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Add climate preset support to web server REST API

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The web server's handle_climate_request() parsed mode, fan_mode, and
swing_mode but did not parse preset, making it impossible to set climate
presets via the REST API or web UI.

Also fix the JSON response to always include the presets and
custom_presets arrays when the climate entity supports them, rather than
only when a preset is currently active. This matches how swing_modes is
already handled and ensures the frontend can render preset controls
before one is selected.
This commit is contained in:
Ryan Wagoner
2026-02-17 14:25:49 -05:00
parent 81ed70325c
commit 5b5d3fa9b3
1 changed files with 3 additions and 2 deletions
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5
esphome/components/web_server/web_server.cpp
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@@ -1480,6 +1480,7 @@ void WebServer::handle_climate_request(AsyncWebServerRequest *request, const Url
parse_string_param_(request, ESPHOME_F("mode"), call, &decltype(call)::set_mode);
parse_string_param_(request, ESPHOME_F("fan_mode"), call, &decltype(call)::set_fan_mode);
parse_string_param_(request, ESPHOME_F("swing_mode"), call, &decltype(call)::set_swing_mode);
parse_string_param_(request, ESPHOME_F("preset"), call, &decltype(call)::set_preset);
// Parse temperature parameters
// static_cast needed to disambiguate overloaded setters (float vs optional<float>)
@@ -1536,12 +1537,12 @@ std::string WebServer::climate_json_(climate::Climate *obj, JsonDetail start_con
for (auto swing_mode : traits.get_supported_swing_modes())
opt.add(PSTR_LOCAL(climate::climate_swing_mode_to_string(swing_mode)));
}
if (traits.get_supports_presets() && obj->preset.has_value()) {
if (traits.get_supports_presets()) {
JsonArray opt = root[ESPHOME_F("presets")].to<JsonArray>();
for (climate::ClimatePreset m : traits.get_supported_presets())
opt.add(PSTR_LOCAL(climate::climate_preset_to_string(m)));
}
if (!traits.get_supported_custom_presets().empty() && obj->has_custom_preset()) {
if (!traits.get_supported_custom_presets().empty()) {
JsonArray opt = root[ESPHOME_F("custom_presets")].to<JsonArray>();
for (auto const &custom_preset : traits.get_supported_custom_presets())
opt.add(custom_preset);