Merge pull request 'refactor(repository): use prepared statements' (#105) from stage/ruhollahh01/use-prepared-statements into develop

Reviewed-on: ebhomengo/niki#105

repository/mysql/address/create.go

@@ -3,10 +3,12 @@ package mysqladdress
 import (
 	"context"
 	"database/sql"
+	"errors"
 
 	"git.gocasts.ir/ebhomengo/niki/entity"
 	errmsg "git.gocasts.ir/ebhomengo/niki/pkg/err_msg"
 	richerror "git.gocasts.ir/ebhomengo/niki/pkg/rich_error"
+	"git.gocasts.ir/ebhomengo/niki/repository/mysql"
 )
 
 func (d *DB) CreateBenefactorAddress(ctx context.Context, address entity.Address) (entity.Address, error) {
@@ -18,8 +20,15 @@ func (d *DB) CreateBenefactorAddress(ctx context.Context, address entity.Address
 	}
 	address.ProvinceID = provinceID
 
-	// Insert the new address
+	query := `INSERT INTO addresses (postal_code, address, lat, lon, name, city_id, province_id, benefactor_id) VALUES (?, ?, ?, ?, ?, ?, ?, ?)`
-	res, err := d.conn.Conn().ExecContext(ctx, `INSERT INTO addresses (postal_code, address, lat, lon, name, city_id, province_id, benefactor_id) VALUES (?, ?, ?, ?, ?, ?, ?, ?)`,
+	//nolint
+	stmt, err := d.conn.PrepareStatement(ctx, mysql.StatementKeyAddressCreateForBenefactor, query)
+	if err != nil {
+		return entity.Address{}, richerror.New(op).WithErr(err).
+			WithMessage(errmsg.ErrorMsgCantPrepareStatement).WithKind(richerror.KindUnexpected)
+	}
+
+	res, err := stmt.ExecContext(ctx,
 		address.PostalCode, address.Address, address.Lat, address.Lon, address.Name, address.CityID, provinceID, address.BenefactorID)
 	if err != nil {
 		return entity.Address{}, richerror.New(op).WithErr(err).
@@ -40,9 +49,17 @@ func (d *DB) CreateBenefactorAddress(ctx context.Context, address entity.Address
 func (d *DB) getProvinceIDByCityID(ctx context.Context, cityID uint) (uint, error) {
 	const op = "mysqladdress.getProvinceIDByCityID"
 
+	query := `SELECT province_id FROM cities WHERE id = ?`
+	//nolint
+	stmt, err := d.conn.PrepareStatement(ctx, mysql.StatementKeyCityGetProvinceIDByID, query)
+	if err != nil {
+		return 0, richerror.New(op).WithErr(err).
+			WithMessage(errmsg.ErrorMsgCantPrepareStatement).WithKind(richerror.KindUnexpected)
+	}
+
 	var provinceID uint
-	pErr := d.conn.Conn().QueryRowContext(ctx, `SELECT province_id FROM cities WHERE id = ?`, cityID).Scan(&provinceID)
+	pErr := stmt.QueryRowContext(ctx, cityID).Scan(&provinceID)
-	if pErr != nil && pErr != sql.ErrNoRows {
+	if pErr != nil && !errors.Is(pErr, sql.ErrNoRows) {
 		return 0, richerror.New(op).WithErr(pErr).
 			WithMessage(errmsg.ErrorMsgCantScanQueryResult).WithKind(richerror.KindUnexpected)
 	}

repository/mysql/address/delete.go

@@ -5,12 +5,21 @@ import (
 
 	errmsg "git.gocasts.ir/ebhomengo/niki/pkg/err_msg"
 	richerror "git.gocasts.ir/ebhomengo/niki/pkg/rich_error"
+	"git.gocasts.ir/ebhomengo/niki/repository/mysql"
 )
 
 func (d *DB) DeleteBenefactorAddress(ctx context.Context, addressID, benefactorID uint) error {
 	const op = "mysqladdress.DeleteBenefactorAddress"
 
-	_, err := d.conn.Conn().ExecContext(ctx, `UPDATE addresses SET deleted_at = CURRENT_TIMESTAMP WHERE id = ? AND benefactor_id = ? AND deleted_at IS NULL`, addressID, benefactorID)
+	query := `UPDATE addresses SET deleted_at = CURRENT_TIMESTAMP WHERE id = ? AND benefactor_id = ? AND deleted_at IS NULL`
+	//nolint
+	stmt, err := d.conn.PrepareStatement(ctx, mysql.StatementKeyAddressDeleteForBenefactor, query)
+	if err != nil {
+		return richerror.New(op).WithErr(err).
+			WithMessage(errmsg.ErrorMsgCantPrepareStatement).WithKind(richerror.KindUnexpected)
+	}
+
+	_, err = stmt.ExecContext(ctx, addressID, benefactorID)
 	if err != nil {
 		return richerror.New(op).WithErr(err).WithKind(richerror.KindUnexpected).WithMessage(errmsg.ErrorMsgCantDeleteAddress)
 	}

repository/mysql/address/exist_address.go

@@ -7,14 +7,22 @@ import (
 
 	errmsg "git.gocasts.ir/ebhomengo/niki/pkg/err_msg"
 	richerror "git.gocasts.ir/ebhomengo/niki/pkg/rich_error"
+	"git.gocasts.ir/ebhomengo/niki/repository/mysql"
 )
 
 func (d *DB) IsExistAddressByID(ctx context.Context, addressID, benefactorID uint) (bool, error) {
 	const op = "mysqladdress.IsExistAddressByID"
 
-	row := d.conn.Conn().QueryRowContext(ctx, `select * from addresses where id = ? and benefactor_id = ? and deleted_at is null `, addressID, benefactorID)
+	query := `select * from addresses where id = ? and benefactor_id = ? and deleted_at is null `
+	//nolint
+	stmt, err := d.conn.PrepareStatement(ctx, mysql.StatementKeyAddressIsExistByID, query)
+	if err != nil {
+		return false, richerror.New(op).WithErr(err).
+			WithMessage(errmsg.ErrorMsgCantPrepareStatement).WithKind(richerror.KindUnexpected)
+	}
 
-	_, err := scanAddress(row)
+	row := stmt.QueryRowContext(ctx, addressID, benefactorID)
+	_, err = scanAddress(row)
 	if err != nil {
 		sErr := sql.ErrNoRows
 		//TODO-errorsas: second argument to errors.As should not be *error

repository/mysql/address/exist_city.go

@@ -7,13 +7,22 @@ import (
 
 	errmsg "git.gocasts.ir/ebhomengo/niki/pkg/err_msg"
 	richerror "git.gocasts.ir/ebhomengo/niki/pkg/rich_error"
+	"git.gocasts.ir/ebhomengo/niki/repository/mysql"
 )
 
 func (d *DB) IsExistCityByID(ctx context.Context, id uint) (bool, error) {
 	const op = "mysqladdress.IsExistCityByID"
-	row := d.conn.Conn().QueryRowContext(ctx, `select * from cities where id = ?`, id)
 
-	_, err := scanCity(row)
+	query := `select * from cities where id = ?`
+	//nolint
+	stmt, err := d.conn.PrepareStatement(ctx, mysql.StatementKeyCityIsExistByID, query)
+	if err != nil {
+		return false, richerror.New(op).WithErr(err).
+			WithMessage(errmsg.ErrorMsgCantPrepareStatement).WithKind(richerror.KindUnexpected)
+	}
+
+	row := stmt.QueryRowContext(ctx, id)
+	_, err = scanCity(row)
 	if err != nil {
 		sErr := sql.ErrNoRows
 		//TODO-errorsas: second argument to errors.As should not be *error

repository/mysql/address/exist_province.go

@@ -7,14 +7,22 @@ import (
 
 	errmsg "git.gocasts.ir/ebhomengo/niki/pkg/err_msg"
 	richerror "git.gocasts.ir/ebhomengo/niki/pkg/rich_error"
+	"git.gocasts.ir/ebhomengo/niki/repository/mysql"
 )
 
 func (d *DB) IsExistProvinceByID(ctx context.Context, id uint) (bool, error) {
 	const op = "mysqladdress.IsExistProvinceByID"
 
-	row := d.conn.Conn().QueryRowContext(ctx, `select * from provinces where id = ?`, id)
+	query := `select * from provinces where id = ?`
+	//nolint
+	stmt, err := d.conn.PrepareStatement(ctx, mysql.StatementKeyProvinceIsExistByID, query)
+	if err != nil {
+		return false, richerror.New(op).WithErr(err).
+			WithMessage(errmsg.ErrorMsgCantPrepareStatement).WithKind(richerror.KindUnexpected)
+	}
 
-	_, err := scanProvince(row)
+	row := stmt.QueryRowContext(ctx, id)
+	_, err = scanProvince(row)
 	if err != nil {
 		sErr := sql.ErrNoRows
 		//TODO-errorsas: second argument to errors.As should not be *error

repository/mysql/address/get.go

@@ -16,8 +16,15 @@ import (
 func (d *DB) GetAddressByID(ctx context.Context, id uint) (*entity.Address, error) {
 	const op = "mysqladdress.IsExistAddressByID"
 
-	row := d.conn.Conn().QueryRowContext(ctx, `select * from addresses where id = ? and deleted_at is null`, id)
+	query := `select * from addresses where id = ? and deleted_at is null`
+	//nolint
+	stmt, err := d.conn.PrepareStatement(ctx, mysql.StatementKeyAddressGetByID, query)
+	if err != nil {
+		return nil, richerror.New(op).WithErr(err).
+			WithMessage(errmsg.ErrorMsgCantPrepareStatement).WithKind(richerror.KindUnexpected)
+	}
 
+	row := stmt.QueryRowContext(ctx, id)
 	address, err := scanAddress(row)
 	if err != nil {
 		sErr := sql.ErrNoRows

repository/mysql/address/get_all.go

@@ -6,12 +6,21 @@ import (
 	"git.gocasts.ir/ebhomengo/niki/entity"
 	errmsg "git.gocasts.ir/ebhomengo/niki/pkg/err_msg"
 	richerror "git.gocasts.ir/ebhomengo/niki/pkg/rich_error"
+	"git.gocasts.ir/ebhomengo/niki/repository/mysql"
 )
 
 func (d *DB) GetAddresses(ctx context.Context, benefactorID uint) ([]entity.Address, error) {
 	const op = "mysqladdress.GetAddresses"
 
-	rows, err := d.conn.Conn().QueryContext(ctx, `select * from addresses where benefactor_id = ? and deleted_at is null`, benefactorID)
+	query := `select * from addresses where benefactor_id = ? and deleted_at is null`
+	//nolint
+	stmt, err := d.conn.PrepareStatement(ctx, mysql.StatementKeyAddressGetAllByBenefactorID, query)
+	if err != nil {
+		return nil, richerror.New(op).WithErr(err).
+			WithMessage(errmsg.ErrorMsgCantPrepareStatement).WithKind(richerror.KindUnexpected)
+	}
+
+	rows, err := stmt.QueryContext(ctx, benefactorID)
 	if err != nil {
 		return nil, richerror.New(op).WithErr(err).
 			WithMessage(errmsg.ErrorMsgSomethingWentWrong).WithKind(richerror.KindUnexpected)

repository/mysql/address/get_all_cities.go

@@ -13,16 +13,22 @@ import (
 func (d *DB) GetAllCities(ctx context.Context) ([]entity.City, error) {
 	const op = "mysqladdress.GetAllCities"
 
-	cities := make([]entity.City, 0)
+	query := `SELECT * FROM cities;`
+	//nolint
+	stmt, err := d.conn.PrepareStatement(ctx, mysql.StatementKeyCityGetAll, query)
+	if err != nil {
+		return nil, richerror.New(op).WithErr(err).
+			WithMessage(errmsg.ErrorMsgCantPrepareStatement).WithKind(richerror.KindUnexpected)
+	}
 
-	rows, err := d.conn.Conn().QueryContext(ctx, `SELECT * FROM cities;`)
+	rows, err := stmt.QueryContext(ctx)
 	if err != nil {
 		return nil, richerror.New(op).WithErr(err).
 			WithMessage(errmsg.ErrorMsgSomethingWentWrong).WithKind(richerror.KindUnexpected)
 	}
-
 	defer rows.Close()
 
+	cities := make([]entity.City, 0)
 	for rows.Next() {
 		city, err := scanCity(rows)
 		if err != nil {
@@ -33,7 +39,7 @@ func (d *DB) GetAllCities(ctx context.Context) ([]entity.City, error) {
 		cities = append(cities, city)
 	}
 
-	if err := rows.Err(); err != nil {
+	if err = rows.Err(); err != nil {
 		return nil, richerror.New(op).WithErr(err).
 			WithMessage(errmsg.ErrorMsgSomethingWentWrong).WithKind(richerror.KindUnexpected)
 	}

repository/mysql/address/get_all_provinces.go

@@ -13,16 +13,22 @@ import (
 func (d *DB) GetAllProvinces(ctx context.Context) ([]entity.Province, error) {
 	const op = "mysqladdress.GetAllProvinces"
 
-	provinces := make([]entity.Province, 0)
+	query := `SELECT * FROM provinces;`
+	//nolint
+	stmt, err := d.conn.PrepareStatement(ctx, mysql.StatementKeyProvinceGetAll, query)
+	if err != nil {
+		return nil, richerror.New(op).WithErr(err).
+			WithMessage(errmsg.ErrorMsgCantPrepareStatement).WithKind(richerror.KindUnexpected)
+	}
 
-	rows, err := d.conn.Conn().QueryContext(ctx, `SELECT * FROM provinces;`)
+	rows, err := stmt.QueryContext(ctx)
 	if err != nil {
 		return nil, richerror.New(op).WithErr(err).
 			WithMessage(errmsg.ErrorMsgSomethingWentWrong).WithKind(richerror.KindUnexpected)
 	}
-
 	defer rows.Close()
 
+	provinces := make([]entity.Province, 0)
 	for rows.Next() {
 		province, err := scanProvince(rows)
 		if err != nil {
@@ -33,7 +39,7 @@ func (d *DB) GetAllProvinces(ctx context.Context) ([]entity.Province, error) {
 		provinces = append(provinces, province)
 	}
 
-	if err := rows.Err(); err != nil {
+	if err = rows.Err(); err != nil {
 		return nil, richerror.New(op).WithErr(err).
 			WithMessage(errmsg.ErrorMsgSomethingWentWrong).WithKind(richerror.KindUnexpected)
 	}

repository/mysql/address/update.go

@@ -6,6 +6,7 @@ import (
 	"git.gocasts.ir/ebhomengo/niki/entity"
 	errmsg "git.gocasts.ir/ebhomengo/niki/pkg/err_msg"
 	richerror "git.gocasts.ir/ebhomengo/niki/pkg/rich_error"
+	"git.gocasts.ir/ebhomengo/niki/repository/mysql"
 )
 
 func (d *DB) UpdateAddress(ctx context.Context, address entity.Address) error {
@@ -19,7 +20,14 @@ func (d *DB) UpdateAddress(ctx context.Context, address entity.Address) error {
 	query := `UPDATE addresses 
 			  SET postal_code = ?, address = ?, lat = ?, lon = ?, name = ?, city_id = ?, province_id = ? 
 			  WHERE id = ? AND benefactor_id = ? AND deleted_at IS NULL`
-	_, uErr := d.conn.Conn().ExecContext(ctx, query, address.PostalCode, address.Address, address.Lat, address.Lon, address.Name, address.CityID, provinceID, address.ID, address.BenefactorID)
+	//nolint
+	stmt, err := d.conn.PrepareStatement(ctx, mysql.StatementKeyAddressUpdate, query)
+	if err != nil {
+		return richerror.New(op).WithErr(err).
+			WithMessage(errmsg.ErrorMsgCantPrepareStatement).WithKind(richerror.KindUnexpected)
+	}
+
+	_, uErr := stmt.ExecContext(ctx, address.PostalCode, address.Address, address.Lat, address.Lon, address.Name, address.CityID, provinceID, address.ID, address.BenefactorID)
 	if err != nil {
 		return richerror.New(op).WithErr(uErr).WithMessage(errmsg.ErrorMsgCantUpdateRecord).
 			WithKind(richerror.KindUnexpected)

repository/mysql/admin/authorization.go

@@ -1,6 +1,7 @@
 package mysqladmin
 
 import (
+	"context"
 	"slices"
 	"time"
 
@@ -13,18 +14,23 @@ import (
 func (d *DB) GetAdminPermissions(adminID uint, role entity.AdminRole) ([]entity.AdminPermission, error) {
 	const op = "mysqladmin.GetAdminPermissions"
 
-	// get adminRoleACL
+	query := `select * from admin_access_controls where actor_type = ? and actor_id = ?`
-	adminRoleACL := make([]entity.AdminAccessControl, 0)
+	//nolint
+	stmt, err := d.conn.PrepareStatement(context.Background(), mysql.StatementKeyAdminAccessControlGetPermissions, query)
+	if err != nil {
+		return nil, richerror.New(op).WithErr(err).
+			WithMessage(errmsg.ErrorMsgCantPrepareStatement).WithKind(richerror.KindUnexpected)
+	}
 
-	adminRoleRows, err := d.conn.Conn().Query(`select * from admin_access_controls where actor_type = ? and actor_id = ?`,
+	// Get admin role ACL
-		entity.AdminRoleActorType, role)
+	adminRoleRows, err := stmt.Query(entity.AdminRoleActorType, role)
 	if err != nil {
 		return nil, richerror.New(op).WithErr(err).
 			WithMessage(errmsg.ErrorMsgSomethingWentWrong).WithKind(richerror.KindUnexpected)
 	}
-
 	defer adminRoleRows.Close()
 
+	adminRoleACL := make([]entity.AdminAccessControl, 0)
 	for adminRoleRows.Next() {
 		acl, err := scanAccessControl(adminRoleRows)
 		if err != nil {
@@ -35,23 +41,20 @@ func (d *DB) GetAdminPermissions(adminID uint, role entity.AdminRole) ([]entity.
 		adminRoleACL = append(adminRoleACL, acl)
 	}
 
-	if err := adminRoleRows.Err(); err != nil {
+	if err = adminRoleRows.Err(); err != nil {
 		return nil, richerror.New(op).WithErr(err).
 			WithMessage(errmsg.ErrorMsgSomethingWentWrong).WithKind(richerror.KindUnexpected)
 	}
 
-	// get adminACL
+	// Get admin ACL
-	adminACL := make([]entity.AdminAccessControl, 0)
+	adminRows, err := stmt.Query(entity.AdminAdminActorType, adminID)
-
-	adminRows, err := d.conn.Conn().Query(`select * from admin_access_controls where actor_type = ? and actor_id = ?`,
-		entity.AdminAdminActorType, adminID)
 	if err != nil {
 		return nil, richerror.New(op).WithErr(err).
 			WithMessage(errmsg.ErrorMsgSomethingWentWrong).WithKind(richerror.KindUnexpected)
 	}
-
 	defer adminRows.Close()
 
+	adminACL := make([]entity.AdminAccessControl, 0)
 	for adminRows.Next() {
 		acl, err := scanAccessControl(adminRows)
 		if err != nil {
@@ -62,7 +65,7 @@ func (d *DB) GetAdminPermissions(adminID uint, role entity.AdminRole) ([]entity.
 		adminACL = append(adminACL, acl)
 	}
 
-	if err := adminRows.Err(); err != nil {
+	if err = adminRows.Err(); err != nil {
 		return nil, richerror.New(op).WithErr(err).
 			WithMessage(errmsg.ErrorMsgSomethingWentWrong).WithKind(richerror.KindUnexpected)
 	}

repository/mysql/admin/create.go

@@ -6,15 +6,25 @@ import (
 	"git.gocasts.ir/ebhomengo/niki/entity"
 	errmsg "git.gocasts.ir/ebhomengo/niki/pkg/err_msg"
 	richerror "git.gocasts.ir/ebhomengo/niki/pkg/rich_error"
+	"git.gocasts.ir/ebhomengo/niki/repository/mysql"
 )
 
-func (d DB) AddAdmin(ctx context.Context, admin entity.Admin) (entity.Admin, error) {
+func (d *DB) AddAdmin(ctx context.Context, admin entity.Admin) (entity.Admin, error) {
 	const op = "mysqladmin.AddAdmin"
 
-	res, err := d.conn.Conn().ExecContext(ctx, `insert into admins(first_name,last_name,password,phone_number,
+	query := `insert into admins(first_name,last_name,password,phone_number,
-                   role,description,email,gender,status) values (?,?,?,?,?,?,?,?,?)`,
+                   role,description,email,gender,status) values (?,?,?,?,?,?,?,?,?)`
-		admin.FirstName, admin.LastName, admin.Password, admin.PhoneNumber, admin.Role.String(), admin.Description, admin.Email,
+	//nolint
-		admin.Gender.String(), admin.Status.String())
+	stmt, err := d.conn.PrepareStatement(ctx, mysql.StatementKeyAdminAdd, query)
+	if err != nil {
+		return entity.Admin{}, richerror.New(op).WithErr(err).
+			WithMessage(errmsg.ErrorMsgCantPrepareStatement).WithKind(richerror.KindUnexpected)
+	}
+
+	res, err := stmt.ExecContext(ctx,
+		admin.FirstName, admin.LastName, admin.Password,
+		admin.PhoneNumber, admin.Role.String(), admin.Description,
+		admin.Email, admin.Gender.String(), admin.Status.String())
 	if err != nil {
 		return entity.Admin{}, richerror.New(op).WithErr(err).
 			WithMessage(errmsg.ErrorMsgNotFound).WithKind(richerror.KindUnexpected)

repository/mysql/admin/exist_admin.go

@@ -8,14 +8,22 @@ import (
 	entity "git.gocasts.ir/ebhomengo/niki/entity"
 	errmsg "git.gocasts.ir/ebhomengo/niki/pkg/err_msg"
 	richerror "git.gocasts.ir/ebhomengo/niki/pkg/rich_error"
+	"git.gocasts.ir/ebhomengo/niki/repository/mysql"
 )
 
-func (d DB) AdminExistByPhoneNumber(ctx context.Context, phoneNumber string) (bool, error) {
+func (d *DB) AdminExistByPhoneNumber(ctx context.Context, phoneNumber string) (bool, error) {
 	const op = "mysqlbenefactor.IsExistBenefactorByID"
 
-	row := d.conn.Conn().QueryRowContext(ctx, `select * from admins where phone_number = ?`, phoneNumber)
+	query := `select * from admins where phone_number = ?`
+	//nolint
+	stmt, err := d.conn.PrepareStatement(ctx, mysql.StatementKeyAdminExistByPhoneNumber, query)
+	if err != nil {
+		return false, richerror.New(op).WithErr(err).
+			WithMessage(errmsg.ErrorMsgCantPrepareStatement).WithKind(richerror.KindUnexpected)
+	}
 
-	_, err := scanAdmin(row)
+	row := stmt.QueryRowContext(ctx, phoneNumber)
+	_, err = scanAdmin(row)
 	if err != nil {
 		sErr := sql.ErrNoRows
 		//TODO-errorsas: second argument to errors.As should not be *error
@@ -32,12 +40,19 @@ func (d DB) AdminExistByPhoneNumber(ctx context.Context, phoneNumber string) (bo
 	return true, nil
 }
 
-func (d DB) AdminExistByEmail(ctx context.Context, email string) (bool, error) {
+func (d *DB) AdminExistByEmail(ctx context.Context, email string) (bool, error) {
 	const op = "mysqlbenefactor.IsExistBenefactorByID"
 
-	row := d.conn.Conn().QueryRowContext(ctx, `select * from admins where email = ?`, email)
+	query := `select * from admins where email = ?`
+	//nolint
+	stmt, err := d.conn.PrepareStatement(ctx, mysql.StatementKeyAdminExistByEmail, query)
+	if err != nil {
+		return false, richerror.New(op).WithErr(err).
+			WithMessage(errmsg.ErrorMsgCantPrepareStatement).WithKind(richerror.KindUnexpected)
+	}
 
-	_, err := scanAdmin(row)
+	row := stmt.QueryRowContext(ctx, email)
+	_, err = scanAdmin(row)
 	if err != nil {
 		sErr := sql.ErrNoRows
 		//TODO-errorsas: second argument to errors.As should not be *error
@@ -54,11 +69,18 @@ func (d DB) AdminExistByEmail(ctx context.Context, email string) (bool, error) {
 	return true, nil
 }
 
-func (d DB) GetAdminByID(ctx context.Context, adminID uint) (entity.Admin, error) {
+func (d *DB) GetAdminByID(ctx context.Context, adminID uint) (entity.Admin, error) {
 	const op = "mysqladmin.GetAdminByID"
 
-	row := d.conn.Conn().QueryRowContext(ctx, `select * from admins where id = ?`, adminID)
+	query := `select * from admins where id = ?`
+	//nolint
+	stmt, err := d.conn.PrepareStatement(ctx, mysql.StatementKeyAdminGetByID, query)
+	if err != nil {
+		return entity.Admin{}, richerror.New(op).WithErr(err).
+			WithMessage(errmsg.ErrorMsgCantPrepareStatement).WithKind(richerror.KindUnexpected)
+	}
 
+	row := stmt.QueryRowContext(ctx, adminID)
 	admin, err := scanAdmin(row)
 	if err != nil {
 		sErr := sql.ErrNoRows
@@ -76,12 +98,19 @@ func (d DB) GetAdminByID(ctx context.Context, adminID uint) (entity.Admin, error
 	return admin, nil
 }
 
-func (d DB) AgentExistByID(ctx context.Context, agentID uint) (bool, error) {
+func (d *DB) AgentExistByID(ctx context.Context, agentID uint) (bool, error) {
 	const op = "mysqladmin.AgentExistByID"
 
 	query := `select count(*) from admins where role = ? and id = ?`
+	//nolint
+	stmt, err := d.conn.PrepareStatement(ctx, mysql.StatementKeyAdminAgentExistByID, query)
+	if err != nil {
+		return false, richerror.New(op).WithErr(err).
+			WithMessage(errmsg.ErrorMsgCantPrepareStatement).WithKind(richerror.KindUnexpected)
+	}
+
 	var count int
-	err := d.conn.Conn().QueryRowContext(ctx, query, entity.AdminAgentRole.String(), agentID).Scan(&count)
+	err = stmt.QueryRowContext(ctx, entity.AdminAgentRole.String(), agentID).Scan(&count)
 	if err != nil {
 		return false, richerror.New(op).WithErr(err).
 			WithMessage(errmsg.ErrorMsgCantScanQueryResult).WithKind(richerror.KindUnexpected)

repository/mysql/admin/exist_benefactor.go

@@ -15,9 +15,16 @@ import (
 func (d *DB) IsExistBenefactorByID(ctx context.Context, id uint) (bool, error) {
 	const op = "mysqlbenefactor.IsExistBenefactorByID"
 
-	row := d.conn.Conn().QueryRowContext(ctx, `select * from benefactors where id = ?`, id)
+	query := `select * from benefactors where id = ?`
+	//nolint
+	stmt, err := d.conn.PrepareStatement(ctx, mysql.StatementKeyBenefactorIsExistByID, query)
+	if err != nil {
+		return false, richerror.New(op).WithErr(err).
+			WithMessage(errmsg.ErrorMsgCantPrepareStatement).WithKind(richerror.KindUnexpected)
+	}
 
-	_, err := scanBenefactor(row)
+	row := stmt.QueryRowContext(ctx, id)
+	_, err = scanBenefactor(row)
 	if err != nil {
 		sErr := sql.ErrNoRows
 		//TODO-errorsas: second argument to errors.As should not be *error

repository/mysql/admin/get.go

@@ -12,11 +12,18 @@ import (
 	"git.gocasts.ir/ebhomengo/niki/repository/mysql"
 )
 
-func (d DB) GetAdminByPhoneNumber(ctx context.Context, phoneNumber string) (entity.Admin, error) {
+func (d *DB) GetAdminByPhoneNumber(ctx context.Context, phoneNumber string) (entity.Admin, error) {
-	const op = "mysqlbenefactor.IsExistBenefactorByID"
+	const op = "mysqladmin.GetAdminByPhoneNumber"
 
-	row := d.conn.Conn().QueryRowContext(ctx, `select * from admins where phone_number = ?`, phoneNumber)
+	query := `select * from admins where phone_number = ?`
+	//nolint
+	stmt, err := d.conn.PrepareStatement(ctx, mysql.StatementKeyAdminGetByPhoneNumber, query)
+	if err != nil {
+		return entity.Admin{}, richerror.New(op).WithErr(err).
+			WithMessage(errmsg.ErrorMsgCantPrepareStatement).WithKind(richerror.KindUnexpected)
+	}
 
+	row := stmt.QueryRowContext(ctx, phoneNumber)
 	admin, err := scanAdmin(row)
 	if err != nil {
 		sErr := sql.ErrNoRows

repository/mysql/admin/get_all_agent.go

@@ -6,19 +6,27 @@ import (
 	"git.gocasts.ir/ebhomengo/niki/entity"
 	errmsg "git.gocasts.ir/ebhomengo/niki/pkg/err_msg"
 	richerror "git.gocasts.ir/ebhomengo/niki/pkg/rich_error"
+	"git.gocasts.ir/ebhomengo/niki/repository/mysql"
 )
 
-func (d DB) GetAllAgent(ctx context.Context) ([]entity.Admin, error) {
+func (d *DB) GetAllAgent(ctx context.Context) ([]entity.Admin, error) {
 	const op = "mysqladmin.GetAllAgent"
 
-	agents := make([]entity.Admin, 0)
 	query := `SELECT id, first_name, last_name, phone_number FROM admins WHERE role = 'agent' AND status = 'active'`
-	rows, err := d.conn.Conn().QueryContext(ctx, query)
+	//nolint
+	stmt, err := d.conn.PrepareStatement(ctx, mysql.StatementKeyAdminAgentGetAll, query)
+	if err != nil {
+		return nil, richerror.New(op).WithErr(err).
+			WithMessage(errmsg.ErrorMsgCantPrepareStatement).WithKind(richerror.KindUnexpected)
+	}
+
+	rows, err := stmt.QueryContext(ctx)
 	if err != nil {
 		return nil, richerror.New(op).WithErr(err).WithMessage(errmsg.ErrorMsgSomethingWentWrong).WithKind(richerror.KindUnexpected)
 	}
 	defer rows.Close()
 
+	agents := make([]entity.Admin, 0)
 	for rows.Next() {
 		var agent entity.Admin
 		sErr := rows.Scan(&agent.ID, &agent.FirstName, &agent.LastName, &agent.PhoneNumber)

repository/mysql/admin/get_benefactor_address.go

@@ -15,8 +15,15 @@ import (
 func (d *DB) GetAddressByID(ctx context.Context, id uint) (*entity.Address, error) {
 	const op = "mysqladdress.IsExistAddressByID"
 
-	row := d.conn.Conn().QueryRowContext(ctx, `select * from addresses where id = ? and deleted_at is null`, id)
+	query := `select * from addresses where id = ? and deleted_at is null`
+	//nolint
+	stmt, err := d.conn.PrepareStatement(ctx, mysql.StatementKeyAddressGetByID, query)
+	if err != nil {
+		return nil, richerror.New(op).WithErr(err).
+			WithMessage(errmsg.ErrorMsgCantPrepareStatement).WithKind(richerror.KindUnexpected)
+	}
 
+	row := stmt.QueryRowContext(ctx, id)
 	address, err := scanAddress(row)
 	if err != nil {
 		sErr := sql.ErrNoRows

repository/mysql/benefactor/create.go

@@ -6,13 +6,21 @@ import (
 	"git.gocasts.ir/ebhomengo/niki/entity"
 	errmsg "git.gocasts.ir/ebhomengo/niki/pkg/err_msg"
 	richerror "git.gocasts.ir/ebhomengo/niki/pkg/rich_error"
+	"git.gocasts.ir/ebhomengo/niki/repository/mysql"
 )
 
-func (d DB) CreateBenefactor(ctx context.Context, benefactor entity.Benefactor) (entity.Benefactor, error) {
+func (d *DB) CreateBenefactor(ctx context.Context, benefactor entity.Benefactor) (entity.Benefactor, error) {
 	const op = "mysqlbenefactor.CreateBenefactor"
 
-	res, err := d.conn.Conn().ExecContext(ctx, `insert into benefactors(phone_number) values(?)`,
+	query := `insert into benefactors(phone_number) values(?)`
-		benefactor.PhoneNumber)
+	//nolint
+	stmt, err := d.conn.PrepareStatement(ctx, mysql.StatementKeyBenefactorCreate, query)
+	if err != nil {
+		return entity.Benefactor{}, richerror.New(op).WithErr(err).
+			WithMessage(errmsg.ErrorMsgCantPrepareStatement).WithKind(richerror.KindUnexpected)
+	}
+
+	res, err := stmt.ExecContext(ctx, benefactor.PhoneNumber)
 	if err != nil {
 		return entity.Benefactor{}, richerror.New(op).WithErr(err).
 			WithMessage(errmsg.ErrorMsgNotFound).WithKind(richerror.KindUnexpected)

repository/mysql/benefactor/exist_benefactor.go

@@ -12,11 +12,18 @@ import (
 	"git.gocasts.ir/ebhomengo/niki/repository/mysql"
 )
 
-func (d DB) IsExistBenefactorByPhoneNumber(ctx context.Context, phoneNumber string) (bool, entity.Benefactor, error) {
+func (d *DB) IsExistBenefactorByPhoneNumber(ctx context.Context, phoneNumber string) (bool, entity.Benefactor, error) {
 	const op = "mysqlbenefactor.IsExistBenefactorByPhoneNumber"
 
-	row := d.conn.Conn().QueryRowContext(ctx, `select * from benefactors where phone_number = ?`, phoneNumber)
+	query := `select * from benefactors where phone_number = ?`
+	//nolint
+	stmt, err := d.conn.PrepareStatement(ctx, mysql.StatementKeyBenefactorIsExistByPhoneNumber, query)
+	if err != nil {
+		return false, entity.Benefactor{}, richerror.New(op).WithErr(err).
+			WithMessage(errmsg.ErrorMsgCantPrepareStatement).WithKind(richerror.KindUnexpected)
+	}
 
+	row := stmt.QueryRowContext(ctx, phoneNumber)
 	Benefactor, err := scanBenefactor(row)
 	if err != nil {
 		sErr := sql.ErrNoRows
@@ -37,9 +44,16 @@ func (d DB) IsExistBenefactorByPhoneNumber(ctx context.Context, phoneNumber stri
 func (d *DB) IsExistBenefactorByID(ctx context.Context, id uint) (bool, error) {
 	const op = "mysqlbenefactor.IsExistBenefactorByID"
 
-	row := d.conn.Conn().QueryRowContext(ctx, `select * from benefactors where id = ?`, id)
+	query := `select * from benefactors where id = ?`
+	//nolint
+	stmt, err := d.conn.PrepareStatement(ctx, mysql.StatementKeyBenefactorIsExistByID, query)
+	if err != nil {
+		return false, richerror.New(op).WithErr(err).
+			WithMessage(errmsg.ErrorMsgCantPrepareStatement).WithKind(richerror.KindUnexpected)
+	}
 
-	_, err := scanBenefactor(row)
+	row := stmt.QueryRowContext(ctx, id)
+	_, err = scanBenefactor(row)
 	if err != nil {
 		sErr := sql.ErrNoRows
 		//TODO-errorsas: second argument to errors.As should not be *error

repository/mysql/db.go

@@ -1,6 +1,7 @@
 package mysql
 
 import (
+	"context"
 	"database/sql"
 	"fmt"
 	"sync"
@@ -21,7 +22,7 @@ type DB struct {
 	config     Config
 	db         *querier.SQLDB
 	mu         sync.Mutex
-	statements map[string]*sql.Stmt
+	statements map[statementKey]*sql.Stmt
 }
 
 func (db *DB) Conn() *querier.SQLDB {
@@ -53,11 +54,11 @@ func New(config Config) *DB {
 	return &DB{
 		config:     config,
 		db:         &querier.SQLDB{DB: db},
-		statements: make(map[string]*sql.Stmt),
+		statements: make(map[statementKey]*sql.Stmt),
 	}
 }
 
-func (db *DB) PrepareStatement(key, query string) (*sql.Stmt, error) {
+func (db *DB) PrepareStatement(ctx context.Context, key statementKey, query string) (*sql.Stmt, error) {
 	db.mu.Lock()
 	defer db.mu.Unlock()
 
@@ -65,7 +66,7 @@ func (db *DB) PrepareStatement(key, query string) (*sql.Stmt, error) {
 		return stmt, nil
 	}
 
-	stmt, err := db.db.Prepare(query)
+	stmt, err := db.db.PrepareContext(ctx, query)
 	if err != nil {
 		return nil, err
 	}
@@ -85,7 +86,5 @@ func (db *DB) CloseStatements() error {
 		}
 	}
 
-	db.statements = make(map[string]*sql.Stmt)
-
 	return nil
 }

repository/mysql/kind_box/add.go

@@ -8,13 +8,21 @@ import (
 	errmsg "git.gocasts.ir/ebhomengo/niki/pkg/err_msg"
 	querytransaction "git.gocasts.ir/ebhomengo/niki/pkg/query_transaction/sql"
 	richerror "git.gocasts.ir/ebhomengo/niki/pkg/rich_error"
+	"git.gocasts.ir/ebhomengo/niki/repository/mysql"
 )
 
-func (d DB) AddKindBox(ctx context.Context, kindBox entity.KindBox) error {
+func (d *DB) AddKindBox(ctx context.Context, kindBox entity.KindBox) error {
 	const op = "mysqlkindbox.AddKindBox"
 
-	_, err := d.conn.Conn().ExecContext(ctx, `insert into kind_boxes(kind_box_req_id,benefactor_id,type,status,sender_agent_id) values (?,?,?,?,?)`,
+	query := `insert into kind_boxes(kind_box_req_id,benefactor_id,type,status,sender_agent_id) values (?,?,?,?,?)`
-		kindBox.KindBoxReqID, kindBox.BenefactorID, kindBox.KindBoxType, entity.KindBoxDeliveredStatus.String(), kindBox.SenderAgentID)
+	//nolint
+	stmt, err := d.conn.PrepareStatement(ctx, mysql.StatementKeyKindBoxAdd, query)
+	if err != nil {
+		return richerror.New(op).WithErr(err).
+			WithMessage(errmsg.ErrorMsgCantPrepareStatement).WithKind(richerror.KindUnexpected)
+	}
+
+	_, err = stmt.ExecContext(ctx, kindBox.KindBoxReqID, kindBox.BenefactorID, kindBox.KindBoxType, entity.KindBoxDeliveredStatus.String(), kindBox.SenderAgentID)
 	if err != nil {
 		return richerror.New(op).WithErr(err).
 			WithMessage(errmsg.ErrorMsgNotFound).WithKind(richerror.KindUnexpected)
@@ -23,7 +31,7 @@ func (d DB) AddKindBox(ctx context.Context, kindBox entity.KindBox) error {
 	return nil
 }
 
-func (d DB) AddBatchKindBox(ctx context.Context, kindBoxes []entity.KindBox) error {
+func (d *DB) AddBatchKindBox(ctx context.Context, kindBoxes []entity.KindBox) error {
 	const op = "mysqlkindbox.AddBatchKindBoxConcurrentlyRollback"
 
 	queryStr := "INSERT INTO kind_boxes (kind_box_req_id, benefactor_id, type, serial_number, status ,deliver_refer_time_id,deliver_refer_date,deliver_address_id,sender_agent_id,delivered_at) VALUES "

repository/mysql/kind_box/assign_receiver_agent.go

@@ -6,14 +6,21 @@ import (
 	"git.gocasts.ir/ebhomengo/niki/entity"
 	errmsg "git.gocasts.ir/ebhomengo/niki/pkg/err_msg"
 	richerror "git.gocasts.ir/ebhomengo/niki/pkg/rich_error"
+	"git.gocasts.ir/ebhomengo/niki/repository/mysql"
 )
 
-func (d DB) AssignReceiverAgent(ctx context.Context, kindBox entity.KindBox) error {
+func (d *DB) AssignReceiverAgent(ctx context.Context, kindBox entity.KindBox) error {
 	const op = "mysqlkindbox.AssignReceiverAgent"
 
 	query := `UPDATE kind_boxes SET receiver_agent_id = ?, status = ? WHERE status = ? AND id = ?`
-	_, err := d.conn.Conn().ExecContext(ctx, query,
+	//nolint
-		kindBox.ReceiverAgentID, entity.KindBoxAssignedReceiverAgentStatus.String(), entity.KindBoxReadyToReturnStatus.String(), kindBox.ID)
+	stmt, err := d.conn.PrepareStatement(ctx, mysql.StatementKeyKindBoxAssignReceiverAgent, query)
+	if err != nil {
+		return richerror.New(op).WithErr(err).
+			WithMessage(errmsg.ErrorMsgCantPrepareStatement).WithKind(richerror.KindUnexpected)
+	}
+
+	_, err = stmt.ExecContext(ctx, kindBox.ReceiverAgentID, entity.KindBoxAssignedReceiverAgentStatus.String(), entity.KindBoxReadyToReturnStatus.String(), kindBox.ID)
 	if err != nil {
 		return richerror.New(op).WithErr(err).
 			WithMessage(errmsg.ErrorMsgSomethingWentWrong).WithKind(richerror.KindUnexpected)

repository/mysql/kind_box/enumerate.go

@@ -6,13 +6,21 @@ import (
 	"git.gocasts.ir/ebhomengo/niki/entity"
 	errmsg "git.gocasts.ir/ebhomengo/niki/pkg/err_msg"
 	richerror "git.gocasts.ir/ebhomengo/niki/pkg/rich_error"
+	"git.gocasts.ir/ebhomengo/niki/repository/mysql"
 )
 
-func (d DB) EnumerateKindBox(ctx context.Context, kindBoxID, amount uint) error {
+func (d *DB) EnumerateKindBox(ctx context.Context, kindBoxID, amount uint) error {
 	const op = "mysqlkindbox.EnumerateKindBox"
 
 	query := `UPDATE kind_boxes SET amount = ?, status = ? WHERE id = ?`
-	_, err := d.conn.Conn().ExecContext(ctx, query, amount, entity.KindBoxEnumeratedStatus.String(), kindBoxID)
+	//nolint
+	stmt, err := d.conn.PrepareStatement(ctx, mysql.StatementKeyKindBoxEnumerate, query)
+	if err != nil {
+		return richerror.New(op).WithErr(err).
+			WithMessage(errmsg.ErrorMsgCantPrepareStatement).WithKind(richerror.KindUnexpected)
+	}
+
+	_, err = stmt.ExecContext(ctx, amount, entity.KindBoxEnumeratedStatus.String(), kindBoxID)
 	if err != nil {
 		return richerror.New(op).WithErr(err).
 			WithMessage(errmsg.ErrorMsgSomethingWentWrong).WithKind(richerror.KindUnexpected)

repository/mysql/kind_box/exist_kindbox.go

@@ -2,37 +2,28 @@ package mysqlkindbox
 
 import (
 	"context"
+	"database/sql"
+	"errors"
 
 	"git.gocasts.ir/ebhomengo/niki/entity"
 	errmsg "git.gocasts.ir/ebhomengo/niki/pkg/err_msg"
 	richerror "git.gocasts.ir/ebhomengo/niki/pkg/rich_error"
+	"git.gocasts.ir/ebhomengo/niki/repository/mysql"
 )
 
-func (d DB) BenefactorKindBoxExist(ctx context.Context, benefactorID, kindBoxID uint) (bool, error) {
+func (d *DB) BenefactorKindBoxExist(ctx context.Context, benefactorID, kindBoxID uint) (bool, error) {
 	const op = "mysqlkindbox.BenefactorKindBoxExist"
 
-	var count int
+	query := `SELECT COUNT(*) FROM kind_boxes WHERE benefactor_id = ? AND id = ?`
-	if err := d.conn.Conn().QueryRowContext(ctx, `SELECT COUNT(*) FROM kind_boxes WHERE benefactor_id = ? AND id = ?`, benefactorID, kindBoxID).Scan(&count); err != nil {
-		return false, richerror.New(op).WithErr(err).
-			WithMessage(errmsg.ErrorMsgSomethingWentWrong).WithKind(richerror.KindUnexpected)
-	}
-
-	return count > 0, nil
-}
-
-func (d DB) KindBoxExistForAgent(ctx context.Context, kindBoxID, agentID uint) (bool, error) {
-	const op = "mysqlkindbox.KindBoxExistForAgent"
-
-	query := `SELECT COUNT(*) FROM kind_boxes WHERE id = ? AND receiver_agent_id = ? AND status = ? AND deleted_at IS NULL`
 	//nolint
-	stmt, err := d.conn.PrepareStatement(op, query)
+	stmt, err := d.conn.PrepareStatement(ctx, mysql.StatementKeyKindBoxExistForBenefactor, query)
 	if err != nil {
 		return false, richerror.New(op).WithErr(err).
 			WithMessage(errmsg.ErrorMsgCantPrepareStatement).WithKind(richerror.KindUnexpected)
 	}
 
 	var count int
-	if err = stmt.QueryRowContext(ctx, kindBoxID, agentID, entity.KindBoxAssignedReceiverAgentStatus.String()).Scan(&count); err != nil {
+	if err = stmt.QueryRowContext(ctx, benefactorID, kindBoxID).Scan(&count); err != nil {
 		return false, richerror.New(op).WithErr(err).
 			WithMessage(errmsg.ErrorMsgSomethingWentWrong).WithKind(richerror.KindUnexpected)
 	}
@@ -40,14 +31,52 @@ func (d DB) KindBoxExistForAgent(ctx context.Context, kindBoxID, agentID uint) (
 	return count > 0, nil
 }
 
-func (d DB) KindBoxExist(ctx context.Context, kindBoxID uint) (bool, error) {
+func (d *DB) KindBoxExistForAgent(ctx context.Context, kindBoxID, agentID uint) (bool, error) {
+	const op = "mysqlkindbox.KindBoxExistForAgent"
+
+	query := `SELECT * FROM kind_boxes WHERE id = ? AND receiver_agent_id = ? AND status = ? AND deleted_at IS NULL`
+	//nolint
+	stmt, err := d.conn.PrepareStatement(ctx, mysql.StatementKeyKindBoxGetAwaitingReturnByAgent, query)
+	if err != nil {
+		return false, richerror.New(op).WithErr(err).
+			WithMessage(errmsg.ErrorMsgCantPrepareStatement).WithKind(richerror.KindUnexpected)
+	}
+
+	row := stmt.QueryRowContext(ctx, kindBoxID, agentID, entity.KindBoxAssignedReceiverAgentStatus.String())
+	_, err = scanKindBox(row)
+	if err != nil {
+		if errors.Is(err, sql.ErrNoRows) {
+			return false, nil
+		}
+
+		return false, richerror.New(op).WithErr(err).
+			WithMessage(errmsg.ErrorMsgCantScanQueryResult).WithKind(richerror.KindUnexpected)
+	}
+
+	return true, nil
+}
+
+func (d *DB) KindBoxExist(ctx context.Context, kindBoxID uint) (bool, error) {
 	const op = "mysqlkindbox.KindBoxExist"
 
-	var count int
+	query := `SELECT * FROM kind_boxes WHERE id = ? AND deleted_at IS NULL`
-	if err := d.conn.Conn().QueryRowContext(ctx, `SELECT COUNT(*) FROM kind_boxes WHERE id = ?`, kindBoxID).Scan(&count); err != nil {
+	//nolint
+	stmt, err := d.conn.PrepareStatement(ctx, mysql.StatementKeyKindBoxGetByID, query)
+	if err != nil {
 		return false, richerror.New(op).WithErr(err).
-			WithMessage(errmsg.ErrorMsgSomethingWentWrong).WithKind(richerror.KindUnexpected)
+			WithMessage(errmsg.ErrorMsgCantPrepareStatement).WithKind(richerror.KindUnexpected)
 	}
 
-	return count > 0, nil
+	row := stmt.QueryRowContext(ctx, kindBoxID)
+	_, err = scanKindBox(row)
+	if err != nil {
+		if errors.Is(err, sql.ErrNoRows) {
+			return false, nil
+		}
+
+		return false, richerror.New(op).WithErr(err).
+			WithMessage(errmsg.ErrorMsgCantScanQueryResult).WithKind(richerror.KindUnexpected)
+	}
+
+	return true, nil
 }

repository/mysql/kind_box/get.go

@@ -8,13 +8,21 @@ import (
 	"git.gocasts.ir/ebhomengo/niki/entity"
 	errmsg "git.gocasts.ir/ebhomengo/niki/pkg/err_msg"
 	richerror "git.gocasts.ir/ebhomengo/niki/pkg/rich_error"
+	"git.gocasts.ir/ebhomengo/niki/repository/mysql"
 )
 
-func (d DB) GetKindBox(ctx context.Context, kindBoxID uint) (entity.KindBox, error) {
+func (d *DB) GetKindBox(ctx context.Context, kindBoxID uint) (entity.KindBox, error) {
 	const op = "mysqlkindbox.GetKindBox"
 
 	query := `SELECT * FROM kind_boxes WHERE id = ? AND deleted_at IS NULL`
-	row := d.conn.Conn().QueryRowContext(ctx, query, kindBoxID)
+	//nolint
+	stmt, err := d.conn.PrepareStatement(ctx, mysql.StatementKeyKindBoxGetByID, query)
+	if err != nil {
+		return entity.KindBox{}, richerror.New(op).WithErr(err).
+			WithMessage(errmsg.ErrorMsgCantPrepareStatement).WithKind(richerror.KindUnexpected)
+	}
+
+	row := stmt.QueryRowContext(ctx, kindBoxID)
 	k, err := scanKindBox(row)
 	if err != nil {
 		if errors.Is(err, sql.ErrNoRows) {

repository/mysql/kind_box/get_all.go

@@ -10,7 +10,7 @@ import (
 	richerror "git.gocasts.ir/ebhomengo/niki/pkg/rich_error"
 )
 
-func (d DB) GetAllKindBox(ctx context.Context, filter params.FilterRequest, pagination params.PaginationRequest, sort params.SortRequest) ([]entity.KindBox, uint, error) {
+func (d *DB) GetAllKindBox(ctx context.Context, filter params.FilterRequest, pagination params.PaginationRequest, sort params.SortRequest) ([]entity.KindBox, uint, error) {
 	const op = "mysqlkindbox.GetAllKindBox"
 
 	baseQuery := `SELECT * FROM kind_boxes WHERE deleted_at IS NULL`

repository/mysql/kind_box/get_awaiting_return.go

@@ -8,14 +8,15 @@ import (
 	"git.gocasts.ir/ebhomengo/niki/entity"
 	errmsg "git.gocasts.ir/ebhomengo/niki/pkg/err_msg"
 	richerror "git.gocasts.ir/ebhomengo/niki/pkg/rich_error"
+	"git.gocasts.ir/ebhomengo/niki/repository/mysql"
 )
 
-func (d DB) GetAwaitingReturnByAgent(ctx context.Context, kindBoxID, agentID uint) (entity.KindBox, error) {
+func (d *DB) GetAwaitingReturnByAgent(ctx context.Context, kindBoxID, agentID uint) (entity.KindBox, error) {
 	const op = "mysqlkindbox.GetAwaitingReturnByAgent"
 
 	query := `SELECT * FROM kind_boxes WHERE id = ? AND receiver_agent_id = ? AND status = ? AND deleted_at IS NULL`
 	//nolint
-	stmt, err := d.conn.PrepareStatement(op, query)
+	stmt, err := d.conn.PrepareStatement(ctx, mysql.StatementKeyKindBoxGetAwaitingReturnByAgent, query)
 	if err != nil {
 		return entity.KindBox{}, richerror.New(op).WithErr(err).
 			WithMessage(errmsg.ErrorMsgCantPrepareStatement).WithKind(richerror.KindUnexpected)

repository/mysql/kind_box/register_emptying_request.go

@@ -6,16 +6,23 @@ import (
 	"git.gocasts.ir/ebhomengo/niki/entity"
 	errmsg "git.gocasts.ir/ebhomengo/niki/pkg/err_msg"
 	richerror "git.gocasts.ir/ebhomengo/niki/pkg/rich_error"
+	"git.gocasts.ir/ebhomengo/niki/repository/mysql"
 )
 
-func (d DB) RegisterEmptyingRequestForKindBox(ctx context.Context, kindBox entity.KindBox) error {
+func (d *DB) RegisterEmptyingRequestForKindBox(ctx context.Context, kindBox entity.KindBox) error {
 	const op = "mysqlkindbox.RegisterEmptyingRequest"
 
 	query := `UPDATE kind_boxes 
 			  SET return_address_id = ?, return_refer_time_id = ?, return_refer_date = ?, status = ?
 			  WHERE id = ? AND benefactor_id = ? AND status = ? AND deleted_at IS NULL`
+	//nolint
+	stmt, err := d.conn.PrepareStatement(ctx, mysql.StatementKeyKindBoxRegisterEmptyingRequest, query)
+	if err != nil {
+		return richerror.New(op).WithErr(err).
+			WithMessage(errmsg.ErrorMsgCantPrepareStatement).WithKind(richerror.KindUnexpected)
+	}
 
-	_, err := d.conn.Conn().ExecContext(ctx, query,
+	_, err = stmt.ExecContext(ctx,
 		kindBox.ReturnAddressID, kindBox.ReturnReferTimeID, kindBox.ReturnReferDate, kindBox.Status.String(),
 		kindBox.ID, kindBox.BenefactorID, entity.KindBoxDeliveredStatus.String())
 	if err != nil {

repository/mysql/kind_box/return.go

@@ -7,14 +7,15 @@ import (
 	"git.gocasts.ir/ebhomengo/niki/entity"
 	errmsg "git.gocasts.ir/ebhomengo/niki/pkg/err_msg"
 	richerror "git.gocasts.ir/ebhomengo/niki/pkg/rich_error"
+	"git.gocasts.ir/ebhomengo/niki/repository/mysql"
 )
 
-func (d DB) ReturnKindBox(ctx context.Context, kindBoxID uint, serialNumber string) error {
+func (d *DB) ReturnKindBox(ctx context.Context, kindBoxID uint, serialNumber string) error {
 	const op = "mysqlkindbox.ReturnKindBox"
 
 	query := `update kind_boxes set serial_number = ?, status = ?, returned_at = ? where id = ?`
 	//nolint
-	stmt, err := d.conn.PrepareStatement(op, query)
+	stmt, err := d.conn.PrepareStatement(ctx, mysql.StatementKeyKindBoxReturn, query)
 	if err != nil {
 		return richerror.New(op).WithErr(err).
 			WithMessage(errmsg.ErrorMsgCantPrepareStatement).WithKind(richerror.KindUnexpected)

repository/mysql/kind_box_req/accept.go

@@ -6,12 +6,21 @@ import (
 	"git.gocasts.ir/ebhomengo/niki/entity"
 	errmsg "git.gocasts.ir/ebhomengo/niki/pkg/err_msg"
 	richerror "git.gocasts.ir/ebhomengo/niki/pkg/rich_error"
+	"git.gocasts.ir/ebhomengo/niki/repository/mysql"
 )
 
-func (d DB) AcceptKindBoxReq(ctx context.Context, kindBoxReqID, countAccepted uint) error {
+func (d *DB) AcceptKindBoxReq(ctx context.Context, kindBoxReqID, countAccepted uint) error {
-	op := richerror.Op("mysqlkindboxreq.AcceptKindBoxReq")
+	const op = "mysqlkindboxreq.AcceptKindBoxReq"
-	_, err := d.conn.Conn().ExecContext(ctx, `update kind_box_reqs set count_accepted = ? , status = ? where id = ?`,
+
-		countAccepted, entity.KindBoxReqAcceptedStatus.String(), kindBoxReqID)
+	query := `update kind_box_reqs set count_accepted = ? , status = ? where id = ?`
+	//nolint
+	stmt, err := d.conn.PrepareStatement(ctx, mysql.StatementKeyKindBoxReqAccept, query)
+	if err != nil {
+		return richerror.New(op).WithErr(err).
+			WithMessage(errmsg.ErrorMsgCantPrepareStatement).WithKind(richerror.KindUnexpected)
+	}
+
+	_, err = stmt.ExecContext(ctx, countAccepted, entity.KindBoxReqAcceptedStatus.String(), kindBoxReqID)
 	if err != nil {
 		return richerror.New(op).WithErr(err).
 			WithMessage(errmsg.ErrorMsgSomethingWentWrong).WithKind(richerror.KindUnexpected)

repository/mysql/kind_box_req/add.go

@@ -6,13 +6,24 @@ import (
 	"git.gocasts.ir/ebhomengo/niki/entity"
 	errmsg "git.gocasts.ir/ebhomengo/niki/pkg/err_msg"
 	richerror "git.gocasts.ir/ebhomengo/niki/pkg/rich_error"
+	"git.gocasts.ir/ebhomengo/niki/repository/mysql"
 )
 
-func (d DB) AddKindBoxReq(ctx context.Context, kindBoxReq entity.KindBoxReq) (entity.KindBoxReq, error) {
+func (d *DB) AddKindBoxReq(ctx context.Context, kindBoxReq entity.KindBoxReq) (entity.KindBoxReq, error) {
 	const op = "mysqlkindboxreq.AddKindBoxReq"
 
-	res, err := d.conn.Conn().ExecContext(ctx, `insert into kind_box_reqs(benefactor_id,kind_box_type,deliver_address_id,count_requested,deliver_refer_date,deliver_refer_time_id,status) values (?,?,?,?,?,?,?)`,
+	query := `insert into kind_box_reqs(benefactor_id,kind_box_type,deliver_address_id,count_requested,deliver_refer_date,deliver_refer_time_id,status) values (?,?,?,?,?,?,?)`
-		kindBoxReq.BenefactorID, kindBoxReq.KindBoxType.String(), kindBoxReq.DeliverAddressID, kindBoxReq.CountRequested, kindBoxReq.DeliverReferDate, kindBoxReq.DeliverReferTimeID, kindBoxReq.Status.String())
+	//nolint
+	stmt, err := d.conn.PrepareStatement(ctx, mysql.StatementKeyKindBoxReqAdd, query)
+	if err != nil {
+		return entity.KindBoxReq{}, richerror.New(op).WithErr(err).
+			WithMessage(errmsg.ErrorMsgCantPrepareStatement).WithKind(richerror.KindUnexpected)
+	}
+
+	res, err := stmt.ExecContext(ctx,
+		kindBoxReq.BenefactorID, kindBoxReq.KindBoxType.String(),
+		kindBoxReq.DeliverAddressID, kindBoxReq.CountRequested, kindBoxReq.DeliverReferDate,
+		kindBoxReq.DeliverReferTimeID, kindBoxReq.Status.String())
 	if err != nil {
 		return entity.KindBoxReq{}, richerror.New(op).WithErr(err).
 			WithMessage(errmsg.ErrorMsgNotFound).WithKind(richerror.KindUnexpected)

repository/mysql/kind_box_req/assign_sender_agent.go

@@ -6,12 +6,21 @@ import (
 	entity "git.gocasts.ir/ebhomengo/niki/entity"
 	errmsg "git.gocasts.ir/ebhomengo/niki/pkg/err_msg"
 	richerror "git.gocasts.ir/ebhomengo/niki/pkg/rich_error"
+	"git.gocasts.ir/ebhomengo/niki/repository/mysql"
 )
 
-func (d DB) AssignSenderAgentToKindBoxReq(ctx context.Context, kindBoxReqID, senderAgentID uint) error {
+func (d *DB) AssignSenderAgentToKindBoxReq(ctx context.Context, kindBoxReqID, senderAgentID uint) error {
 	const op = "mysqlkindboxreq.AssignSenderAgentToKindBoxReq"
 
-	_, err := d.conn.Conn().ExecContext(ctx, `update kind_box_reqs set sender_agent_id = ?, status = ? where id = ?`,
+	query := `update kind_box_reqs set sender_agent_id = ?, status = ? where id = ?`
+	//nolint
+	stmt, err := d.conn.PrepareStatement(ctx, mysql.StatementKeyKindBoxReqAssignSenderAgent, query)
+	if err != nil {
+		return richerror.New(op).WithErr(err).
+			WithMessage(errmsg.ErrorMsgCantPrepareStatement).WithKind(richerror.KindUnexpected)
+	}
+
+	_, err = stmt.ExecContext(ctx,
 		senderAgentID, entity.KindBoxReqAssignedSenderAgentStatus.String(), kindBoxReqID)
 	if err != nil {
 		return richerror.New(op).WithErr(err).

repository/mysql/kind_box_req/delete.go

@@ -6,13 +6,23 @@ import (
 
 	errmsg "git.gocasts.ir/ebhomengo/niki/pkg/err_msg"
 	richerror "git.gocasts.ir/ebhomengo/niki/pkg/rich_error"
+	"git.gocasts.ir/ebhomengo/niki/repository/mysql"
 )
 
-func (d DB) DeleteKindBoxReqByID(ctx context.Context, kindBoxReqID uint) error {
+func (d *DB) DeleteKindBoxReqByID(ctx context.Context, kindBoxReqID uint) error {
-	const op = richerror.Op("mysqlkindboxreq.DeleteKindBoxReqByID")
+	const op = "mysqlkindboxreq.DeleteKindBoxReqByID"
-	_, dErr := d.conn.Conn().ExecContext(ctx, "update kind_box_reqs set deleted_at = ? where id = ? and deleted_at is null", time.Now(), kindBoxReqID)
+
-	if dErr != nil {
+	query := `update kind_box_reqs set deleted_at = ? where id = ? and deleted_at is null`
-		return richerror.New(op).WithErr(dErr).
+	//nolint
+	stmt, err := d.conn.PrepareStatement(ctx, mysql.StatementKeyKindBoxReqDeleteByID, query)
+	if err != nil {
+		return richerror.New(op).WithErr(err).
+			WithMessage(errmsg.ErrorMsgCantPrepareStatement).WithKind(richerror.KindUnexpected)
+	}
+
+	_, err = stmt.ExecContext(ctx, time.Now(), kindBoxReqID)
+	if err != nil {
+		return richerror.New(op).WithErr(err).
 			WithMessage(errmsg.ErrorMsgSomethingWentWrong).WithKind(richerror.KindUnexpected)
 	}
 

repository/mysql/kind_box_req/deliver.go

@@ -10,7 +10,7 @@ import (
 	richerror "git.gocasts.ir/ebhomengo/niki/pkg/rich_error"
 )
 
-func (d DB) DeliverKindBoxReq(ctx context.Context, kindBoxReqID uint) error {
+func (d *DB) DeliverKindBoxReq(ctx context.Context, kindBoxReqID uint) error {
 	const op = "mysqlkindboxreq.DeliverKindBoxReq"
 	q, cErr := querier.GetQuerierFromContextOrNew(ctx).Continue(ctx, d.conn.Conn())
 	if cErr != nil {

repository/mysql/kind_box_req/get.go

@@ -9,9 +9,10 @@ import (
 	errmsg "git.gocasts.ir/ebhomengo/niki/pkg/err_msg"
 	querier "git.gocasts.ir/ebhomengo/niki/pkg/query_transaction/sql"
 	richerror "git.gocasts.ir/ebhomengo/niki/pkg/rich_error"
+	"git.gocasts.ir/ebhomengo/niki/repository/mysql"
 )
 
-func (d DB) GetByID(ctx context.Context, id uint) (entity.KindBoxReq, error) {
+func (d *DB) GetByID(ctx context.Context, id uint) (entity.KindBoxReq, error) {
 	op := richerror.Op("mysqlkindboxreq.GetByID")
 	q, cErr := querier.GetQuerierFromContextOrNew(ctx).Continue(ctx, d.conn.Conn())
 	if cErr != nil {
@@ -28,10 +29,18 @@ func (d DB) GetByID(ctx context.Context, id uint) (entity.KindBoxReq, error) {
 	return k, nil
 }
 
-func (d DB) GetKindBoxReqByID(ctx context.Context, kindBoxReqID uint) (entity.KindBoxReq, error) {
+func (d *DB) GetKindBoxReqByID(ctx context.Context, kindBoxReqID uint) (entity.KindBoxReq, error) {
-	op := richerror.Op("mysqlkindboxreq.GetKindBoxReqByID")
+	const op = "mysqlkindboxreq.GetKindBoxReqByID"
-	row := d.conn.Conn().QueryRowContext(ctx,
+
-		"select * from kind_box_reqs where id = ? and deleted_at is null", kindBoxReqID)
+	query := `select * from kind_box_reqs where id = ? and deleted_at is null`
+	//nolint
+	stmt, err := d.conn.PrepareStatement(ctx, mysql.StatementKeyKindBoxReqGetByID, query)
+	if err != nil {
+		return entity.KindBoxReq{}, richerror.New(op).WithErr(err).
+			WithMessage(errmsg.ErrorMsgCantPrepareStatement).WithKind(richerror.KindUnexpected)
+	}
+
+	row := stmt.QueryRowContext(ctx, kindBoxReqID)
 	k, err := scanKindBoxReq(row)
 	if err != nil {
 		if errors.Is(err, sql.ErrNoRows) {

repository/mysql/kind_box_req/get_all.go

@@ -10,7 +10,7 @@ import (
 	richerror "git.gocasts.ir/ebhomengo/niki/pkg/rich_error"
 )
 
-func (d DB) GetAllKindBoxReq(ctx context.Context, filter param.FilterRequest, pagination param.PaginationRequest, sort param.SortRequest) ([]entity.KindBoxReq, uint, error) {
+func (d *DB) GetAllKindBoxReq(ctx context.Context, filter param.FilterRequest, pagination param.PaginationRequest, sort param.SortRequest) ([]entity.KindBoxReq, uint, error) {
 	const op = "mysqlkindboxreq.GetAllKindBoxReq"
 
 	baseQuery := `SELECT * FROM kind_box_reqs WHERE deleted_at IS NULL`

repository/mysql/kind_box_req/get_delivery_awaiting.go

@@ -8,13 +8,21 @@ import (
 	"git.gocasts.ir/ebhomengo/niki/entity"
 	errmsg "git.gocasts.ir/ebhomengo/niki/pkg/err_msg"
 	richerror "git.gocasts.ir/ebhomengo/niki/pkg/rich_error"
+	"git.gocasts.ir/ebhomengo/niki/repository/mysql"
 )
 
-func (d DB) GetAwaitingDeliveryByAgent(ctx context.Context, kindBoxReqID, agentID uint) (entity.KindBoxReq, error) {
+func (d *DB) GetAwaitingDeliveryByAgent(ctx context.Context, kindBoxReqID, agentID uint) (entity.KindBoxReq, error) {
 	const op = "mysqlkindboxreq.GetAwaitingDeliveryByAgent"
 
 	query := `SELECT * FROM kind_box_reqs WHERE id = ? AND sender_agent_id = ? AND status = ? AND deleted_at IS NULL `
-	row := d.conn.Conn().QueryRowContext(ctx, query, kindBoxReqID, agentID, entity.KindBoxReqAssignedSenderAgentStatus.String())
+	//nolint
+	stmt, err := d.conn.PrepareStatement(ctx, mysql.StatementKeyKindBoxReqGetAwaitingDeliveryByAgent, query)
+	if err != nil {
+		return entity.KindBoxReq{}, richerror.New(op).WithErr(err).
+			WithMessage(errmsg.ErrorMsgCantPrepareStatement).WithKind(richerror.KindUnexpected)
+	}
+
+	row := stmt.QueryRowContext(ctx, kindBoxReqID, agentID, entity.KindBoxReqAssignedSenderAgentStatus.String())
 	k, err := scanKindBoxReq(row)
 	if err != nil {
 		if errors.Is(err, sql.ErrNoRows) {

repository/mysql/kind_box_req/kind_box_req.go

@@ -8,14 +8,15 @@ import (
 	"git.gocasts.ir/ebhomengo/niki/entity"
 	errmsg "git.gocasts.ir/ebhomengo/niki/pkg/err_msg"
 	richerror "git.gocasts.ir/ebhomengo/niki/pkg/rich_error"
+	"git.gocasts.ir/ebhomengo/niki/repository/mysql"
 )
 
-func (d DB) KindBoxRequestExist(id uint) (bool, error) {
+func (d *DB) KindBoxRequestExist(ctx context.Context, id uint) (bool, error) {
 	const op = "mysqlkindboxreq.KindBoxRequestExist"
 
-	query := `select * from kind_box_reqs where id = ?`
+	query := `select * from kind_box_reqs where id = ? and deleted_at is null`
 	//nolint
-	stmt, err := d.conn.PrepareStatement(op, query)
+	stmt, err := d.conn.PrepareStatement(ctx, mysql.StatementKeyKindBoxReqGetByID, query)
 	if err != nil {
 		return false, richerror.New(op).WithErr(err).
 			WithMessage(errmsg.ErrorMsgCantPrepareStatement).WithKind(richerror.KindUnexpected)
@@ -35,9 +36,18 @@ func (d DB) KindBoxRequestExist(id uint) (bool, error) {
 	return true, nil
 }
 
-func (d DB) RollbackKindBoxRequestStatus(ctx context.Context, id uint) error {
+func (d *DB) RollbackKindBoxRequestStatus(ctx context.Context, id uint) error {
-	op := richerror.Op("mysqlkindboxreq.RollbackKindBoxRequestStatus")
+	const op = "mysqlkindboxreq.RollbackKindBoxRequestStatus"
-	_, err := d.conn.Conn().ExecContext(ctx, `update kind_box_reqs set status = ? where id = ?`, entity.KindBoxReqPendingStatus.String(), id)
+
+	query := `update kind_box_reqs set status = ? where id = ?`
+	//nolint
+	stmt, err := d.conn.PrepareStatement(ctx, mysql.StatementKeyKindBoxReqRollbackToPendingStatus, query)
+	if err != nil {
+		return richerror.New(op).WithErr(err).
+			WithMessage(errmsg.ErrorMsgCantPrepareStatement).WithKind(richerror.KindUnexpected)
+	}
+
+	_, err = stmt.ExecContext(ctx, entity.KindBoxReqPendingStatus.String(), id)
 	if err != nil {
 		return richerror.New(op).WithErr(err).
 			WithMessage(errmsg.ErrorMsgSomethingWentWrong).WithKind(richerror.KindUnexpected)

repository/mysql/kind_box_req/reject.go

@@ -6,12 +6,21 @@ import (
 	"git.gocasts.ir/ebhomengo/niki/entity"
 	errmsg "git.gocasts.ir/ebhomengo/niki/pkg/err_msg"
 	richerror "git.gocasts.ir/ebhomengo/niki/pkg/rich_error"
+	"git.gocasts.ir/ebhomengo/niki/repository/mysql"
 )
 
-func (d DB) RejectKindBoxReq(ctx context.Context, kindBoxReqID uint, description string) error {
+func (d *DB) RejectKindBoxReq(ctx context.Context, kindBoxReqID uint, description string) error {
-	op := richerror.Op("mysqlkindboxreq.RejectKindBoxReq")
+	const op = "mysqlkindboxreq.RejectKindBoxReq"
-	_, err := d.conn.Conn().ExecContext(ctx, `update kind_box_reqs set description = ? , status = ? where id = ?`,
+
-		description, entity.KindBoxReqRejectedStatus.String(), kindBoxReqID)
+	query := `update kind_box_reqs set description = ? , status = ? where id = ?`
+	//nolint
+	stmt, err := d.conn.PrepareStatement(ctx, mysql.StatementKeyKindBoxReqReject, query)
+	if err != nil {
+		return richerror.New(op).WithErr(err).
+			WithMessage(errmsg.ErrorMsgCantPrepareStatement).WithKind(richerror.KindUnexpected)
+	}
+
+	_, err = stmt.ExecContext(ctx, description, entity.KindBoxReqRejectedStatus.String(), kindBoxReqID)
 	if err != nil {
 		return richerror.New(op).WithErr(err).
 			WithMessage(errmsg.ErrorMsgSomethingWentWrong).WithKind(richerror.KindUnexpected)

repository/mysql/kind_box_req/update.go

@@ -8,9 +8,10 @@ import (
 	"git.gocasts.ir/ebhomengo/niki/entity"
 	errmsg "git.gocasts.ir/ebhomengo/niki/pkg/err_msg"
 	richerror "git.gocasts.ir/ebhomengo/niki/pkg/rich_error"
+	"git.gocasts.ir/ebhomengo/niki/repository/mysql"
 )
 
-func (d DB) UpdateKindBoxReq(ctx context.Context, kindBoxReq entity.KindBoxReq) error {
+func (d *DB) UpdateKindBoxReq(ctx context.Context, kindBoxReq entity.KindBoxReq) error {
 	const op = "mysqlkindboxreq.UpdateKindBoxReq"
 
 	var (
@@ -33,7 +34,14 @@ func (d DB) UpdateKindBoxReq(ctx context.Context, kindBoxReq entity.KindBoxReq)
 			      description = ?, status = ?, deliver_refer_time_id = ?, deliver_refer_date = ?,
 			      deliver_address_id = ?, sender_agent_id = ?, delivered_at = ? 
 			  WHERE id = ? AND deleted_at IS NULL`
-	_, uErr := d.conn.Conn().ExecContext(ctx, query, kindBoxReq.BenefactorID, kindBoxReq.KindBoxType,
+	//nolint
+	stmt, err := d.conn.PrepareStatement(ctx, mysql.StatementKeyKindBoxReqUpdate, query)
+	if err != nil {
+		return richerror.New(op).WithErr(err).
+			WithMessage(errmsg.ErrorMsgCantPrepareStatement).WithKind(richerror.KindUnexpected)
+	}
+
+	_, uErr := stmt.ExecContext(ctx, kindBoxReq.BenefactorID, kindBoxReq.KindBoxType,
 		kindBoxReq.CountRequested, kindBoxReq.CountAccepted, kindBoxReq.Description, kindBoxReq.Status,
 		kindBoxReq.DeliverReferTimeID, kindBoxReq.DeliverReferDate, kindBoxReq.DeliverAddressID,
 		senderAgentID, deliveredAt, kindBoxReq.ID)

repository/mysql/prepared_statement.go

@@ -0,0 +1,46 @@
+package mysql
+
+type statementKey uint
+
+const (
+	StatementKeyAddressCreateForBenefactor statementKey = iota + 1
+	StatementKeyAddressDeleteForBenefactor
+	StatementKeyAddressIsExistByID
+	StatementKeyAddressGetByID
+	StatementKeyAddressGetAllByBenefactorID
+	StatementKeyAddressUpdate
+	StatementKeyCityGetProvinceIDByID
+	StatementKeyCityIsExistByID
+	StatementKeyCityGetAll
+	StatementKeyProvinceIsExistByID
+	StatementKeyProvinceGetAll
+	StatementKeyAdminAccessControlGetPermissions
+	StatementKeyAdminAdd
+	StatementKeyAdminExistByEmail
+	StatementKeyAdminExistByPhoneNumber
+	StatementKeyAdminAgentExistByID
+	StatementKeyAdminGetByID
+	StatementKeyAdminGetByPhoneNumber
+	StatementKeyAdminAgentGetAll
+	StatementKeyBenefactorIsExistByID
+	StatementKeyBenefactorIsExistByPhoneNumber
+	StatementKeyBenefactorCreate
+	StatementKeyKindBoxAdd
+	StatementKeyKindBoxAssignReceiverAgent
+	StatementKeyKindBoxEnumerate
+	StatementKeyKindBoxExistForBenefactor
+	StatementKeyKindBoxGetByID
+	StatementKeyKindBoxGetAwaitingReturnByAgent
+	StatementKeyKindBoxRegisterEmptyingRequest
+	StatementKeyKindBoxReturn
+	StatementKeyKindBoxReqAccept
+	StatementKeyKindBoxReqAdd
+	StatementKeyKindBoxReqAssignSenderAgent
+	StatementKeyKindBoxReqDeleteByID
+	StatementKeyKindBoxReqGetByID
+	StatementKeyKindBoxReqGetAwaitingDeliveryByAgent
+	StatementKeyKindBoxReqRollbackToPendingStatus
+	StatementKeyKindBoxReqReject
+	StatementKeyKindBoxReqUpdate
+	StatementKeyReferTimeGetByID
+)

repository/mysql/refer_time/get.go

@@ -6,12 +6,21 @@ import (
 	"git.gocasts.ir/ebhomengo/niki/entity"
 	errmsg "git.gocasts.ir/ebhomengo/niki/pkg/err_msg"
 	richerror "git.gocasts.ir/ebhomengo/niki/pkg/rich_error"
+	"git.gocasts.ir/ebhomengo/niki/repository/mysql"
 )
 
-func (d DB) Get(ctx context.Context, referTimeID uint) (entity.ReferTime, error) {
+func (d *DB) Get(ctx context.Context, referTimeID uint) (entity.ReferTime, error) {
 	const op = richerror.Op("mysqlrefertime.Get")
 
-	row := d.conn.Conn().QueryRowContext(ctx, `select * from refer_times where id = ?`, referTimeID)
+	query := `select * from refer_times where id = ?`
+	//nolint
+	stmt, err := d.conn.PrepareStatement(ctx, mysql.StatementKeyReferTimeGetByID, query)
+	if err != nil {
+		return entity.ReferTime{}, richerror.New(op).WithErr(err).
+			WithMessage(errmsg.ErrorMsgCantPrepareStatement).WithKind(richerror.KindUnexpected)
+	}
+
+	row := stmt.QueryRowContext(ctx, referTimeID)
 	r, err := scanReferTime(row)
 	if err != nil {
 		return entity.ReferTime{}, richerror.New(op).WithErr(err).

validator/admin/kind_box_req/validator.go

@@ -22,7 +22,7 @@ const (
 )
 
 type Repository interface {
-	KindBoxRequestExist(id uint) (bool, error)
+	KindBoxRequestExist(ctx context.Context, id uint) (bool, error)
 	GetByID(ctx context.Context, id uint) (entity.KindBoxReq, error)
 }
 
@@ -56,7 +56,7 @@ func (v Validator) doesKindBoxRequestExist(value interface{}) error {
 	if !ok {
 		return fmt.Errorf(errmsg.ErrorMsgSomethingWentWrong)
 	}
-	if isExist, err := v.repo.KindBoxRequestExist(kindboxreqID); !isExist || err != nil {
+	if isExist, err := v.repo.KindBoxRequestExist(context.Background(), kindboxreqID); !isExist || err != nil {
 		if err != nil {
 			return err
 		}

validator/benefactor/kind_box_req/validator.go

@@ -34,7 +34,7 @@ type ReferTimeSvc interface {
 }
 
 type Repository interface {
-	KindBoxRequestExist(id uint) (bool, error)
+	KindBoxRequestExist(ctx context.Context, id uint) (bool, error)
 	GetKindBoxReqByID(ctx context.Context, kindBoxReqID uint) (entity.KindBoxReq, error)
 }
 
@@ -215,7 +215,7 @@ func (v Validator) doesKindBoxRequestExist(value interface{}) error {
 	if !ok {
 		return fmt.Errorf(errmsg.ErrorMsgSomethingWentWrong)
 	}
-	if isExist, err := v.repo.KindBoxRequestExist(kindboxreqID); !isExist || err != nil {
+	if isExist, err := v.repo.KindBoxRequestExist(context.Background(), kindboxreqID); !isExist || err != nil {
 		if err != nil {
 			return err
 		}