TrasportAPI-HASS

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TrasportAPI-HASS

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UK bus & train status TransportAPI Home-assistant component ADDED TO HA

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# TrasportAPI-HASS
UK bus and train TransportAPI component. Requires developer account on http://www.transportapi.com/

The `uk_transport` sensor will display the time in minutes until the next departure in a specified direction from of a configured train station or bus stop. The sensor uses [transportAPI](http://www.transportapi.com/) to query live departure data and requires a developer application ID and key which can be obtained [here](https://developer.transportapi.com/). The [free tier](http://www.transportapi.com/plans/) allows 1000 requests daily, which is sufficient for a single sensor refreshing every 87 seconds. See **Managing API requests** at bottom of page.

Additional sensors can be added but at the expense of a reduced refresh rate. 2 sensors can be updated every 2*87 = 174 seconds, and so on.

Queries are entered as a list, with the two transport modes available being `bus` and `train`.

Train departure sensors require three character long `origin` and `destination` station codes which are searchable on the [National Rail enquiries](http://www.nationalrail.co.uk/times_fares/ldb.aspx) website (e.g. `WAT` is London Waterloo). The validity of a route can be checked by performing a GET request to `/uk/train/station/{station_code}/live.json` in the [API reference webpage](https://developer.transportapi.com/docs?raml=https://transportapi.com/v3/raml/transportapi.raml##request_uk_train_station_station_code_live_json).

To add a single train departure sensor add the following to your `configuration.yaml` file:

```yaml
# Example configuration.yaml entry for a single sensor
sensor:
  - platform: uk_transport
    app_id: abc123
    app_key: efg456
    queries:
      - mode: train
        origin: MAL
        destination: WAT
```

Configuration variables:

- **app_id** (*Required*): Your application id
- **app_key** (*Required*): Your application key
- **queries** array (*Required*): At least one entry required.
- **mode** (*Required*): One of `bus` or `train`.
- **origin** (*Required*): Specify the three character long origin station code.
- **destination** (*Required*): Specify the three character long destination station code.

A large amount of information about upcoming departures is available within the attributes of the sensor. The example above creates a sensor with ID `sensor.next_train_to_wat` with the attribute `next_trains` which is a list of the next 25 departing trains. The status of the next departing train is accessed using the [template sensor](https://home-assistant.io/components/sensor.template/) below, as are the train origin, estimated and scheduled departure times, and the departure platform.

```yaml
# Example configuration.yaml entry for a template sensor to access the attributes of the next departing train.
- platform: template
  sensors:
    next_train_status:
      friendly_name: 'Next train status'
      value_template: '{{states.sensor.next_train_to_wat.attributes.next_trains[0].status}}'
    next_trains_origin:
      friendly_name: 'Next train origin'
      value_template: '{{states.sensor.next_train_to_wat.attributes.next_trains[0].origin_name}}'
    next_trains_estimated:
      friendly_name: 'Next train estimated'
      value_template: '{{states.sensor.next_train_to_wat.attributes.next_trains[0].estimated}}'
    next_trains_scheduled:
      friendly_name: 'Next train scheduled'
      value_template: '{{states.sensor.next_train_to_wat.attributes.next_trains[0].scheduled}}'
    next_trains_platform:
      friendly_name: 'Next train platform'
      value_template: '{{states.sensor.next_train_to_wat.attributes.next_trains[0].platform}}'

```

Bus sensors require as their `origin` a bus stop ATCO code which can be found by browsing OpenStreetMap data as
follows:

1. On [OpenStreetMap.org](http://www.openstreetmap.org/) zoom right in on a bus
stop you're interested in
2. Click the layers picker button on the right hand side
3. Tick the 'map data' layer, and wait for clickable objects to load
4. Click the bus stop node to reveal its tags on the left

The `destination` must be a valid location returned by the transportAPI query. Valid destinations can be checked by performing a GET query to  `/uk/bus/stop/{atcocode}/live.json` in the [API reference webpage](https://developer.transportapi.com/docs?raml=https://transportapi.com/v3/raml/transportapi.raml##bus_information). A bus sensor is added in the following `configuration.yaml` file entry:

```yaml
# Example configuration.yaml entry for multiple sensors
sensor:
  - platform: uk_transport
    app_id: abc123
    app_key: efg456
    queries:
      - mode: bus
        origin: 340000368SHE
        destination: Wantage
      - mode: train
        origin: MAL
        destination: WAT
```

And the template sensor for viewing the next bus attributes.

```yaml
# Example configuration.yaml entry for a template sensor to access the attributes of the next departing bus.
- platform: template
  sensors:
    next_bus_route:
      friendly_name: 'Next bus route'
      value_template: '{{states.sensor.next_bus_to_wantage.attributes.next_buses[0].route}}'
    next_bus_direction:
      friendly_name: 'Next bus direction'
      value_template: '{{states.sensor.next_bus_to_wantage.attributes.next_buses[0].direction}}'
    next_bus_scheduled:
      friendly_name: 'Next bus scheduled'
      value_template: '{{states.sensor.next_bus_to_wantage.attributes.next_buses[0].scheduled}}'
    next_bus_estimated:
      friendly_name: 'Next bus estimated'
      value_template: '{{states.sensor.next_bus_to_wantage.attributes.next_buses[0].estimated}}'

```

## Managing API requests
Use the service `homeassistant.update_entity` to request the update of an entity, rather than waiting for the next scheduled update. This means you can set a really long `scan_interval` in the config options and then update on demand, ideal for those services where you have low API limit.

## Display a timetable using Lovelace
To display a timetable like the one below using Lovelace UI, first get the [flex-table-card](https://github.com/custom-cards/flex-table-card) then edit your `ui-lovelace.yaml` file to include something like:

```yaml
resources:
  - type: js
    url: /local/flex-table-card.js
.
.
.
      - type: custom:flex-table-card
        title: Trains to Waterloo
        entities:
          include: sensor.next_train_to_wat
        columns:
          - name: Origin
            attr_as_list: next_trains
            modify: x.origin_name
          - name: Destination
            attr_as_list: next_trains
            modify: x.destination_name
          - name: Time
            attr_as_list: next_trains
            modify: x.scheduled
          - name: Est
            attr_as_list: next_trains
            modify: x.estimated
```

TrasportAPI-HASS

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