Starting to implement queries for the JSON endpoint

providers/wwbota.py

@@ -5,7 +5,7 @@ from providers.http_provider import HTTPProvider
 
 
 # Provider for Worldwide Bunkers on the Air
-# todo switch to event source API as per Steve change to Field Spotter
+# todo switch to event source API as per Steve change to Field Spotter, if Python supports it
 class WWBOTA(HTTPProvider):
     POLL_INTERVAL_SEC = 120
     SPOTS_URL = "https://api.wwbota.org/spots/"

server/webserver.py

@@ -44,7 +44,7 @@ class WebServer:
     def serve_api_spots(self):
         self.last_api_access_time = datetime.now(pytz.UTC)
         self.status = "OK"
-        spots_json = json.dumps(self.spot_list, default=serialize_everything)
+        spots_json = json.dumps(self.get_spot_list_with_filters(bottle.request.query), default=serialize_everything)
         response.content_type = 'application/json'
         return spots_json
 
@@ -66,7 +66,16 @@ class WebServer:
     def serve_static_file(self, filepath):
         return bottle.static_file(filepath, root="webassets")
 
+    # Utility method to apply filters to the overall spot list and return only a subset. Enables query parameters in
+    # the main "spots" GET call. The "query" parameter should be the result of bottle's request.query, and is a MultiDict
+    def get_spot_list_with_filters(self, query):
+        spot_subset = self.spot_list[:]
+        for k in query.keys():
+            print(k + ": " + query.get(k))
+        return spot_subset
 
-# Todo spot API arguments e.g. "since" based on received_time of spots, sources, sigs, dx cont, dxcc, de cont, band, mode, filter out qrt, filter pre-qsy, sort order, list of fields
-# Todo serve status API
+
+
+
+# Todo serve Server-Sent Events to frontend - see https://medium.com/@tdenton8772/streaming-api-design-using-python-and-javascript-1b0ce8adb703
 # Todo serve apidocs

webassets/js/code.js

@@ -1,6 +1,7 @@
-// TODO get all data into JS
+// TODO get all data into JS on first load
+// TODO subscribe to SSE to get updates, merge with local data, sort, refresh display
+// TODO cap at a sensible number of lines in the table, throw away other data, make the number configurable
 // TODO populate table more nicely
-// TODO track last received time and use API since call, merge and sort local data, refresh display
 // TODO filtering (applied locally)
 // TODO look and feel