Move Item loading to MediaDB, add $key => to map

item.php

@@ -20,25 +20,14 @@ class Item implements JsonSerializable
 
     public static function load(MediaDB $db, string $id): ?Item
     {
-        $ret = null;
-
-        $db->map(function ($line) use (&$ret, $id) {
-            if ($line[0] == $id) {
-                $ret = Item::fromLine($line);
-
-                return true;
+        return $db->loadItem($id);
     }
 
-            return false;
-        });
-
-        return $ret;
-    }
-
-    public static function fromLine(array $line): Item
+    public static function fromLine(string $line): Item
     {
         $ret = new Item();
 
+        $line = explode(' ', $line);
         $ret->hash = array_shift($line);
         $ret->tags = $line;
         $ret->extensionFromTags();

mediadb.php

@@ -2,7 +2,7 @@
 
 class MediaDB
 {
-    private $handler;
+    private $handle;
     private array $lines = [];
 
     // TODO: create a persist() method that updates the line if the offset where
@@ -13,21 +13,17 @@ class MediaDB
     public function __construct()
     {
         // Just initialize the file handler
-        $this->handler = fopen($GLOBALS['path_mediadb'], 'r');
-        if ($this->handler === false)
+        $this->handle = fopen($GLOBALS['path_mediadb'], 'r');
+        if ($this->handle === false)
             Json::error('Error opening media DB');
     }
 
-    private function getLine(): ?array
+    private function getLine(): ?string
     {
-        $ret = fgetcsv($this->handler, 0, ' ');
-        if ($ret === false)
-            return null;
-
-        return $ret;
+        return feof($this->handle) ? null : fgets($this->handle);
     }
 
-    public static function add(array|Item $item)
+    public static function add(Item $item)
     {
         $file = fopen($GLOBALS['path_mediadb'], 'a+');
         if ($file === false)
@@ -42,12 +38,11 @@ class MediaDB
 
         // The $this->list will be updated on trying to find new items
     }
-
     public function map(callable $func)
     {
         // First read from what's already in memory
-        foreach ($this->lines as $i_line) {
-            if ($func($i_line) === true) return;
+        foreach ($this->lines as $key => $i_line) {
+            if ($func($i_line, $key) === true) return;
         }
 
         // If we run out, read from the file and append to array so the next
@@ -55,7 +50,40 @@ class MediaDB
         while ($line = $this->getLine()) {
             $this->lines[] = $line;
 
-            if ($func($line) === true) return;
+            // NOTE: We are kinda assuming that the keys are autoincrementing
+            // unsigned integers... I think it should be fine, but o_0
+            $key = count($this->lines) - 1;
+
+            if ($func($line, $key) === true) return;
         }
     }
+
+    // ---- ITEM OPERATIONS ----
+
+    public function loadItem(string $id): ?Item
+    {
+        $key = $this->searchItem($id);
+        if ($key === null) return null;
+
+        return Item::fromLine($this->lines[$key]);
+    }
+
+    private function searchItem(string $id): ?int
+    {
+        $ret = null;
+
+        $this->map(function ($line, $key) use (&$ret, $id) {
+            $item = Item::fromLine($line);
+
+            if ($item->getHash() == $id) {
+                $ret = $key;
+
+                return true;
+            }
+
+            return false;
+        });
+
+        return $ret;
+    }
 }