Save sensor values to persistent-state.json

This commit is contained in:
Bendodroid 2024-01-14 01:29:41 +01:00
parent 42483df78c
commit 44143c0c2d
Signed by: bendodroid
GPG key ID: 3EEE19A0F73D5FFC
2 changed files with 41 additions and 4 deletions

View file

@ -54,4 +54,12 @@ type PersistentStateV14 struct {
Open bool `json:"open"`
LastChange int64 `json:"lastchange"`
} `json:"state"`
Sensors map[string][]PersistentEnvironmentSensor `json:"sensors"`
}
type PersistentEnvironmentSensor struct {
Value float64 `json:"value"`
Location string `json:"location"`
Name string `json:"name"`
LastChange int64 `json:"lastchange"`
}

View file

@ -18,8 +18,9 @@ const (
// the file containing the old state.
func MergeOldState(response *types.SpaceAPIResponseV14) {
var (
err error
oldState []byte
err error
oldState []byte
persistedState types.PersistentStateV14
)
log.Println("Merging old state from", savedStateJSONPath, "...")
@ -34,18 +35,35 @@ func MergeOldState(response *types.SpaceAPIResponseV14) {
goto removeOld
}
// Read file and merge
// Read file and load persisted state
oldState, err = os.ReadFile(savedStateJSONPath)
if err != nil {
log.Println("Error reading old state from", savedStateJSONPath, ", skipping merge... error:", err)
goto removeOld
}
err = json.Unmarshal(oldState, response)
err = json.Unmarshal(oldState, &persistedState)
if err != nil {
log.Println(savedStateJSONPath, "doesn't seem to contain valid data... error:", err)
goto removeOld
}
// Merge state
response.State = persistedState.State
// Merge sensors
for key, environmentSensors := range persistedState.Sensors {
for _, sensor := range environmentSensors {
// Order or amount of sensors might have changed, so check sensors already present in response
// and then look for matching values in persisted state
for i := range response.Sensors[key] {
if rs := &response.Sensors[key][i]; rs.Location == sensor.Location && rs.Name == sensor.Name {
rs.Value = sensor.Value
rs.LastChange = sensor.LastChange
}
}
}
}
// Delete old state json
removeOld:
err = os.RemoveAll(savedStateJSONPath)
@ -75,6 +93,17 @@ func SaveCurrentState(response types.SpaceAPIResponseV14) {
LastChange int64 `json:"lastchange"`
}{Open: response.State.Open, LastChange: response.State.LastChange},
}
// Save sensor state
persistentStateV14.Sensors = make(map[string][]types.PersistentEnvironmentSensor)
for key, environmentSensors := range response.Sensors {
persistentStateV14.Sensors[key] = make([]types.PersistentEnvironmentSensor, len(environmentSensors))
for i, sensor := range environmentSensors {
persistentStateV14.Sensors[key][i].Value = sensor.Value
persistentStateV14.Sensors[key][i].Location = sensor.Location
persistentStateV14.Sensors[key][i].Name = sensor.Name
persistentStateV14.Sensors[key][i].LastChange = sensor.LastChange
}
}
// Serialize persistent state
marshal, err := json.MarshalIndent(persistentStateV14, "", "\t")