add support for VALEHAUS SYZN119 towel warmer

[latel]

name: VALEHAUS Towel Warmer
products:

• id: 1dxb14emvqzxzc5q
  name: VALEHAUS SYZN119

VALEHAUS SYZN119 DPS

"mapping": {
                "1": {
                    "code": "switch",
                    "type": "Boolean",
                    "values": {}
                },
                "2": {
                    "code": "temp_set",
                    "type": "Integer",
                    "values": {
                        "unit": "\u00b0C",
                        "min": 35,
                        "max": 60,
                        "scale": 0,
                        "step": 5
                    }
                },
                "3": {
                    "code": "temp_current",
                    "type": "Integer",
                    "values": {
                        "unit": "\u00b0C",
                        "min": 0,
                        "max": 99,
                        "scale": 0,
                        "step": 1
                    }
                },
                "12": {
                    "code": "countdown_set",
                    "type": "Enum",
                    "values": {
                        "range": [
                            "cancel",
                            "1h",
                            "2h",
                            "3h",
                            "4h",
                            "5h",
                            "6h"
                        ]
                    }
                },
                "13": {
                    "code": "countdown_left",
                    "type": "Integer",
                    "values": {
                        "unit": "min",
                        "min": 0,
                        "max": 1440,
                        "scale": 0,
                        "step": 1
                    }
                },
                "14": {
                    "code": "work_state",
                    "type": "Enum",
                    "values": {
                        "range": [
                            "heating",
                            "standby"
                        ]
                    }
                }
            }

self test

[latel]

There is one thing I have no idea how to fix yet, this device has a count_down dp 12, it's an enum, I map it into homeassistant's select entity, however when I change count_down time to eg 6h, it's still reporting dp 12 with status "cancel" not newly configured "6h".

 {
        "code": "countdown_set",
        "custom_name": "",
        "dp_id": 12,
        "time": 1699687833000,
        "value": "cancel"
      },

this result in that, when I try to set countdown from homeassistant ui, it will result in unkown, after a while.

[make-all]

You may need to observe the dp when you make changes from the app to see if the values match the dps mapping info you have above. If this information is not from the QueryThingsDataModel cloud API call, you may also get more accurate information from that.

[latel]

You may need to observe the dp when you make changes from the app to see if the values match the dps mapping info you have above. If this information is not from the QueryThingsDataModel cloud API call, you may also get more accurate information from that.

I select different values from the enum within Tuya app, and immediate query the latest status data from IOT webpage, the latest value is not the one I selected, it's just always "cancel".
This is the reason why homeassistant report dp 12 as unkown after short period, because the latest value from tuya does not match the one I selected in the homassistant select entity.

[make-all]

This device seems like it should be a climate entity, with two timer related secondary entities.

power = hvac_mode (true = heat, false = "off")
temp_set = temperature
temp_current = current_temperature
work_mode = hvac_action (standby = idle, heating = heating / swapped if that is really a bug in the device)

For the Timer issue, as long as "Time remaining" updates when the timer is set, it should be enough feedback.

[make-all]

Suggested name is "Timer", to be consistent with other devices.

[make-all]

Suggested name is "Time remaining" to be consistent with other devices.

[make-all]

Need feedback on the swapped standby and heating, other issues are minor, which I would fix myself, but I am not sure whether the swapped mapping is intentional, or a mistake.

[latel]

Yes, the swap is intentional, it's a device bug. I have this device myself.