func (s SqlReactionStore) Save(reaction *model.Reaction) StoreChannel {
storeChannel := make(StoreChannel)
go func() {
result := StoreResult{}
reaction.PreSave()
if result.Err = reaction.IsValid(); result.Err != nil {
storeChannel <- result
close(storeChannel)
return
}
if transaction, err := s.GetMaster().Begin(); err != nil {
result.Err = model.NewLocAppError("SqlReactionStore.Save", "store.sql_reaction.save.begin.app_error", nil, err.Error())
} else {
err := saveReactionAndUpdatePost(transaction, reaction)
if err != nil {
transaction.Rollback()
// We don't consider duplicated save calls as an error
if !IsUniqueConstraintError(err.Error(), []string{"reactions_pkey", "PRIMARY"}) {
result.Err = model.NewLocAppError("SqlPreferenceStore.Save", "store.sql_reaction.save.save.app_error", nil, err.Error())
}
} else {
if err := transaction.Commit(); err != nil {
// don't need to rollback here since the transaction is already closed
result.Err = model.NewLocAppError("SqlPreferenceStore.Save", "store.sql_preference.save.commit.app_error", nil, err.Error())
}
}
if result.Err == nil {
result.Data = reaction
}
}
storeChannel <- result
close(storeChannel)
}()
return storeChannel
}
