[danfossairunit] Remove deprecated channel main#manual_fan_speed when unlinked (#11668)

* Remove deprecated channel if unlinked.

Signed-off-by: Jacob Laursen <jacob-github@vindvejr.dk>

bundles/org.openhab.binding.danfossairunit/src/main/java/org/openhab/binding/danfossairunit/internal/handler/DanfossAirUnitHandler.java

@@ -23,12 +23,14 @@ import java.util.concurrent.TimeUnit;
 import org.eclipse.jdt.annotation.NonNullByDefault;
 import org.eclipse.jdt.annotation.Nullable;
 import org.openhab.binding.danfossairunit.internal.Channel;
+import org.openhab.binding.danfossairunit.internal.ChannelGroup;
 import org.openhab.binding.danfossairunit.internal.DanfossAirUnit;
 import org.openhab.binding.danfossairunit.internal.DanfossAirUnitCommunicationController;
 import org.openhab.binding.danfossairunit.internal.DanfossAirUnitConfiguration;
 import org.openhab.binding.danfossairunit.internal.DanfossAirUnitWriteAccessor;
 import org.openhab.binding.danfossairunit.internal.UnexpectedResponseValueException;
 import org.openhab.binding.danfossairunit.internal.ValueCache;
+import org.openhab.core.thing.ChannelGroupUID;
 import org.openhab.core.thing.ChannelUID;
 import org.openhab.core.thing.Thing;
 import org.openhab.core.thing.ThingStatus;
@@ -96,6 +98,7 @@ public class DanfossAirUnitHandler extends BaseThingHandler {
         updateStatus(ThingStatus.UNKNOWN);
         config = getConfigAs(DanfossAirUnitConfiguration.class);
         valueCache = new ValueCache(config.updateUnchangedValuesEveryMillis);
+        removeDeprecatedChannels();
         try {
             var localCommunicationController = new DanfossAirUnitCommunicationController(
                     InetAddress.getByName(config.host), TCP_PORT);
@@ -119,6 +122,21 @@ public class DanfossAirUnitHandler extends BaseThingHandler {
         }
     }
 
+    private void removeDeprecatedChannels() {
+        ChannelGroupUID mainChannelGroupUid = new ChannelGroupUID(thing.getUID(), ChannelGroup.MAIN.getGroupName());
+        ChannelUID manualFanSpeedChannelUid = new ChannelUID(mainChannelGroupUid,
+                Channel.CHANNEL_MANUAL_FAN_SPEED.getChannelName());
+        if (this.isLinked(manualFanSpeedChannelUid)) {
+            ChannelUID manualFanStepChannelUid = new ChannelUID(mainChannelGroupUid,
+                    Channel.CHANNEL_MANUAL_FAN_STEP.getChannelName());
+            logger.warn("Channel '{}' is deprecated, please use '{}' instead.", manualFanSpeedChannelUid,
+                    manualFanStepChannelUid);
+        } else {
+            logger.debug("Removing deprecated unlinked channel '{}'.", manualFanSpeedChannelUid);
+            updateThing(editThing().withoutChannel(manualFanSpeedChannelUid).build());
+        }
+    }
+
     private void updateAllChannels() {
         DanfossAirUnit localAirUnit = this.airUnit;
         if (localAirUnit == null) {

bundles/org.openhab.binding.danfossairunit/src/main/resources/OH-INF/i18n/danfossairunit.properties

@@ -24,6 +24,8 @@ channel-group-type.danfossairunit.humidity.channel.humidity.description = Curren
 channel-group-type.danfossairunit.main.label = Mode and Fan Speeds
 channel-group-type.danfossairunit.main.channel.boost.label = Boost
 channel-group-type.danfossairunit.main.channel.boost.description = Enables fan boost
+channel-group-type.danfossairunit.main.channel.manual_fan_speed.label = Manual Fan Speed
+channel-group-type.danfossairunit.main.channel.manual_fan_speed.description = Deprecated, please use Manual Fan Step instead. This channel will be removed in a later version.
 channel-group-type.danfossairunit.main.channel.night_cooling.label = Night Cooling
 channel-group-type.danfossairunit.main.channel.night_cooling.description = Enables night cooling
 channel-group-type.danfossairunit.recuperator.label = Recuperator
@@ -60,8 +62,6 @@ channel-type.danfossairunit.extractFanStep.description = Current step setting of
 channel-type.danfossairunit.filterPeriod.label = Filter Period
 channel-type.danfossairunit.filterPeriod.description = Number of months between filter replacements
 channel-type.danfossairunit.humidity.label = Humidity
-channel-type.danfossairunit.manualFanSpeed.label = Manual Fan Speed
-channel-type.danfossairunit.manualFanSpeed.description = Deprecated, please use Manual Fan Step instead. This channel will be removed in a later version.
 channel-type.danfossairunit.manualFanStep.label = Manual Fan Step
 channel-type.danfossairunit.manualFanStep.description = Controls 10-step setting of the fan when operation mode is manual
 channel-type.danfossairunit.mode.label = Mode

bundles/org.openhab.binding.danfossairunit/src/main/resources/OH-INF/thing/thing-types.xml

@@ -50,7 +50,10 @@
 			<channel id="current_time" typeId="currentTime"/>
 			<channel id="mode" typeId="mode"/>
 			<channel id="manual_fan_step" typeId="manualFanStep"/>
-			<channel id="manual_fan_speed" typeId="manualFanSpeed"/>
+			<channel id="manual_fan_speed" typeId="manualFanStep">
+				<label>Manual Fan Speed</label>
+				<description>Deprecated, please use Manual Fan Step instead. This channel will be removed in a later version.</description>
+			</channel>
 			<channel id="supply_fan_speed" typeId="supplyFanSpeed"/>
 			<channel id="extract_fan_speed" typeId="extractFanSpeed"/>
 			<channel id="supply_fan_step" typeId="supplyFanStep"/>
@@ -157,13 +160,6 @@
 		<category>Fan</category>
 		<state step="10" min="0" max="100"/>
 	</channel-type>
-	<channel-type id="manualFanSpeed" advanced="true">
-		<item-type>Dimmer</item-type>
-		<label>Manual Fan Speed</label>
-		<description>Deprecated, please use Manual Fan Step instead. This channel will be removed in a later version.</description>
-		<category>Fan</category>
-		<state step="10" min="0" max="100"/>
-	</channel-type>
 	<channel-type id="supplyFanSpeed">
 		<item-type>Number</item-type>
 		<label>Supply Fan Speed</label>