Merge pull request #3060 from alphagov/add-broadcast-api-endpoint

Add public API endpoint to create broadcast messages

app/broadcast_message/translators.py

@@ -0,0 +1,31 @@
+from bs4 import BeautifulSoup
+
+
+def cap_xml_to_dict(cap_xml):
+    # This function assumes that it’s being passed valid CAP XML
+    cap = BeautifulSoup(cap_xml, "xml")
+    return {
+        "reference": cap.alert.identifier.text,
+        "category": cap.alert.info.category.text,
+        "expires": cap.alert.info.expires.text,
+        "content": cap.alert.info.description.text,
+        "areas": [
+            {
+                "name": area.areaDesc.text,
+                "polygons": [
+                    cap_xml_polygon_to_list(polygon.text)
+                    for polygon in area.find_all('polygon')
+                ]
+            }
+            for area in cap.alert.info.find_all('area')
+        ]
+    }
+
+
+def cap_xml_polygon_to_list(polygon_string):
+    return [
+        [
+            float(coordinate) for coordinate in pair.split(',')
+        ]
+        for pair in polygon_string.split(' ')
+    ]