97 lines
2.8 KiB
PHP
97 lines
2.8 KiB
PHP
<?php
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/*
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* This file is part of RaspiSMS.
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*
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* (c) Pierre-Lin Bonnemaison <plebwebsas@gmail.com>
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*
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* This source file is subject to the GPL-3.0 license that is bundled
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* with this source code in the file LICENSE.
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*/
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namespace models;
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class Quota extends StandardModel
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{
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/**
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* Get remaining credit for a date
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* if no quota for this user return max int
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* @param int $id_user : User id
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* @param \DateTime $at : date to get credit at
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* @return int : number of remaining credits
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*/
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public function get_remaining_credit (int $id_user, \DateTime $at): int
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{
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$query = '
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SELECT (credit + additional - consumed) AS remaining_credit
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FROM quota
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WHERE id_user = :id_user
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AND start_date <= :at
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AND end_date > :at';
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$params = [
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'id_user' => $id_user,
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'at' => $at->format('Y-m-d H:i:s'),
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];
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$result = $this->_run_query($query, $params);
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return ($result[0]['remaining_credit'] ?? PHP_INT_MAX);
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}
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/**
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* Get credit usage percent for a date
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* if no quota for this user return 0
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* @param int $id_user : User id
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* @param \DateTime $at : date to get usage percent at
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* @return float : percent of used credits
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*/
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public function get_usage_percentage (int $id_user, \DateTime $at): int
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{
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$query = '
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SELECT (consumed / (credit + additional)) AS usage_percentage
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FROM quota
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WHERE id_user = :id_user
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AND start_date <= :at
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AND end_date > :at';
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$params = [
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'id_user' => $id_user,
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'at' => $at->format('Y-m-d H:i:s'),
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];
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$result = $this->_run_query($query, $params);
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return ($result[0]['usage_percentage'] ?? 0);
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}
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/**
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* Consume some credit for a user
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* @param int $id_user : User id
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* @param int $quantity : Number of credits to consume
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* @return bool
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*/
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public function consume_credit (int $id_user, int $quantity): int
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{
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$query = '
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UPDATE quota
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SET consumed = consumed + :quantity
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WHERE id_user = :id_user';
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$params = [
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'id_user' => $id_user,
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'quantity' => $quantity,
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];
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return (bool) $this->_run_query($query, $params, \descartes\Model::ROWCOUNT);
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}
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/**
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* Return table name.
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*/
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protected function get_table_name(): string
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{
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return 'quota';
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}
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}
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