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<?php
/**
* REST Access Plans Controller
*
* @package LifterLMS_REST/Classes/Controllers
*
* @since 1.0.0-beta.18
* @version 1.0.0-beta.20
*/
defined( 'ABSPATH' ) || exit;
/**
* LLMS_REST_Access_Plans_Controller class
*
* @since 1.0.0-beta.18
*/
class LLMS_REST_Access_Plans_Controller extends LLMS_REST_Posts_Controller {
/**
* Post type
*
* @var string
*/
protected $post_type = 'llms_access_plan';
/**
* Route base
*
* @var string
*/
protected $rest_base = 'access-plans';
/**
* Get the Access Plan's schema, conforming to JSON Schema
*
* @since 1.0.0-beta.18
*
* @return array
*/
public function get_item_schema() {
$schema = (array) parent::get_item_schema();
// Post properties to unset.
$properties_to_unset = array(
'comment_status',
'excerpt',
'featured_media',
'password',
'ping_status',
'slug',
'status',
);
foreach ( $properties_to_unset as $to_unset ) {
unset( $schema['properties'][ $to_unset ] );
}
// The content is not required.
unset( $schema['properties']['content']['required'] );
$access_plan_properties = require LLMS_REST_API_PLUGIN_DIR . 'includes/server/schemas/schema-access-plans.php';
$schema['properties'] = array_merge(
$schema['properties'],
$access_plan_properties
);
/**
* Filter item schema for the access-plan controller
*
* @since 1.0.0-beta.18
*
* @param array $schema Item schema data.
*/
return apply_filters( 'llms_rest_access_plan_item_schema', $schema );
}
/**
* Retrieves the query params for the objects collection
*
* @since 1.0.0-beta.18
*
* @return array Collection parameters.
*/
public function get_collection_params() {
$query_params = parent::get_collection_params();
$query_params['post_id'] = array(
'description' => __( 'Retrieve access plans for a specific list of one or more posts. Accepts a course/membership id or comma separated list of course/membership ids.', 'lifterlms' ),
'type' => 'array',
'items' => array(
'type' => 'integer',
),
'validate_callback' => 'rest_validate_request_arg',
);
return $query_params;
}
/**
* Retrieves an array of arguments for the delete endpoint
*
* @since 1.0.0-beta.18
*
* @return array Delete endpoint arguments.
*/
public function get_delete_item_args() {
return array();
}
/**
* Whether the delete should be forced
*
* @since 1.0.0-beta.18
*
* @param WP_REST_Request $request Full details about the request.
* @return bool True if the delete should be forced, false otherwise.
*/
protected function is_delete_forced( $request ) {
return true;
}
/**
* Whether the trash is supported
*
* @since 1.0.0-beta.18
*
* @return bool True if the trash is supported, false otherwise.
*/
protected function is_trash_supported() {
return false;
}
/**
* Check if a given request has access to create an item
*
* @since 1.0.0-beta.18
*
* @param WP_REST_Request $request Full details about the request.
* @return WP_Error|boolean
*/
public function create_item_permissions_check( $request ) {
$can_create = parent::create_item_permissions_check( $request );
// If current user cannot create the item because of authorization, check if the current user can edit the "parent" course/membership.
$can_create = $this->related_product_permissions_check( $can_create, $request );
return is_wp_error( $can_create ) ? $can_create : $this->allow_request_when_access_plan_limit_not_reached( $request );
}
/**
* Check if a given request has access to update an item
*
* @since 1.0.0-beta.18
* @since 1.0.0-beta.20 Call to private method `block_request_when_access_plan_limit` replaced with a call to the new `allow_request_when_access_plan_limit_not_reached` method.
*
* @param WP_REST_Request $request Full details about the request.
* @return WP_Error|boolean
*/
public function update_item_permissions_check( $request ) {
$can_update = parent::update_item_permissions_check( $request );
// If current user cannot edit the item because of authorization, check if the current user can edit the "parent" course/membership.
$can_update = $this->related_product_permissions_check( $can_update, $request );
return is_wp_error( $can_update ) ? $can_update : $this->allow_request_when_access_plan_limit_not_reached( $request );
}
/**
* Check if a given request has access to delete an item
*
* @since 1.0.0-beta.18
* @since 1.0.0-beta.20 Call to private method `block_request_when_access_plan_limit` replaced with a call to the new `allow_request_when_access_plan_limit_not_reached` method.
*
* @param WP_REST_Request $request Full details about the request.
* @return bool|WP_Error
*/
public function delete_item_permissions_check( $request ) {
$can_delete = parent::delete_item_permissions_check( $request );
// If current user cannot delete the item because of authorization, check if the current user can edit the "parent" course/membership.
return $this->related_product_permissions_check( $can_delete, $request );
}
/**
* Prepare links for the request
*
* @since 1.0.0-beta.18
*
* @param LLMS_Access_Plan $access_plan LLMS Access Plan instance.
* @param WP_REST_Request $request Request object.
* @return array Links for the given object.
*/
protected function prepare_links( $access_plan, $request ) {
$links = parent::prepare_links( $access_plan, $request );
unset( $links['content'] );
$links['post'] = array(
'href' => rest_url(
sprintf(
'%s/%s/%s',
'llms/v1',
'course' === $access_plan->get_product_type() ? 'courses' : 'memberships',
$access_plan->get( 'product_id' )
)
),
);
// Membership restrictions.
if ( $access_plan->has_availability_restrictions() ) {
$links['restrictions'] = array(
'href' => rest_url(
sprintf(
'%s/%s?include=%s',
'llms/v1',
'memberships',
implode( ',', $access_plan->get_array( 'availability_restrictions' ) )
)
),
);
}
/**
* Filters the access plan's links.
*
* @since 1.0.0-beta.18
*
* @param array $links Links for the given access plan.
* @param LLMS_Access_Plan $access_plan LLMS Access Plan instance.
*/
return apply_filters( 'llms_rest_access_plan_links', $links, $access_plan );
}
/**
* Prepare a single object output for response.
*
* @since 1.0.0-beta.18
* @since 1.0.0-beta.20 Fixed return format of the `access_expires` property.
* Fixed sale date properties.
*
* @param LLMS_Access_Plan $access_plan LLMS Access Plan instance.
* @param WP_REST_Request $request Full details about the request.
* @return array
*/
protected function prepare_object_for_response( $access_plan, $request ) {
$data = parent::prepare_object_for_response( $access_plan, $request );
$context = $request->get_param( 'context' );
// Price.
$data['price'] = $access_plan->is_free() ? 0 : $access_plan->get_price( 'price', array(), 'float' );
// Access expiration.
$data['access_expiration'] = $access_plan->get( 'access_expiration' );
// Access expires date.
if ( 'limited-date' === $data['access_expiration'] || 'edit' === $context ) {
$data['access_expires'] = $access_plan->get_date( 'access_expires', 'Y-m-d H:i:s' );
}
// Access length and period.
if ( 'limited-period' === $data['access_expiration'] || 'edit' === $context ) {
$data['access_length'] = $access_plan->get( 'access_length' );
$data['access_period'] = $access_plan->get( 'access_period' );
}
// Availability restrictions.
$data['availability_restrictions'] = $access_plan->has_availability_restrictions() ? array() : $access_plan->get_array( 'availability_restrictions' );
// Enroll text.
$data['enroll_text'] = $access_plan->get_enroll_text();
// Frequency.
$data['frequency'] = $access_plan->get( 'frequency' );
// Length and period.
if ( 0 < $data['frequency'] || 'edit' === $context ) {
$data['length'] = $access_plan->get( 'length' );
$data['period'] = $access_plan->get( 'period' );
}
// Post ID.
$data['post_id'] = $access_plan->get( 'product_id' );
// Redirect forced.
if ( ! empty( $data['availability_restrictions'] ) || 'edit' === $context ) {
$data['redirect_forced'] = llms_parse_bool( $access_plan->get( 'checkout_redirect_forced' ) );
}
// Redirect type.
$data['redirect_type'] = $access_plan->get( 'checkout_redirect_type' );
// Redirect page.
if ( 'page' === $data['redirect_type'] || 'edit' === $context ) {
$data['redirect_page'] = $access_plan->get( 'checkout_redirect_page' );
}
// Redirect url.
if ( 'url' === $data['redirect_type'] || 'edit' === $context ) {
$data['redirect_url'] = $access_plan->get( 'checkout_redirect_url' );
}
// Permalink.
$data['permalink'] = $access_plan->get_checkout_url( false );
// Sale enabled.
$data['sale_enabled'] = llms_parse_bool( $access_plan->get( 'on_sale' ) );
// Sale start/end and price.
if ( $data['sale_enabled'] || 'edit' === $context ) {
$data['sale_date_start'] = $access_plan->get_date( 'sale_start', 'Y-m-d H:i:s' );
$data['sale_date_end'] = $access_plan->get_date( 'sale_end', 'Y-m-d H:i:s' );
$data['sale_price'] = $access_plan->get_price( 'sale_price', array(), 'float' );
}
// SKU.
$data['sku'] = $access_plan->get( 'sku' );
// Trial.
$data['trial_enabled'] = $access_plan->has_trial();
if ( $data['trial_enabled'] || 'edit' === $context ) {
$data['trial_length'] = $access_plan->get( 'trial_length' );
$data['trial_period'] = $access_plan->get( 'trial_period' );
$data['trial_price'] = $access_plan->get_price( 'trial_price', array(), 'float' );
}
// Visibility.
$data['visibility'] = $access_plan->get_visibility();
/**
* Filters the access plan data for a response.
*
* @since 1.0.0-beta.18
*
* @param array $data Array of lesson properties prepared for response.
* @param LLMS_Access_Plan $access_plan LLMS Access Plan instance.
* @param WP_REST_Request $request Full details about the request.
*/
$data = apply_filters( 'llms_rest_prepare_access_plan_object_response', $data, $access_plan, $request );
return $data;
}
/**
* Format query arguments to retrieve a collection of objects
*
* @since 1.0.0-beta.18
*
* @param WP_REST_Request $request Full details about the request.
* @return array|WP_Error
*/
protected function prepare_collection_query_args( $request ) {
$query_args = parent::prepare_collection_query_args( $request );
if ( is_wp_error( $query_args ) ) {
return $query_args;
}
// Filter by post ID.
if ( ! empty( $request['post_id'] ) ) {
$query_args = array_merge(
$query_args,
array(
'meta_query' => array(
array(
'key' => '_llms_product_id',
'value' => $request['post_id'],
'compare' => 'IN',
),
),
)
);
}
return $query_args;
}
/**
* Prepares a single post for create or update
*
* @since 1.0.0-beta.18
*
* @param WP_REST_Request $request Request object.
* @return array|WP_Error Array of llms post args or WP_Error.
*/
protected function prepare_item_for_database( $request ) {
$prepared_item = parent::prepare_item_for_database( $request );
if ( is_wp_error( $prepared_item ) ) {
return $prepared_item;
}
$schema = $this->get_item_schema();
// Enroll text.
if ( ! empty( $schema['properties']['enroll_text'] ) && isset( $request['enroll_text'] ) ) {
$prepared_item['enroll_text'] = $request['enroll_text'];
}
// Post id.
if ( ! empty( $schema['properties']['post_id'] ) && isset( $request['post_id'] ) ) {
$prepared_item['product_id'] = $request['post_id'];
}
// SKU.
if ( ! empty( $schema['properties']['sku'] ) && isset( $request['sku'] ) ) {
$prepared_item['sku'] = $request['sku'];
}
/**
* Filters the access plan data before inserting in the db
*
* @since 1.0.0-beta.18
*
* @param array $prepared_item Array of access plan item properties prepared for database.
* @param WP_REST_Request $request Full details about the request.
* @param array $schema The item schema.
*/
$prepared_item = apply_filters( 'llms_rest_pre_insert_access_plan', $prepared_item, $request, $schema );
return $prepared_item;
}
/**
* Updates an existing single LLMS_Access_Plan in the database
*
* This method should be used for access plan properties that require the access plan id in order to be saved in the database.
*
* @since 1.0.0-beta.18
*
* @param LLMS_Access_Plan $access_plan LLMS Access Plan instance.
* @param WP_REST_Request $request Full details about the request.
* @param array $schema The item schema.
* @param array $prepared_item Array.
* @param bool $creating Optional. Whether we're in creation or update phase. Default true (create).
* @return bool|WP_Error True on success or false if nothing to update, WP_Error object if something went wrong during the update.
*/
protected function update_additional_object_fields( $access_plan, $request, $schema, $prepared_item, $creating = true ) {
$error = new WP_Error();
// Will contain the properties to set.
$to_set = array();
// Access expiration.
if ( ! empty( $schema['properties']['access_expiration'] ) && isset( $request['access_expiration'] ) ) {
$to_set['access_expiration'] = $request['access_expiration'];
}
// Access expires.
if ( ! empty( $schema['properties']['access_expires'] ) && isset( $request['access_expires'] ) ) {
$access_expires = rest_parse_date( $request['access_expires'] );
$to_set['access_expires'] = empty( $access_expires ) ? '' : date_i18n( 'Y-m-d H:i:s', $access_expires );
}
// Access length.
if ( ! empty( $schema['properties']['access_length'] ) && isset( $request['access_length'] ) ) {
$to_set['access_length'] = $request['access_length'];
}
// Access period.
if ( ! empty( $schema['properties']['access_period'] ) && isset( $request['access_period'] ) ) {
$to_set['access_period'] = $request['access_period'];
}
// Redirect.
if ( ! empty( $schema['properties']['redirect_type'] ) && isset( $request['redirect_type'] ) ) {
$to_set['checkout_redirect_type'] = $request['redirect_type'];
}
// Redirect page.
if ( ! empty( $schema['properties']['redirect_page'] ) && isset( $request['redirect_page'] ) ) {
$redirect_page = get_post( $request['redirect_page'] );
if ( $redirect_page && is_a( $redirect_page, 'WP_Post' ) ) {
$to_set['checkout_redirect_page'] = $request['redirect_page']; // maybe allow only published pages?
}
}
// Redirect url.
if ( ! empty( $schema['properties']['redirect_url'] ) && isset( $request['redirect_url'] ) ) {
$to_set['checkout_redirect_url'] = $request['redirect_url'];
}
// Price.
if ( ! empty( $schema['properties']['price'] ) && isset( $request['price'] ) ) {
$to_set['price'] = $request['price'];
}
// Sale enabled.
if ( ! empty( $schema['properties']['sale_enabled'] ) && isset( $request['sale_enabled'] ) ) {
$to_set['on_sale'] = $request['sale_enabled'] ? 'yes' : 'no';
}
// Sale dates.
if ( ! empty( $schema['properties']['sale_date_start'] ) && isset( $request['sale_date_start'] ) ) {
$sale_date_start = rest_parse_date( $request['sale_date_start'] );
$to_set['sale_start'] = empty( $sale_date_start ) ? '' : date_i18n( 'Y-m-d H:i:s', $sale_date_start );
}
if ( ! empty( $schema['properties']['sale_date_end'] ) && isset( $request['sale_date_end'] ) ) {
$sale_date_end = rest_parse_date( $request['sale_date_end'] );
$to_set['sale_end'] = empty( $sale_date_end ) ? '' : date_i18n( 'Y-m-d H:i:s', $sale_date_end );
}
// Sale price.
if ( ! empty( $schema['properties']['sale_price'] ) && isset( $request['sale_price'] ) ) {
$to_set['sale_price'] = $request['sale_price'];
}
// Trial enabled.
if ( ! empty( $schema['properties']['trial_enabled'] ) && isset( $request['trial_enabled'] ) ) {
$to_set['trial_offer'] = $request['trial_enabled'] ? 'yes' : 'no';
}
// Trial Length.
if ( ! empty( $schema['properties']['trial_length'] ) && isset( $request['trial_length'] ) ) {
$to_set['trial_length'] = $request['trial_length'];
}
// Trial Period.
if ( ! empty( $schema['properties']['trial_period'] ) && isset( $request['trial_period'] ) ) {
$to_set['trial_period'] = $request['trial_period'];
}
// Trial price.
if ( ! empty( $schema['properties']['trial_price'] ) && isset( $request['trial_price'] ) ) {
$to_set['trial_price'] = $request['trial_price'];
}
// Availability restrictions.
if ( ! empty( $schema['properties']['availability_restrictions'] ) && isset( $request['availability_restrictions'] ) ) {
$to_set['availability_restrictions'] = $request['availability_restrictions'];
}
// Redirect forced.
if ( ! empty( $schema['properties']['redirect_forced'] ) && isset( $request['redirect_forced'] ) ) {
$to_set['checkout_redirect_forced'] = $request['redirect_forced'];
}
// Frequency.
if ( ! empty( $schema['properties']['frequency'] ) && isset( $request['frequency'] ) ) {
$to_set['frequency'] = $request['frequency'];
}
// Length.
if ( ! empty( $schema['properties']['length'] ) && isset( $request['length'] ) ) {
$to_set['length'] = $request['length'];
}
// Period.
if ( ! empty( $schema['properties']['period'] ) && isset( $request['period'] ) ) {
$to_set['period'] = $request['period'];
}
$this->handle_props_interdependency( $to_set, $access_plan, $creating );
// Visibility.
if ( ! empty( $schema['properties']['visibiliy'] ) && isset( $request['visibility'] ) ) {
$visibility = $access_plan->set_visibility( $request['visibility'] );
if ( is_wp_error( $visibility ) ) {
return $visibility;
}
}
// Set bulk.
if ( ! empty( $to_set ) ) {
$update = $access_plan->set_bulk( $to_set, true );
if ( is_wp_error( $update ) ) {
$error = $update;
}
}
if ( $error->errors ) {
return $error;
}
return ! empty( $to_set ) || ! empty( $visibility );
}
/**
* Handle properties interdependency
*
* @since 1.0.0-beta.18
*
* @param array $to_set Array of properties to be set.
* @param LLMS_Access_Plan $access_plan LLMS Access Plan instance.
* @param bool $creating Whether we're in creation or update phase.
* @return void
*/
private function handle_props_interdependency( &$to_set, $access_plan, $creating ) {
// Access Plan properties as saved in the db.
$saved_props = $access_plan->toArray();
$this->add_subordinate_props( $to_set, $saved_props, $creating );
$this->unset_subordinate_props( $to_set, $saved_props );
}
/**
* Add all the properties which need to be set as consequence of another setting
*
* These properties must be compared to the saved value before updating, because if equal they will produce an error(see update_post_meta()).
*
* @since 1.0.0-beta.18
*
* @param array $to_set Array of properties to be set.
* @param array $saved_props Array of LLMS_Access_Plan properties as saved in the db.
* @param bool $creating Whether we're in creation or update phase.
* @return void
*/
private function add_subordinate_props( &$to_set, $saved_props, $creating ) {
$subordinate_props = array();
// Merge new properties to set and saved props.
$props = wp_parse_args( $to_set, $saved_props );
// Paid plan.
if ( $props['price'] > 0 ) {
$subordinate_props['is_free'] = 'no';
// One-time (no trial).
if ( 0 === $props['frequency'] ) {
$subordinate_props['trial_offer'] = 'no';
}
} else {
$subordinate_props['is_free'] = 'yes';
$subordinate_props['price'] = 0;
$subordinate_props['frequency'] = 0;
$subordinate_props['on_sale'] = 'no';
$subordinate_props['trial_offer'] = 'no';
}
if ( ! $creating ) { // Remove already set properties.
foreach ( $subordinate_props as $_prop => $value ) {
if ( isset( $saved_props[ $_prop ] ) && $saved_props[ $_prop ] === $value ) {
unset( $subordinate_props[ $_prop ] );
}
}
}
$to_set = array_merge( $to_set, $subordinate_props );
}
/**
* Remove all the properties that do not need to be set, based on other properties
*
* @since 1.0.0-beta.18
*
* @param array $to_set Array of properties to be set.
* @param array $saved_props Array of LLMS_Access_Plan properties as saved in the db.
* @return void
*/
private function unset_subordinate_props( &$to_set, $saved_props ) {
// Merge new properties to set and saved props.
$props = wp_parse_args( $to_set, $saved_props );
// No need to create/update recurring props when it's a 1-time payment.
if ( 0 === $props['frequency'] ) {
unset( $to_set['length'], $to_set['period'] );
}
// No need to create/update trial props when no trial enabled.
if ( ! llms_parse_bool( $props['trial_offer'] ) ) {
unset( $to_set['trial_price'], $to_set['trial_length'], $to_set['trial_period'] );
}
// No need to create/update sale props when not on sale.
if ( ! llms_parse_bool( $props['on_sale'] ) ) {
unset( $to_set['sale_price'], $to_set['sale_end'], $to_set['sale_start'] );
}
// Unset redirect props based on redirect settings.
if ( 'url' === $props['checkout_redirect_type'] ) {
unset( $to_set['checkout_redirect_page'] );
} elseif ( 'page' === $props['checkout_redirect_type'] ) {
unset( $to_set['checkout_redirect_url'] );
} else {
unset( $to_set['checkout_redirect_url'], $to_set['checkout_redirect_page'] );
}
// Unset expiration props based on expiration settings.
if ( 'lifetime' === $props['access_expiration'] ) {
unset( $to_set['access_expires'], $to_set['access_length'], $to_set['access_period'] );
} elseif ( 'limited-date' === $props['access_expiration'] ) {
unset( $to_set['access_length'], $to_set['access_period'] );
} elseif ( 'limited-period' === $props['access_expiration'] ) {
unset( $to_set['access_expires'] );
}
}
/**
* Check if the current user, who has no permissions to manipulate the access plan post, can edit its related product.
*
* @since 1.0.0-beta.18
* @since 1.0.0-beta.20 Made sure either we're creating or updating prior to check related product's permissions.
*
* @param boolean|WP_Error $has_permissions Whether or not the current user has the permission to manipulate the resource.
* @param WP_REST_Request $request Full details about the request.
* @return boolean|WP_Error
*/
private function related_product_permissions_check( $has_permissions, $request ) {
if ( llms_rest_is_authorization_required_error( $has_permissions ) ) {
// `id` required on "reading/updating", `post_id` required on "creating".
if ( empty( $request['id'] ) && empty( $request['post_id'] ) ) {
return $has_permissions;
}
$product_id = isset( $request['id'] ) /* not creation */ ? $this->get_object( (int) $request['id'] )->get( 'product_id' ) : (int) $request['post_id'];
$product_post_type_object = get_post_type_object( get_post_type( $product_id ) );
if ( current_user_can( $product_post_type_object->cap->edit_post, $product_id ) ) {
$has_permissions = true;
}
}
return $has_permissions;
}
/**
* Allow request when the access plan limit per product is not reached.
*
* @since 1.0.0-beta.20
*
* @param WP_REST_Request $request Full details about the request.
* @return true|WP_Error
*/
private function allow_request_when_access_plan_limit_not_reached( $request ) {
// `id` required on "reading/updating", `post_id` required on "creating".
if ( empty( $request['id'] ) && empty( $request['post_id'] ) ) {
return true;
}
$product_id = isset( $request['post_id'] ) ? $request['post_id'] : $this->get_object( (int) $request['id'] )->get( 'product_id' );
$product = new LLMS_Product( $product_id );
$limit = $product->get_access_plan_limit();
if ( count( $product->get_access_plans( false, false ) ) >= $limit ) {
return llms_rest_bad_request_error(
sprintf(
// Translators: %1$d = access plans limit per product, %2$s access plan post type plural name, %3$s product post type singular name.
__( 'Only %1$d %2$s allowed per %3$s', 'lifterlms' ),
$limit,
strtolower( get_post_type_object( $this->post_type )->labels->name ),
strtolower( get_post_type_object( get_post_type( $product_id ) )->labels->singular_name )
)
);
}
return true;
}
}