From 2127b1bdd73ecd2423e443992da4b442f5a3c1a3 Mon Sep 17 00:00:00 2001
From: Jake Vanderwerf <get@jakevanderwerf.ca>
Date: Wed, 04 Feb 2026 21:19:25 +0000
Subject: [PATCH] =Major overhaul of MetaManager.php -> Meta.php and RestRouteManager.php -> Rest.php. Seems to work for JakeVan

---
 inc/managers/queue/executors/ContentExecutor.php |  774 ++++++++++++++++++++++++++---------------------------------
 1 files changed, 345 insertions(+), 429 deletions(-)

diff --git a/inc/managers/queue/executors/ContentExecutor.php b/inc/managers/queue/executors/ContentExecutor.php
index c53f4a7..7d4db57 100644
--- a/inc/managers/queue/executors/ContentExecutor.php
+++ b/inc/managers/queue/executors/ContentExecutor.php
@@ -1,9 +1,8 @@
 <?php
 namespace JVBase\managers\queue\executors;
 
-use JVBase\managers\CacheManager;
-use JVBase\managers\queue\{Executor, Operation, Progress, Result};
-use JVBase\meta\MetaManager;
+use JVBase\managers\queue\{Executor, Operation, Progress, Result, Storage};
+use JVBase\meta\Meta;
 use JVBase\utility\Features;
 use Exception;
 
@@ -19,34 +18,29 @@
 {
 	private const HANDLED_TYPES = [
 		'content_update',
-		'batch_creation',
+//		'batch_creation',
 	];
 
 	private int $userId;
 	private string $postType;
 	private array $fields = [];
-	private array $timelineSharedFields = [];
-	private array $timelineUniqueFields = [];
 
 	public function execute(Operation $operation, Progress $progress): Result
 	{
+		$this->userId = $operation->userId;
+
 		if (!in_array($operation->type, self::HANDLED_TYPES)) {
 			throw new Exception("ContentExecutor cannot handle type: {$operation->type}");
 		}
 
-		$this->userId = $operation->userId;
-
 		try {
 			$data = $operation->requestData;
 
-			$result = match($operation->type) {
+			return match($operation->type) {
 				'content_update'  => $this->processContentUpdate($operation, $data, $progress),
-				'batch_creation'  => $this->processBatchCreation($operation, $data, $progress),
 				default           => throw new Exception("Unknown type: {$operation->type}")
 			};
 
-			return $result;
-
 		} catch (Exception $e) {
 			JVB()->error()->log(
 				'[ContentExecutor]:execute',
@@ -82,23 +76,14 @@
 
 		$results = [];
 		$errors = [];
+		$timelineParents = [];
+		$timelineStatus = [];
+		$timelineSharedFields = [];
 
 		foreach ($posts as $id => $postData) {
 			try {
 				$content = $postData['content'] ?? '';
 
-				// Timeline posts
-				if (Features::forContent($content)->has('is_timeline') && isset($postData['timeline'])) {
-					$parentId = (int)$id;
-					if ($parentId === 0) {
-						$progress->failItem($id, 'Invalid parent post ID for timeline');
-						continue;
-					}
-					$results[$id] = $this->processTimelinePost($parentId, $postData);
-					$progress->advance(1);
-					continue;
-				}
-
 				// New post creation
 				if (str_starts_with((string)$id, 'new')) {
 					$newId = wp_insert_post([
@@ -114,82 +99,109 @@
 					}
 
 					$this->savePostFields($newId, $postData);
-					$results[$id] = ['success' => true, 'new_id' => $newId];
-					$progress->advance(1);
+					$results[$id] = [
+						'success' => true,
+						'new_id' => $newId,
+						'processed_fields' => array_keys($postData)
+					];
+					$progress->advance();
 					continue;
 				}
 
 				// Existing post update
 				if (!$this->verifyOwnership((int)$id)) {
 					$progress->failItem($id, 'No permission to modify this post');
+					$errors[$id] = 'No permission';
 					continue;
 				}
 
-				$this->processPostUpdate((int)$id, $postData);
-				$results[$id] = ['success' => true];
-				$progress->advance(1);
+				$this->savePostFields((int)$id, $postData);
 
-				// Clear caches
-				CacheManager::for($content)->clear();
-				if (jvbSiteUsesFeedBlock()) {
-					CacheManager::for('feed')->clear();
+
+				if (Features::forContent($content)->has('is_timeline')) {
+					$post = get_post((int)$id);
+					$parentId = $post->post_parent > 0 ? $post->post_parent : $post->ID;
+					$sharedFields = array_keys(array_filter(JVB_CONTENT[$content]['fields'], function ($field) {
+						return !array_key_exists('for_all', $field) || !$field['for_all'];
+					}));
+
+					if (array_key_exists('post_date', $postData) && !in_array($parentId, $timelineParents)) {
+						$timelineParents[] = $parentId;
+					}
+					if ($parentId === $id) {
+						if (array_key_exists('post_status', $postData) && !array_key_exists($parentId, $timelineStatus)) {
+							$timelineStatus[$parentId] = $postData['post_status'];
+						}
+
+						if (count(array_intersect($sharedFields, array_keys($postData))) > 0) {
+							if (!array_key_exists($parentId, $timelineSharedFields)) {
+								$timelineSharedFields[$parentId] = [];
+							}
+							$temp = array_intersect($sharedFields, array_keys($postData));
+							$timelineSharedFields[$parentId] = array_unique(array_merge($timelineSharedFields[$parentId], $temp));
+						}
+					}
 				}
+				$results[$id] = [
+					'success' => true,
+					'processed_fields' => array_keys($postData)
+				];
+				$progress->advance();
 
 			} catch (Exception $e) {
 				$progress->failItem($id, $e->getMessage());
 				$errors[$id] = $e->getMessage();
+				$results[$id] = [
+					'success' => false,
+					'error' => $e->getMessage()
+				];
 			}
 		}
 
-		// Send notification
-		if (jvbSiteHasNotifications()) {
-			JVB()->notification()->addNotification(
-				$this->userId,
-				'content_update_complete',
-				null,
-				'Content updates completed!'
-			);
+		try {
+			if (!empty($timelineSharedFields)) {
+				$this->checkSharedFields($timelineSharedFields);
+			}
+			if (!empty($timelineStatus)) {
+				$this->handleTimelineStatusChange($timelineStatus);
+			}
+			if (!empty($timelineParents)) {
+				$this->maybeReorderTimelines($timelineParents);
+			}
+		} catch (Exception $e) {
+			$errors[] = $e->getMessage();
 		}
 
+
+		// Send notification
+//		if (jvbSiteHasNotifications()) {
+//			JVB()->notification()->addNotification(
+//				$this->userId,
+//				'content_update_complete',
+//				null,
+//				'Content updates completed!'
+//			);
+//		}
+
 		$outcome = 'success';
 		if (!empty($errors)) {
 			$outcome = count($errors) === count($posts) ? 'failed' : 'partial';
 		}
 
+
+
+
 		return new Result(
 			outcome: $outcome,
-			result: $results
+			result: [
+				'posts' => $results,
+				'errors' => $errors,
+				'updated_count' => count(array_filter($results, fn($r) => $r['success'] ?? false)),
+				'failed_count' => count($errors)
+			]
 		);
 	}
 
-	private function processPostUpdate(int $postId, array $postData): void
-	{
-		$content = $postData['content'] ?? '';
-
-		// Handle status changes
-		if (isset($postData['post_status'])) {
-			switch ($postData['post_status']) {
-				case 'publish':
-					if (user_can($this->userId, 'manage_options') || user_can($this->userId, 'skip_moderation')) {
-						wp_update_post(['ID' => $postId, 'post_status' => 'publish']);
-					}
-					unset($postData['post_status']);
-					break;
-				case 'draft':
-					wp_update_post(['ID' => $postId, 'post_status' => 'draft']);
-					break;
-				case 'trash':
-					wp_trash_post($postId);
-					return;
-				case 'delete':
-					wp_delete_post($postId, true);
-					return;
-			}
-		}
-
-		$this->savePostFields($postId, $postData);
-	}
-
 	private function savePostFields(int $postId, array $postData): bool
 	{
 		$content = $postData['content'] ?? '';
@@ -203,378 +215,282 @@
 			return true;
 		}
 
-		$meta = new MetaManager($postId, 'post');
-		return $meta->setAll($allowedFields);
-	}
-
-	// ─────────────────────────────────────────────────────────────
-	// Batch Creation
-	// ─────────────────────────────────────────────────────────────
-
-	private function processBatchCreation(Operation $operation, array $data, Progress $progress): Result
-	{
-		$this->postType = BASE . $data['content'];
-
-		// Get upload results from dependency
-		$uploadOpId = $operation->id . '_upload';
-		$images = JVB()->queue()->get($uploadOpId)?->result ?? null;
-
-		if (!$images) {
-			return new Result(
-				outcome: 'failed',
-				result: ['message' => 'No upload results found']
-			);
-		}
-
-		$results = [];
-
-		if ($data['mode'] === 'selection') {
-			$results = $this->createFromSelection($operation, $data, $images, $progress);
-		} else {
-			$results = $this->createFromDirect($operation, $data, $images, $progress);
-		}
-
-		// Clear caches
-		CacheManager::for($data['content'])->clear();
-		CacheManager::for('feed')->clear();
-
-		return new Result(
-			outcome: !empty($results) ? 'success' : 'failed',
-			result: $results
-		);
-	}
-
-	private function createFromSelection(Operation $operation, array $data, array $images, Progress $progress): array
-	{
-		$results = [];
-
-		foreach ($images as $group => $files) {
-			$settings = json_decode($data['files_data'][$group] ?? '{}');
-
-			if (($settings->type ?? '') === 'group') {
-				$postId = $this->createGroupPost($operation, $data, $files, $settings);
-			} else {
-				$postId = $this->createIndividualPosts($operation, $data, $files);
-			}
-
-			if ($postId) {
-				$results = array_merge($results, (array)$postId);
-			}
-
-			$progress->advance(1);
-		}
-
-		return $results;
-	}
-
-	private function createFromDirect(Operation $operation, array $data, array $images, Progress $progress): array
-	{
-		$results = [];
-
-		foreach ($images as $img) {
-			$postId = wp_insert_post([
-				'post_type'   => $this->postType,
-				'post_title'  => $this->generatePostTitle($data['content']),
-				'post_status' => 'draft',
-				'post_author' => $operation->userId,
-			]);
-
-			if ($postId && !is_wp_error($postId)) {
-				set_post_thumbnail($postId, $img['attachment_id']);
-				$results[] = $postId;
-			}
-
-			$progress->advance(1);
-		}
-
-		return $results;
-	}
-
-	private function createGroupPost(Operation $operation, array $data, array $files, object $settings): ?int
-	{
-		$featuredIndex = $settings->metadata->featuredFile ?? 0;
-		$title = $settings->metadata->title ?? $this->generatePostTitle($data['content']);
-
-		$postId = wp_insert_post([
-			'post_type'   => $this->postType,
-			'post_title'  => $title,
-			'post_status' => 'draft',
-			'post_author' => $operation->userId,
-		]);
-
-		if (!$postId || is_wp_error($postId)) {
-			return null;
-		}
-
-		// Set featured image
-		set_post_thumbnail($postId, $files[$featuredIndex]['attachment_id']);
-
-		// Remaining files go to gallery
-		unset($files[$featuredIndex]);
-		if (!empty($files)) {
-			$meta = new MetaManager($postId, 'post');
-			$ids = array_column($files, 'attachment_id');
-			$meta->updateValue('gallery', implode(',', $ids));
-		}
-
-		return $postId;
-	}
-
-	private function createIndividualPosts(Operation $operation, array $data, array $files): array
-	{
-		$results = [];
-
-		foreach ($files as $img) {
-			$postId = wp_insert_post([
-				'post_type'   => $this->postType,
-				'post_title'  => $this->generatePostTitle($data['content']),
-				'post_status' => 'draft',
-				'post_author' => $operation->userId,
-			]);
-
-			if ($postId && !is_wp_error($postId)) {
-				set_post_thumbnail($postId, $img['attachment_id']);
-				$results[] = $postId;
-			}
-		}
-
-		return $results;
-	}
-
-	// ─────────────────────────────────────────────────────────────
-	// Timeline Processing
-	// ─────────────────────────────────────────────────────────────
-
-	private function processTimelinePost(int $parentId, array $postData): array
-	{
-		if (!$this->verifyOwnership($parentId)) {
-			return ['success' => false, 'message' => 'No permission'];
-		}
-
-		$content = $postData['content'];
-		$this->initTimelineFields($content);
-
-		$parentPost = get_post($parentId);
-		$parentIsPublished = ($parentPost->post_status === 'publish');
-
-		// Extract shared data (excluding post_thumbnail)
-		$sharedData = array_filter($postData, function ($key) {
-			return in_array($key, $this->timelineSharedFields)
-				&& !in_array($key, ['content', 'user'])
-				&& $key !== 'post_thumbnail';
-		}, ARRAY_FILTER_USE_KEY);
-
-		if (!isset($sharedData['post_title']) && isset($postData['timeline'][0]['post_title'])) {
-			$sharedData['post_title'] = $postData['timeline'][0]['post_title'];
-		}
-
-		if (!isset($postData['timeline']) || !is_array($postData['timeline'])) {
-			return ['success' => false, 'message' => 'No timeline data'];
-		}
-
-		// Validate parent is in timeline
-		$index = array_search((string)$parentId, array_column($postData['timeline'], 'id'));
-		if ($index === false) {
-			return ['success' => false, 'message' => 'Missing parent id'];
-		}
-
-		// Handle parent reordering if needed
-		if ($index !== 0) {
-			$parentId = $this->reorderTimelineParent($parentId, $postData['timeline'], $index);
-			$parentPost = get_post($parentId);
-			$parentIsPublished = ($parentPost->post_status === 'publish');
-		}
-
-		// Shared taxonomies (excluding title and thumbnail)
-		$sharedTaxonomies = array_filter($sharedData, function ($key) {
-			return !in_array($key, ['post_title', 'post_thumbnail']);
-		}, ARRAY_FILTER_USE_KEY);
-
-		$existingChildren = get_children([
-			'post_parent'  => $parentId,
-			'orderby'      => 'menu_order',
-			'post_status'  => ['publish', 'draft'],
-			'fields'       => 'ids',
-		]);
-
-		$errors = [];
-		$success = [];
-
-		foreach ($postData['timeline'] as $order => $timeline) {
-			$result = $this->processTimelineEntry(
-				$timeline,
-				$order,
-				$parentId,
-				$parentIsPublished,
-				$sharedTaxonomies,
-				$existingChildren,
-				$content
-			);
-
-			if ($result['success']) {
-				$success[] = $result;
-				if (isset($result['child_id']) && in_array($result['child_id'], $existingChildren)) {
-					unset($existingChildren[array_search($result['child_id'], $existingChildren)]);
-				}
-			} else {
-				$errors[] = $result;
-			}
-		}
-
-		// Trash orphaned children
-		foreach ($existingChildren as $orphanId) {
-			wp_trash_post($orphanId);
-		}
-
-		return [
-			'success' => empty($errors),
-			'updated' => count($success),
-			'errors'  => $errors,
-		];
-	}
-
-	private function processTimelineEntry(
-		array $timeline,
-		int $order,
-		int $parentId,
-		bool $parentIsPublished,
-		array $sharedTaxonomies,
-		array &$existingChildren,
-		string $content
-	): array {
-		$isParent = ((int)($timeline['id'] ?? 0) === $parentId);
-
-		// Get unique fields for this entry
-		$allowedFields = array_filter($timeline, function ($key) {
-			return in_array($key, $this->timelineUniqueFields) && !in_array($key, ['content', 'user']);
-		}, ARRAY_FILTER_USE_KEY);
-
-		// Determine title
-		$providedTitle = $timeline['post_title'] ?? '';
-		$autoPattern = '/^.+Treatment #?\d+$/';
-
-		if ($isParent) {
-			$allowedFields['post_title'] = $providedTitle ?: ($sharedTaxonomies['post_title'] ?? get_post($parentId)->post_title);
-		} else {
-			if (empty($providedTitle) || preg_match($autoPattern, $providedTitle)) {
-				$allowedFields['post_title'] = 'Treatment ' . $order;
-			} else {
-				$allowedFields['post_title'] = $providedTitle;
-			}
-		}
-
-		$allowedFields = array_merge($sharedTaxonomies, $allowedFields);
-
-		// Create child if needed
-		$childId = $timeline['id'] ?? null;
-		if (!$childId || !is_numeric($childId)) {
-			$childId = wp_insert_post([
-				'post_author' => $this->userId,
-				'post_type'   => jvbCheckBase($content),
-				'post_title'  => $allowedFields['post_title'],
-				'post_parent' => $parentId,
-				'menu_order'  => $order,
-				'post_status' => $parentIsPublished ? 'publish' : 'draft',
-			]);
-
-			if (!$childId || is_wp_error($childId)) {
-				return ['success' => false, 'message' => 'Could not create child post'];
-			}
-		}
-
-		// Update post
-		$postUpdates = ['ID' => $childId];
-		if (!$isParent) {
-			$postUpdates['menu_order'] = $order;
-			if ($parentIsPublished) {
-				$currentPost = get_post($childId);
-				if ($currentPost && $currentPost->post_status !== 'publish') {
-					$postUpdates['post_status'] = 'publish';
-				}
-			}
-		}
-
-		if (isset($allowedFields['post_title'])) {
-			$postUpdates['post_title'] = $allowedFields['post_title'];
-			unset($allowedFields['post_title']);
-		}
-
-		wp_update_post($postUpdates);
-
-		// Save meta fields
-		if (!empty($allowedFields)) {
-			$meta = new MetaManager($childId, 'post');
-			$meta->setAll($allowedFields);
-		}
-
-		return ['success' => true, 'child_id' => $childId];
-	}
-
-	private function reorderTimelineParent(int $currentParentId, array $timeline, int $currentIndex): int
-	{
-		$newParentId = $timeline[0]['id'] ?? null;
-
-		if (!is_numeric($newParentId) || (int)$newParentId <= 0) {
-			return $currentParentId;
-		}
-
-		$newParentId = (int)$newParentId;
-
-		// Make new parent a top-level post
-		wp_update_post(['ID' => $newParentId, 'post_parent' => 0]);
-
-		// Make old parent a child
-		wp_update_post(['ID' => $currentParentId, 'post_parent' => $newParentId]);
-
-		// Move existing children to new parent
-		$existingChildren = get_children(['post_parent' => $currentParentId, 'fields' => 'ids']);
-		foreach ($existingChildren as $childId) {
-			if ($childId !== $newParentId) {
-				wp_update_post(['ID' => $childId, 'post_parent' => $newParentId]);
-			}
-		}
-
-		return $newParentId;
+		$meta = Meta::forPost($postId);
+		$meta->setAll($allowedFields);
+		return true;
 	}
 
 	// ─────────────────────────────────────────────────────────────
 	// Helpers
 	// ─────────────────────────────────────────────────────────────
 
-	private function initTimelineFields(string $content): void
-	{
-		$content = jvbNoBase($content);
-		if (!Features::forContent($content)->has('is_timeline')) {
-			return;
-		}
-
-		$config = Features::getConfig($content);
-		$this->fields = $config['fields'] ?? [];
-
-		// Shared fields (apply to all posts)
-		$this->timelineSharedFields = array_keys(array_filter($this->fields, function ($field) {
-			return !isset($field['for_all']) || $field['for_all'] === false;
-		}));
-		array_unshift($this->timelineSharedFields, 'post_thumbnail', 'post_title', 'post_status');
-
-		// Unique fields (per-entry)
-		$this->timelineUniqueFields = array_keys(array_filter($this->fields, function ($field) {
-			return isset($field['for_all']) && $field['for_all'] === true;
-		}));
-	}
-
 	private function verifyOwnership(int $postId): bool
 	{
 		$post = get_post($postId);
 		return $post && (int)$post->post_author === $this->userId;
 	}
 
-	private function generatePostTitle(string $content): string
+	/*************************************************************
+	 * TIMELINE HELPERS
+	 *************************************************************/
+	protected function maybeReorderTimelines(array $parentIDs):void {
+		foreach ($parentIDs as $parentId) {
+			try {
+				$this->maybeReorderTimeline((int)$parentId);
+			} catch (Exception $e) {
+				error_log("Timeline reorder failed for parent {$parentId}: " . $e->getMessage());
+			}
+		}
+	}
+	protected function maybeReorderTimeline(int $parentID):void
 	{
-		$username = get_user_meta($this->userId, 'first_name', true);
-		$link = get_user_meta($this->userId, BASE . 'link', true);
-		$city = function_exists('jvbArtistCity') ? jvbArtistCity($link) : '';
+//		clean_post_cache($parentID);
+		$parent = get_post($parentID);
+		if (!$parent) {
+			return;
+		}
 
-		return ucfirst($content) . ' by ' . ($city ? "$city artist " : '') . $username;
+		$children = get_children([
+			'post_parent' => $parentID,
+			'posts_per_page' => -1,
+			'post_status' => ['publish', 'draft'],
+		]);
+
+
+		if (count($children) === 0) {
+			return;
+		}
+
+		$allPosts = array_merge([$parent], $children);
+
+		// Sort by post_date
+		usort($allPosts, function($a, $b) {
+			return strtotime($a->post_date) <=> strtotime($b->post_date);
+		});
+
+
+		// Check if order changed
+		$needsReorder = false;
+		foreach ($allPosts as $index => $post) {
+			if ($index === 0 && $post->ID !== $parent->ID) {
+				$needsReorder = true;
+				break;
+			}
+			if ($index > 0 && (int)$post->menu_order !== $index) {
+				$needsReorder = true;
+				break;
+			}
+		}
+
+		if (!$needsReorder) {
+			// Just recalculate timelines without reordering
+			$this->recalculateTimelines($allPosts);
+			return;
+		}
+
+		// Handle parent swap if needed
+		$newParent = $allPosts[0];
+		if ($newParent->ID !== $parent->ID) {
+			$this->swapTimelineParent($parent, $newParent, $allPosts);
+		} else {
+			// Just update menu orders and timelines
+			foreach ($allPosts as $index => $post) {
+				if ($index === 0) continue; // Skip parent
+
+				$success = jvb_update_post([
+					'ID' => $post->ID,
+					'post_parent'	=> $newParent->ID,
+					'menu_order' => $index
+				]);
+			}
+
+			$this->recalculateTimelines($allPosts);
+		}
+	}
+
+	private function recalculateTimelines(array $posts): void
+	{
+		$previousPost = null;
+		$latestTimestamp = 0;
+
+
+		$lastKey = array_key_last($posts);
+		foreach ($posts as $index => $post) {
+			$meta = Meta::forPost($post->ID);
+			if ($index === 0) {
+				$meta->set('timeline', '', false);
+				$previousPost = $post;
+				continue; // Parent has no timeline
+			}
+
+			// Calculate timeline from previous post
+			if ($previousPost) {
+				$timeline = $this->calculateTimeline($previousPost, $post);
+				if ($timeline) {
+					$termId = $this->getOrCreateTerm($timeline, 'timeline');
+					if ($termId) {
+						$success = $meta->set('timeline', $termId, false);
+					}
+				}
+			}
+
+			if ($lastKey === $index) {
+				$latestTimestamp = strtotime($post->post_date);
+			}
+
+			$previousPost = $post;
+		}
+
+		// Update parent's latest_date
+		if ($latestTimestamp > 0) {
+			$success = update_post_meta($posts[0]->ID, BASE . 'latest_date', $latestTimestamp);
+		}
+	}
+
+	private function calculateTimeline(\WP_POST $previous, \WP_POST $current): ?string
+	{
+		$previousDate = strtotime($previous->post_date);
+		$currentDate = strtotime($current->post_date);
+
+		if (!$previousDate || !$currentDate || $currentDate <= $previousDate) {
+			return null;
+		}
+
+		$daysDiff = floor(($currentDate - $previousDate) / (60*60*24));
+		$weeks = floor($daysDiff / 7);
+		if ($weeks === 0) {
+			return 'Less than 1 Week';
+		}
+		if ($weeks < 16) {
+			return $weeks === 1 ? '1 Week' : $weeks . ' Weeks';
+		}
+
+		$previousDateTime = new \DateTime($previous->post_date);
+		$currentDateTime = new \DateTime($current->post_date);
+
+		$interval = $previousDateTime->diff($currentDateTime);
+		$months = ($interval->y * 12) + $interval->m;
+
+		if ($months === 0) {
+			return $weeks . ' Weeks';
+		}
+
+		return ($months === 1) ? '1 Month' : $months . ' Months';
+	}
+
+	private function swapTimelineParent(\WP_Post $oldParent, \WP_Post $newParent, array $allPosts): void
+	{
+		// Swap titles and content
+		$originalTitle = $oldParent->post_title;
+		$originalSlug = $oldParent->post_name;
+		$originalContent = $oldParent->post_content;
+
+		$updateParent = jvb_update_post([
+			'ID' => $oldParent->ID,
+			'post_title' => 'Treatment',
+			'post_name' => sanitize_title('Treatment ' . $newParent->ID),
+			'post_content' => '',
+		]);
+
+		$updateNewParent = jvb_update_post([
+			'ID' => $newParent->ID,
+			'post_title' => $originalTitle,
+			'post_name' => $originalSlug,
+			'post_content' => $originalContent,
+			'post_parent' => 0,
+			'menu_order' => 0
+		]);
+
+		// Clear timeline taxonomy from new parent
+		wp_set_object_terms($newParent->ID, [], BASE . 'timeline', false);
+
+		// Update all other posts to new parent
+		foreach ($allPosts as $index => $post) {
+			if ($index === 0) continue; // Skip new parent
+
+			$title = $post->post_title;
+			if (str_starts_with($title, 'Treatment #')) {
+				$title = 'Treatment #' . $index;
+			}
+
+			$childUpdate = jvb_update_post([
+				'ID' => $post->ID,
+				'post_title' => $title,
+				'post_parent' => $newParent->ID,
+				'menu_order' => $index,
+			]);
+		}
+
+		// Recalculate timelines for all posts
+		$this->recalculateTimelines($allPosts);
+	}
+
+	private function getOrCreateTerm(string $termName, string $taxonomy): ?int
+	{
+		$taxonomy = jvbCheckBase($taxonomy);
+		$term = get_term_by('name', $termName, $taxonomy);
+
+		if (!$term) {
+			$result = wp_insert_term($termName, $taxonomy);
+			if (is_wp_error($result)) {
+				return null;
+			}
+			return $result['term_id'];
+		}
+
+		return $term->term_id;
+	}
+
+	protected function checkSharedFields(array $fields): void
+	{
+		foreach ($fields as $parentID => $shared) {
+			$meta = Meta::forPost($parentID);
+			$values = $meta->getAll($shared);
+
+			$children = get_children([
+				'post_parent' => $parentID,
+				'posts_per_page' => -1,
+				'fields' => 'ids',
+			]);
+
+			if (empty($children)) {
+				continue;
+			}
+
+			foreach ($children as $child) {
+				$childMeta = Meta::forPost($child);
+				$result = $childMeta->setAll($values, false);
+			}
+		}
+	}
+
+	protected function handleTimelineStatusChange(array $updates):void
+	{
+		$updates = array_filter($updates, function ($status) {
+			return in_array($status, ['trash', 'delete', 'publish', 'draft']);
+		});
+
+		foreach ($updates as $parentID => $status) {
+			$children = get_children([
+				'post_parent'	=> $parentID,
+				'posts_per_page' => -1,
+				'fields'	=> 'ids'
+			]);
+			if (!empty($children)) {
+				foreach($children as $child) {
+					if ($status === 'trash') {
+						wp_trash_post($child);
+					} elseif ($status === 'delete') {
+						wp_delete_post($child, true);
+					}else {
+						jvb_update_post([
+							'ID'	=> $child,
+							'post_status'	=> $status
+						]);
+					}
+
+				}
+			}
+		}
 	}
 }

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