Added support for post relations

config.ini

@@ -20,6 +20,7 @@ thumbHeight=150
 thumbStyle=outside
 endlessScrollingDefault=1
 maxSearchTokens=4
+maxRelatedPosts=50
 
 [comments]
 minLength = 5
@@ -65,6 +66,8 @@ editPostSafety.all=moderator
 editPostTags=registered
 editPostThumb=moderator
 editPostSource=moderator
+editPostRelations.own=registered
+editPostRelations.all=moderator
 hidePost.own=moderator
 hidePost.all=moderator
 deletePost.own=moderator

public_html/media/css/post-view.css

@@ -16,6 +16,7 @@ embed {
 	background: url('../img/bk-swf.png') lemonchiffon;
 }
 
+#sidebar .relations ul,
 #sidebar .tags ul {
 	list-style-type: none;
 	margin: 0;

src/Bootstrap.php

@@ -56,6 +56,7 @@ class Bootstrap
 			$this->context->transport->errorMessage = rtrim($e->getMessage(), '.') . '.';
 			$this->context->transport->errorHtml = TextHelper::parseMarkdown($this->context->transport->errorMessage, true);
 			$this->context->transport->exception = $e;
+			$this->context->transport->queries = array_map(function($x) { return preg_replace('/\s+/', ' ', $x); }, queryLogger()->getLogs());
 			$this->context->transport->success = false;
 			$this->context->viewName = 'error-exception';
 			(new \Chibi\View())->renderFile($this->context->layoutName);

src/Controllers/PostController.php

@@ -407,7 +407,28 @@ class PostController
 				$edited = true;
 			}
 
+
+			/* relations */
+			$suppliedRelations = InputHelper::get('relations');
+			if ($suppliedRelations !== null)
+			{
+				PrivilegesHelper::confirmWithException(Privilege::EditPostRelations, PrivilegesHelper::getIdentitySubPrivilege($post->uploader));
+				$relatedIds = array_filter(preg_split('/\D/', $suppliedRelations));
+				$relatedPosts = [];
+				foreach ($relatedIds as $relatedId)
+				{
+					if ($relatedId == $post->id)
+						continue;
+					if (count($relatedPosts) > $this->config->browsing->maxRelatedPosts)
+						throw new SimpleException('Too many related posts (maximum: ' . $this->config->browsing->maxRelatedPosts . ')');
+					$relatedPosts []= Model_Post::locate($relatedId);
+				}
+				$post->via('crossref')->sharedPost = $relatedPosts;
+			}
+
 			R::store($post);
+
+
 			$this->context->transport->success = true;
 		}
 	}
@@ -551,7 +572,6 @@ class PostController
 	{
 		$post = Model_Post::locate($id);
 		R::preload($post, [
-			'favoritee' => 'user',
 			'uploader' => 'user',
 			'tag',
 			'comment',

src/Models/Privilege.php

@@ -10,6 +10,7 @@ class Privilege extends Enum
 	const EditPostTags = 7;
 	const EditPostThumb = 8;
 	const EditPostSource = 26;
+	const EditPostRelations = 30;
 	const HidePost = 9;
 	const DeletePost = 10;
 	const FeaturePost = 25;

src/Upgrades/Upgrade3.sql

@@ -0,0 +1,10 @@
+CREATE TABLE crossref
+(
+	id INTEGER PRIMARY KEY AUTOINCREMENT,
+	post_id INTEGER,
+	post2_id INTEGER,
+	FOREIGN KEY(post_id) REFERENCES post(id) ON DELETE CASCADE ON UPDATE SET NULL,
+	FOREIGN KEY(post2_id) REFERENCES post(id) ON DELETE CASCADE ON UPDATE SET NULL
+);
+CREATE INDEX idx_fk_crossref_post_id ON crossref(post_id);
+CREATE INDEX idx_fk_crossref_post2_id ON crossref(post2_id);

src/Views/post-edit.phtml

@@ -27,6 +27,13 @@
 		</div>
 	<?php endif ?>
 
+	<?php if (PrivilegesHelper::confirm(Privilege::EditPostRelations, PrivilegesHelper::getIdentitySubPrivilege($this->context->transport->post->uploader))): ?>
+		<div class="thumb">
+			<label class="left" for="relations">Relations:</label>
+			<div class="input-wrapper"><input type="text" name="relations" id="relations" placeholder="id1,id2,&hellip;" value="<?php echo join(',', array_map(function($post) { return $post->id; }, $this->context->transport->post->via('crossref')->sharedPost)) ?>"/></div>
+		</div>
+	<?php endif ?>
+
 	<?php if (PrivilegesHelper::confirm(Privilege::EditPostThumb, PrivilegesHelper::getIdentitySubPrivilege($this->context->transport->post->uploader))): ?>
 		<div class="thumb">
 			<label class="left" for="thumb">Thumb:</label>

src/Views/post-view.phtml

@@ -132,6 +132,21 @@
 		<?php endif ?>
 	</div>
 
+	<?php if (count($this->context->transport->post->via('crossref')->sharedPost)): ?>
+		<div class="relations unit">
+			<h1>related</h1>
+			<ul>
+				<?php foreach ($this->context->transport->post->via('crossref')->sharedPost as $relatedPost): ?>
+					<li>
+						<a href="<?php echo \Chibi\UrlHelper::route('post', 'view', ['id' => $relatedPost->id]) ?>">
+							@<?php echo $relatedPost->id ?>
+						</a>
+					</li>
+				<?php endforeach ?>
+			</ul>
+		</div>
+	<?php endif ?>
+
 	<div class="unit options">
 		<h1>options</h1>