[haier] `text_sensor and button` platforms (#6780)

esphome/components/haier/button/__init__.py

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+import esphome.codegen as cg
+import esphome.config_validation as cv
+from esphome.components import button
+from ..climate import (
+    CONF_HAIER_ID,
+    HonClimate,
+    haier_ns,
+)
+
+CODEOWNERS = ["@paveldn"]
+SelfCleaningButton = haier_ns.class_("SelfCleaningButton", button.Button)
+SteriCleaningButton = haier_ns.class_("SteriCleaningButton", button.Button)
+
+
+# Haier buttons
+CONF_SELF_CLEANING = "self_cleaning"
+CONF_STERI_CLEANING = "steri_cleaning"
+
+# Additional icons
+ICON_SPRAY_BOTTLE = "mdi:spray-bottle"
+
+CONFIG_SCHEMA = cv.Schema(
+    {
+        cv.Required(CONF_HAIER_ID): cv.use_id(HonClimate),
+        cv.Optional(CONF_SELF_CLEANING): button.button_schema(
+            SelfCleaningButton,
+            icon=ICON_SPRAY_BOTTLE,
+        ),
+        cv.Optional(CONF_STERI_CLEANING): button.button_schema(
+            SteriCleaningButton,
+            icon=ICON_SPRAY_BOTTLE,
+        ),
+    }
+)
+
+
+async def to_code(config):
+    for button_type in [CONF_SELF_CLEANING, CONF_STERI_CLEANING]:
+        if conf := config.get(button_type):
+            btn = await button.new_button(conf)
+            await cg.register_parented(btn, config[CONF_HAIER_ID])

esphome/components/haier/button/self_cleaning.cpp

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+#include "self_cleaning.h"
+
+namespace esphome {
+namespace haier {
+
+void SelfCleaningButton::press_action() { this->parent_->start_self_cleaning(); }
+
+}  // namespace haier
+}  // namespace esphome

esphome/components/haier/button/self_cleaning.h

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+#pragma once
+
+#include "esphome/components/button/button.h"
+#include "../hon_climate.h"
+
+namespace esphome {
+namespace haier {
+
+class SelfCleaningButton : public button::Button, public Parented<HonClimate> {
+ public:
+  SelfCleaningButton() = default;
+
+ protected:
+  void press_action() override;
+};
+
+}  // namespace haier
+}  // namespace esphome

esphome/components/haier/button/steri_cleaning.cpp

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+#include "steri_cleaning.h"
+
+namespace esphome {
+namespace haier {
+
+void SteriCleaningButton::press_action() { this->parent_->start_steri_cleaning(); }
+
+}  // namespace haier
+}  // namespace esphome

esphome/components/haier/button/steri_cleaning.h

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+#pragma once
+
+#include "esphome/components/button/button.h"
+#include "../hon_climate.h"
+
+namespace esphome {
+namespace haier {
+
+class SteriCleaningButton : public button::Button, public Parented<HonClimate> {
+ public:
+  SteriCleaningButton() = default;
+
+ protected:
+  void press_action() override;
+};
+
+}  // namespace haier
+}  // namespace esphome