Add valve component (#6447)

Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>

esphome/components/template/valve/template_valve.h

@@ -0,0 +1,60 @@
+#pragma once
+
+#include "esphome/core/component.h"
+#include "esphome/core/automation.h"
+#include "esphome/components/valve/valve.h"
+
+namespace esphome {
+namespace template_ {
+
+enum TemplateValveRestoreMode {
+  VALVE_NO_RESTORE,
+  VALVE_RESTORE,
+  VALVE_RESTORE_AND_CALL,
+};
+
+class TemplateValve : public valve::Valve, public Component {
+ public:
+  TemplateValve();
+
+  void set_state_lambda(std::function<optional<float>()> &&f);
+  Trigger<> *get_open_trigger() const;
+  Trigger<> *get_close_trigger() const;
+  Trigger<> *get_stop_trigger() const;
+  Trigger<> *get_toggle_trigger() const;
+  Trigger<float> *get_position_trigger() const;
+  void set_optimistic(bool optimistic);
+  void set_assumed_state(bool assumed_state);
+  void set_has_stop(bool has_stop);
+  void set_has_position(bool has_position);
+  void set_has_toggle(bool has_toggle);
+  void set_restore_mode(TemplateValveRestoreMode restore_mode) { restore_mode_ = restore_mode; }
+
+  void setup() override;
+  void loop() override;
+  void dump_config() override;
+
+  float get_setup_priority() const override;
+
+ protected:
+  void control(const valve::ValveCall &call) override;
+  valve::ValveTraits get_traits() override;
+  void stop_prev_trigger_();
+
+  TemplateValveRestoreMode restore_mode_{VALVE_NO_RESTORE};
+  optional<std::function<optional<float>()>> state_f_;
+  bool assumed_state_{false};
+  bool optimistic_{false};
+  Trigger<> *open_trigger_;
+  Trigger<> *close_trigger_;
+  bool has_stop_{false};
+  bool has_toggle_{false};
+  Trigger<> *stop_trigger_;
+  Trigger<> *toggle_trigger_;
+  Trigger<> *prev_command_trigger_{nullptr};
+  Trigger<float> *position_trigger_;
+  bool has_position_{false};
+};
+
+}  // namespace template_
+}  // namespace esphome