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1 | <?php |
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2 | |||
3 | namespace Kunstmaan\SeoBundle\Twig; |
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4 | |||
5 | use Kunstmaan\SeoBundle\Helper\Order; |
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6 | use Kunstmaan\SeoBundle\Helper\OrderConverter; |
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7 | use Kunstmaan\SeoBundle\Helper\OrderPreparer; |
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8 | use Twig_Environment; |
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9 | use Twig_Extension; |
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10 | |||
11 | /** |
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12 | * Twig extensions for Google Analytics |
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13 | */ |
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14 | class GoogleAnalyticsTwigExtension extends Twig_Extension |
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15 | { |
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16 | protected $accountVarName = 'account_id'; |
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17 | |||
18 | protected $accountId; |
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19 | |||
20 | /** @var OrderPreparer */ |
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21 | protected $orderPreparer; |
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22 | |||
23 | /** @var OrderConverter */ |
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24 | protected $orderConverter; |
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25 | |||
26 | /** |
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27 | * Returns a list of functions to add to the existing list. |
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28 | * |
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29 | * @return array An array of functions |
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30 | */ |
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31 | public function getFunctions() |
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32 | { |
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33 | return array( |
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34 | new \Twig_SimpleFunction( |
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35 | 'google_analytics_initialize', |
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36 | array($this, 'renderInitialize'), |
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37 | array('is_safe' => array('html'), 'needs_environment' => true) |
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38 | ), |
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39 | new \Twig_SimpleFunction( |
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40 | 'google_analytics_track_order', |
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41 | array($this, 'renderECommerceTracking'), |
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42 | array('is_safe' => array('html'), 'needs_environment' => true) |
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43 | ), |
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44 | ); |
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45 | } |
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46 | |||
47 | /** |
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48 | * @param string $id the Google Analytics Account ID |
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49 | */ |
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50 | public function setAccountID($id) |
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51 | { |
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52 | $this->accountId = $id; |
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53 | } |
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54 | |||
55 | /** |
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56 | * @param OrderPreparer $preparer |
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57 | */ |
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58 | public function setOrderPreparer($preparer) |
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59 | { |
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60 | $this->orderConverter = $preparer; |
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61 | } |
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62 | |||
63 | /** |
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64 | * @param OrderConverter $converter |
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65 | */ |
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66 | public function setOrderConverter($converter) |
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67 | { |
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68 | $this->orderConverter = $converter; |
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69 | } |
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70 | |||
71 | /** |
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72 | * Renders the default Google Analytics JavaScript. |
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73 | * |
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74 | * If the options are not set it'll try and load the account ID from your parameters (google.analytics.account_id) |
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75 | * |
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76 | * @param \Twig_Environment $environment |
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77 | * @param array|null $options Example: {account_id: 'UA-XXXXX-Y'} |
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78 | * |
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79 | * @return string the HTML rendered |
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80 | * |
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81 | * @throws \Twig_Error_Runtime when the Google Analytics ID is nowhere to be found |
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82 | */ |
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83 | public function renderInitialize(\Twig_Environment $environment, $options = null) |
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84 | { |
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85 | if (\is_null($options)) { |
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86 | $options = array(); |
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87 | } |
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88 | |||
89 | $defaults = array(); |
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90 | |||
91 | $this->setOptionIfNotSet($defaults, $this->accountVarName, $this->accountId); |
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92 | |||
93 | // Things set in $options will override things set in $defaults. |
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94 | $options = array_merge($defaults, $options); |
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95 | |||
96 | if (!$this->isOptionSet($options, $this->accountVarName)) { |
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97 | throw new \Twig_Error_Runtime( |
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98 | "The google_analytics_initialize function depends on a Google Analytics account ID. You can either pass this along in the initialize_google_analytics function ($this->accountVarName), provide a variable under 'parameters.google.analytics.account_id'." |
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99 | ); |
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100 | } |
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101 | |||
102 | $template = $environment->loadTemplate('KunstmaanSeoBundle:GoogleAnalyticsTwigExtension:init.html.twig'); |
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103 | |||
104 | return $template->render($options); |
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105 | } |
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106 | |||
107 | /** |
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108 | * @param Twig_Environment $environment |
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109 | * @param Order $order |
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110 | * |
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111 | * @return string the HTML rendered |
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112 | */ |
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113 | public function renderECommerceTracking(\Twig_Environment $environment, Order $order) |
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114 | { |
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115 | $order = $this->orderPreparer->prepare($order); |
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116 | $options = $this->orderConverter->convert($order); |
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117 | $template = $environment->loadTemplate( |
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118 | 'KunstmaanSeoBundle:GoogleAnalyticsTwigExtension:ecommerce_tracking.html.twig' |
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119 | ); |
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120 | |||
121 | return $template->render($options); |
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122 | } |
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123 | |||
124 | /** |
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125 | * Prefer the given option if already set. Otherwise set the value given. |
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126 | * |
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127 | * @param array &$arr This is modified in place |
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128 | * @param string $option the key in the $arr array |
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129 | * @param mixed $value the new value if the option wasn't set already |
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130 | */ |
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131 | private function setOptionIfNotSet(&$arr, $option, $value) |
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132 | { |
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133 | if ($this->isOptionSet($arr, $option)) { |
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134 | $arr[$option] = $value; |
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135 | } |
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136 | } |
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137 | |||
138 | /** |
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139 | * Check if an option is set. |
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140 | * |
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141 | * @param array $arr the array to check |
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142 | * @param string $option the key in the $arr array |
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143 | * |
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144 | * @return bool |
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145 | */ |
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146 | private function isOptionSet($arr, $option) |
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147 | { |
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148 | return !isset($arr[$option]) || !empty($arr[$option]); |
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149 | } |
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150 | } |
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151 |
Our type inference engine has found an assignment to a property that is incompatible with the declared type of that property.
Either this assignment is in error or the assigned type should be added to the documentation/type hint for that property..