feat: Add Hebrew translations and RTL support (#49)

Author: DenverCoder1

Diff for: api/index.py

@@ -38,6 +38,7 @@ def render():
         publish_timestamp = validate_int(request, "timestamp", default=0)
         duration_seconds = validate_int(request, "duration", default=0)
         lang = validate_lang(request, "lang", default="en")
+        rtl = lang in ["ar", "he"]
         video_id = validate_video_id(request, "id")
         thumbnail = data_uri_from_url(f"https://i.ytimg.com/vi/{video_id}/mqdefault.jpg")
         views = fetch_views(video_id)
@@ -62,6 +63,7 @@ def render():
                 thumbnail=thumbnail,
                 duration=duration,
                 duration_width=duration_width,
+                rtl=rtl,
             ),
             status=200,
             mimetype="image/svg+xml",

Diff for: api/locale/he.yml

@@ -0,0 +1,20 @@
+he:
+  views: "%{number} צפיות"
+  seconds-ago:
+    one: "לפני שניה"
+    many: "לפני %{count} שניות"
+  minutes-ago:
+    one: "לפני דקה"
+    many: "לפני %{count} דקות"
+  hours-ago:
+    one: "לפני שעה"
+    many: "לפני %{count} שעות"
+  days-ago:
+    one: "אתמול"
+    many: "לפני %{count} ימים"
+  months-ago:
+    one: "לפני חודש"
+    many: "לפני %{count} חודשים"
+  years-ago:
+    one: "לפני שנה"
+    many: "לפני %{count} שנים"

Diff for: api/templates/main.svg

@@ -71,3 +71,27 @@ def test_request_valid_params(client):
     # test timestamp
     timestamp_regex = re.compile(r"\d+ years ago")
     assert timestamp_regex.search(data) is not None
+
+    # test direction
+    assert 'style="direction: ltr"' in data
+
+
+def test_request_right_to_left(client):
+    params = {
+        "id": "dQw4w9WgXcQ",
+        "title": "Rick Astley - Never Gonna Give You Up (Official Music Video)",
+        "timestamp": "1256450400",
+        "lang": "he",
+    }
+    response = client.get(f"/?{urlencode(params)}")
+    data = response.data.decode("utf-8")
+
+    # stats group should be 10 pixels from the right
+    assert "translate(240, 195.0)" in data
+
+    # test direction
+    assert 'style="direction: rtl"' in data
+
+    # test views
+    views_regex = re.compile(r"\d+(?:\.\d)?[KMBT]? צפיות")
+    assert views_regex.search(data) is not None