feat: ✨ add backend for uploading files

www/.htaccess

@@ -1,6 +1,9 @@
 
 AddType text/plain .md
 
+php_value upload_max_filesize 40M
+php_value post_max_size 42M
+
 RewriteEngine On
 RewriteBase /
 

www/mysql_adapter.php

@@ -4,16 +4,19 @@ use Spatie\YamlFrontMatter\YamlFrontMatter;
 
 class MySQLAdapter {
 	public $raw;
+	public $data_directory;
 
 	function __construct() {
 		$this->raw = mysqli_connect('mysql', 'root', 'example', 'dragon_fire');
 
+		$this->data_directory = 'raw';
+
 		if (!$this->raw)
 		{
-		echo 'Connection failed<br>';
+			echo 'Connection failed<br>';
-		echo 'Error number: ' . mysqli_connect_errno() . '<br>';
+			echo 'Error number: ' . mysqli_connect_errno() . '<br>';
-		echo 'Error message: ' . mysqli_connect_error() . '<br>';
+			echo 'Error message: ' . mysqli_connect_error() . '<br>';
-		die();
+			die();
 		}
 	}
 
@@ -24,40 +27,129 @@ class MySQLAdapter {
 
 		return $stmt->get_result();
 	}
-
+	
 	function _prepare_post_data($post_data) {
-    	if($post_data == null) {
+		if($post_data == null) {
-       		$post_data = [
+			return [
-        		"found" => false
+				"found" => false
         	];
     	}
-    	else {
-	  		$post_data["found"] = true;
-   		$post_data["post_metadata"] = json_decode($post_data["post_metadata"]);
-    	}
     	
+		$post_data["found"] = true;
+		$post_data["post_basename"] = basename($post_data["post_path"]);
+
+		$post_meta = json_decode($post_data["post_metadata"], true) ?? [];
+
+		$post_meta["title"] ??= basename($post_data["post_path"]);
+		
+		if(!isset($post_meta['type'])) {
+			$type = null;
+
+			$ext = pathinfo($post_data['post_basename'], PATHINFO_EXTENSION);
+
+			if($ext == '') {
+				$type = 'directory';
+			} elseif($ext == 'md') {
+				$type = 'text/markdown';
+			}
+
+			$post_meta['type'] = $type;
+		}
+		
+		$post_data["post_content"] ??= '';
+		$post_data["post_file_dir"] = '/' . $this->data_directory . $post_data["post_path"];
+
+		$post_data['post_metadata'] = $post_meta;
+
     	return $post_data;
 	}
 
-	function save_markdown_post($post_path, $post_data) {
+	function _fill_post_descriptors($post_data) {
-		$frontmatter_post = YamlFrontMatter::parse($post_data);
 
-		$post_path = chop($post_path, '/');
+		switch(($post_data['post_metadata']['type'] ?? '')) {
-		$path_depth = substr_count($post_path, "/");
+		case 'directory':
+			$readme = $this->get_post_by_path($post_data['post_path'] . '/README.md', false);
+			$post_data['readme'] = $readme;
+			
+			if($readme['found']) {
+				$post_data['post_metadata']['title'] = $readme['post_metadata']['title'];
+			}
+		break;
 
-		$post_content = $frontmatter_post->body();
+		case 'file':
-		$post_metadata = $frontmatter_post->matter();
+			$post_data['descriptor'] = $this->get_post_by_path($post_data['post_path'] . '.md', false);
+		break;
+		}
 
-		$post_metadata['type'] = 'text/markdown';
+		return $post_data;
+	}
 
-		var_dump($post_path, $post_content, $post_metadata);
+	function ensure_directory($directory) {
-
+		$data_directory = $this->data_directory . $directory;
-		$qry = "
+		
+		is_dir($data_directory) || mkdir($data_directory, 0777, true);
+		
+		$insert_statement = "
 			INSERT INTO posts
 				(post_path, post_path_depth, post_metadata, post_content)
 			VALUES
-				( ?, ?, ?, ?) AS new
+				(?, ?, ?, '') AS new
-			ON DUPLICATE KEY UPDATE post_metadata=new.post_metadata, post_content=new.post_content;";
+			ON DUPLICATE KEY UPDATE post_path=new.post_path 
+			";
+
+		$json_metadata = json_encode(["type" => 'directory']);
+		
+		while(strlen($directory) > 1) {
+			try {
+				echo "Inserting dir " . $directory . "\n";
+
+				$this->_exec($insert_statement, "sis",
+					$directory, substr_count($directory, '/'),
+					$json_metadata);
+
+				}
+			catch(Exception $e) {
+			}
+			$directory = dirname($directory);
+		}
+	}
+
+	function ensure_post_placeholder($post_path, $post_metadata) {
+		$post_path = chop($post_path, '/');
+		$path_depth = substr_count($post_path, "/");
+
+		$this->ensure_directory(dirname($post_path));
+
+		echo "Bumping post placeholder " . $post_path . "\n";
+
+		$qry = "
+		INSERT INTO posts
+			(post_path, post_path_depth, post_metadata, post_content)
+		VALUES
+			( ?, ?, ?, ?) AS new
+		ON DUPLICATE KEY UPDATE post_path=new.post_path;";
+
+		$this->_exec($qry, "siss", 
+			$post_path,
+			$path_depth,
+			json_encode($post_metadata),
+			'');
+	}
+
+	function create_post_entry($post_path, $post_metadata, $post_content) {
+		$post_path = chop($post_path, '/');
+		$path_depth = substr_count($post_path, "/");
+		
+		$this->ensure_directory(dirname($post_path));
+
+		echo "Creating post entry " . $post_path . "\n";
+
+		$qry = "
+		INSERT INTO posts
+			(post_path, post_path_depth, post_metadata, post_content)
+		VALUES
+			( ?, ?, ?, ?) AS new
+		ON DUPLICATE KEY UPDATE post_metadata=new.post_metadata, post_content=new.post_content;";
 
 		$this->_exec($qry, "siss", 
 			$post_path,
@@ -66,12 +158,60 @@ class MySQLAdapter {
 			$post_content);
 	}
 
+	function save_markdown_post($post_path, $post_data) {
+		$frontmatter_post = YamlFrontMatter::parse($post_data);
+		$post_path = chop($post_path, '/');
+
+		$post_content = $frontmatter_post->body();
+		$post_metadata = $frontmatter_post->matter();
+
+		if(basename($post_path) == "README.md") {
+			$readme_metadata = $frontmatter_post->matter();
+			$readme_metadata['type'] = $post_metadata['readme_type'] ?? 'directory';
+			
+			$this->create_post_entry(dirname($post_path), $readme_metadata, '');
+
+			$post_metadata['type'] = 'text/markdown';
+		}
+
+		$post_metadata['type'] ??= 'text/markdown';
+
+		$this->create_post_entry($post_path, $post_metadata, $post_content);
+		file_put_contents($this->data_directory . $post_path,
+			$post_data);
+
+	}
+
+	function save_file($post_path, $file_path) {
+		$post_metadata = ["type" => 'file'];
+		$post_path = chop($post_path, '/');
+		
+		$this->ensure_post_placeholder($post_path, $post_metadata, '');
+
+		copy($file_path, $this->data_directory . $post_path);
+	}
+
+	function handle_upload($post_path, $file_path) {
+		$ext = pathinfo($post_path, PATHINFO_EXTENSION);
+
+		switch($ext) {
+			case "md":
+				$this->save_markdown_post($post_path, file_get_contents($file_path));
+			break;
+			default:
+				$this->save_file($post_path, $file_path);
+		}
+	}
+
 	function get_post_by_path($post_path, $with_subposts = true) {
 		$qry = "SELECT * FROM posts WHERE post_path = ?";
 
 		$post_path = chop($post_path, '/');
 
-		$post_data = $this->_prepare_post_data($this->_exec($qry, "s", $post_path)->fetch_assoc());
+		$post_data = $this->_exec($qry, "s", $post_path)->fetch_assoc();
+		$post_data = $this->_prepare_post_data($post_data);
+
+		$post_data = $this->_fill_post_descriptors($post_data);
 
 		if($with_subposts) {
 			$post_data['subposts'] = $this->get_subposts_by_path($post_path);
@@ -87,7 +227,7 @@ class MySQLAdapter {
 	
 	    $path_depth = substr_count($path, "/");
 	
-	    $qry = "SELECT post_path, post_metadata
+	    $qry = "SELECT post_path, post_metadata, post_update_time
 	        FROM posts 
 	        WHERE (post_path LIKE CONCAT(?,'/%')) 
 	            AND post_path_depth = ?