BP_REST_Topics_Endpoint::create_item( WP_REST_Request $request )

	public function create_item( $request ) {
		$request->set_param( 'context', 'edit' );

		$topic = $this->prepare_topic_for_database( $request );

		// Define local variable(s).
		$forum_id       = 0;
		$topic_author   = 0;
		$anonymous_data = 0;
		$topic_title    = '';
		$topic_content  = '';
		$terms          = array( bbp_get_topic_tag_tax_id() => array() );

		/** Topic Author */
		if ( bbp_is_anonymous() ) {

			$anonymous_args = array(
				'bbp_anonymous_name'    => ! empty( $request['anonymous_name'] ) ? sanitize_text_field( $request['anonymous_name'] ) : '',
				'bbp_anonymous_email'   => ! empty( $request['anonymous_email'] ) ? sanitize_email( $request['anonymous_email'] ) : '',
				'bbp_anonymous_website' => ! empty( $request['anonymous_website'] ) ? sanitize_text_field( $request['anonymous_website'] ) : '',
			);

			// Filter anonymous data.
			$anonymous_data = bbp_filter_anonymous_post_data( $anonymous_args );

			// Anonymous data checks out, so set cookies, etc...
			if ( ! empty( $anonymous_data ) && is_array( $anonymous_data ) ) {
				bbp_set_current_anonymous_user_data( $anonymous_data );
			}

			// User is logged in.
		} else {

			// User cannot create topics.
			if ( ! current_user_can( 'publish_topics' ) ) {
				return new WP_Error(
					'bp_rest_bbp_topic_permissions',
					__( 'Sorry, You do not have permission to create new discussions.', 'buddyboss' ),
					array(
						'status' => rest_authorization_required_code(),
					)
				);
			}

			// Topic author is current user.
			$topic_author = bbp_get_current_user_id();
		}

		// Remove kses filters from title and content for capable users and if the nonce is verified.
		if ( current_user_can( 'unfiltered_html' ) ) {
			remove_filter( 'bbp_new_topic_pre_title', 'wp_filter_kses' );
			remove_filter( 'bbp_new_topic_pre_content', 'bbp_encode_bad', 10 );
		}

		/** Discussion Title */
		if ( ! empty( $topic->bbp_topic_title ) ) {
			$topic_title = esc_attr( wp_strip_all_tags( $topic->bbp_topic_title ) );
		}

		// Filter and sanitize.
		$topic_title = apply_filters( 'bbp_new_topic_pre_title', $topic_title );

		// No topic title.
		if ( empty( $topic_title ) ) {
			return new WP_Error(
				'bp_rest_bbp_topic_title',
				__( 'Sorry, Your discussion needs a subject.', 'buddyboss' ),
				array(
					'status' => 400,
				)
			);
		}

		/** Topic Content */
		if ( ! empty( $topic->bbp_topic_content ) ) {
			$topic_content = $topic->bbp_topic_content;
		}

		// Filter and sanitize.
		$topic_content = apply_filters( 'bbp_new_topic_pre_content', $topic_content );

		// No topic content.
		if (
			empty( $topic_content )
			&& empty( $request['bbp_media'] )
			&& empty( $request['bbp_media_gif'] )
		) {
			return new WP_Error(
				'bp_rest_bbp_topic_content',
				__( 'Sorry, Your discussion cannot be empty.', 'buddyboss' ),
				array(
					'status' => 400,
				)
			);
		}

		/** Topic Forum */
		// Error check the POST'ed topic id.
		if ( isset( $topic->bbp_forum_id ) ) {

			// Empty Forum id was passed.
			if ( empty( $topic->bbp_forum_id ) ) {
				return new WP_Error(
					'bp_rest_bbp_topic_forum_id',
					__( 'Sorry, Forum ID is missing.', 'buddyboss' ),
					array(
						'status' => 400,
					)
				);
				// Forum id is not a number.
			} elseif ( ! is_numeric( $topic->bbp_forum_id ) ) {
				return new WP_Error(
					'bp_rest_bbp_topic_forum_id',
					__( 'Sorry, Forum ID must be a number.', 'buddyboss' ),
					array(
						'status' => 400,
					)
				);

				// Forum id might be valid.
			} else {

				// Get the forum id.
				$posted_forum_id = intval( $topic->bbp_forum_id );

				// Forum id is empty.
				if ( 0 === $posted_forum_id ) {
					return new WP_Error(
						'bp_rest_bbp_topic_forum_id',
						__( 'Sorry, Forum ID is missing.', 'buddyboss' ),
						array(
							'status' => 400,
						)
					);

					// Forum id is a negative number.
				} elseif ( 0 > $posted_forum_id ) {
					return new WP_Error(
						'bp_rest_bbp_topic_forum_id',
						__( 'Sorry, Forum ID cannot be a negative number.', 'buddyboss' ),
						array(
							'status' => 400,
						)
					);

					// Forum does not exist.
				} elseif ( ! bbp_get_forum( $posted_forum_id ) ) {
					return new WP_Error(
						'bp_rest_bbp_topic_forum_id',
						__( 'Sorry, Forum does not exist.', 'buddyboss' ),
						array(
							'status' => 400,
						)
					);

					// Use the POST'ed forum id.
				} else {
					$forum_id = $posted_forum_id;
				}
			}
		}

		// Forum exists.
		if ( ! empty( $forum_id ) ) {

			// Forum is a category.
			if ( bbp_is_forum_category( $forum_id ) ) {
				return new WP_Error(
					'bp_rest_bbp_topic_forum_category',
					__( 'Sorry, This forum is a category. No discussions can be created in this forum.', 'buddyboss' ),
					array(
						'status' => 400,
					)
				);

				// Forum is not a category.
			} else {

				// Forum is closed and user cannot access.
				if ( bbp_is_forum_closed( $forum_id ) && ! current_user_can( 'edit_forum', $forum_id ) ) {
					return new WP_Error(
						'bp_rest_bbp_topic_forum_closed',
						__( 'Sorry, This forum has been closed to new discussions.', 'buddyboss' ),
						array(
							'status' => 400,
						)
					);
				}

				/**
				 * Added logic for group forum
				 * Current user is part of that group or not.
				 * We need to check manually because bbpress updating that caps only on group forum page and
				 * in API those conditional tag will not work.
				 */
				$is_member = false;
				$group_ids = array();
				if ( function_exists( 'bbp_get_forum_group_ids' ) ) {
					$group_ids = bbp_get_forum_group_ids( $forum_id );
					if ( ! empty( $group_ids ) ) {
						foreach ( $group_ids as $group_id ) {
							if ( groups_is_user_member( $topic_author, $group_id ) ) {
								$is_member = true;
								break;
							}
						}
					}
				}

				// Forum is private and user cannot access.
				if ( bbp_is_forum_private( $forum_id ) && ! bbp_is_user_keymaster() ) {
					if (
						( empty( $group_ids ) && ! current_user_can( 'read_private_forums' ) )
						|| ( ! empty( $group_ids ) && ! $is_member )
					) {
						return new WP_Error(
							'bp_rest_bbp_topic_forum_closed',
							__( 'Sorry, This forum is private and you do not have the capability to read or create new discussions in it.', 'buddyboss' ),
							array(
								'status' => 400,
							)
						);
					}

					// Forum is hidden and user cannot access.
				} elseif ( bbp_is_forum_hidden( $forum_id ) && ! bbp_is_user_keymaster() ) {
					if (
						( empty( $group_ids ) && ! current_user_can( 'read_hidden_forums' ) )
						|| ( ! empty( $group_ids ) && ! $is_member )
					) {
						return new WP_Error(
							'bp_rest_bbp_topic_forum_closed',
							__( 'Sorry, This forum is hidden and you do not have the capability to read or create new discussions in it.', 'buddyboss' ),
							array(
								'status' => 400,
							)
						);
					}
				}
			}
		}

		/** Topic Flooding */
		if ( ! bbp_check_for_flood( $anonymous_data, $topic_author ) ) {
			return new WP_Error(
				'bp_rest_bbp_topic_flood',
				__( 'Slow down; you move too fast.', 'buddyboss' ),
				array(
					'status' => 400,
				)
			);
		}

		/** Topic Duplicate */

		if ( ! bbp_check_for_duplicate(
			array(
				'post_type'      => bbp_get_topic_post_type(),
				'post_author'    => $topic_author,
				'post_content'   => $topic_content,
				'anonymous_data' => $anonymous_data,
			)
		) ) {
			return new WP_Error(
				'bp_rest_bbp_topic_duplicate',
				__( 'Duplicate discussion detected; it looks as though you\'ve already said that!', 'buddyboss' ),
				array(
					'status' => 400,
				)
			);
		}

		/** Topic Blacklist */
		if ( ! bbp_check_for_blacklist( $anonymous_data, $topic_author, $topic_title, $topic_content ) ) {
			return new WP_Error(
				'bp_rest_bbp_topic_blacklist',
				__( 'Sorry, Your discussion cannot be created at this time.', 'buddyboss' ),
				array(
					'status' => 400,
				)
			);
		}

		/** Topic Status */
		// Maybe put into moderation.
		if ( ! bbp_check_for_moderation( $anonymous_data, $topic_author, $topic_title, $topic_content ) ) {
			$topic_status = bbp_get_pending_status_id();

			// Check a whitelist of possible topic status ID's.
		} elseif ( ! empty( $topic->bbp_topic_status ) && in_array( $topic->bbp_topic_status, array_keys( bbp_get_topic_statuses() ), true ) ) {
			$topic_status = $topic->bbp_topic_status;

			// Default to published if nothing else.
		} else {
			$topic_status = bbp_get_public_status_id();
		}

		/** Topic Tags */
		if ( bbp_allow_topic_tags() && ! empty( $topic->bbp_topic_tags ) ) {

			// Escape tag input.
			$terms = esc_attr( wp_strip_all_tags( $topic->bbp_topic_tags ) );

			// Explode by comma.
			if ( strstr( $terms, ',' ) ) {
				$terms = explode( ',', $terms );
			}

			// Add topic tag ID as main key.
			$terms = array( bbp_get_topic_tag_tax_id() => $terms );
		}

		/** Additional Actions (Before Save) */
		do_action( 'bbp_new_topic_pre_extras', $forum_id );

		// Bail if errors.
		if ( bbp_has_errors() ) {
			return new WP_Error(
				'bp_rest_bbp_topic_unknown',
				__( 'Unknown error.', 'buddyboss' ),
				array(
					'status' => 400,
				)
			);
		}

		/** No Errors */
		// Add the content of the form to $topic_data as an array.
		// Just in time manipulation of topic data before being created.
		$topic_data = apply_filters(
			'bbp_new_topic_pre_insert',
			array(
				'post_author'    => $topic_author,
				'post_title'     => $topic_title,
				'post_content'   => $topic_content,
				'post_status'    => $topic_status,
				'post_parent'    => $forum_id,
				'post_type'      => bbp_get_topic_post_type(),
				'tax_input'      => $terms,
				'comment_status' => 'closed',
			)
		);

		// Insert topic.
		$topic_id = wp_insert_post( $topic_data );

		if ( empty( $topic_id ) || is_wp_error( $topic_id ) ) {
			$append_error = (
			( is_wp_error( $topic_id ) && $topic_id->get_error_message() )
				? __( 'The following problem(s) have been found with your topic: ', 'buddyboss' ) . $topic_id->get_error_message()
				: __( 'We are facing a problem to creating a topic.', 'buddyboss' )
			);

			return new WP_Error(
				'bp_rest_bbp_topic_error',
				$append_error,
				array(
					'status' => 400,
				)
			);
		}

		/** Trash Check */
		// If the forum is trash, or the topic_status is switched to.
		// trash, trash it properly.
		if (
			( bbp_get_trash_status_id() === get_post_field( 'post_status', $forum_id ) )
			|| ( bbp_get_trash_status_id() === $topic_data['post_status'] )
		) {

			// Trash the reply.
			wp_trash_post( $topic_id );
		}

		/** Spam Check */
		// If reply or topic are spam, officially spam this reply.
		if ( bbp_get_spam_status_id() === $topic_data['post_status'] ) {
			add_post_meta( $topic_id, '_bbp_spam_meta_status', bbp_get_public_status_id() );
		}

		/** Update counts, etc... */
		do_action( 'bbp_new_topic', $topic_id, $forum_id, $anonymous_data, $topic_author );

		/** Stickies */
		// Sticky check after 'bbp_new_topic' action so forum ID meta is set.
		if ( ! empty( $topic->bbp_stick_topic ) && in_array(
			$topic->bbp_stick_topic,
			array(
				'stick',
				'super',
				'unstick',
			),
			true
		) ) {

			// What's the caps?
			if ( current_user_can( 'moderate' ) ) {

				// What's the haps?
				switch ( $topic->bbp_stick_topic ) {

					// Sticky in this forum.
					case 'stick':
						bbp_stick_topic( $topic_id );
						break;

					// Super sticky in all forums.
					case 'super':
						bbp_stick_topic( $topic_id, true );
						break;

					// We can avoid this as it is a new topic.
					case 'unstick':
					default:
						break;
				}
			}
		}

		// Handle Subscription Checkbox.
		if ( bbp_is_subscriptions_active() ) {
			$author_id = bbp_get_user_id( 0, true, true );
			// Check if subscribed.
			$subscribed = bbp_is_user_subscribed( $author_id, $topic_id );

			// Subscribed and unsubscribing.
			if ( true === $subscribed && empty( $topic->bbp_topic_subscription ) ) {
				bbp_remove_user_subscription( $author_id, $topic_id );

				// Not subscribed and subscribing.
			} elseif ( false === $subscribed && ! empty( $topic->bbp_topic_subscription ) ) {
				bbp_add_user_subscription( $author_id, $topic_id );
			}
		}

		/** Additional Actions (After Save) */
		do_action( 'bbp_new_topic_post_extras', $topic_id );

		$topic         = get_post( $topic_id );
		$fields_update = $this->update_additional_fields_for_object( $topic, $request );

		if ( is_wp_error( $fields_update ) ) {
			return $fields_update;
		}

		$retval = $this->prepare_response_for_collection(
			$this->prepare_item_for_response( $topic, $request )
		);

		$response = rest_ensure_response( $retval );

		/**
		 * Fires after a topic is created and fetched via the REST API.
		 *
		 * @param array            $topic    Created topic.
		 * @param WP_REST_Response $response The response data.
		 * @param WP_REST_Request  $request  The request sent to the API.
		 *
		 * @since 0.1.0
		 */
		do_action( 'bp_rest_topic_create_item', $topic, $response, $request );

		return $response;
	}