[MM-16513] Migrate Token.Delete to Sync by default (#11365)

* Made changes to TokenStore interface, Delete()

* Modified user.go

* Refactored app/user.go

app/user.go

@@ -1360,11 +1360,7 @@ func (a *App) GetPasswordRecoveryToken(token string) (*model.Token, *model.AppEr
 }
 
 func (a *App) DeleteToken(token *model.Token) *model.AppError {
-	if result := <-a.Srv.Store.Token().Delete(token.Token); result.Err != nil {
+	return a.Srv.Store.Token().Delete(token.Token)
-		return result.Err
-	}
-
-	return nil
 }
 
 func (a *App) UpdateUserRoles(userId string, newRoles string, sendWebSocketEvent bool) (*model.User, *model.AppError) {

store/sqlstore/tokens_store.go

@@ -43,12 +43,11 @@ func (s SqlTokenStore) Save(token *model.Token) *model.AppError {
 	return nil
 }
 
-func (s SqlTokenStore) Delete(token string) store.StoreChannel {
+func (s SqlTokenStore) Delete(token string) *model.AppError {
-	return store.Do(func(result *store.StoreResult) {
+	if _, err := s.GetMaster().Exec("DELETE FROM Tokens WHERE Token = :Token", map[string]interface{}{"Token": token}); err != nil {
-		if _, err := s.GetMaster().Exec("DELETE FROM Tokens WHERE Token = :Token", map[string]interface{}{"Token": token}); err != nil {
+		return model.NewAppError("SqlTokenStore.Delete", "store.sql_recover.delete.app_error", nil, "", http.StatusInternalServerError)
-			result.Err = model.NewAppError("SqlTokenStore.Delete", "store.sql_recover.delete.app_error", nil, "", http.StatusInternalServerError)
+	}
-		}
+	return nil
-	})
 }
 
 func (s SqlTokenStore) GetByToken(tokenString string) (*model.Token, *model.AppError) {

store/store.go

@@ -450,7 +450,7 @@ type LicenseStore interface {
 
 type TokenStore interface {
 	Save(recovery *model.Token) *model.AppError
-	Delete(token string) StoreChannel
+	Delete(token string) *model.AppError
 	GetByToken(token string) (*model.Token, *model.AppError)
 	Cleanup()
 	RemoveAllTokensByType(tokenType string) StoreChannel

store/storetest/mocks/TokenStore.go

@@ -19,15 +19,15 @@ func (_m *TokenStore) Cleanup() {
 }
 
 // Delete provides a mock function with given fields: token
-func (_m *TokenStore) Delete(token string) store.StoreChannel {
+func (_m *TokenStore) Delete(token string) *model.AppError {
 	ret := _m.Called(token)
 
-	var r0 store.StoreChannel
+	var r0 *model.AppError
-	if rf, ok := ret.Get(0).(func(string) store.StoreChannel); ok {
+	if rf, ok := ret.Get(0).(func(string) *model.AppError); ok {
 		r0 = rf(token)
 	} else {
 		if ret.Get(0) != nil {
-			r0 = ret.Get(0).(store.StoreChannel)
+			r0 = ret.Get(0).(*model.AppError)
 		}
 	}