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<?php namespace TierPricingTable\Addons\NonLoggedInUsers\CartRules; |
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|
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use TierPricingTable\Addons\NonLoggedInUsers\Roles; |
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|
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/** |
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* Cart-level rules per role. Pure: no WordPress calls, so it is unit-tested on its own. |
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* |
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* Minimums are [ role => [ 'amount' => float, 'quantity' => int ] ]; a customer with several roles |
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* gets the strictest minimum. Method allow-lists are role arrays; an empty list allows everyone. |
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*/ |
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class CartRules { |
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|
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/** |
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* @param mixed $raw JSON string or array, as stored or posted |
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* |
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* @return array<string, array{amount: float, quantity: int}> rows with at least one minimum |
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*/ |
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public static function normalizeMinimums( $raw ): array { |
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if ( is_string( $raw ) ) { |
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$raw = json_decode( $raw, true ); |
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} |
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|
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$minimums = array(); |
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|
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foreach ( is_array( $raw ) ? $raw : array() as $role => $row ) { |
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$role = strtolower( trim( (string) preg_replace( '/[^A-Za-z0-9_\-]/', '', (string) $role ) ) ); |
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|
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if ( '' === $role || ! is_array( $row ) ) { |
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continue; |
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} |
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|
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$amount = max( 0.0, (float) str_replace( ',', '.', (string) ( $row['amount'] ?? '' ) ) ); |
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$quantity = max( 0, (int) ( $row['quantity'] ?? 0 ) ); |
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|
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if ( $amount > 0 || $quantity > 0 ) { |
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$minimums[ $role ] = array( 'amount' => $amount, 'quantity' => $quantity ); |
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} |
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} |
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|
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return $minimums; |
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} |
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|
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/** |
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* The minimums that apply to a visitor: the strictest among their roles. |
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* |
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* @return array{amount: float, quantity: int} |
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*/ |
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public static function pickMinimums( array $minimums, array $roles, bool $isGuest ): array { |
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$picked = array( 'amount' => 0.0, 'quantity' => 0 ); |
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|
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foreach ( $isGuest ? array( Roles::GUEST ) : $roles as $role ) { |
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if ( ! isset( $minimums[ $role ] ) ) { |
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continue; |
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} |
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|
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$picked['amount'] = max( $picked['amount'], (float) ( $minimums[ $role ]['amount'] ?? 0 ) ); |
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$picked['quantity'] = max( $picked['quantity'], (int) ( $minimums[ $role ]['quantity'] ?? 0 ) ); |
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} |
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return $picked; |
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} |
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|
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/** |
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* Which minimums the cart misses. |
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* |
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* @return array{amount?: float, quantity?: int} the missed minimum(s) |
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*/ |
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public static function missedMinimums( array $picked, float $subtotal, int $count ): array { |
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$missed = array(); |
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|
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if ( $picked['amount'] > 0 && $subtotal + 0.00001 < $picked['amount'] ) { |
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$missed['amount'] = (float) $picked['amount']; |
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} |
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|
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if ( $picked['quantity'] > 0 && $count < $picked['quantity'] ) { |
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$missed['quantity'] = (int) $picked['quantity']; |
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} |
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return $missed; |
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} |
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|
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/** |
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* Whether a visitor may use a method: an empty allow-list allows everyone. |
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*/ |
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public static function isAllowed( array $allowedRoles, array $roles, bool $isGuest ): bool { |
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$allowedRoles = array_values( array_filter( array_map( 'strval', $allowedRoles ), 'strlen' ) ); |
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|
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if ( ! $allowedRoles ) { |
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return true; |
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} |
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|
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return $isGuest ? in_array( Roles::GUEST, $allowedRoles, true ) : (bool) array_intersect( $roles, $allowedRoles ); |
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} |
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} |
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