feat: notifications (#109)

* implement notification providers

* email provider

* notification handler

* notify users

* implement code sent on user eventstore

* send email implementation

* send init code

* handle codes

* fix project member handler

* add some logs for debug

* send emails

* text changes

* send sms

* notification process

* send password code

* format phone number

* test format phone

* remove fmts

* remove unused code

* rename files

* add mocks

* merge master

* Update internal/notification/providers/email/message.go

Co-authored-by: Silvan <silvan.reusser@gmail.com>

* Update internal/notification/repository/eventsourcing/handler/notification.go

Co-authored-by: Silvan <silvan.reusser@gmail.com>

* Update internal/notification/repository/eventsourcing/handler/notification.go

Co-authored-by: Silvan <silvan.reusser@gmail.com>

* Update internal/notification/providers/email/provider.go

Co-authored-by: Silvan <silvan.reusser@gmail.com>

* requested changes of mr

* move locker to eventstore pkg

* Update internal/notification/providers/chat/message.go

Co-authored-by: Livio Amstutz <livio.a@gmail.com>

* move locker to eventstore pkg

* linebreak

* Update internal/notification/providers/email/provider.go

Co-authored-by: Silvan <silvan.reusser@gmail.com>

* Update internal/notification/repository/eventsourcing/handler/notification.go

Co-authored-by: Silvan <silvan.reusser@gmail.com>

* Update internal/notification/repository/eventsourcing/handler/notification.go

Co-authored-by: Silvan <silvan.reusser@gmail.com>

Co-authored-by: Silvan <silvan.reusser@gmail.com>
Co-authored-by: Livio Amstutz <livio.a@gmail.com>

internal/eventstore/locker/lock.go

@@ -0,0 +1,40 @@
+package locker
+
+import (
+	"context"
+	"database/sql"
+	"fmt"
+	caos_errs "github.com/caos/zitadel/internal/errors"
+	"github.com/cockroachdb/cockroach-go/crdb"
+	"time"
+)
+
+const (
+	lockedUntilKey = "locked_until"
+	lockerIDKey    = "locker_id"
+	objectTypeKey  = "object_type"
+)
+
+type lock struct {
+	LockerID    string    `gorm:"column:locker_id;primary_key"`
+	LockedUntil time.Time `gorm:"column:locked_until"`
+	ViewName    string    `gorm:"column:object_type;primary_key"`
+}
+
+func Renew(dbClient *sql.DB, lockTable, lockerID, viewModel string, waitTime time.Duration) error {
+	return crdb.ExecuteTx(context.Background(), dbClient, nil, func(tx *sql.Tx) error {
+		query := fmt.Sprintf("INSERT INTO %s (%s, %s, %s) VALUES ($1, $2, now()+$3) ON CONFLICT (%s) DO UPDATE SET %s = now()+$4, %s = $5 WHERE (locks.%s < now() OR locks.%s = $6) AND locks.%s = $7",
+			lockTable, objectTypeKey, lockerIDKey, lockedUntilKey, objectTypeKey, lockedUntilKey, lockerIDKey, lockedUntilKey, lockerIDKey, objectTypeKey)
+
+		rs, err := tx.Exec(query, viewModel, lockerID, waitTime.Seconds(), waitTime.Seconds(), lockerID, lockerID, viewModel)
+		if err != nil {
+			tx.Rollback()
+			return err
+		}
+		if rows, _ := rs.RowsAffected(); rows == 0 {
+			tx.Rollback()
+			return caos_errs.ThrowAlreadyExists(nil, "SPOOL-lso0e", "view already locked")
+		}
+		return nil
+	})
+}

internal/eventstore/locker/lock_test.go

@@ -0,0 +1,125 @@
+package locker
+
+import (
+	"database/sql"
+	"testing"
+	"time"
+
+	"github.com/DATA-DOG/go-sqlmock"
+)
+
+type dbMock struct {
+	db   *sql.DB
+	mock sqlmock.Sqlmock
+}
+
+func mockDB(t *testing.T) *dbMock {
+	mockDB := dbMock{}
+	var err error
+	mockDB.db, mockDB.mock, err = sqlmock.New()
+	if err != nil {
+		t.Fatalf("error occured while creating stub db %v", err)
+	}
+
+	mockDB.mock.MatchExpectationsInOrder(true)
+
+	return &mockDB
+}
+
+func (db *dbMock) expectCommit() *dbMock {
+	db.mock.ExpectCommit()
+
+	return db
+}
+
+func (db *dbMock) expectRollback() *dbMock {
+	db.mock.ExpectRollback()
+
+	return db
+}
+
+func (db *dbMock) expectBegin() *dbMock {
+	db.mock.ExpectBegin()
+
+	return db
+}
+
+func (db *dbMock) expectSavepoint() *dbMock {
+	db.mock.ExpectExec("SAVEPOINT").WillReturnResult(sqlmock.NewResult(1, 1))
+	return db
+}
+
+func (db *dbMock) expectReleaseSavepoint() *dbMock {
+	db.mock.ExpectExec("RELEASE SAVEPOINT").WillReturnResult(sqlmock.NewResult(1, 1))
+
+	return db
+}
+
+func (db *dbMock) expectRenew(lockerID, view string, affectedRows int64) *dbMock {
+	query := db.mock.
+		ExpectExec(`INSERT INTO table\.locks \(object_type, locker_id, locked_until\) VALUES \(\$1, \$2, now\(\)\+\$3\) ON CONFLICT \(object_type\) DO UPDATE SET locked_until = now\(\)\+\$4, locker_id = \$5 WHERE \(locks\.locked_until < now\(\) OR locks\.locker_id = \$6\) AND locks\.object_type = \$7`).
+		WithArgs(view, lockerID, sqlmock.AnyArg(), sqlmock.AnyArg(), lockerID, lockerID, view).
+		WillReturnResult(sqlmock.NewResult(1, 1))
+
+	if affectedRows == 0 {
+		query.WillReturnResult(sqlmock.NewResult(0, 0))
+	} else {
+		query.WillReturnResult(sqlmock.NewResult(1, affectedRows))
+	}
+
+	return db
+}
+
+func Test_locker_Renew(t *testing.T) {
+	type fields struct {
+		db *dbMock
+	}
+	type args struct {
+		tableName string
+		lockerID  string
+		viewModel string
+		waitTime  time.Duration
+	}
+	tests := []struct {
+		name    string
+		fields  fields
+		args    args
+		wantErr bool
+	}{
+		{
+			name: "renew succeeded",
+			fields: fields{
+				db: mockDB(t).
+					expectBegin().
+					expectSavepoint().
+					expectRenew("locker", "view", 1).
+					expectReleaseSavepoint().
+					expectCommit(),
+			},
+			args:    args{tableName: "table.locks", lockerID: "locker", viewModel: "view", waitTime: 1 * time.Second},
+			wantErr: false,
+		},
+		{
+			name: "renew now rows updated",
+			fields: fields{
+				db: mockDB(t).
+					expectBegin().
+					expectSavepoint().
+					expectRenew("locker", "view", 0).
+					expectRollback(),
+			},
+			args:    args{tableName: "table.locks", lockerID: "locker", viewModel: "view", waitTime: 1 * time.Second},
+			wantErr: true,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if err := Renew(tt.fields.db.db, tt.args.tableName, tt.args.lockerID, tt.args.viewModel, tt.args.waitTime); (err != nil) != tt.wantErr {
+				t.Errorf("locker.Renew() error = %v, wantErr %v", err, tt.wantErr)
+			}
+			if err := tt.fields.db.mock.ExpectationsWereMet(); err != nil {
+				t.Errorf("not all database expectations met: %v", err)
+			}
+		})
+	}
+}