1 | <?php |
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2 | /** |
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3 | * PHP Billing Library |
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4 | * |
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5 | * @link https://github.com/hiqdev/php-billing |
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6 | * @package php-billing |
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7 | * @license BSD-3-Clause |
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8 | * @copyright Copyright (c) 2017-2020, HiQDev (http://hiqdev.com/) |
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9 | */ |
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10 | |||
11 | namespace hiqdev\php\billing\charge\modifiers; |
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12 | |||
13 | use DateTimeImmutable; |
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14 | use Exception; |
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15 | use hiqdev\php\billing\action\ActionInterface; |
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16 | use hiqdev\php\billing\charge\AddonsContainerInterface; |
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17 | use hiqdev\php\billing\charge\ChargeInterface; |
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18 | use hiqdev\php\billing\charge\ChargeModifier; |
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19 | use hiqdev\php\billing\charge\TimeLimitedModifierInterface; |
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20 | use hiqdev\php\billing\formula\FormulaRuntimeError; |
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21 | |||
22 | /** |
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23 | * Fixed discount. |
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24 | * |
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25 | * @author Andrii Vasyliev <[email protected]> |
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26 | */ |
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27 | class Modifier implements ChargeModifier, AddonsContainerInterface, TimeLimitedModifierInterface |
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28 | { |
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29 | use \hiqdev\php\billing\charge\modifiers\addons\WithReason; |
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30 | use \hiqdev\php\billing\charge\modifiers\addons\WithSince; |
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31 | use \hiqdev\php\billing\charge\modifiers\addons\WithTill; |
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32 | use \hiqdev\php\billing\charge\modifiers\addons\WithTerm; |
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33 | use \hiqdev\php\billing\charge\modifiers\addons\WithChargeType; |
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34 | |||
35 | /** |
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36 | 28 | * @var AddonInterface[] |
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37 | */ |
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38 | 28 | protected $addons; |
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39 | 28 | ||
40 | public function __construct(array $addons = []) |
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41 | { |
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42 | $this->addons = $addons; |
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43 | } |
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44 | |||
45 | public function modifyCharge(?ChargeInterface $charge, ActionInterface $action): array |
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46 | { |
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47 | throw new Exception('not finished modifier'); |
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48 | } |
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49 | |||
50 | public function isSuitable(?ChargeInterface $charge, ActionInterface $action): bool |
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51 | { |
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52 | $month = $action->getTime()->modify('first day of this month midnight'); |
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53 | |||
54 | $since = $this->getSince(); |
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55 | if ($since && $since->getValue() > $month) { |
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56 | return false; |
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57 | } |
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58 | 3 | ||
59 | return true; |
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60 | 3 | } |
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61 | |||
62 | public function discount() |
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63 | { |
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64 | return new Discount($this->addons); |
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65 | } |
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66 | |||
67 | public function cap() |
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68 | 25 | { |
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69 | return new Cap($this->addons); |
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70 | 25 | } |
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71 | |||
72 | public function installment() |
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73 | 25 | { |
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74 | 25 | return new Installment($this->addons); |
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75 | } |
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76 | 25 | ||
77 | public function getNext() |
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78 | { |
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79 | 25 | return new static($this->addons); |
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80 | } |
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81 | 25 | ||
82 | public function addAddon(string $name, AddonInterface $addon) |
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83 | { |
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84 | 12 | if ($this->hasAddon($name)) { |
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85 | throw new Exception("'$name' is already set"); |
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86 | 12 | } |
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87 | $res = $this->getNext(); |
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88 | $res->addons[$name] = $addon; |
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89 | 19 | ||
90 | return $res; |
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91 | 19 | } |
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92 | |||
93 | public function replaceAddon(string $name, AddonInterface $addon) |
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94 | 5 | { |
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95 | if (!$this->hasAddon($name)) { |
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96 | 5 | throw new Exception("Addong '$name' is not set"); |
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97 | 5 | } |
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98 | |||
99 | $res = $this->getNext(); |
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100 | $res->addons[$name] = $addon; |
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101 | 5 | ||
102 | 5 | return $res; |
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103 | } |
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104 | |||
105 | public function getAddon(string $name): ?AddonInterface |
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106 | 5 | { |
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107 | 5 | return empty($this->addons[$name]) ? null : $this->addons[$name]; |
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108 | 1 | } |
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109 | |||
110 | public function hasAddon(string $name): bool |
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111 | 1 | { |
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112 | return isset($this->addons[$name]); |
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113 | } |
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114 | |||
115 | public function checkPeriod(DateTimeImmutable $time): bool |
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116 | 5 | { |
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117 | $since = $this->getSince(); |
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118 | if ($since && $since->getValue() > $time) { |
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119 | return false; |
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120 | } |
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121 | |||
122 | $till = $this->getTill(); |
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123 | if ($till && $till->getValue() <= $time) { |
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124 | return false; |
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125 | } |
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126 | |||
127 | $term = $this->getTerm(); |
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128 | if ($term) { |
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129 | if (!$since) { |
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130 | throw new FormulaRuntimeError('since must be set to use term'); |
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131 | } |
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132 | if ($term->countPeriodsPassed($since->getValue(), $time) >= 1) { |
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133 | return false; |
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134 | } |
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135 | } |
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136 | |||
137 | return true; |
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138 | } |
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139 | } |
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140 |