Photo basics (#10)

Reviewed-on: #10
Co-authored-by: Mathias Scheider <mathias2784@web.de>

src/photools3/photo.py

@@ -1,15 +1,28 @@
+import base64
+from io import BytesIO
 from pathlib import Path
 
+from PIL import Image
+
 
 class Photo:
 
-    def __init__(self): ...
+    def __init__(self, path: Path):
+        self.path = path
+        self.image = Image.open(path)
 
-    @classmethod
-    def from_file(cls, path: Path) -> Photo:
-        # TODO
-        return cls()
-
-    def resize(self) -> Photo:
-        # TODO
+    def resize(self, image_max_size=1024) -> Photo:
+        """Limiting max dimensions while maintaining aspect ratio"""
+        self.image.thumbnail((image_max_size, image_max_size), Image.Resampling.LANCZOS)
         return self
+
+    def to_rgb(self):
+        if self.image.mode != "RGB":
+            self.image = self.image.convert("RGB")
+        return self
+
+    def get_encoded(self):
+        buffer = BytesIO()
+        self.image.save(buffer, format="JPEG", quality=85)
+        image_data = base64.b64encode(buffer.getvalue()).decode("utf-8")
+        return image_data