add template fan (#6310)

esphome/components/template/fan/__init__.py

@@ -0,0 +1,43 @@
+import esphome.codegen as cg
+import esphome.config_validation as cv
+from esphome.components import fan
+from esphome.components.fan import validate_preset_modes
+from esphome.const import (
+    CONF_OUTPUT_ID,
+    CONF_PRESET_MODES,
+    CONF_SPEED_COUNT,
+)
+
+from .. import template_ns
+
+CODEOWNERS = ["@ssieb"]
+
+TemplateFan = template_ns.class_("TemplateFan", cg.Component, fan.Fan)
+
+CONF_HAS_DIRECTION = "has_direction"
+CONF_HAS_OSCILLATING = "has_oscillating"
+
+CONFIG_SCHEMA = fan.FAN_SCHEMA.extend(
+    {
+        cv.GenerateID(CONF_OUTPUT_ID): cv.declare_id(TemplateFan),
+        cv.Optional(CONF_HAS_DIRECTION, default=False): cv.boolean,
+        cv.Optional(CONF_HAS_OSCILLATING, default=False): cv.boolean,
+        cv.Optional(CONF_SPEED_COUNT): cv.int_range(min=1),
+        cv.Optional(CONF_PRESET_MODES): validate_preset_modes,
+    }
+).extend(cv.COMPONENT_SCHEMA)
+
+
+async def to_code(config):
+    var = cg.new_Pvariable(config[CONF_OUTPUT_ID])
+    await cg.register_component(var, config)
+    await fan.register_fan(var, config)
+
+    cg.add(var.set_has_direction(config[CONF_HAS_DIRECTION]))
+    cg.add(var.set_has_oscillating(config[CONF_HAS_OSCILLATING]))
+
+    if CONF_SPEED_COUNT in config:
+        cg.add(var.set_speed_count(config[CONF_SPEED_COUNT]))
+
+    if CONF_PRESET_MODES in config:
+        cg.add(var.set_preset_modes(config[CONF_PRESET_MODES]))