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freenetis-github/application/models/account.php @ 74a7dbca

<?php defined('SYSPATH') or die('No direct script access.');
/*
* This file is part of open source system FreenetIS
* and it is release under GPLv3 licence.
*
* More info about licence can be found:
* http://www.gnu.org/licenses/gpl-3.0.html
*
* More info about project can be found:
* http://www.freenetis.org/
*
*/

/**
* Account is own by each member.
*
* @package Model
*
* @property integer $id
* @property integer $member_id
* @property Member_Model $member
* @property string $name
* @property integer $account_attribute_id
* @property Account_attribute_Model $account_attribute
* @property double $balance
* @property string $comment
* @property integer $comments_thread_id
* @property Comments_thread_Model $comments_thread
* @property ORM_Iterator $transfers
* @property ORM_Iterator $bank_accounts
*/
class Account_Model extends ORM
{
// groups of double-entry accounts
/** Accounting system */
const ACCOUNTING_SYSTEM = 1;
/** Credit subaccounts grop */
const CREDIT = 2;
/** Project subaccounts group */
const PROJECT = 3;
/** Other accounts group */
const OTHER = 4;

protected $has_many = array('transfers','variable_symbols');
protected $belongs_to = array('member', 'account_attribute', 'comments_thread');
protected $has_and_belongs_to_many = array('bank_accounts');

/**
* Contruct of app, shutdown action logs by default
* @param type $id
*/
public function __construct($id = NULL)
{
parent::__construct($id);
// disable models
$this->set_logger(FALSE);
}

/**
* It gets double-entry accounts of given group.
* Groups are all credit, all project and other accounts of association.
*
* @author Jiri Svitak
* @return Mysql_Result
*/
public function get_accounts(
$limit_from = 0, $limit_results = 20, $order_by = 'id',
$order_by_direction = 'asc', $filter_sql = '', $date_sql = '', $group = 4)
{
$where = 'WHERE ';
$datetime = '';
// order by direction check
if (strtolower($order_by_direction) != 'desc')
{
$order_by_direction = 'asc';
}
// group - project, credit and other accounts
if ($group == self::PROJECT)
{
$where .= 'account_attribute_id = '.Account_attribute_Model::PROJECT;
}
else if ($group == self::CREDIT)
{
$where .= 'account_attribute_id = '.Account_attribute_Model::CREDIT;
}
else
{
$where .= 'account_attribute_id <> '.Account_attribute_Model::PROJECT
. ' AND account_attribute_id <> '.Account_attribute_Model::CREDIT;
}
// default datetime of transfers
$datetime_from_t1 = " AND t1.datetime >= '0000-00-00'";
$datetime_to_t1 = " AND t1.datetime <= '9999-12-31'";
$datetime_from_t2 = " AND t2.datetime >= '0000-00-00'";
$datetime_to_t2 = " AND t2.datetime <= '9999-12-31'";
// filter
if (!empty($filter_sql))
{
if (empty($where))
{
$where = "WHERE $filter_sql";
}
else
{
$where .= " AND $filter_sql";
}
}
if (!empty($date_sql))
{
$datetime = " AND $date_sql";
}
// query
return $this->db->query("
SELECT q2.*, (inbound - outbound) AS balance
FROM
(
SELECT q1.*, IFNULL(SUM(amount), 0) AS inbound
FROM
(
SELECT aa.id, aa.id AS aid, aa.name, aa.account_attribute_id,
m.name AS member_name, m.id AS member_id,
IFNULL(SUM(amount), 0) AS outbound,
aa.comments_thread_id AS a_comments_thread_id
FROM accounts aa
LEFT JOIN members m ON m.id = aa.member_id
LEFT JOIN transfers t1 ON aa.id = t1.origin_id $datetime
$where
GROUP BY aa.id
) q1
LEFT JOIN transfers t2 ON q1.id = t2.destination_id $datetime
GROUP BY q1.id
) q2
ORDER BY ".$this->db->escape_column($order_by)." $order_by_direction
LIMIT ".intval($limit_from).", ".intval($limit_results)."
");
}

/**
* It gets count of double-entry accounts of given group.
*
* @author Jiri Svitak
* @return Mysql_Result
*/
public function get_accounts_count($filter_sql = '', $group = 4)
{
$where = 'WHERE ';
// group - project, credit and other accounts
if ($group == self::PROJECT)
{
$where .= 'account_attribute_id = '.Account_attribute_Model::PROJECT;
}
else if ($group == self::CREDIT)
{
$where .= 'account_attribute_id = '.Account_attribute_Model::CREDIT;
}
else
{
$where .= 'account_attribute_id <> '.Account_attribute_Model::PROJECT
. ' AND account_attribute_id <> '.Account_attribute_Model::CREDIT;
}
if(!empty($filter_sql))
{
$where .= " AND $filter_sql";
}
// get count
return $this->db->query("
SELECT COUNT(*) AS total
FROM accounts aa
$where
")->current()->total;
}

/**
* Function gets some double-entry accounts. Used in dropdown to select
* destination account.
*
* @param integer $origin
* @param integer $account_attribute_id
* @return Mysql_Result
*/
public function get_some_doubleentry_account_names($origin = null, $account_attribute_id = null)
{
// conditions
$where = $cond_origin = '';
// make origin condition
if ($origin !== null)
{
$allowed_types = array(Account_attribute_Model::CREDIT,
Account_attribute_Model::OPERATING,
Account_attribute_Model::PROJECT,
Account_attribute_Model::MEMBER_FEES);
$cond_origin = "AND a.id <> " . intval($origin)
. " AND a.account_attribute_id IN ("
. implode(', ', array_map('intval', $allowed_types)) . ")";
}
// make account confition
if ($account_attribute_id)
{
$where = 'WHERE a.account_attribute_id=' . intval($account_attribute_id);
}
// query
return $this->db->query("
SELECT a.id, a.name, a.member_id, m.name AS member_name,
a.account_attribute_id
FROM accounts a
JOIN members m ON a.member_id=m.id $cond_origin
$where
ORDER BY a.name
");
}
/**
* Returns gesult of get_some_doubleentry_account_names for
* dropdown but grouped.
*
* @author Ondřej Fibich
* @param integer $origin
* @param integer $account_attribute_id
* @return array
*/
public function get_some_doubleentry_account_names_grouped(
$origin = null, $account_attribute_id = null)
{
// keys
$keys = array(__('Association'), __('Members'));
// result
$grouped_accounts = array
(
$keys[0] => array(),
$keys[1] => array()
);
// get accounts
$accounts = $this->get_some_doubleentry_account_names(
$origin, $account_attribute_id);
// group them
foreach ($accounts as $account)
{
if ($account->member_id == Member_Model::ASSOCIATION)
{
$index = $keys[0];
}
else
{
$index = $keys[1];
}
if (!array_key_exists($index, $grouped_accounts))
{
$grouped_accounts[$index] = array();
}
$grouped_accounts[$index][$account->id] = $account->name
. ' (' . $account->id . ', '
. $account->account_attribute_id . ', '
. $account->member_id . ')';
}
// done
return $grouped_accounts;
}

/**
* It gets balance of account.
* It subtracts all outbound transfers from all incoming transfers.
*
* @author Jiri Svitak
* @param integer $account_id
* @return float
*/
public function get_account_balance($account_id)
{
$result = $this->db->query("
SELECT (IFNULL(SUM(amount), 0) - IFNULL(a.outbound, 0)) AS credit
FROM (
SELECT SUM(amount) AS outbound
FROM transfers
WHERE origin_id = ?
) a, transfers t
WHERE t.destination_id = ?
", array($account_id, $account_id));
return (float) ($result && $result->count()) ? $result->current()->credit : 0;
}

/**
* This function creates new record in the table "accounts".
*
* @author Tomas Dulik
* @param ineteger $attribute_id
* @param string $name
* @param integer $member_id
* @return Account_Model new object containing the new record model
*/
public static function create($attribute_id, $name, $member_id)
{
$account = new Account_Model();
$account->account_attribute_id = $attribute_id;
$account->name = $name;
$account->member_id = $member_id;
$account->save();
return $account;
}

/**
* Returns all accounts to deduct fee in date
*
* @author Michal Kliment
* @param string $date
* @return Mysql_Result object
*/
public function get_accounts_to_deduct($date)
{
// check
if (!preg_match("/^\d{4}\-\d{2}\-\d{2}$/", $date))
{
return FALSE;
}
// query
return $this->db->query("
SELECT a.id, a.balance, m.entrance_date, m.leaving_date,
IF(mf.fee IS NOT NULL, 1, 0) fee_is_set,
mf.fee,
mf.readonly AS fee_readonly,
mf.name AS fee_name,
IF(t.id IS NULL, 0, t.id) AS transfer_id
FROM accounts a
JOIN members m ON a.member_id = m.id
LEFT JOIN enum_types e ON e.id = m.type
LEFT JOIN
(
SELECT * FROM (SELECT f.fee, f.readonly, f.name, mf.member_id, priority
FROM members_fees mf
LEFT JOIN fees f ON mf.fee_id = f.id
LEFT JOIN enum_types et ON f.type_id = et.id
WHERE et.value = 'Regular member fee'
AND mf.activation_date <= '$date'
AND mf.deactivation_date >= '$date'
ORDER BY member_id, priority) q
GROUP BY q.member_id
) mf ON m.id = mf.member_id
LEFT JOIN transfers t ON t.origin_id = a.id AND t.type = ? AND t.datetime = '$date'
WHERE m.id <> 1 AND m.entrance_date < '$date'
AND (m.leaving_date = '0000-00-00'
OR (m.leaving_date <> '0000-00-00' AND m.leaving_date > '$date'))
AND a.account_attribute_id = ?
", array(Transfer_Model::DEDUCT_MEMBER_FEE, Account_attribute_Model::CREDIT));
}

/**
* Function gets all members to deduct entrance fees.
*
* @author Jiri Svitak
* @return Mysql_Result
*/
public function get_accounts_to_deduct_entrance_fees($deduct_date)
{
return $this->db->query("
SELECT a.id AS id,
IF (debt > debt_payment_rate, debt_payment_rate, debt) AS amount
FROM
(
SELECT a.id,
IFNULL(m.entrance_fee, 0) - IFNULL(SUM(t.amount),0) AS debt,
debt_payment_rate
FROM accounts a
JOIN members m ON a.member_id = m.id
LEFT JOIN transfers t ON t.origin_id = a.id AND t.type = ?
WHERE a.account_attribute_id = ?
AND m.entrance_fee > 0 AND m.type <> ?
AND m.entrance_date < ? AND
(
m.type <> ? OR m.leaving_date > ?
) AND a.id NOT IN
(
SELECT t.origin_id
FROM transfers t
WHERE type = ? AND datetime = ?
)
GROUP BY a.id
) a
WHERE a.debt > 0
", array
(
Transfer_Model::DEDUCT_ENTRANCE_FEE,
Account_attribute_Model::CREDIT,
Member_Model::TYPE_APPLICANT,
$deduct_date,
Member_Model::TYPE_FORMER,
$deduct_date,
Transfer_Model::DEDUCT_ENTRANCE_FEE,
$deduct_date
));
}


/**
* Gets amount of deducted entrance fees of member's credit account.
* Used for deducting entrance fees with instalment.
*
* @author Jiri Svitak
* @param integer $account_id
* @return integer
*/
public function get_amount_of_entrance_fees($account_id)
{
return $this->db->query("
SELECT IFNULL(SUM(t.amount), 0) AS amount
FROM transfers t
WHERE t.origin_id = ? AND t.type = ?
", array($account_id, Transfer_Model::DEDUCT_ENTRANCE_FEE))->current()->amount;
}

/**
* Gets information about one credit account, used for recounting
* entrance fee with or without instalment.
*
* @author Jiri Svitak
* @param integer $account_id
* @return Mysql_Result
*/
function get_account_to_recalculate_entrance_fees($account_id)
{
return $this->db->query("
SELECT a.id, m.entrance_fee, m.debt_payment_rate, m.entrance_date
FROM accounts a
JOIN members m ON a.member_id = m.id AND m.id <> 1
WHERE a.account_attribute_id = ? AND a.id = ?
", array(Account_attribute_Model::CREDIT, $account_id));
}

/**
* Function deletes member fee deducting transfers of given account.
*
* @author Jiri Svitak
* @param integer $account_id
* @return integer Count of deleted transfers
* @throws Exception On error
*/
public function delete_deduct_transfers_of_account($account_id)
{
$transfers_count = 0;
// validates account_id
if (!$account_id || !is_numeric($account_id))
return $transfers_count;
$transfers = ORM::factory('transfer')->where(array
(
'type' => Transfer_Model::DEDUCT_MEMBER_FEE,
'origin_id' => $account_id
))->find_all();
foreach ($transfers as $transfer)
{
$transfers_count++;
$transfer->delete_throwable();
}
// recalculate balance of current credit account
if (!$this->recalculate_account_balance_of_account($account_id))
{
throw new Exception();
}
// recalculate balance of operating account
$operating = ORM::factory('account')->where(array
(
'account_attribute_id' => Account_attribute_Model::OPERATING
))->find();
if (!$this->recalculate_account_balance_of_account($operating->id))
{
throw new Exception();
}
return $transfers_count;
}

/**
* Function deletes entrance fee deducting transfers of given account.
*
* @author Jiri Svitak
* @param integer $account_id
* @return integer Count of deleted transfers
* @throws Exception On error
*/
public function delete_entrance_deduct_transfers_of_account($account_id)
{
$transfers = ORM::factory('transfer')->where(array
(
'type' => Transfer_Model::DEDUCT_ENTRANCE_FEE,
'origin_id' => $account_id
))->find_all();
$transfers_count = 0;
foreach ($transfers as $transfer)
{
$transfers_count++;
$transfer->delete_throwable();
}
// recalculate balance of current credit account
if (!$this->recalculate_account_balance_of_account($account_id))
{
throw new Exception();
}
// recalculate balance of operating account
$operating = ORM::factory('account')->where(array
(
'account_attribute_id' => Account_attribute_Model::INFRASTRUCTURE
))->find();
if (!$this->recalculate_account_balance_of_account($operating->id))
{
throw new Exception();
}
return $transfers_count;
}
/**
* Function deletes device fee deducting transfers of given account.
*
* @author Jiri Svitak
* @param integer $account_id
* @return integer Count of deleted transfers
* @throws Exception On error
*/
public function delete_device_deduct_transfers_of_account($account_id)
{
$transfers_count = 0;
// validates account_id
if (!$account_id || !is_numeric($account_id))
return $transfers_count;
$transfers = ORM::factory('transfer')->where(array
(
'type' => Transfer_Model::DEDUCT_DEVICE_FEE,
'origin_id' => $account_id
))->find_all();
foreach ($transfers as $transfer)
{
$transfers_count++;
$transfer->delete_throwable();
}
// recalculate balance of current credit account
if (!$this->recalculate_account_balance_of_account($account_id))
{
throw new Exception();
}
// recalculate balance of operating account
$operating = ORM::factory('account')->where(array
(
'account_attribute_id' => Account_attribute_Model::OPERATING
))->find();
if (!$this->recalculate_account_balance_of_account($operating->id))
{
throw new Exception();
}
return $transfers_count;
}


/**
* Finds accounts of members who have at least one device to repay.
*
* @author Jiri Svitak
* @return Mysql_Result
*/
public function get_accounts_to_deduct_device_fees($deduct_date)
{
return $this->db->query("
SELECT a.id, IF (debt > payment_rate, payment_rate, debt) AS amount
FROM
(
SELECT a.id, IFNULL(d.price, 0) - IFNULL(SUM(t.amount),0) AS debt,
payment_rate
FROM accounts a
JOIN members m ON a.member_id = m.id
JOIN users u ON u.member_id = m.id
JOIN devices d ON d.user_id = u.id AND d.price IS NOT NULL AND d.price > 0
LEFT JOIN transfers t ON t.origin_id = a.id AND t.type = ?
WHERE a.id NOT IN
(
SELECT t.origin_id
FROM transfers t
WHERE type = ? AND datetime = ?
)
GROUP BY a.id
) a
WHERE a.debt > 0
", array
(
Transfer_Model::DEDUCT_DEVICE_FEE,
Transfer_Model::DEDUCT_DEVICE_FEE,
$deduct_date
));
}

/**
* Gets actually repaied amount of prices of all member's devices.
*
* @author Jiri Svitak
* @param integer $account_id
* @return integer
*/
public function get_amount_of_device_fees($account_id)
{
return $this->db->query("
SELECT IFNULL(SUM(t.amount), 0) AS amount
FROM transfers t
WHERE t.origin_id = ? AND t.type = ?
", array($account_id, Transfer_Model::DEDUCT_DEVICE_FEE))->current()->amount;
}

/**
* Gets list of devices with repayments. Devices are ordered ascending by their buy date.
*
* @author Jiri Svitak
* @param unknown_type $account_id
* @return Mysql_Result
*/
public function get_devices_of_account($account_id)
{
return $this->db->query("
SELECT d.id, d.payment_rate, d.buy_date, d.price
FROM devices d
JOIN users u ON d.user_id = u.id
JOIN accounts a ON a.member_id = u.member_id AND u.member_id <> 1
WHERE a.id = ? AND d.price IS NOT NULL AND d.price > 0
ORDER BY d.buy_date ASC
", array($account_id));
}


/**
* Recalculates all account balances.
*
* @author Jiri Svitak
* @return array[integer]
*/
public function recalculate_account_balances()
{
$accounts = $this->db->query("
SELECT q2.*, (inbound - outbound) AS calculated_balance
FROM
(
SELECT q1.*, IFNULL(SUM(amount), 0) AS inbound
FROM
(
SELECT a.*, IFNULL(SUM(amount), 0) AS outbound
FROM accounts a
LEFT JOIN members m ON m.id = a.member_id
LEFT JOIN transfers t1 ON a.id = t1.origin_id
GROUP BY a.id
) q1
LEFT JOIN transfers t2 ON q1.id = t2.destination_id
GROUP BY q1.id
) q2
");
// create update sql query
$sql = "UPDATE accounts SET balance = CASE id ";
// array of ids to change
$ids = array();
foreach ($accounts as $account)
{
if ($account->balance != $account->calculated_balance)
{
$sql .= "WHEN $account->id THEN $account->calculated_balance ";
$ids[] = $account->id;
}
}
// are there some accounts with incorrect balances? save correct balances
if (count($ids) > 0)
{
$ids_with_commas = implode(',', $ids);
$sql .= "END WHERE id IN ($ids_with_commas)";
Database::instance()->query($sql);
}
// returns array of ids of corrected accounts
return $ids;
}

/**
* Recalculates account balance of single account.
*
* @author Jiri Svitak
* @param integer $account_id
* @return boolean
*/
public function recalculate_account_balance_of_account($account_id)
{
$balance = $this->get_account_balance($account_id);
return $this->db->query("
UPDATE accounts
SET balance = ?
WHERE id = ?
", array($balance, $account_id));
}

/**
* Get comment of this object
*
* @return string
*/
public function get_comments()
{
$result = $this->db->query("
SELECT GROUP_CONCAT(comment SEPARATOR ', \n\n') AS comment FROM
(
SELECT a.id, CONCAT(u.surname,' ',u.name,' (',SUBSTRING(c.datetime,1,10),'):\n',c.text) AS comment
FROM accounts a
JOIN comments c ON a.comments_thread_id = c.comments_thread_id
JOIN users u ON c.user_id = u.id
WHERE a.member_id = ? AND a.account_attribute_id = ?
ORDER BY c.datetime DESC
) AS q
GROUP BY q.id
", array($this->member_id, $this->account_attribute_id))->current();

return ($result) ? $result->comment: '';
}
/**
* Returns account by given attribute and member
*
* @author Michal Kliment
* @param integer $account_attribute_id
* @param integer $member_id
* @return Account_Model
*/
public function get_account_by_account_attribute_and_member ($account_attribute_id, $member_id)
{
return $this
->where('account_attribute_id', $account_attribute_id)
->where('member_id', $member_id)
->find();
}
/**
* Gets account by account attribute ID.
* Creates new instance.
*
* @param integer $account_attribute_id
* @return Account_Model
*/
public function get_account_by_attribute($account_attribute_id)
{
return ORM::factory('account')
->where('account_attribute_id', $account_attribute_id)
->find();
}

/**
* Select list of accounts without accounts whose attribute IDs are in
* passed argument.
*
* @param int|array $account_attribute_id
*/
public function select_list_without_types($account_attribute_id)
{
if (!is_array($account_attribute_id))
{
$account_attribute_id = array($account_attribute_id);
}

$concat = "CONCAT(
COALESCE(name, ''),
' - " . __('Account ID') . " ',
id,
CONCAT(', ', account_attribute_id)
)";
$aaids = array_map('intval', $account_attribute_id);
return $this->in('account_attribute_id', $aaids, TRUE)
->select_list('id', $concat, 'account_attribute_id');
}
}
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