dev adding create table

dbcon/postgresql.go

@@ -2,6 +2,9 @@ package dbcon
 
 import (
 	"context"
+	"fmt"
+	"reflect"
+	"strings"
 	"time"
 
 	"gorm.io/driver/postgres"
@@ -12,6 +15,12 @@ import (
 	log "gitlab.ursabyte.com/faizal.aziz/ulfssar-go/logger"
 )
 
+var Keys = map[string]string{
+	"Primary Key": "pk",
+	"Foregin Key": "fk",
+	"Unique":      "unique",
+}
+
 type (
 	postgresqldb struct {
 		db  *gorm.DB
@@ -167,6 +176,10 @@ func (d *postgresqldb) Create(args interface{}) error {
 	return d.db.Create(args).Error
 }
 
+func (d *postgresqldb) CreateTable(tableName string, structs interface{}) error {
+	return d.db.Create(generateSQLFromStorage(tableName, structs)).Error
+}
+
 func (d *postgresqldb) Update(args interface{}) error {
 	return d.db.Updates(args).Error
 }
@@ -303,3 +316,41 @@ func NewPostgreSql(option *PostgreSqlOption) (ORM, error) {
 
 	return &postgresqldb{db: db}, nil
 }
+
+func generateSQLFromStorage(tableName string, columnAndValues interface{}) string {
+	st := reflect.TypeOf(columnAndValues)
+	var columnNames strings.Builder
+
+	for i := 0; i < st.NumField(); i++ {
+		field := st.Field(i)
+		columnName := field.Tag.Get("sql-column")
+		if columnName == "" {
+			columnName = field.Name
+		}
+		typeName := field.Tag.Get("sql-type")
+		if typeName == "" {
+			typeName = "text"
+		}
+		argName := field.Tag.Get("sql-constraint")
+
+		keysName := field.Tag.Get("sql-keys")
+		if keysName == "" {
+			keysName = ""
+		} else {
+			if keysName != "" && argName == "" {
+				for key, val := range Keys {
+					if strings.Contains(keysName, key) || strings.Contains(keysName, strings.ToUpper(key)) || strings.Contains(keysName, strings.ToLower(key)) {
+						argName = val
+					}
+				}
+				argName = fmt.Sprintf("%s_%s", keysName, argName)
+			}
+		}
+
+		columnNames.WriteString(fmt.Sprintf("%s %s %s %s ,", columnNames, typeName, argName, keysName))
+	}
+
+	columnNamesStr := strings.TrimRight(columnNames.String(), ",")
+
+	return fmt.Sprintf("CREATE TABLE %s '(%s)'", tableName, columnNamesStr)
+}