Everywhere: Add initial cut of the blogging functionality

app/controllers/BlogController.php

@@ -0,0 +1,63 @@
+<?php
+
+namespace App\Controllers;
+
+use App\Model\BlogModel;
+
+class BlogController extends PageController {
+
+	public function indexAction(): void
+	{
+		$query = $this->router->request()->param('search', '');
+		$posts = $this->search($query);
+
+		$this->defineHelpers();
+
+		$this->router->service()->search = $query;
+		$this->router->service()->posts = $posts;
+		$this->router->service()->injectView = $this->views . '/partials/blog-posts.php';
+		parent::view('blog', 'Hello');
+	}
+
+	public function searchAction(): void
+	{
+		$query = $this->router->request()->param('query', '');
+		$posts = $this->search($query);
+
+		$this->defineHelpers();
+
+		$this->router->service()->posts = $posts;
+		$this->router->service()->partial($this->views . '/partials/blog-posts.php', $posts);
+	}
+
+	//-------------------------------------//
+
+	private function search(string $query): ?array
+	{
+		return BlogModel::selectAll(
+			'blog_post.*, media.filename, media.extension, page.page, section.section, log.created_at', '
+				LEFT JOIN media ON blog_post.media_id = media.id
+				LEFT JOIN page ON blog_post.page_id = page.id
+				LEFT JOIN section ON page.section_id = section.id
+				LEFT JOIN log ON blog_post.log_id = log.id
+				WHERE blog_post.archived = 0 AND
+				(blog_post.title LIKE :query OR blog_post.tag LIKE :query)
+			', [[':query', "%$query%", \PDO::PARAM_STR]]);
+	}
+
+	private function defineHelpers(): void
+	{
+		$this->router->service()->prettyTimestamp = function (string $timestamp): string {
+			$date = date_create($timestamp);
+			$date = date_format($date, 'd M Y');
+			return "<u class=\"text-decoration-none text-reset\" title=\"{$timestamp}\">{$date}</u>";
+		};
+
+		$this->router->service()->tags = function (string $tags): array {
+			// Remove empty elements via array_filter()
+			return array_filter(explode(':', $tags));
+		};
+	}
+
+
+}