Make Bosch RM230Z HA climate modes configurable

Author: MaxRink

src/devices/bosch.ts

@@ -757,28 +757,36 @@ export const definitions: DefinitionWithExtend[] = [
         model: "BTH-RM230Z",
         vendor: "Bosch",
         description: "Room thermostat II 230V",
+        options: [exposes.options.homeassistant_climate_modes()],
         meta: {
-            overrideHaDiscoveryPayload: (payload) => {
+            overrideHaDiscoveryPayload: (payload, options?: KeyValue) => {
                 if (payload.mode_command_topic?.endsWith("/system_mode")) {
+                    const climateModes = options?.homeassistant_climate_modes;
+                    const activeModes = climateModes === "cool" ? ["cool"] : climateModes === "heat_cool" ? ["heat", "cool"] : ["heat"];
+                    const fallbackMode = activeModes[0];
+                    const activeModesTemplate = `[${activeModes.map((mode) => `'${mode}'`).join(",")}]`;
+
                     payload.mode_command_topic = payload.mode_command_topic.substring(0, payload.mode_command_topic.lastIndexOf("/system_mode"));
                     payload.mode_command_template =
-                        "{% set values = " +
-                        `{ 'auto':'schedule','heat':'manual','cool':'manual','off':'pause'} %}` +
-                        `{% if value == "heat" or value == "cool" %}` +
+                        `{% set active_modes = ${activeModesTemplate} %}` +
+                        `{% set values = {'auto':'schedule','off':'pause'} %}` +
+                        "{% if value in active_modes %}" +
                         `{"operating_mode": "manual", "system_mode": "{{ value }}"}` +
                         "{% else %}" +
                         `{"operating_mode": "{{ values[value] if value in values.keys() else 'pause' }}"}` +
                         "{% endif %}";
                     payload.mode_state_template =
-                        "{% set values = " +
-                        `{'schedule':'auto','manual':'heat','pause':'off'} %}` +
+                        `{% set active_modes = ${activeModesTemplate} %}` +
+                        `{% set fallback_mode = '${fallbackMode}' %}` +
+                        "{% set values = {'schedule':'auto','pause':'off'} %}" +
                         "{% set value = value_json.operating_mode %}" +
-                        `{% if value == "manual" %}` +
-                        "{{ value_json.system_mode }}" +
+                        "{% set mode = value_json.system_mode %}" +
+                        "{% if value == 'manual' %}" +
+                        "{{ mode if mode in active_modes else fallback_mode }}" +
                         "{% else %}" +
                         `{{ values[value] if value in values.keys() else 'off' }}` +
                         "{% endif %}";
-                    payload.modes = ["off", "heat", "cool", "auto"];
+                    payload.modes = ["off", ...activeModes, "auto"];
                 }
             },
         },

src/lib/exposes.ts

@@ -840,6 +840,10 @@ export const options = {
         new Enum("thermostat_unit", access.SET, ["celsius", "fahrenheit"]).withDescription(
             "Controls the temperature unit of the thermostat (default celsius).",
         ),
+    homeassistant_climate_modes: () =>
+        new Enum("homeassistant_climate_modes", access.SET, ["heat", "cool", "heat_cool"])
+            .withLabel("Home Assistant climate modes")
+            .withDescription("Controls which modes are exposed in Home Assistant climate discovery (default heat)."),
     expose_pin: () =>
         new Binary("expose_pin", access.SET, true, false)
             .withLabel("Expose PIN")

test/bosch.test.ts

@@ -0,0 +1,53 @@
+import {describe, expect, it} from "vitest";
+import {findByDevice} from "../src/index";
+import type {KeyValueAny} from "../src/lib/types";
+import {mockDevice} from "./utils";
+
+describe("Bosch Room thermostat II 230V", () => {
+    const getDefinition = () =>
+        findByDevice(
+            mockDevice({
+                modelID: "RBSH-RTH0-ZB-EU",
+                manufacturerName: "BOSCH",
+                endpoints: [{ID: 1, inputClusters: ["hvacThermostat"]}],
+            }),
+        );
+
+    const buildPayload = async (options = {}) => {
+        const definition = await getDefinition();
+        const payload: KeyValueAny = {
+            mode_command_topic: "zigbee2mqtt/bad_thermostat/set/system_mode",
+        };
+
+        definition.meta?.overrideHaDiscoveryPayload?.(payload, options);
+
+        return {definition, payload};
+    };
+
+    it("defaults to heat-only Home Assistant climate discovery", async () => {
+        const {definition, payload} = await buildPayload();
+        const option = definition.options?.find((option) => option.name === "homeassistant_climate_modes");
+
+        expect(option?.label).toBe("Home Assistant climate modes");
+        expect(payload.mode_command_topic).toBe("zigbee2mqtt/bad_thermostat/set");
+        expect(payload.mode_command_template).toContain("{% set active_modes = ['heat'] %}");
+        expect(payload.mode_state_template).toContain("{% set fallback_mode = 'heat' %}");
+        expect(payload.modes).toStrictEqual(["off", "heat", "auto"]);
+    });
+
+    it("can expose cool-only Home Assistant climate discovery", async () => {
+        const {payload} = await buildPayload({homeassistant_climate_modes: "cool"});
+
+        expect(payload.mode_command_template).toContain("{% set active_modes = ['cool'] %}");
+        expect(payload.mode_state_template).toContain("{% set fallback_mode = 'cool' %}");
+        expect(payload.modes).toStrictEqual(["off", "cool", "auto"]);
+    });
+
+    it("can expose heat and cool Home Assistant climate discovery", async () => {
+        const {payload} = await buildPayload({homeassistant_climate_modes: "heat_cool"});
+
+        expect(payload.mode_command_template).toContain("{% set active_modes = ['heat','cool'] %}");
+        expect(payload.mode_state_template).toContain("{% set fallback_mode = 'heat' %}");
+        expect(payload.modes).toStrictEqual(["off", "heat", "cool", "auto"]);
+    });
+});