diff --git a/app/src/Domain/Entity/Episode/File.php b/app/src/Domain/Entity/Episode/File.php
index 2e980eb..9630a03 100644
--- a/app/src/Domain/Entity/Episode/File.php
+++ b/app/src/Domain/Entity/Episode/File.php
@@ -2,11 +2,17 @@
 
 namespace Slovocast\Domain\Entity\Episode;
 
+use Slovocast\Domain\Entity as EntityTrait;
+
 /**
  * Represents the file for the episode itself.
  */
 class File
 {
+    use EntityTrait;
+
+    private string $buffer = "";
+
     public function __construct(
         private string $url,
         private int $length,
@@ -27,4 +33,40 @@ class File
     {
         return $this->type;
     }
+
+    public function setBuffer(string $buffer): void
+    {
+        $this->buffer = $buffer;
+    }
+
+    public function getBuffer(): string
+    {
+        return $this->buffer;
+    }
+
+    /**
+     * @param array $props Properties and their values.
+     */
+    public static function fromArray(array $props): File
+    {
+        $file = new self(
+            $props['url'],
+            (int) $props['length'],
+            $props['type']
+        );
+
+        if ($props['id']) {
+            $file->setId($props['id']);
+        }
+
+        if ($props['createAt']) {
+            $file->setCreatedAt($props['createdAt']);
+        }
+
+        if ($props['updatedAt']) {
+            $file->setUpdatedAt($props['updatedAt']);
+        }
+
+        return $file;
+    }
 }
diff --git a/app/src/Domain/Repository/Episode/EpisodeFileRepositoryInterface.php b/app/src/Domain/Repository/Episode/EpisodeFileRepositoryInterface.php
new file mode 100644
index 0000000..7838747
--- /dev/null
+++ b/app/src/Domain/Repository/Episode/EpisodeFileRepositoryInterface.php
@@ -0,0 +1,16 @@
+<?php
+
+namespace Slovocast\Domain\Repository\Episode;
+
+use Slovocast\Domain\Entity\Episode;
+use Slovocast\Domain\Entity\Episode\File;
+use Slovocast\Domain\RepositoryInterface;
+
+interface EpisodeFileRepositoryInterface extends RepositoryInterface
+{
+    public function get(string $location): File;
+    public function getFromEpisode(Episode $episode): File;
+    public function create(File $file): File;
+    public function update(File $file): bool;
+    public function delete(File $file): bool;
+}