Initial map support

scl.py

@@ -1,11 +1,14 @@
+import io
 from datetime import datetime
 from typing import Optional
 
 import requests
 from mastodon import Mastodon
+from PIL import Image, ImageDraw, ImageFont
 from sqlalchemy import create_engine, select
 from sqlalchemy.exc import NoResultFound
 from sqlalchemy.orm import DeclarativeBase, Mapped, Session, mapped_column
+from staticmap import Polygon, StaticMap
 
 post_datetime_format = "%b %e %l:%M %p"
 
@@ -19,6 +22,51 @@ except requests.JSONDecodeError:
 
 mastodon = Mastodon(access_token="scl_bot_mastodon.secret")
 
+with open("stadiamaps_api_key.secret", "r+") as stadiamaps_api_key_file:
+    # Reading from a file
+    stadiamaps_api_key = stadiamaps_api_key_file.read()
+
+
+class AttribStaticMap(StaticMap, object):
+    def __init__(self, *args, **kwargs):
+        self.attribution = "© Stadia Maps © OpenMapTiles © OpenStreetMap"
+        super(AttribStaticMap, self).__init__(*args, **kwargs)
+
+    def _draw_features(self, image):
+        super(AttribStaticMap, self)._draw_features(image)
+
+        txt = Image.new("RGBA", image.size, (255, 255, 255, 0))
+        # get a font
+        # fnt = ImageFont.truetype('FreeMono.ttf', 12)
+        fnt = ImageFont.load_default()
+        # get a drawing context
+        d = ImageDraw.Draw(txt)
+
+        textSize = fnt.getbbox(self.attribution)
+        textPosition = (image.size[0] - textSize[2], image.size[1] - textSize[3])
+        offset = 2
+        options = {"fill": (255, 255, 255, 180)}
+        d.rectangle(
+            [
+                (textPosition[0] - (2 * offset), textPosition[1] - (2 * offset)),
+                (
+                    textSize[2] + textPosition[0] + (2 * offset),
+                    textSize[3] + textPosition[1] + (2 * offset),
+                ),
+            ],
+            **options,
+        )
+
+        # draw text, full opacity
+        d.text(
+            (textPosition[0] - offset, textPosition[1] - offset),
+            self.attribution,
+            font=fnt,
+            fill="black",
+        )
+
+        image.paste(txt, (0, 0), txt)
+
 
 class Base(DeclarativeBase):
     pass
@@ -56,10 +104,13 @@ with Session(engine) as session:
         lookup_result = session.scalars(lookup_statement)
         if event["numPeople"] < 250:
             outage_size = "Small"
+            outage_color = "#F97316"
         elif event["numPeople"] < 1000:
             outage_size = "Medium"
+            outage_color = "#EF4444"
         else:
             outage_size = "Large"
+            outage_color = "991B1B"
 
         if "status" in event:
             status = event["status"]
@@ -142,9 +193,35 @@ Cause: {}
                 hashtag_string,
             )
 
+            try:
+                map = AttribStaticMap(
+                    512,
+                    512,
+                    url_template="https://tiles.stadiamaps.com/tiles/outdoors/{z}/{x}/{y}.png?api_key="
+                    + stadiamaps_api_key,
+                )
+                assert event["polygons"]["type"] == "polygon"
+                for ring in event["polygons"]["rings"]:
+                    polygon = Polygon(
+                        ring, "{}7F".format(outage_color), outage_color, simplify=True
+                    )
+                    map.add_polygon(polygon)
+                map_image = map.render()
+                with io.BytesIO() as map_image_file:
+                    map_image.save(map_image_file, format="PNG", optimize=True)
+                    map_media_post = mastodon.media_post(
+                        map_image_file.getvalue(), mime_type="image/png"
+                    )
+
+            except Exception as e:
+                print(e)
+                print(
+                    "Ran into an issue with generating/uploading the map. Will post without it."
+                )
+                map_media_post = None
+
             mastodon_post_result = mastodon.status_post(
-                status=post_text,
-                visibility="public",
+                status=post_text, media_ids=map_media_post, visibility="public"
             )
 
             new_outage_record = SclOutage(