File conditional/class-papi-conditional-rules.php

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<?php

/**
 * Conditional rules class that contains
 * all rules.
 */
class Papi_Conditional_Rules {

    /**
     * The constructor.
     */
    public function __construct() {
        $this->setup_filters();
    }

    /**
     * Convert string bool to bool.
     *
     * @param  mixed $str
     *
     * @return mixed
     */
    private function convert_bool( $str ) {
        if ( ! is_string( $str ) ) {
            return $str;
        }

        switch ( $str ) {
            case 'false':
                return false;
            case 'true':
                return true;
            default:
                return $str;
        }
    }

    /**
     * Convert value from a property.
     *
     * @param  mixed $value
     * @param  Papi_Core_Conditional_Rule $rule
     *
     * @return mixed
     */
    private function convert_prop( $value, Papi_Core_Conditional_Rule $rule ) {
        $meta_id    = papi_get_meta_id();
        $meta_type  = papi_get_meta_type();
        $entry_type = papi_get_entry_type_by_meta_id( $meta_id, $meta_type );

        if ( ! papi_is_empty( $value ) && $entry_type instanceof Papi_Entry_Type !== false ) {
            $property = $entry_type->get_property( $rule->slug );

            if ( papi_is_property( $property ) ) {
                $prop_value = $property->format_value(
                    $value,
                    $property->slug,
                    $meta_id
                );

                $prop_value = papi_filter_format_value(
                    $property->type,
                    $prop_value,
                    $property->slug,
                    $meta_id,
                    $meta_type
                );

                $prop_value = $this->get_deep_value(
                    $rule->slug,
                    $prop_value
                );

                if ( gettype( $prop_value ) === gettype( $rule->value ) ) {
                    return $prop_value;
                }
            }

            return $value;
        }

        return $value;
    }

    /**
     * Convert string number to int or float.
     *
     * @param  string $str
     *
     * @return float|int
     */
    private function convert_number( $str ) {
        if ( is_numeric( $str ) && ! is_string( $str ) || ! is_numeric( $str ) ) {
            return $str;
        }

        if ( $str == (int) $str ) {
            return (int) $str;
        } else {
            return (float) $str;
        }
    }

    /**
     * Get converted value.
     *
     * @param  Papi_Core_Conditional_Rule $rule
     *
     * @return array
     */
    private function get_converted_value( Papi_Core_Conditional_Rule $rule ) {
        $value = $this->get_value( $rule );

        // Convert numeric values.
        if ( is_numeric( $value ) && is_numeric( $rule->value ) ) {
            return [
                $this->convert_number( $value ),
                $this->convert_number( $rule->value )
            ];
        }

        // Convert bool value if it a string bool or return value.
        $value       = $this->convert_bool( $value );
        $rule->value = $this->convert_bool( $rule->value );

        // Try to convert the property to the same value as the rule value.
        return [
            $this->convert_prop( $value, $rule ),
            $rule->value
        ];
    }

    /**
     * Get deep value.
     *
     * @param  string $slug
     * @param  mixed $value
     *
     * @return mixed
     */
    private function get_deep_value( $slug, $value ) {
        $slugs = explode( '.', $slug );
        array_shift( $slugs );
        return papi_field_value( $slugs, $value, $value );
    }

    /**
     * Get property value.
     *
     * @param  Papi_Core_Conditional_Rule $rule
     *
     * @return mixed
     */
    private function get_value( Papi_Core_Conditional_Rule $rule ) {
        if ( papi_doing_ajax() ) {
            $source     = $rule->get_source();
            $meta_id    = papi_get_meta_id();
            $entry_type = papi_get_entry_type_by_meta_id( $meta_id );

            if ( ! papi_is_empty( $source ) && $entry_type instanceof Papi_Entry_Type !== false ) {
                if ( papi_is_property( $entry_type->get_property( $rule->slug ) ) ) {
                    return $this->get_deep_value( $rule->slug, $source );
                }
            }
        }

        if ( ! papi_is_empty( $rule->get_source() ) ) {
            return $this->get_deep_value( $rule->slug, $rule->get_source() );
        }

        $slug  = $rule->get_field_slug();
        $type  = papi_get_meta_type();
        $value = papi_get_field( $slug, null, $type );

        return $this->get_deep_value( $slug, $value );
    }

    /**
     * Equal conditional rule.
     *
     * @param  Papi_Core_Conditional_Rule $rule
     *
     * @return bool
     */
    public function rule_equal( Papi_Core_Conditional_Rule $rule ) {
        list( $value, $rule_value ) = $this->get_converted_value( $rule );
        return $value === $rule_value;
    }

    /**
     * Not equal conditional rule.
     *
     * @param  Papi_Core_Conditional_Rule $rule
     *
     * @return bool
     */
    public function rule_not_equal( Papi_Core_Conditional_Rule $rule ) {
        list( $value, $rule_value ) = $this->get_converted_value( $rule );
        return $value !== $rule_value;
    }

    /**
     * Greater then conditional rule.
     *
     * @param  Papi_Core_Conditional_Rule $rule
     *
     * @return bool
     */
    public function rule_greater_then( Papi_Core_Conditional_Rule $rule ) {
        $value = $this->get_value( $rule );

        if ( is_array( $value ) ) {
            $value = count( $value );
        }

        if ( ! is_numeric( $value ) || ! is_numeric( $rule->value ) ) {
            return false;
        }

        return $this->convert_number( $value ) >
            $this->convert_number( $rule->value );
    }

    /**
     * Greater then or equal conditional rule.
     *
     * @param  Papi_Core_Conditional_Rule $rule
     *
     * @return bool
     */
    public function rule_greater_then_or_equal( Papi_Core_Conditional_Rule $rule ) {
        $value = $this->get_value( $rule );

        if ( is_array( $value ) ) {
            $value = count( $value );
        }

        if ( ! is_numeric( $value ) || ! is_numeric( $rule->value ) ) {
            return false;
        }

        return $this->convert_number( $value ) >=
            $this->convert_number( $rule->value );
    }

    /**
     * Less then conditional rule.
     *
     * @param  Papi_Core_Conditional_Rule $rule
     *
     * @return bool
     */
    public function rule_less_then( Papi_Core_Conditional_Rule $rule ) {
        $value = $this->get_value( $rule );

        if ( is_array( $value ) ) {
            $value = count( $value );
        }

        if ( ! is_numeric( $value ) || ! is_numeric( $rule->value ) ) {
            return false;
        }

        return $this->convert_number( $value ) <
            $this->convert_number( $rule->value );
    }

    /**
     * Less then or equal conditional rule.
     *
     * @param  Papi_Core_Conditional_Rule $rule
     *
     * @return bool
     */
    public function rule_less_then_or_equal( Papi_Core_Conditional_Rule $rule ) {
        $value = $this->get_value( $rule );

        if ( is_array( $value ) ) {
            $value = count( $value );
        }

        if ( ! is_numeric( $value ) || ! is_numeric( $rule->value ) ) {
            return false;
        }

        return $this->convert_number( $value ) <=
            $this->convert_number( $rule->value );
    }

    /**
     * In array conditional rule.
     *
     * @param  Papi_Core_Conditional_Rule $rule
     *
     * @return bool
     */
    public function rule_in( Papi_Core_Conditional_Rule $rule ) {
        list( $value, $rule_value ) = $this->get_converted_value( $rule );

        if ( ! is_array( $rule_value ) ) {
            return false;
        }

        return in_array( $value, $rule_value );
    }

    /**
     * Not in array conditional rule.
     *
     * @param  Papi_Core_Conditional_Rule $rule
     *
     * @return bool
     */
    public function rule_not_in( Papi_Core_Conditional_Rule $rule ) {
        list( $value, $rule_value ) = $this->get_converted_value( $rule );

        if ( ! is_array( $rule_value ) ) {
            return false;
        }

        return ! in_array( $value, $rule_value );
    }

    /**
     * Like conditional rule.
     *
     * @param  Papi_Core_Conditional_Rule $rule
     *
     * @return bool
     */
    public function rule_like( Papi_Core_Conditional_Rule $rule ) {
        $value = $this->get_value( $rule );

        if ( ! is_string( $value ) ) {
            $value = papi_convert_to_string( $value );
        }

        if ( papi_is_empty( $value ) ) {
            return false;
        }

        return strpos(
            strtolower( $value ),
            strtolower( $rule->value )
        ) !== false;
    }

    /**
     * Get between values.
     *
     * @param  Papi_Core_Conditional_Rule $rule
     *
     * @return array
     */
    private function get_between_values( Papi_Core_Conditional_Rule $rule ) {
        $value = $this->get_value( $rule );

        if ( ! is_array( $rule->value ) ) {
            return [$rule, false];
        }

        foreach ( $rule->value as $index => $v ) {
            $v = $this->convert_number( $v );

            if ( is_numeric( $v ) ) {
                $rule->value[$index] = $v;
            } else {
                unset( $rule->value[$index] );
            }
        }

        if ( ! is_numeric( $value ) || count( $rule->value ) !== 2 ) {
            return [$rule, false];
        }

        return [$rule, $this->convert_number( $value )];
    }

    /**
     * Between conditional rule.
     *
     * @param  Papi_Core_Conditional_Rule $rule
     *
     * @return bool
     */
    public function rule_between( Papi_Core_Conditional_Rule $rule ) {
        list( $rule, $value ) = $this->get_between_values( $rule );

        if ( $value === false ) {
            return false;
        }

        return $rule->value[0] <= $value && $value <= $rule->value[1];
    }

    /**
     * Not between conditional rule.
     *
     * @param  Papi_Core_Conditional_Rule $rule
     *
     * @return bool
     */
    public function rule_not_between( Papi_Core_Conditional_Rule $rule ) {
        list( $rule, $value ) = $this->get_between_values( $rule );

        if ( $value === false ) {
            return false;
        }

        return ! ( $rule->value[0] <= $value && $value <= $rule->value[1] );
    }

    /**
     * Exists conditional rule.
     *
     * @param  Papi_Core_Conditional_Rule $rule
     *
     * @return bool
     */
    public function rule_exists( Papi_Core_Conditional_Rule $rule ) {
        return ! in_array( $this->get_value( $rule ), [null, []] );
    }

    /**
     * Not exists conditional rule.
     *
     * @param  Papi_Core_Conditional_Rule $rule
     *
     * @return bool
     */
    public function rule_not_exists( Papi_Core_Conditional_Rule $rule ) {
        return in_array( $this->get_value( $rule ), [null, []] );
    }

    /**
     * Empty conditional rule.
     *
     * @param  Papi_Core_Conditional_Rule $rule
     *
     * @return bool
     */
    public function rule_empty( Papi_Core_Conditional_Rule $rule ) {
        return papi_is_empty( $this->get_value( $rule ) );
    }

    /**
     * Empty conditional rule.
     *
     * @param  Papi_Core_Conditional_Rule $rule
     *
     * @return bool
     */
    public function rule_not_empty( Papi_Core_Conditional_Rule $rule ) {
        return ! papi_is_empty( $this->get_value( $rule ) );
    }

    /**
     * Setup filters.
     */
    public function setup_filters() {
        add_filter( 'papi/conditional/rule/=', [$this, 'rule_equal'] );
        add_filter( 'papi/conditional/rule/!=', [$this, 'rule_not_equal'] );
        add_filter( 'papi/conditional/rule/>', [$this, 'rule_greater_then'] );
        add_filter( 'papi/conditional/rule/>=', [$this, 'rule_greater_then_or_equal'] );
        add_filter( 'papi/conditional/rule/<', [$this, 'rule_less_then'] );
        add_filter( 'papi/conditional/rule/<=', [$this, 'rule_less_then_or_equal'] );
        add_filter( 'papi/conditional/rule/IN', [$this, 'rule_in'] );
        add_filter( 'papi/conditional/rule/NOT IN', [$this, 'rule_not_in'] );
        add_filter( 'papi/conditional/rule/LIKE', [$this, 'rule_like'] );
        add_filter( 'papi/conditional/rule/BETWEEN', [$this, 'rule_between'] );
        add_filter( 'papi/conditional/rule/NOT BETWEEN', [$this, 'rule_not_between'] );
        add_filter( 'papi/conditional/rule/EXISTS', [$this, 'rule_exists'] );
        add_filter( 'papi/conditional/rule/NOT EXISTS', [$this, 'rule_not_exists'] );
        add_filter( 'papi/conditional/rule/EMPTY', [$this, 'rule_empty'] );
        add_filter( 'papi/conditional/rule/NOT EMPTY', [$this, 'rule_not_empty'] );
    }
}

new Papi_Conditional_Rules();

Classes

Functions