gpr-randomize-fields-to-its-own-page.php: Added snippet to randomize fields to its own page.

gp-randomizer/gpr-randomize-fields-to-its-own-page.php

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+<?php
+/**
+ * Gravity Perks // Randomizer // Randomize Fields to Its Own Page
+ * https://gravitywiz.com/documentation/gravity-forms-randomizer/
+ *
+ * Use this snippet to randomize fields within their respective pages.
+ *
+ * See video: https://www.loom.com/share/2dd4f3c6995349ae91d4b88f3990294b
+ */
+add_filter( 'gpr_filtered_fields', function( $filtered_fields, $form ) {
+
+	$feed_id = gp_randomizer()->get_default_feed_id( $form['id'] );
+	$settings = rgar( gp_randomizer()->get_feed( $feed_id ), 'meta', array() );
+
+	if ( ! $settings['display_count'] ) {
+		$filtered_fields = randomize_fields_within_pages( $form['fields'] );
+	} else {
+		$filtered_fields = arrange_fields_by_page( $form['fields'], $filtered_fields );
+	}
+	return $filtered_fields;
+}, 10, 2 );
+
+function arrange_fields_by_page( $fields_backup, $filtered_fields ) {
+	$filtered_map = array();
+	foreach ( $filtered_fields as $field ) {
+		$filtered_map[ $field->id ] = $field;
+	}
+
+	$result   = array();
+	$used_ids = array();
+
+	foreach ( $fields_backup as $field ) {
+		if ( $field->type === 'page' ) {
+			$result[] = $field;
+		} elseif ( isset( $filtered_map[ $field->id ] ) ) {
+			$result[] = $filtered_map[ $field->id ];
+
+			$used_ids[] = $field->id;
+		}
+	}
+
+	foreach ( $filtered_fields as $field ) {
+		if ( ! in_array( $field->id, $used_ids, true ) && $field->type !== 'page' ) {
+			$result[] = $field;
+		}
+	}
+
+	// Clean up redundant pages
+	$cleaned_result = array();
+	$prev_is_page   = false;
+
+	foreach ( $result as $field ) {
+		if ( $field->type === 'page' ) {
+			if ( $prev_is_page ) {
+				continue; // Skip consecutive page
+			}
+			$prev_is_page = true;
+		} else {
+			$prev_is_page = false;
+		}
+		$cleaned_result[] = $field;
+	}
+
+	// Remove leading page
+	if ( isset( $cleaned_result[0] ) && $cleaned_result[0]->type === 'page' ) {
+		array_shift( $cleaned_result );
+	}
+
+	// Remove trailing page
+	if ( ! empty( $cleaned_result ) && end( $cleaned_result )->type === 'page' ) {
+		array_pop( $cleaned_result );
+	}
+
+	return $cleaned_result;
+}
+
+function randomize_fields_within_pages( $fields ) {
+	$result        = array();
+	$current_group = array();
+
+	foreach ( $fields as $field ) {
+		if ( $field->type === 'page' ) {
+			// Shuffle current group and add to result.
+			shuffle( $current_group );
+			$result        = array_merge( $result, $current_group );
+			$result[]      = $field; // Add the page marker.
+			$current_group = array(); // Start new group.
+		} else {
+			$current_group[] = $field;
+		}
+	}
+
+	// Add any remaining fields in the last group.
+	if ( ! empty( $current_group ) ) {
+		shuffle( $current_group );
+		$result = array_merge( $result, $current_group );
+	}
+
+	return $result;
+}