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1 | <?php |
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2 | /** |
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3 | * Contains discount functions. |
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4 | * |
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5 | * @since 1.0.0 |
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6 | * @package Invoicing |
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7 | */ |
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8 | |||
9 | defined( 'ABSPATH' ) || exit; |
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10 | |||
11 | /** |
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12 | * Returns an array of discount type. |
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13 | * |
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14 | * @return array |
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15 | */ |
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16 | function wpinv_get_discount_types() { |
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17 | return apply_filters( |
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18 | 'wpinv_discount_types', |
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19 | array( |
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20 | 'percent' => __( 'Percentage', 'invoicing' ), |
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21 | 'flat' => __( 'Flat Amount', 'invoicing' ), |
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22 | ) |
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23 | ); |
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24 | } |
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25 | |||
26 | /** |
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27 | * Returns the name of a discount type. |
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28 | * |
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29 | * @return string |
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30 | */ |
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31 | function wpinv_get_discount_type_name( $type = '' ) { |
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32 | $types = wpinv_get_discount_types(); |
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33 | return isset( $types[ $type ] ) ? $types[ $type ] : $type; |
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34 | } |
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35 | |||
36 | /** |
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37 | * Deletes a discount via the admin page. |
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38 | * |
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39 | */ |
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40 | function wpinv_delete_discount( $data ) { |
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41 | |||
42 | $discount = new WPInv_Discount( absint( $data['discount'] ) ); |
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43 | $discount->delete( true ); |
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44 | |||
45 | } |
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46 | add_action( 'getpaid_authenticated_admin_action_delete_discount', 'wpinv_delete_discount' ); |
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47 | |||
48 | /** |
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49 | * Deactivates a discount via the admin page. |
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50 | */ |
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51 | function wpinv_activate_discount( $data ) { |
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52 | |||
53 | $discount = new WPInv_Discount( absint( $data['discount'] ) ); |
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54 | $discount->set_status( 'publish' ); |
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55 | $discount->save(); |
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56 | |||
57 | } |
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58 | add_action( 'getpaid_authenticated_admin_action_activate_discount', 'wpinv_activate_discount' ); |
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59 | |||
60 | /** |
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61 | * Activates a discount via the admin page. |
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62 | */ |
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63 | function wpinv_deactivate_discount( $data ) { |
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64 | |||
65 | $discount = new WPInv_Discount( absint( $data['discount'] ) ); |
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66 | $discount->set_status( 'pending' ); |
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67 | $discount->save(); |
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68 | |||
69 | } |
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70 | add_action( 'getpaid_authenticated_admin_action_deactivate_discount', 'wpinv_deactivate_discount' ); |
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71 | |||
72 | /** |
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73 | * Fetches a discount object. |
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74 | * |
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75 | * @param int|array|string|WPInv_Discount $discount discount data, object, ID or code. |
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76 | * @since 1.0.15 |
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77 | * @return WPInv_Discount |
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78 | */ |
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79 | function wpinv_get_discount( $discount ) { |
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80 | return new WPInv_Discount( $discount ); |
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81 | } |
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82 | |||
83 | /** |
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84 | * Fetches a discount object. |
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85 | * |
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86 | * @param int|array|string|WPInv_Discount $discount discount data, object, ID or code. |
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87 | * @since 1.0.15 |
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88 | * @return WPInv_Discount |
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89 | */ |
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90 | function wpinv_get_discount_obj( $discount = 0 ) { |
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91 | return new WPInv_Discount( $discount ); |
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92 | } |
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93 | |||
94 | /** |
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95 | * Fetch a discount from the db/cache using a given field. |
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96 | * |
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97 | * @param string $deprecated deprecated |
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98 | * @param string|int $value The field value |
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99 | * @return bool|WPInv_Discount |
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100 | */ |
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101 | function wpinv_get_discount_by( $deprecated = null, $value = '' ) { |
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102 | $discount = new WPInv_Discount( $value ); |
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103 | |||
104 | if ( $discount->get_id() != 0 ) { |
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105 | return $discount; |
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106 | } |
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107 | |||
108 | return false; |
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109 | } |
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110 | |||
111 | /** |
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112 | * Returns an array discount statuses. |
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113 | * |
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114 | * @return array |
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115 | */ |
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116 | function wpinv_get_discount_statuses() { |
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117 | |||
118 | return array( |
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119 | 'expired' => __( 'Expired', 'invoicing' ), |
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120 | 'publish' => __( 'Active', 'invoicing' ), |
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121 | 'inactive' => __( 'Inactive', 'invoicing' ), |
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122 | ); |
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123 | |||
124 | } |
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125 | |||
126 | /** |
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127 | * Retrieves an invoice status label. |
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128 | */ |
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129 | function wpinv_discount_status( $status ) { |
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130 | $statuses = wpinv_get_discount_statuses(); |
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131 | return isset( $statuses[ $status ] ) ? $statuses[ $status ] : __( 'Inactive', 'invoicing' ); |
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132 | } |
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133 | |||
134 | /** |
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135 | * Checks if a discount is recurring. |
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136 | * |
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137 | * @param int|array|string|WPInv_Discount $discount discount data, object, ID or code. |
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138 | * @param int|array|string|WPInv_Discount $code discount data, object, ID or code. |
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139 | * @return bool |
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140 | */ |
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141 | function wpinv_discount_is_recurring( $discount = 0, $code = 0 ) { |
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142 | |||
143 | if ( ! empty( $discount ) ) { |
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144 | $discount = wpinv_get_discount_obj( $discount ); |
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145 | } else { |
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146 | $discount = wpinv_get_discount_obj( $code ); |
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147 | } |
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148 | |||
149 | return $discount->get_is_recurring(); |
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150 | } |
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151 | |||
152 | /** |
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153 | * Calculates a discount code's amount. |
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154 | * |
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155 | * Ensure that the discount exists and has been validated before calling this method. |
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156 | * |
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157 | * @param WPInv_Invoice|GetPaid_Payment_Form_Submission $invoice |
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158 | * @param WPInv_Discount $discount |
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159 | * @return array |
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160 | */ |
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161 | function getpaid_calculate_invoice_discount( $invoice, $discount ) { |
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162 | |||
163 | $initial_discount = 0; |
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164 | $recurring_discount = 0; |
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165 | |||
166 | foreach ( $invoice->get_items() as $item ) { |
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167 | |||
168 | // Abort if it is not valid for this item. |
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169 | if ( ! $discount->is_valid_for_items( array( $item->get_id() ) ) ) { |
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170 | continue; |
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171 | } |
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172 | |||
173 | // Calculate the initial amount... |
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174 | $item_discount = $discount->get_discounted_amount( $item->get_sub_total() ); |
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175 | $recurring_item_discount = 0; |
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176 | |||
177 | // ... and maybe the recurring amount. |
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178 | if ( $item->is_recurring() && $discount->is_recurring() ) { |
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179 | $recurring_item_discount = $discount->get_discounted_amount( $item->get_recurring_sub_total() ); |
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180 | } |
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181 | |||
182 | // Discount should not exceed discounted amount. |
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183 | if ( ! $discount->is_type( 'percent' ) ) { |
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184 | |||
185 | if ( ( $initial_discount + $item_discount ) > $discount->get_amount() ) { |
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186 | $item_discount = $discount->get_amount() - $initial_discount; |
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187 | } |
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188 | |||
189 | if ( ( $recurring_discount + $recurring_item_discount ) > $discount->get_amount() ) { |
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190 | $recurring_item_discount = $discount->get_amount() - $recurring_discount; |
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191 | } |
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192 | } |
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193 | |||
194 | $initial_discount += $item_discount; |
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195 | $recurring_discount += $recurring_item_discount; |
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196 | $item->item_discount = $item_discount; |
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197 | $item->recurring_item_discount = $recurring_item_discount; |
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198 | |||
199 | } |
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200 | |||
201 | return array( |
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202 | 'name' => 'discount_code', |
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203 | 'discount_code' => $discount->get_code(), |
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204 | 'initial_discount' => $initial_discount, |
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205 | 'recurring_discount' => $recurring_discount, |
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206 | ); |
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207 | |||
208 | } |
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209 | |||
210 | /** |
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211 | * Checks if we have an active discount. |
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212 | * |
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213 | * @return bool |
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214 | */ |
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215 | function getpaid_has_published_discount() { |
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216 | |||
217 | $discounts = get_posts( |
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218 | array( |
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219 | 'post_type' => 'wpi_discount', |
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220 | 'numberposts' => 1, |
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221 | 'fields' => array( 'ids' ), |
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222 | ) |
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223 | ); |
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224 | |||
225 | return ! empty( $discounts ); |
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226 | |||
227 | } |
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228 |