From 16075b15d4e76364dbb960ecb239e46e3501dc18 Mon Sep 17 00:00:00 2001
From: niklas <niklas@niklashalle.net>
Date: Sun, 20 Sep 2020 15:01:20 +0200
Subject: maybe add correct dimensions and preview

---
 signald/main.py | 43 +++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 41 insertions(+), 2 deletions(-)

diff --git a/signald/main.py b/signald/main.py
index 75eb8a9..48901f4 100644
--- a/signald/main.py
+++ b/signald/main.py
@@ -1,9 +1,14 @@
 import json
+import cStringIO
 import random
 import re
 import socket
+import base64
+
+from io import BytesIO
 from typing import Iterator, List  # noqa
 
+from PIL import Image
 from .types import Attachment, Message
 
 # We'll need to know the compiled RE object later.
@@ -154,13 +159,30 @@ class Signal:
         block:     Whether to block while sending. If you choose not to block, you won't get an exception if there
                    are any errors.
         """
+
+        # TODO: find out if sending them on non-images causes problems
+        width = 0
+        height = 0
+        preview = ""
+
+        # TODO: do for all images types
+        if filename.endswith("jpg") or filename.endswith("png"):
+            with Image.open(filepath) as img:
+                width, height = img.size
+                buffer = cStringIO.StringIO()
+                image.save(buffer, format="JPEG")
+                preview = base64.b64encode(buffer.getvalue())
+
         payload = {
             "type": "send",
             "username": self.username,
             "recipientAddress": recipient,
             "attachments": [
                 {
-                    "filename": filename
+                    "filename": filename,
+                    "width": width,
+                    "height": height,
+                    "preview": preview
                 }
             ]
         }
@@ -192,13 +214,30 @@ class Signal:
         block:     Whether to block while sending. If you choose not to block, you won't get an exception if there
                    are any errors.
         """
+
+        # TODO: find out if sending them on non-images causes problems
+        width = 0
+        height = 0
+        preview = ""
+
+        # TODO: do for all images types
+        if filename.endswith("jpg") or filename.endswith("png"):
+            with Image.open(filepath) as img:
+                width, height = img.size
+                buffer = cStringIO.StringIO()
+                image.save(buffer, format="JPEG")
+                preview = base64.b64encode(buffer.getvalue())
+
         payload = {
             "type": "send",
             "username": self.username,
             "recipientGroupId": recipient_group_id,
             "attachments": [
                 {
-                    "filename": filename
+                    "filename": filename,
+                    "width": width,
+                    "height": height,
+                    "preview": preview
                 }
             ]
         }
-- 
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