFC)
+		result, _, _ := transform.String(t, s)
+		result = replaceStringWithRegex(result, `[^a-zA-Z0-9\s]`, "")
+
+		return result
+	}
+	return ""
+}
+
+// replaceStringWithRegex ...
+func replaceStringWithRegex(src string, regex string, replaceText string) string {
+	reg := regexp.MustCompile(regex)
+	return reg.ReplaceAllString(src, replaceText)
+}
+
+// TransformKeywordToSearchString ...
+func TransformKeywordToSearchString(keyword string) string {
+	s := strings.Trim(keyword, " ")
+	s = RemoveDiacritics(s)
+	s = strings.ReplaceAll(s, " ", "&")
+	return s + ":*" // For prefix search
+}