[mqtt.homeassistant] VETO updates to read only channels (#15937)

I.e. Button, Scene, and Binary Sensors.

Also ensure we set up the CommandDescription, since some value types mights use it.

Signed-off-by: Cody Cutrer <cody@cutrer.us>

bundles/org.openhab.binding.mqtt.homeassistant/src/main/java/org/openhab/binding/mqtt/homeassistant/internal/ComponentChannel.java

@@ -33,12 +33,14 @@ import org.openhab.core.io.transport.mqtt.MqttBrokerConnection;
 import org.openhab.core.thing.Channel;
 import org.openhab.core.thing.ChannelUID;
 import org.openhab.core.thing.binding.builder.ChannelBuilder;
+import org.openhab.core.thing.type.AutoUpdatePolicy;
 import org.openhab.core.thing.type.ChannelDefinition;
 import org.openhab.core.thing.type.ChannelDefinitionBuilder;
 import org.openhab.core.thing.type.ChannelType;
 import org.openhab.core.thing.type.ChannelTypeBuilder;
 import org.openhab.core.thing.type.ChannelTypeUID;
 import org.openhab.core.types.Command;
+import org.openhab.core.types.CommandDescription;
 import org.openhab.core.types.StateDescriptionFragment;
 
 /**
@@ -130,6 +132,7 @@ public class ComponentChannel {
         private boolean retain;
         private boolean trigger;
         private boolean isAdvanced;
+        private @Nullable AutoUpdatePolicy autoUpdatePolicy;
         private @Nullable Integer qos;
         private @Nullable Predicate<Command> commandFilter;
 
@@ -203,6 +206,11 @@ public class ComponentChannel {
             return this;
         }
 
+        public Builder withAutoUpdatePolicy(@Nullable AutoUpdatePolicy autoUpdatePolicy) {
+            this.autoUpdatePolicy = autoUpdatePolicy;
+            return this;
+        }
+
         public Builder commandFilter(@Nullable Predicate<Command> commandFilter) {
             this.commandFilter = commandFilter;
             return this;
@@ -237,23 +245,26 @@ public class ComponentChannel {
                 isAdvanced = true;
             }
 
+            ChannelTypeBuilder typeBuilder;
             if (this.trigger) {
-                type = ChannelTypeBuilder.trigger(channelTypeUID, label)
+                typeBuilder = ChannelTypeBuilder.trigger(channelTypeUID, label);
-                        .withConfigDescriptionURI(URI.create(MqttBindingConstants.CONFIG_HA_CHANNEL))
-                        .isAdvanced(isAdvanced).build();
             } else {
-                StateDescriptionFragment description = valueState.createStateDescription(commandTopic == null).build();
+                StateDescriptionFragment stateDescription = valueState.createStateDescription(commandTopic == null)
-                type = ChannelTypeBuilder.state(channelTypeUID, label, channelState.getItemType())
+                        .build();
-                        .withConfigDescriptionURI(URI.create(MqttBindingConstants.CONFIG_HA_CHANNEL))
+                CommandDescription commandDescription = valueState.createCommandDescription().build();
-                        .withStateDescriptionFragment(description).isAdvanced(isAdvanced).build();
+                typeBuilder = ChannelTypeBuilder.state(channelTypeUID, label, channelState.getItemType())
+                        .withStateDescriptionFragment(stateDescription).withCommandDescription(commandDescription);
             }
+            type = typeBuilder.withConfigDescriptionURI(URI.create(MqttBindingConstants.CONFIG_HA_CHANNEL))
+                    .isAdvanced(isAdvanced).build();
 
             Configuration configuration = new Configuration();
             configuration.put("config", component.getChannelConfigurationJson());
             component.getHaID().toConfig(configuration);
 
             channel = ChannelBuilder.create(channelUID, channelState.getItemType()).withType(channelTypeUID)
-                    .withKind(type.getKind()).withLabel(label).withConfiguration(configuration).build();
+                    .withKind(type.getKind()).withLabel(label).withConfiguration(configuration)
+                    .withAutoUpdatePolicy(autoUpdatePolicy).build();
 
             ComponentChannel result = new ComponentChannel(channelUID, channelState, channel, type, channelTypeUID,
                     channelStateUpdateListener);

bundles/org.openhab.binding.mqtt.homeassistant/src/main/java/org/openhab/binding/mqtt/homeassistant/internal/component/BinarySensor.java

@@ -22,6 +22,7 @@ import org.openhab.binding.mqtt.generic.values.Value;
 import org.openhab.binding.mqtt.homeassistant.internal.config.dto.AbstractChannelConfiguration;
 import org.openhab.binding.mqtt.homeassistant.internal.listener.ExpireUpdateStateListener;
 import org.openhab.binding.mqtt.homeassistant.internal.listener.OffDelayUpdateStateListener;
+import org.openhab.core.thing.type.AutoUpdatePolicy;
 
 import com.google.gson.annotations.SerializedName;
 
@@ -72,7 +73,8 @@ public class BinarySensor extends AbstractComponent<BinarySensor.ChannelConfigur
         OnOffValue value = new OnOffValue(channelConfiguration.payloadOn, channelConfiguration.payloadOff);
 
         buildChannel(SENSOR_CHANNEL_ID, value, "value", getListener(componentConfiguration, value))
-                .stateTopic(channelConfiguration.stateTopic, channelConfiguration.getValueTemplate()).build();
+                .stateTopic(channelConfiguration.stateTopic, channelConfiguration.getValueTemplate())
+                .withAutoUpdatePolicy(AutoUpdatePolicy.VETO).build();
     }
 
     private ChannelStateUpdateListener getListener(ComponentFactory.ComponentConfiguration componentConfiguration,

bundles/org.openhab.binding.mqtt.homeassistant/src/main/java/org/openhab/binding/mqtt/homeassistant/internal/component/Button.java

@@ -16,6 +16,7 @@ import org.eclipse.jdt.annotation.NonNullByDefault;
 import org.eclipse.jdt.annotation.Nullable;
 import org.openhab.binding.mqtt.generic.values.TextValue;
 import org.openhab.binding.mqtt.homeassistant.internal.config.dto.AbstractChannelConfiguration;
+import org.openhab.core.thing.type.AutoUpdatePolicy;
 
 import com.google.gson.annotations.SerializedName;
 
@@ -53,6 +54,6 @@ public class Button extends AbstractComponent<Button.ChannelConfiguration> {
         buildChannel(BUTTON_CHANNEL_ID, value, getName(), componentConfiguration.getUpdateListener())
                 .commandTopic(channelConfiguration.commandTopic, channelConfiguration.isRetain(),
                         channelConfiguration.getQos())
-                .build();
+                .withAutoUpdatePolicy(AutoUpdatePolicy.VETO).build();
     }
 }

bundles/org.openhab.binding.mqtt.homeassistant/src/main/java/org/openhab/binding/mqtt/homeassistant/internal/component/Scene.java

@@ -16,6 +16,7 @@ import org.eclipse.jdt.annotation.NonNullByDefault;
 import org.eclipse.jdt.annotation.Nullable;
 import org.openhab.binding.mqtt.generic.values.TextValue;
 import org.openhab.binding.mqtt.homeassistant.internal.config.dto.AbstractChannelConfiguration;
+import org.openhab.core.thing.type.AutoUpdatePolicy;
 
 import com.google.gson.annotations.SerializedName;
 
@@ -51,6 +52,6 @@ public class Scene extends AbstractComponent<Scene.ChannelConfiguration> {
         buildChannel(SCENE_CHANNEL_ID, value, getName(), componentConfiguration.getUpdateListener())
                 .commandTopic(channelConfiguration.commandTopic, channelConfiguration.isRetain(),
                         channelConfiguration.getQos())
-                .build();
+                .withAutoUpdatePolicy(AutoUpdatePolicy.VETO).build();
     }
 }

bundles/org.openhab.binding.mqtt.homeassistant/src/test/java/org/openhab/binding/mqtt/homeassistant/internal/component/ButtonTests.java

@@ -16,12 +16,14 @@ import static org.hamcrest.CoreMatchers.is;
 import static org.hamcrest.MatcherAssert.assertThat;
 import static org.junit.jupiter.api.Assertions.assertThrows;
 
+import java.util.Objects;
 import java.util.Set;
 
 import org.eclipse.jdt.annotation.NonNullByDefault;
 import org.junit.jupiter.api.Test;
 import org.openhab.binding.mqtt.generic.values.TextValue;
 import org.openhab.core.library.types.StringType;
+import org.openhab.core.thing.type.AutoUpdatePolicy;
 
 /**
  * Tests for {@link Button}
@@ -57,6 +59,8 @@ public class ButtonTests extends AbstractComponentTests {
 
         assertChannel(component, Button.BUTTON_CHANNEL_ID, "", "esphome/single-car-gdo/button/restart/command",
                 "Restart", TextValue.class);
+        assertThat(Objects.requireNonNull(component.getChannel(Button.BUTTON_CHANNEL_ID)).getChannel()
+                .getAutoUpdatePolicy(), is(AutoUpdatePolicy.VETO));
 
         assertThrows(IllegalArgumentException.class,
                 () -> component.getChannel(Button.BUTTON_CHANNEL_ID).getState().publishValue(new StringType("ON")));