gradido/community_server/src/Model/Table/StateBalancesTable.php

269 lines
11 KiB
PHP

<?php
namespace App\Model\Table;
use Cake\ORM\Query;
use Cake\ORM\RulesChecker;
use Cake\ORM\Table;
use Cake\Validation\Validator;
use Cake\ORM\TableRegistry;
use Cake\I18n\Date;
use Cake\I18n\Time;
/**
* StateBalances Model
*
* @property \App\Model\Table\StateUsersTable&\Cake\ORM\Association\BelongsTo $StateUsers
*
* @method \App\Model\Entity\StateBalance get($primaryKey, $options = [])
* @method \App\Model\Entity\StateBalance newEntity($data = null, array $options = [])
* @method \App\Model\Entity\StateBalance[] newEntities(array $data, array $options = [])
* @method \App\Model\Entity\StateBalance|false save(\Cake\Datasource\EntityInterface $entity, $options = [])
* @method \App\Model\Entity\StateBalance saveOrFail(\Cake\Datasource\EntityInterface $entity, $options = [])
* @method \App\Model\Entity\StateBalance patchEntity(\Cake\Datasource\EntityInterface $entity, array $data, array $options = [])
* @method \App\Model\Entity\StateBalance[] patchEntities($entities, array $data, array $options = [])
* @method \App\Model\Entity\StateBalance findOrCreate($search, callable $callback = null, $options = [])
*
* @mixin \Cake\ORM\Behavior\TimestampBehavior
*/
class StateBalancesTable extends Table
{
/**
* Initialize method
*
* @param array $config The configuration for the Table.
* @return void
*/
public function initialize(array $config)
{
parent::initialize($config);
$this->setTable('state_balances');
$this->setDisplayField('id');
$this->setPrimaryKey('id');
$this->addBehavior('Timestamp');
$this->belongsTo('StateUsers', [
'foreignKey' => 'state_user_id',
'joinType' => 'INNER'
]);
}
/**
* Default validation rules.
*
* @param \Cake\Validation\Validator $validator Validator instance.
* @return \Cake\Validation\Validator
*/
public function validationDefault(Validator $validator)
{
$validator
->integer('id')
->allowEmptyString('id', null, 'create');
$validator
->requirePresence('amount', 'create')
->notEmptyString('amount');
return $validator;
}
/**
* Returns a rules checker object that will be used for validating
* application integrity.
*
* @param \Cake\ORM\RulesChecker $rules The rules object to be modified.
* @return \Cake\ORM\RulesChecker
*/
public function buildRules(RulesChecker $rules)
{
$rules->add($rules->existsIn(['state_user_id'], 'StateUsers'));
return $rules;
}
public function sortTransactions($a, $b)
{
if ($a['date'] == $b['date']) {
return 0;
}
return ($a['date'] > $b['date']) ? -1 : 1;
}
public function updateBalances($stateUserId)
{
$stateUserTransactionsTable = TableRegistry::getTableLocator()->get('StateUserTransactions');
$transactionsTable = TableRegistry::getTableLocator()->get('Transactions');
// info: cakephp use lazy loading, query will be executed later only if needed
$state_balances = $this->find('all')->where(['state_user_id' => $stateUserId]);
$state_user_transactions = $stateUserTransactionsTable
->find()
->where(['state_user_id' => $stateUserId])
->order(['balance_date ASC'])
//->contain(false);
;
if(!$state_user_transactions || !$state_user_transactions->count()) {
return true;
}
// first: decide what todo
$create_state_balance = false;
$recalculate_state_user_transactions_balance = false;
$clear_state_balance = false;
$update_state_balance = false;
if($state_balances->count() == 0) {
$create_state_balance = true;
$recalculate_state_user_transactions_balance = true;
}
if($state_balances->count() > 1) {
$clear_state_balance = true;
$create_state_balance = true;
$recalculate_state_user_transactions_balance = true;
}
if($state_balances->count() == 1) {
if($state_user_transactions->count() == 0){
$clear_state_balance = true;
} else {
$last_state_user_transaction = $state_user_transactions->last();
$last_transaction = $this->newEntity();
$last_transaction->amount = $last_state_user_transaction->balance;
$last_transaction->record_date = $last_state_user_transaction->balance_date;
// if entrys are nearly the same, we don't need doing anything
if(abs($last_transaction->decay - $state_balances->first()->decay) > 100) {
$recalculate_state_user_transactions_balance = true;
$update_state_balance = true;
}
}
}
if(!$recalculate_state_user_transactions_balance) {
$last_state_user_transaction = $state_user_transactions->last();
if($last_state_user_transaction && $last_state_user_transaction->balance <= 0) {
$recalculate_state_user_transactions_balance = true;
if(!$create_state_balance) {
$update_state_balance = true;
}
} else if(!$last_state_user_transaction) {
$creationsTable = TableRegistry::getTableLocator()->get('TransactionCreations');
$creationTransactions = $creationsTable
->find('all')
->where(['state_user_id' => $stateUserId])
->contain(false);
$transferTable = TableRegistry::getTableLocator()->get('TransactionSendCoins');
$transferTransactions = $transferTable
->find('all')
->where(['OR' => ['state_user_id' => $stateUserId, 'receiver_user_id' => $stateUserId]])
->contain(false);
if($creationTransactions->count() > 0 || $transferTransactions->count() > 0) {
return ['success' => false, 'error' => 'state_user_transactions is empty but it exist transactions for user'];
}
}
}
// second: do what is needed
if($clear_state_balance) {
$this->deleteAll(['state_user_id' => $stateUserId]);
}
$transaction_ids = [];
if($recalculate_state_user_transactions_balance) {
$state_user_transactions_array = $state_user_transactions->toArray();
foreach($state_user_transactions_array as $i => $state_user_transaction) {
$transaction_ids[$state_user_transaction->transaction_id] = $i;
}
$transactions = $transactionsTable
->find('all')
->where(['Transactions.id IN' => array_keys($transaction_ids)])
->contain(['TransactionCreations', 'TransactionSendCoins']);
$transactions_indiced = [];
foreach($transactions as $transaction) {
$transactions_indiced[$transaction->id] = $transaction;
}
$balance_cursor = $this->newEntity();
$i = 0;
foreach($state_user_transactions_array as $state_user_transaction) {
$transaction = $transactions_indiced[$state_user_transaction->transaction_id];
if($transaction->transaction_type_id > 2) {
continue;
}
//echo "transaction id: ".$transaction->id . "<br>";
$amount_date = null;
$amount = 0;
if($transaction->transaction_type_id == 1) { // creation
$temp = $transaction->transaction_creation;
/*$balance_temp = $this->newEntity();
$balance_temp->amount = $temp->amount;
$balance_temp->record_date = $temp->target_date;
*/
$amount = intval($temp->amount);//$balance_temp->partDecay($transaction->received);
$amount_date = $temp->target_date;
//$amount_date =
} else if($transaction->transaction_type_id == 2) { // transfer
$temp = $transaction->transaction_send_coin;
$amount = intval($temp->amount);
// reverse if sender
if($stateUserId == $temp->state_user_id) {
$amount *= -1.0;
}
$amount_date = $transaction->received;
}
if($i == 0) {
$balance_cursor->amount = $amount;
} else {
$balance_cursor->amount = $balance_cursor->partDecay($amount_date) + $amount;
}
//echo "new balance: " . $balance_cursor->amount . "<br>";
$balance_cursor->record_date = $amount_date;
$state_user_transaction_index = $transaction_ids[$transaction->id];
$state_user_transactions_array[$state_user_transaction_index]->balance = $balance_cursor->amount;
$state_user_transactions_array[$state_user_transaction_index]->balance_date = $balance_cursor->record_date;
$i++;
}
$results = $stateUserTransactionsTable->saveMany($state_user_transactions_array);
$errors = [];
foreach($results as $i => $result) {
if(!$result) {
$errors[$i] = $state_user_transactions_array[$i]->getErrors();
}
}
if(count($errors)) {
return ['success' => false, 'error' => 'error saving one ore more state user transactions', 'details' => $errors];
}
}
$state_balance = null;
if($update_state_balance) {
$state_balance = $state_balances->first();
}
else if($create_state_balance) {
$state_balance = $this->newEntity();
$state_balance->state_user_id = $stateUserId;
}
if($state_balance) {
$state_balance->amount = $state_user_transactions->last()->balance;
$state_balance->record_date = $state_user_transactions->last()->balance_date;
if(!$this->save($state_balance)) {
return ['success' => false, 'error' => 'error saving state balance', 'details' => $state_balance->getErrors()];
}
}
return true;
}
}