Add datetime date entities (#6191)

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

esphome/components/mqtt/__init__.py

@@ -113,6 +113,7 @@ MQTTSensorComponent = mqtt_ns.class_("MQTTSensorComponent", MQTTComponent)
 MQTTSwitchComponent = mqtt_ns.class_("MQTTSwitchComponent", MQTTComponent)
 MQTTTextSensor = mqtt_ns.class_("MQTTTextSensor", MQTTComponent)
 MQTTNumberComponent = mqtt_ns.class_("MQTTNumberComponent", MQTTComponent)
+MQTTDatetimeComponent = mqtt_ns.class_("MQTTDatetimeComponent", MQTTComponent)
 MQTTTextComponent = mqtt_ns.class_("MQTTTextComponent", MQTTComponent)
 MQTTSelectComponent = mqtt_ns.class_("MQTTSelectComponent", MQTTComponent)
 MQTTButtonComponent = mqtt_ns.class_("MQTTButtonComponent", MQTTComponent)

esphome/components/mqtt/mqtt_date.cpp

@@ -0,0 +1,68 @@
+#include "mqtt_date.h"
+
+#include <utility>
+#include "esphome/core/log.h"
+
+#include "mqtt_const.h"
+
+#ifdef USE_MQTT
+#ifdef USE_DATETIME_DATE
+
+namespace esphome {
+namespace mqtt {
+
+static const char *const TAG = "mqtt.datetime";
+
+using namespace esphome::datetime;
+
+MQTTDateComponent::MQTTDateComponent(DateEntity *date) : date_(date) {}
+
+void MQTTDateComponent::setup() {
+  this->subscribe_json(this->get_command_topic_(), [this](const std::string &topic, JsonObject root) {
+    auto call = this->date_->make_call();
+    if (root.containsKey("year")) {
+      call.set_year(root["year"]);
+    }
+    if (root.containsKey("month")) {
+      call.set_month(root["month"]);
+    }
+    if (root.containsKey("day")) {
+      call.set_day(root["day"]);
+    }
+    call.perform();
+  });
+  this->date_->add_on_state_callback(
+      [this]() { this->publish_state(this->date_->year, this->date_->month, this->date_->day); });
+}
+
+void MQTTDateComponent::dump_config() {
+  ESP_LOGCONFIG(TAG, "MQTT Date '%s':", this->date_->get_name().c_str());
+  LOG_MQTT_COMPONENT(true, true)
+}
+
+std::string MQTTDateComponent::component_type() const { return "date"; }
+const EntityBase *MQTTDateComponent::get_entity() const { return this->date_; }
+
+void MQTTDateComponent::send_discovery(JsonObject root, mqtt::SendDiscoveryConfig &config) {
+  // Nothing extra to add here
+}
+bool MQTTDateComponent::send_initial_state() {
+  if (this->date_->has_state()) {
+    return this->publish_state(this->date_->year, this->date_->month, this->date_->day);
+  } else {
+    return true;
+  }
+}
+bool MQTTDateComponent::publish_state(uint16_t year, uint8_t month, uint8_t day) {
+  return this->publish_json(this->get_state_topic_(), [year, month, day](JsonObject root) {
+    root["year"] = year;
+    root["month"] = month;
+    root["day"] = day;
+  });
+}
+
+}  // namespace mqtt
+}  // namespace esphome
+
+#endif  // USE_DATETIME_DATE
+#endif  // USE_MQTT

esphome/components/mqtt/mqtt_date.h

@@ -0,0 +1,45 @@
+#pragma once
+
+#include "esphome/core/defines.h"
+
+#ifdef USE_MQTT
+#ifdef USE_DATETIME_DATE
+
+#include "esphome/components/datetime/date_entity.h"
+#include "mqtt_component.h"
+
+namespace esphome {
+namespace mqtt {
+
+class MQTTDateComponent : public mqtt::MQTTComponent {
+ public:
+  /** Construct this MQTTDatetimeComponent instance with the provided friendly_name and datetime
+   *
+   * @param datetime The datetime component.
+   */
+  explicit MQTTDateComponent(datetime::DateEntity *date);
+
+  // ========== INTERNAL METHODS ==========
+  // (In most use cases you won't need these)
+  /// Override setup.
+  void setup() override;
+  void dump_config() override;
+
+  void send_discovery(JsonObject root, mqtt::SendDiscoveryConfig &config) override;
+
+  bool send_initial_state() override;
+
+  bool publish_state(uint16_t year, uint8_t month, uint8_t day);
+
+ protected:
+  std::string component_type() const override;
+  const EntityBase *get_entity() const override;
+
+  datetime::DateEntity *date_;
+};
+
+}  // namespace mqtt
+}  // namespace esphome
+
+#endif  // USE_DATETIME_DATE
+#endif  // USE_MQTT