Add climate dry fan (#845)

* add climate dry fan

* clang-format

* updates, add swing mode, add back compat with old ha

* revert client-config add swing

* sort const.py

* fix missing retur

esphome/components/climate/climate_mode.cpp

@@ -13,6 +13,10 @@ const char *climate_mode_to_string(ClimateMode mode) {
       return "COOL";
     case CLIMATE_MODE_HEAT:
       return "HEAT";
+    case CLIMATE_MODE_FAN_ONLY:
+      return "FAN_ONLY";
+    case CLIMATE_MODE_DRY:
+      return "DRY";
     default:
       return "UNKNOWN";
   }
@@ -30,5 +34,45 @@ const char *climate_action_to_string(ClimateAction action) {
   }
 }
 
+const char *climate_fan_mode_to_string(ClimateFanMode fan_mode) {
+  switch (fan_mode) {
+    case climate::CLIMATE_FAN_ON:
+      return "ON";
+    case climate::CLIMATE_FAN_OFF:
+      return "OFF";
+    case climate::CLIMATE_FAN_AUTO:
+      return "AUTO";
+    case climate::CLIMATE_FAN_LOW:
+      return "LOW";
+    case climate::CLIMATE_FAN_MEDIUM:
+      return "MEDIUM";
+    case climate::CLIMATE_FAN_HIGH:
+      return "HIGH";
+    case climate::CLIMATE_FAN_MIDDLE:
+      return "MIDDLE";
+    case climate::CLIMATE_FAN_FOCUS:
+      return "FOCUS";
+    case climate::CLIMATE_FAN_DIFFUSE:
+      return "DIFFUSE";
+    default:
+      return "UNKNOWN";
+  }
+}
+
+const char *climate_swing_mode_to_string(ClimateSwingMode swing_mode) {
+  switch (swing_mode) {
+    case climate::CLIMATE_SWING_OFF:
+      return "OFF";
+    case climate::CLIMATE_SWING_BOTH:
+      return "BOTH";
+    case climate::CLIMATE_SWING_VERTICAL:
+      return "VERTICAL";
+    case climate::CLIMATE_SWING_HORIZONTAL:
+      return "HORIZONTAL";
+    default:
+      return "UNKNOWN";
+  }
+}
+
 }  // namespace climate
 }  // namespace esphome