Duplicate code is one of the most pungent code smells. A rule that is often used is to re-structure code once it is duplicated in three or more places.
Common duplication problems, and corresponding solutions are:
Complex classes like WC_Abstract_Legacy_Order often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes. You can also have a look at the cohesion graph to spot any un-connected, or weakly-connected components.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use WC_Abstract_Legacy_Order, and based on these observations, apply Extract Interface, too.
1 | <?php |
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17 | abstract class WC_Abstract_Legacy_Order extends WC_Data { |
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18 | |||
19 | /** |
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20 | * Update a line item for the order. |
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21 | * |
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22 | * Note this does not update order totals. |
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23 | * |
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24 | * @since 2.2 |
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25 | * @param object|int $item order item ID or item object. |
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26 | * @param WC_Product $product |
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27 | * @param array $args data to update. |
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28 | * @return int updated order item ID |
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29 | */ |
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30 | public function update_product( $item, $product, $args ) { |
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31 | _deprecated_function( 'WC_Order::update_product', '2.7', 'Interact with WC_Order_Item_Product class' ); |
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32 | if ( is_numeric( $item ) ) { |
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33 | $item = $this->get_item( $item ); |
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34 | } |
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35 | if ( ! is_object( $item ) || ! $item->is_type( 'line_item' ) ) { |
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36 | return false; |
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37 | } |
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38 | if ( ! $this->get_id() ) { |
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39 | $this->save(); // Order must exist |
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40 | } |
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41 | |||
42 | // BW compatibility with old args |
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43 | View Code Duplication | if ( isset( $args['totals'] ) ) { |
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44 | foreach ( $args['totals'] as $key => $value ) { |
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45 | if ( 'tax' === $key ) { |
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46 | $args['total_tax'] = $value; |
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47 | } elseif ( 'tax_data' === $key ) { |
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48 | $args['taxes'] = $value; |
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49 | } else { |
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50 | $args[ $key ] = $value; |
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51 | } |
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52 | } |
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53 | } |
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54 | |||
55 | // Handly qty if set |
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56 | if ( isset( $args['qty'] ) ) { |
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57 | View Code Duplication | if ( $product->backorders_require_notification() && $product->is_on_backorder( $args['qty'] ) ) { |
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58 | $item->add_meta_data( apply_filters( 'woocommerce_backordered_item_meta_name', __( 'Backordered', 'woocommerce' ) ), $args['qty'] - max( 0, $product->get_total_stock() ), true ); |
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59 | } |
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60 | $args['subtotal'] = $args['subtotal'] ? $args['subtotal'] : $product->get_price_excluding_tax( $args['qty'] ); |
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61 | $args['total'] = $args['total'] ? $args['total'] : $product->get_price_excluding_tax( $args['qty'] ); |
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62 | } |
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63 | |||
64 | $item->set_order_id( $this->get_id() ); |
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65 | $item->set_all( $args ); |
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66 | $item->save(); |
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67 | do_action( 'woocommerce_order_edit_product', $this->get_id(), $item->get_id(), $args, $product ); |
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68 | |||
69 | return $item->get_id(); |
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70 | } |
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71 | |||
72 | /** |
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73 | * Update coupon for order. Note this does not update order totals. |
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74 | * @since 2.2 |
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75 | * @param object|int $item |
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76 | * @param array $args |
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77 | * @return int updated order item ID |
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78 | */ |
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79 | public function update_coupon( $item, $args ) { |
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80 | _deprecated_function( 'WC_Order::update_coupon', '2.7', 'Interact with WC_Order_Item_Coupon class' ); |
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81 | if ( is_numeric( $item ) ) { |
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82 | $item = $this->get_item( $item ); |
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83 | } |
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84 | if ( ! is_object( $item ) || ! $item->is_type( 'coupon' ) ) { |
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85 | return false; |
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86 | } |
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87 | if ( ! $this->get_id() ) { |
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88 | $this->save(); // Order must exist |
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89 | } |
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90 | |||
91 | // BW compatibility for old args |
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92 | if ( isset( $args['discount_amount'] ) ) { |
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93 | $args['discount'] = $args['discount_amount']; |
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94 | } |
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95 | if ( isset( $args['discount_amount_tax'] ) ) { |
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96 | $args['discount_tax'] = $args['discount_amount_tax']; |
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97 | } |
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98 | |||
99 | $item->set_order_id( $this->get_id() ); |
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100 | $item->set_all( $args ); |
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101 | $item->save(); |
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102 | |||
103 | do_action( 'woocommerce_order_update_coupon', $this->get_id(), $item->get_id(), $args ); |
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104 | |||
105 | return $item->get_id(); |
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106 | } |
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107 | |||
108 | /** |
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109 | * Update shipping method for order. |
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110 | * |
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111 | * Note this does not update the order total. |
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112 | * |
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113 | * @since 2.2 |
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114 | * @param object|int $item |
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115 | * @param array $args |
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116 | * @return int updated order item ID |
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117 | */ |
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118 | public function update_shipping( $item, $args ) { |
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119 | _deprecated_function( 'WC_Order::update_shipping', '2.7', 'Interact with WC_Order_Item_Shipping class' ); |
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120 | if ( is_numeric( $item ) ) { |
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121 | $item = $this->get_item( $item ); |
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122 | } |
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123 | if ( ! is_object( $item ) || ! $item->is_type( 'shipping' ) ) { |
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124 | return false; |
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125 | } |
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126 | if ( ! $this->get_id() ) { |
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127 | $this->save(); // Order must exist |
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128 | } |
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129 | |||
130 | // BW compatibility for old args |
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131 | if ( isset( $args['cost'] ) ) { |
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132 | $args['total'] = $args['cost']; |
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133 | } |
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134 | |||
135 | $item->set_order_id( $this->get_id() ); |
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136 | $item->set_all( $args ); |
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137 | $item->save(); |
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138 | $this->calculate_shipping(); |
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139 | |||
140 | do_action( 'woocommerce_order_update_shipping', $this->get_id(), $item->get_id(), $args ); |
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141 | |||
142 | return $item->get_id(); |
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143 | } |
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144 | |||
145 | /** |
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146 | * Update fee for order. |
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147 | * |
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148 | * Note this does not update order totals. |
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149 | * |
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150 | * @since 2.2 |
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151 | * @param object|int $item |
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152 | * @param array $args |
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153 | * @return int updated order item ID |
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154 | */ |
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155 | View Code Duplication | public function update_fee( $item, $args ) { |
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156 | _deprecated_function( 'WC_Order::update_fee', '2.7', 'Interact with WC_Order_Item_Fee class' ); |
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157 | if ( is_numeric( $item ) ) { |
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158 | $item = $this->get_item( $item ); |
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159 | } |
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160 | if ( ! is_object( $item ) || ! $item->is_type( 'fee' ) ) { |
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161 | return false; |
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162 | } |
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163 | if ( ! $this->get_id() ) { |
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164 | $this->save(); // Order must exist |
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165 | } |
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166 | |||
167 | $item->set_order_id( $this->get_id() ); |
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168 | $item->set_all( $args ); |
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169 | $item->save(); |
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170 | |||
171 | do_action( 'woocommerce_order_update_fee', $this->get_id(), $item->get_id(), $args ); |
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172 | |||
173 | return $item->get_id(); |
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174 | } |
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175 | |||
176 | /** |
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177 | * Update tax line on order. |
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178 | * Note this does not update order totals. |
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179 | * |
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180 | * @since 2.7 |
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181 | * @param object|int $item |
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182 | * @param array $args |
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183 | * @return int updated order item ID |
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184 | */ |
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185 | View Code Duplication | public function update_tax( $item, $args ) { |
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186 | _deprecated_function( 'WC_Order::update_tax', '2.7', 'Interact with WC_Order_Item_Tax class' ); |
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187 | if ( is_numeric( $item ) ) { |
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188 | $item = $this->get_item( $item ); |
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189 | } |
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190 | if ( ! is_object( $item ) || ! $item->is_type( 'tax' ) ) { |
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191 | return false; |
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192 | } |
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193 | if ( ! $this->get_id() ) { |
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194 | $this->save(); // Order must exist |
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195 | } |
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196 | |||
197 | $item->set_order_id( $this->get_id() ); |
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198 | $item->set_all( $args ); |
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199 | $item->save(); |
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200 | |||
201 | do_action( 'woocommerce_order_update_tax', $this->get_id(), $item->get_id(), $args ); |
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202 | |||
203 | return $item->get_id(); |
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204 | } |
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205 | |||
206 | /** |
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207 | * Get a product (either product or variation). |
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208 | * @deprecated Add deprecation notices in future release. Replaced with $item->get_product() |
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209 | * @param object $item |
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210 | * @return WC_Product|bool |
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211 | */ |
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212 | public function get_product_from_item( $item ) { |
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213 | if ( is_callable( array( $item, 'get_product' ) ) ) { |
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214 | $product = $item->get_product(); |
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215 | } else { |
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216 | $product = false; |
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217 | } |
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218 | return apply_filters( 'woocommerce_get_product_from_item', $product, $item, $this ); |
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219 | } |
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220 | |||
221 | /** |
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222 | * Set the customer address. |
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223 | * @since 2.2.0 |
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224 | * @param array $address Address data. |
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225 | * @param string $type billing or shipping. |
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226 | */ |
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227 | public function set_address( $address, $type = 'billing' ) { |
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228 | foreach ( $address as $key => $value ) { |
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229 | update_post_meta( $this->get_id(), "_{$type}_" . $key, $value ); |
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230 | View Code Duplication | if ( is_callable( array( $this, "set_{$type}_{$key}" ) ) ) { |
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231 | $this->{"set_{$type}_{$key}"}( $value ); |
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232 | } |
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233 | } |
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234 | } |
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235 | |||
236 | /** |
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237 | * Set an order total. |
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238 | * @since 2.2.0 |
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239 | * @param float $amount |
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240 | * @param string $total_type |
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241 | * @return bool |
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242 | */ |
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243 | public function legacy_set_total( $amount, $total_type = 'total' ) { |
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244 | if ( ! in_array( $total_type, array( 'shipping', 'tax', 'shipping_tax', 'total', 'cart_discount', 'cart_discount_tax' ) ) ) { |
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245 | return false; |
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246 | } |
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247 | |||
248 | switch ( $total_type ) { |
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249 | case 'total' : |
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250 | $amount = wc_format_decimal( $amount, wc_get_price_decimals() ); |
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251 | $this->set_total( $amount ); |
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252 | update_post_meta( $this->get_id(), '_order_total', $amount ); |
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253 | break; |
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254 | case 'cart_discount' : |
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255 | $amount = wc_format_decimal( $amount ); |
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256 | $this->set_discount_total( $amount ); |
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257 | update_post_meta( $this->get_id(), '_cart_discount', $amount ); |
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258 | break; |
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259 | case 'cart_discount_tax' : |
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260 | $amount = wc_format_decimal( $amount ); |
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261 | $this->set_discount_tax( $amount ); |
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262 | update_post_meta( $this->get_id(), '_cart_discount_tax', $amount ); |
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263 | break; |
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264 | case 'shipping' : |
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265 | $amount = wc_format_decimal( $amount ); |
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266 | $this->set_shipping_total( $amount ); |
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267 | update_post_meta( $this->get_id(), '_order_shipping', $amount ); |
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268 | break; |
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269 | case 'shipping_tax' : |
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270 | $amount = wc_format_decimal( $amount ); |
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271 | $this->set_shipping_tax( $amount ); |
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272 | update_post_meta( $this->get_id(), '_order_shipping_tax', $amount ); |
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273 | break; |
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274 | case 'tax' : |
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275 | $amount = wc_format_decimal( $amount ); |
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276 | $this->set_cart_tax( $amount ); |
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277 | update_post_meta( $this->get_id(), '_order_tax', $amount ); |
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278 | break; |
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279 | } |
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280 | |||
281 | return true; |
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282 | } |
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283 | |||
284 | /** |
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285 | * Magic __isset method for backwards compatibility. |
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286 | * @param string $key |
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287 | * @return bool |
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288 | */ |
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289 | public function __isset( $key ) { |
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290 | // Legacy properties which could be accessed directly in the past. |
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291 | $legacy_props = array( 'completed_date', 'id', 'order_type', 'post', 'status', 'post_status', 'customer_note', 'customer_message', 'user_id', 'customer_user', 'prices_include_tax', 'tax_display_cart', 'display_totals_ex_tax', 'display_cart_ex_tax', 'order_date', 'modified_date', 'cart_discount', 'cart_discount_tax', 'order_shipping', 'order_shipping_tax', 'order_total', 'order_tax', 'billing_first_name', 'billing_last_name', 'billing_company', 'billing_address_1', 'billing_address_2', 'billing_city', 'billing_state', 'billing_postcode', 'billing_country', 'billing_phone', 'billing_email', 'shipping_first_name', 'shipping_last_name', 'shipping_company', 'shipping_address_1', 'shipping_address_2', 'shipping_city', 'shipping_state', 'shipping_postcode', 'shipping_country', 'customer_ip_address', 'customer_user_agent', 'payment_method_title', 'payment_method', 'order_currency' ); |
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292 | return $this->get_id() ? ( in_array( $key, $legacy_props ) || metadata_exists( 'post', $this->get_id(), '_' . $key ) ) : false; |
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293 | } |
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294 | |||
295 | /** |
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296 | * Magic __get method for backwards compatibility. |
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297 | * @param string $key |
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298 | * @return mixed |
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299 | */ |
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300 | public function __get( $key ) { |
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301 | _doing_it_wrong( $key, 'Order properties should not be accessed directly.', '2.7' ); |
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302 | |||
303 | if ( 'completed_date' === $key ) { |
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304 | return $this->get_date_completed(); |
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305 | } elseif ( 'paid_date' === $key ) { |
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306 | return $this->get_date_paid(); |
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307 | } elseif ( 'modified_date' === $key ) { |
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308 | return $this->get_date_modified(); |
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309 | } elseif ( 'order_date' === $key ) { |
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310 | return $this->get_date_created(); |
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311 | } elseif ( 'id' === $key ) { |
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312 | return $this->get_id(); |
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313 | } elseif ( 'post' === $key ) { |
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314 | return get_post( $this->get_id() ); |
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315 | } elseif ( 'status' === $key || 'post_status' === $key ) { |
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316 | return $this->get_status(); |
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317 | } elseif ( 'customer_message' === $key || 'customer_note' === $key ) { |
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318 | return $this->get_customer_note(); |
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319 | } elseif ( in_array( $key, array( 'user_id', 'customer_user' ) ) ) { |
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320 | return $this->get_customer_id(); |
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321 | } elseif ( 'tax_display_cart' === $key ) { |
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322 | return get_option( 'woocommerce_tax_display_cart' ); |
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323 | } elseif ( 'display_totals_ex_tax' === $key ) { |
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324 | return 'excl' === get_option( 'woocommerce_tax_display_cart' ); |
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325 | } elseif ( 'display_cart_ex_tax' === $key ) { |
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326 | return 'excl' === get_option( 'woocommerce_tax_display_cart' ); |
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327 | } elseif ( 'cart_discount' === $key ) { |
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328 | return $this->get_discount(); |
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329 | } elseif ( 'cart_discount_tax' === $key ) { |
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330 | return $this->get_discount_tax(); |
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331 | } elseif ( 'order_tax' === $key ) { |
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332 | return $this->get_cart_tax(); |
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333 | } elseif ( 'order_shipping_tax' === $key ) { |
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334 | return $this->get_shipping_tax(); |
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335 | } elseif ( 'order_shipping' === $key ) { |
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336 | return $this->get_shipping_total(); |
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337 | } elseif ( 'order_total' === $key ) { |
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338 | return $this->get_total(); |
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339 | } elseif ( 'order_type' === $key ) { |
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340 | return $this->get_type(); |
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341 | } elseif ( 'order_currency' === $key ) { |
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342 | return $this->get_currency(); |
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343 | } elseif ( 'order_version' === $key ) { |
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344 | return $this->get_version(); |
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345 | } elseif ( is_callable( array( $this, "get_{$key}" ) ) ) { |
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346 | return $this->{"get_{$key}"}(); |
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347 | } else { |
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348 | return get_post_meta( $this->get_id(), '_' . $key, true ); |
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349 | } |
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350 | } |
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351 | |||
352 | /** |
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353 | * has_meta function for order items. |
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354 | * |
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355 | * @param string $order_item_id |
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356 | * @return array of meta data. |
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357 | */ |
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358 | public function has_meta( $order_item_id ) { |
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367 | |||
368 | /** |
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369 | * Display meta data belonging to an item. |
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370 | * @param array $item |
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371 | */ |
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372 | public function display_item_meta( $item ) { |
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373 | _deprecated_function( 'get_item_meta', '2.7', 'wc_display_item_meta' ); |
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374 | $product = $item->get_product(); |
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375 | $item_meta = new WC_Order_Item_Meta( $item, $product ); |
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376 | $item_meta->display(); |
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377 | } |
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378 | |||
379 | /** |
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380 | * Display download links for an order item. |
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381 | * @param array $item |
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382 | */ |
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383 | public function display_item_downloads( $item ) { |
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384 | $product = $item->get_product(); |
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385 | |||
386 | if ( $product && $product->exists() && $product->is_downloadable() && $this->is_download_permitted() ) { |
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387 | $download_files = $this->get_item_downloads( $item ); |
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388 | $i = 0; |
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389 | $links = array(); |
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390 | |||
391 | foreach ( $download_files as $download_id => $file ) { |
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392 | $i++; |
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393 | $prefix = count( $download_files ) > 1 ? sprintf( __( 'Download %d', 'woocommerce' ), $i ) : __( 'Download', 'woocommerce' ); |
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394 | $links[] = '<small class="download-url">' . $prefix . ': <a href="' . esc_url( $file['download_url'] ) . '" target="_blank">' . esc_html( $file['name'] ) . '</a></small>' . "\n"; |
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395 | } |
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396 | |||
397 | echo '<br/>' . implode( '<br/>', $links ); |
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398 | } |
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399 | } |
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400 | |||
401 | /** |
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402 | * Get the Download URL. |
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403 | * |
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404 | * @param int $product_id |
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405 | * @param int $download_id |
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406 | * @return string |
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407 | */ |
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408 | public function get_download_url( $product_id, $download_id ) { |
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409 | return add_query_arg( array( |
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410 | 'download_file' => $product_id, |
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411 | 'order' => $this->get_order_key(), |
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412 | 'email' => urlencode( $this->get_billing_email() ), |
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413 | 'key' => $download_id, |
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414 | ), trailingslashit( home_url() ) ); |
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415 | } |
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416 | |||
417 | /** |
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418 | * Get the downloadable files for an item in this order. |
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419 | * |
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420 | * @param array $item |
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421 | * @return array |
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422 | */ |
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423 | public function get_item_downloads( $item ) { |
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424 | global $wpdb; |
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425 | |||
426 | $product = $item->get_product(); |
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427 | |||
428 | if ( ! $product ) { |
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429 | /** |
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430 | * $product can be `false`. Example: checking an old order, when a product or variation has been deleted. |
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431 | * @see \WC_Product_Factory::get_product |
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432 | */ |
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433 | return array(); |
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434 | } |
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435 | $download_ids = $wpdb->get_col( $wpdb->prepare(" |
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436 | SELECT download_id |
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437 | FROM {$wpdb->prefix}woocommerce_downloadable_product_permissions |
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438 | WHERE user_email = %s |
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439 | AND order_key = %s |
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440 | AND product_id = %d |
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441 | ORDER BY permission_id |
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442 | ", $this->get_billing_email(), $this->get_order_key(), $product_id ) ); |
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443 | |||
444 | $files = array(); |
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445 | |||
446 | foreach ( $download_ids as $download_id ) { |
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447 | |||
448 | if ( $product->has_file( $download_id ) ) { |
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449 | $files[ $download_id ] = $product->get_file( $download_id ); |
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450 | $files[ $download_id ]['download_url'] = $this->get_download_url( $product_id, $download_id ); |
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451 | } |
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452 | } |
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453 | |||
454 | return apply_filters( 'woocommerce_get_item_downloads', $files, $item, $this ); |
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455 | } |
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456 | |||
457 | /** |
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458 | * Gets shipping total. Alias of WC_Order::get_shipping_total(). |
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459 | * @deprecated 2.7.0 since this is an alias only. |
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460 | * @return float |
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461 | */ |
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462 | public function get_total_shipping() { |
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465 | |||
466 | /** |
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467 | * Get order item meta. |
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468 | * @deprecated 2.7.0 |
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469 | * @param mixed $order_item_id |
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470 | * @param string $key (default: '') |
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471 | * @param bool $single (default: false) |
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472 | * @return array|string |
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473 | */ |
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474 | public function get_item_meta( $order_item_id, $key = '', $single = false ) { |
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475 | _deprecated_function( 'get_item_meta', '2.7', 'wc_get_order_item_meta' ); |
||
476 | return get_metadata( 'order_item', $order_item_id, $key, $single ); |
||
477 | } |
||
478 | |||
479 | /** |
||
480 | * Get all item meta data in array format in the order it was saved. Does not group meta by key like get_item_meta(). |
||
481 | * |
||
482 | * @param mixed $order_item_id |
||
483 | * @return array of objects |
||
484 | */ |
||
485 | public function get_item_meta_array( $order_item_id ) { |
||
497 | |||
498 | /** |
||
499 | * Expand item meta into the $item array. |
||
500 | * @deprecated 2.7.0 Item meta no longer expanded due to new order item |
||
501 | * classes. This function now does nothing to avoid data breakage. |
||
502 | * @since 2.4.0 |
||
503 | * @param array $item before expansion. |
||
504 | * @return array |
||
505 | */ |
||
506 | public function expand_item_meta( $item ) { |
||
510 | |||
511 | /** |
||
512 | * Load the order object. Called from the constructor. |
||
513 | * @deprecated 2.7.0 Logic moved to constructor |
||
514 | * @param int|object|WC_Order $order Order to init. |
||
515 | */ |
||
516 | View Code Duplication | protected function init( $order ) { |
|
526 | |||
527 | /** |
||
528 | * Gets an order from the database. |
||
529 | * @deprecated 2.7 |
||
530 | * @param int $id (default: 0). |
||
531 | * @return bool |
||
532 | */ |
||
533 | View Code Duplication | public function get_order( $id = 0 ) { |
|
544 | |||
545 | /** |
||
546 | * Populates an order from the loaded post data. |
||
547 | * @deprecated 2.7 |
||
548 | * @param mixed $result |
||
549 | */ |
||
550 | public function populate( $result ) { |
||
554 | |||
555 | /** |
||
556 | * Cancel the order and restore the cart (before payment). |
||
557 | * @deprecated 2.7.0 Moved to event handler. |
||
558 | * @param string $note (default: '') Optional note to add. |
||
559 | */ |
||
560 | public function cancel_order( $note = '' ) { |
||
565 | |||
566 | /** |
||
567 | * Record sales. |
||
568 | * @deprecated 2.7.0 |
||
569 | */ |
||
570 | public function record_product_sales() { |
||
574 | |||
575 | /** |
||
576 | * Increase applied coupon counts. |
||
577 | * @deprecated 2.7.0 |
||
578 | */ |
||
579 | public function increase_coupon_usage_counts() { |
||
583 | |||
584 | /** |
||
585 | * Decrease applied coupon counts. |
||
586 | * @deprecated 2.7.0 |
||
587 | */ |
||
588 | public function decrease_coupon_usage_counts() { |
||
592 | |||
593 | /** |
||
594 | * Reduce stock levels for all line items in the order. |
||
595 | * @deprecated 2.7.0 |
||
596 | */ |
||
597 | public function reduce_order_stock() { |
||
601 | |||
602 | /** |
||
603 | * Send the stock notifications. |
||
604 | * @deprecated 2.7.0 No longer needs to be called directly. |
||
605 | */ |
||
606 | public function send_stock_notifications( $product, $new_stock, $qty_ordered ) { |
||
609 | |||
610 | /** |
||
611 | * Output items for display in html emails. |
||
612 | * @deprecated 2.7.0 Moved to template functions. |
||
613 | * @param array $args Items args. |
||
614 | * @return string |
||
615 | */ |
||
616 | public function email_order_items_table( $args = array() ) { |
||
619 | |||
620 | /** |
||
621 | * Get currency. |
||
622 | * @deprecated 2.7.0 |
||
623 | */ |
||
624 | public function get_order_currency() { |
||
628 | } |
||
629 |
This check marks calls to methods that do not seem to exist on an object.
This is most likely the result of a method being renamed without all references to it being renamed likewise.