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5 changed files with 30 additions and 84 deletions

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@ -3,7 +3,7 @@
`spaceapid` serves a [SpaceAPI](https://spaceapi.io)-compatible JSON on port 8080: `spaceapid` serves a [SpaceAPI](https://spaceapi.io)-compatible JSON on port 8080:
```shell ```shell
$ curl http://localhost:8080 | jq $ curl http://[::1]:8080 | jq
{ {
"api_compatibility": [ "api_compatibility": [
"14" "14"
@ -28,6 +28,26 @@ The config consists of three parts:
See [Running](#Running) for details. See [Running](#Running) for details.
## Updating values
The state of the boolean `state->open` property can be modified via `/state/open`:
```shell
curl -X PUT -u user:password -d true http://[::1]:8080/state/open
```
The same is true for the endpoints for sensors configured under `"dynamic"`.
Currently only the sensors with the `value/unit/location/name/description` schema are implemented.
At the time of writing this includes `temperature`, `barometer`, `humidity`, `beverage_supply`, `power_consumption`, and `account_balance`.
Out-of-spec sensors may be used as well, as long as they share the same schema.
```shell
curl -X PUT -u user:password -d 23.42 http://[::1]:8080/sensors/{temperature,humidity,...}[/location[/name]]
```
As can be seen in the example, the http urls are generated from sensor type and optionally `location` and `name`.
Depending on sensor type, `location` might be required for your sensors, see the schema for details.
## Building ## Building
See the `go.mod` file for minimum required Go version. See the `go.mod` file for minimum required Go version.
@ -42,32 +62,3 @@ env CONFIG_PATH=config-template.json go run .
# OR # OR
go run . -c config-credentials.json,config-dynamic.json,config-response.json go run . -c config-credentials.json,config-dynamic.json,config-response.json
``` ```
## Updating values
The state of the boolean `state->open` and `state->message` property can be modified via `/state/{open,message}`:
```shell
curl -X PUT -u user:password -d true http://localhost:8080/state/open
curl -X PUT -u user:password -d "Nur mit Passierschein A38 :3" http://localhost:8080/state/message
```
As `state->message` is optional, its value can be deleted by using the `PUT` method with an empty payload, or by using `DELETE`:
```shell
curl -X PUT -u user:password -d "" http://localhost:8080/state/message
# OR
curl -X DELETE -u user:password http://localhost:8080/state/message
```
The same updating procedure applies for the endpoints for sensors configured under `"dynamic"`.
Currently only the sensors with the `value/unit/location/name/description` schema are implemented.
At the time of writing this includes `temperature`, `barometer`, `humidity`, `beverage_supply`, `power_consumption`, and `account_balance`.
Out-of-spec sensors may be used as well, as long as they share the same schema.
```shell
curl -X PUT -u user:password -d 23.42 http://localhost:8080/sensors/{temperature,humidity,...}[/location[/name]]
```
As can be seen in the example, the http urls are generated from sensor type and optionally `location` and `name`.
Depending on sensor type, `location` might be required for your sensors, see the schema for details.

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@ -34,37 +34,3 @@ func StateOpen(
resp.LastChange = time.Now().Unix() resp.LastChange = time.Now().Unix()
} }
} }
func StateMessagePUT(
authDB config.HTTPBACredentials, validCredentials []config.HTTPBACredentialID,
resp *types.SpaceState,
) func(http.ResponseWriter, *http.Request) {
return func(w http.ResponseWriter, r *http.Request) {
body, err := updateEndpointValidator(authDB, validCredentials, w, r)
if err != nil {
log.Println(err)
return
}
// Set SpaceAPI response values
resp.Message = string(body)
resp.LastChange = time.Now().Unix()
}
}
func StateMessageDELETE(
authDB config.HTTPBACredentials, validCredentials []config.HTTPBACredentialID,
resp *types.SpaceState,
) func(http.ResponseWriter, *http.Request) {
return func(w http.ResponseWriter, r *http.Request) {
_, err := updateEndpointValidator(authDB, validCredentials, w, r)
if err != nil {
log.Println(err)
return
}
// Set SpaceAPI response values
resp.Message = ""
resp.LastChange = time.Now().Unix()
}
}

12
main.go
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@ -50,22 +50,14 @@ func main() {
os.Exit(0) os.Exit(0)
}(&conf.Response) }(&conf.Response)
// Root handler // Register HTTP handlers
http.HandleFunc("GET /{$}", http.HandleFunc("GET /{$}",
handlers.Root(&conf.Response), handlers.Root(&conf.Response),
) )
// state->open
http.HandleFunc("PUT /state/open", http.HandleFunc("PUT /state/open",
handlers.StateOpen(conf.Credentials, conf.Dynamic.State.Open.AllowedCredentials, &conf.Response.State), handlers.StateOpen(conf.Credentials, conf.Dynamic.State.Open.AllowedCredentials, &conf.Response.State),
) )
// state->message // Register handler for environmental sensors
http.HandleFunc("PUT /state/message",
handlers.StateMessagePUT(conf.Credentials, conf.Dynamic.State.Open.AllowedCredentials, &conf.Response.State),
)
http.HandleFunc("DELETE /state/message",
handlers.StateMessageDELETE(conf.Credentials, conf.Dynamic.State.Open.AllowedCredentials, &conf.Response.State),
)
// Register handlers for environmental sensors
for sensorType, envSensorConfigs := range conf.Dynamic.Sensors { for sensorType, envSensorConfigs := range conf.Dynamic.Sensors {
for i, envSensorConfig := range envSensorConfigs { for i, envSensorConfig := range envSensorConfigs {
urlPattern := "PUT " + util.GetSensorURLPath( urlPattern := "PUT " + util.GetSensorURLPath(

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@ -91,8 +91,7 @@ func SaveCurrentState(response types.SpaceAPIResponseV14) {
State: struct { State: struct {
Open bool `json:"open"` Open bool `json:"open"`
LastChange int64 `json:"lastchange"` LastChange int64 `json:"lastchange"`
Message string `json:"message,omitempty"` }{Open: response.State.Open, LastChange: response.State.LastChange},
}{Open: response.State.Open, LastChange: response.State.LastChange, Message: response.State.Message},
} }
// Save sensor state // Save sensor state
persistentStateV14.Sensors = make(map[string][]types.PersistentEnvironmentSensor) persistentStateV14.Sensors = make(map[string][]types.PersistentEnvironmentSensor)

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@ -40,7 +40,6 @@ type SpaceAPIResponseV14 struct {
type SpaceState struct { type SpaceState struct {
Open bool `json:"open"` Open bool `json:"open"`
LastChange int64 `json:"lastchange"` LastChange int64 `json:"lastchange"`
Message string `json:"message,omitempty"`
} }
type EnvironmentSensor struct { type EnvironmentSensor struct {
@ -56,7 +55,6 @@ type PersistentStateV14 struct {
State struct { State struct {
Open bool `json:"open"` Open bool `json:"open"`
LastChange int64 `json:"lastchange"` LastChange int64 `json:"lastchange"`
Message string `json:"message,omitempty"`
} `json:"state"` } `json:"state"`
Sensors map[string][]PersistentEnvironmentSensor `json:"sensors,omitempty"` Sensors map[string][]PersistentEnvironmentSensor `json:"sensors,omitempty"`
} }