Refactors Services and Initial Test Implementation

storage_service/utils/file/file_hash_generator.py

@@ -0,0 +1,9 @@
+import base64
+from hashlib import md5
+
+
+def generate_file_hash(file_key: str, file_postfix: str) -> str:
+    hashed_file_key = md5(file_key.encode("utf-8")).digest()
+    hashed_file_key = base64.b64encode(hashed_file_key).decode()
+
+    return f"{hashed_file_key}_{file_postfix}"

storage_service/utils/file/validators/__init__.py

@@ -0,0 +1 @@
+from .image_handler import image_validator

storage_service/utils/file/validators/image_handler.py

@@ -0,0 +1,20 @@
+from PIL import Image
+
+import io
+
+
+def image_validator(file_bytes: io.BytesIO) -> io.BytesIO:
+    img = Image.open(file_bytes)
+
+    img.thumbnail((180, 180))
+
+    data = list(img.getdata())
+    image_without_exif = Image.new(img.mode, img.size)
+    image_without_exif.putdata(data)
+
+    new_byte_img = io.BytesIO()
+    img.save(new_byte_img, format="PNG")
+
+    new_byte_img.seek(0)
+
+    return new_byte_img