From a0b2a85ee29dcd5809f128e4f433fda5ebbae69a Mon Sep 17 00:00:00 2001
From: Marat Fayzullin <luarvique@gmail.com>
Date: Sat, 25 May 2024 21:26:07 -0400
Subject: [PATCH] Now removing cached repeaters file when receiver location
 moves.

---
 CHANGELOG.md      |  1 +
 debian/changelog  |  1 +
 owrx/gps.py       |  3 +--
 owrx/repeaters.py | 18 ++++++++++++++++++
 4 files changed, 21 insertions(+), 2 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index fbcae041..99d3b371 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,7 @@
 - Added copyright-free Mirics driver for SDRPlay and clones.
 - Fixed OpenWebRX startup failure if MQTT connection fails.
 - Volume control is now logarithmic, in -55db to +5db range.
+- Removing repeaters.json when receiver moves by >10km.
 - Added Aircraft Emergency Frequency bookmark.
 
 **1.2.58**
diff --git a/debian/changelog b/debian/changelog
index cf9b7d52..7ba6652e 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -4,6 +4,7 @@ openwebrx (1.2.59) bullseye jammy; urgency=low
   * Added copyright-free Mirics driver for SDRPlay and clones.
   * Fixed OpenWebRX startup failure if MQTT connection fails.
   * Volume control is now logarithmic, in -55db to +5db range.
+  * Removing repeaters.json when receiver moves by >10km.
   * Added Aircraft Emergency Frequency bookmark.
 
  -- Marat Fayzullin <luarvique@gmail.com>  Mon, 27 May 2024 16:12:00 +0000
diff --git a/owrx/gps.py b/owrx/gps.py
index fa54a7cb..881110a4 100644
--- a/owrx/gps.py
+++ b/owrx/gps.py
@@ -56,8 +56,7 @@ class GpsUpdater(object):
         self.event  = threading.Event()
         self.thread = None
         # Start/stop main thread when setting changes
-        pm = Config.get()
-        pm.wireProperty("gps_updates", self._toggleUpdates)
+        Config.get().wireProperty("gps_updates", self._toggleUpdates)
 
     # Toggle GPS updates when setting changes
     def _toggleUpdates(self, enable):
diff --git a/owrx/repeaters.py b/owrx/repeaters.py
index 7545976e..57ef25b7 100644
--- a/owrx/repeaters.py
+++ b/owrx/repeaters.py
@@ -74,6 +74,24 @@ class Repeaters(object):
         self.refreshPeriod = 60*60*24
         self.lock = threading.Lock()
         self.repeaters = []
+        # Update repeater list when receiver location changes
+        pm = Config.get()
+        self.location = (pm["receiver_gps"]["lat"], pm["receiver_gps"]["lon"])
+        pm.wireProperty("receiver_gps", self._updateLocation)
+
+    # Delete current repeater list when receiver location changes.
+    def _updateLocation(self, location):
+        location = (location["lat"], location["lon"])
+        file = self._getCachedDatabaseFile()
+        dist = self.distKm(location, self.location)
+        if not os.path.exists(file):
+            # If there are no repeaters loaded, just keep new location
+            self.location = location
+        elif dist > 10:
+            # Do not delete repeater list unless receiver moved a lot
+            logger.debug("Receiver moved by {0}km, deleting '{1}'...".format(dist, file))
+            self.location = location
+            os.remove(file)
 
     #
     # Load cached database or refresh it from the web.