Merge branch '95-send-spots-to-xota' into 2.0-pre

# Conflicts:
#	README.md
#	core/config.py
#	server/handlers/api/addspot.py
#	server/handlers/api/lookups.py
#	server/handlers/api/options.py
#	server/webserver.py
#	spothole.py
#	static/apidocs/openapi.yml

providers/spot/pota.py

@@ -1,7 +1,9 @@
 from datetime import datetime
 
 import pytz
+import requests
 
+from core.constants import HTTP_HEADERS
 from data.sig_ref import SIGRef
 from data.spot import Spot
 from providers.spot.http_spot_provider import HTTPSpotProvider
@@ -12,6 +14,7 @@ class POTA(HTTPSpotProvider):
 
     POLL_INTERVAL_SEC = 120
     SPOTS_URL = "https://api.pota.app/spot/activator"
+    SUBMIT_URL = "https://api.pota.app/spot"
 
     def __init__(self, provider_config):
         super().__init__("POTA", provider_config, self.SPOTS_URL, self.POLL_INTERVAL_SEC)
@@ -41,3 +44,25 @@ class POTA(HTTPSpotProvider):
             # that for us.
             new_spots.append(spot)
         return new_spots
+
+    def can_submit_spot(self, sig):
+        return sig == "POTA"
+
+    def submit_spot(self, spot, credentials):
+        sig_ref = spot.sig_refs[0].id if spot.sig_refs else None
+        if sig_ref:
+            body = {
+                "activator": spot.dx_call,
+                "spotter": spot.de_call,
+                "frequency": str(spot.freq / 1000.0),
+                "mode": spot.mode or "",
+                "reference": sig_ref,
+                "comments": spot.comment or "",
+                "source": "Spothole",
+            }
+            headers = {**HTTP_HEADERS, "Content-Type": "application/json"}
+            response = requests.post(self.SUBMIT_URL, json=body, headers=headers, timeout=(5, 30))
+            if not response.ok:
+                raise RuntimeError("POTA API returned " + str(response.status_code) + ": " + response.text)
+        else:
+            raise RuntimeError("Park reference is required for submitting POTA spots.")