Add icons back to spots & alerts

data/spot.py

@@ -146,6 +146,11 @@ class Spot:
     # The ID the source gave it, if any.
     source_id: str | None = None
 
+    # Display info
+
+    # Icon to use when displaying this spot in the web UI. Chosen from the Font Awesome set.
+    icon: str | None = None
+
     def __post_init__(self):
         """Normalise fields that don't survive a plain dict to Spot conversion. This is used in the "add spot" API
         endpoint where the client is submitting JSON, and we want to recreate a full Spot object, including nested
@@ -455,6 +460,11 @@ class Spot:
                 self.de_longitude = de_call_info.longitude
                 self.de_grid = de_call_info.grid
 
+            # Icon for the spot should be the icon of the first SIG ref if present, otherwise a radio tower
+            self.icon = "fa-tower-cell"
+            if self.sig_refs and len(self.sig_refs) > 0 and self.sig_refs[0].icon:
+                self.icon = self.sig_refs[0].icon
+
         except Exception:
             logger.exception("Exception while inferring missing data from spot")