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Ported location recorder

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This commit is contained in:
Tianyu Liu
2024-09-18 16:41:26 +02:00
parent 197b9a3d63
commit d8d6c8bb35
4 changed files with 249 additions and 17 deletions
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5
src/cmd/serve.go
View File

@@ -18,6 +18,7 @@ import (
"github.com/spf13/cobra"
"github.com/spf13/viper"
"github.com/t-liu93/home-automation-backend/components/homeassistant"
"github.com/t-liu93/home-automation-backend/components/locationRecorder"
"github.com/t-liu93/home-automation-backend/components/pooRecorder"
"github.com/t-liu93/home-automation-backend/util/notion"
)
@@ -45,6 +46,8 @@ func initUtil() {
func initComponent() {
// init pooRecorder
pooRecorder.Init(&scheduler)
// init location recorder
locationRecorder.Init()
}
func serve(cmd *cobra.Command, args []string) {
@@ -100,6 +103,8 @@ func serve(cmd *cobra.Command, args []string) {
router.HandleFunc("/homeassistant/publish", homeassistant.HandleHaMessage).Methods("POST")
router.HandleFunc("/location/record", locationRecorder.HandleRecordLocation).Methods("POST")
srv := &http.Server{
Addr: ":" + port,
Handler: router,

24
src/components/homeassistant/homeassistant.go
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@@ -5,6 +5,7 @@ import (
"fmt"
"log/slog"
"net/http"
"strings"
"time"
"github.com/spf13/viper"
@@ -30,6 +31,8 @@ func HandleHaMessage(w http.ResponseWriter, r *http.Request) {
switch message.Target {
case "poo_recorder":
handlePooRecorderMsg(message)
case "location_recorder":
handleLocationRecorderMsg(message)
}
}
@@ -42,6 +45,27 @@ func handlePooRecorderMsg(message haMessage) {
}
func handleLocationRecorderMsg(message haMessage) {
if message.Action == "record" {
port := viper.GetString("port")
req, err := http.NewRequest("POST", "http://localhost:"+port+"/location/record", strings.NewReader(strings.ReplaceAll(message.Content, "'", "\"")))
if err != nil {
slog.Warn(fmt.Sprintln("handleLocationRecorderMsg Error creating request to location recorder", err))
return
}
req.Header.Set("Content-Type", "application/json")
client := &http.Client{
Timeout: time.Second * 1,
}
_, err = client.Do(req)
if err != nil {
slog.Warn(fmt.Sprintln("handleLocationRecorderMsg Error sending request to location recorder", err))
}
} else {
slog.Warn(fmt.Sprintln("handleLocationRecorderMsg Unknown action", message.Action))
}
}
func handleGetLatestPoo() {
client := &http.Client{
Timeout: time.Second * 1,

194
src/components/locationRecorder/locationRecorder.go Normal file
View File

@@ -0,0 +1,194 @@
package locationRecorder
import (
"database/sql"
"encoding/json"
"fmt"
"log/slog"
"net/http"
"os"
"strconv"
"time"
"github.com/spf13/viper"
)
var (
db *sql.DB
)
const (
currentDBVersion = 2
)
type Location struct {
Person string `json:"person"`
DateTime string `json:"datetime"`
Latitude float64 `json:"latitude"`
Longitude float64 `json:"longitude"`
Altitude sql.NullFloat64 `json:"altitude,omitempty"`
}
type LocationContent struct {
Person string `json:"person"`
Latitude string `json:"latitude"`
Longitude string `json:"longitude"`
Altitude string `json:"altitude,omitempty"`
}
func Init() {
initDb()
}
func HandleRecordLocation(w http.ResponseWriter, r *http.Request) {
var location LocationContent
decoder := json.NewDecoder(r.Body)
decoder.DisallowUnknownFields()
err := decoder.Decode(&location)
if err != nil {
slog.Warn(fmt.Sprintln("HandleRecordLocation Error decoding request body", err))
http.Error(w, err.Error(), http.StatusBadRequest)
return
}
latiF64, _ := strconv.ParseFloat(location.Latitude, 64)
longiF64, _ := strconv.ParseFloat(location.Longitude, 64)
altiF64, _ := strconv.ParseFloat(location.Altitude, 64)
InsertLocationNow(location.Person, latiF64, longiF64, altiF64)
}
func InsertLocation(person string, datetime time.Time, latitude float64, longitude float64, altitude float64) {
_, err := db.Exec(`INSERT OR IGNORE INTO location (person, datetime, latitude, longitude, altitude) VALUES (?, ?, ?, ?, ?)`,
person, datetime.UTC().Format(time.RFC3339), latitude, longitude, altitude)
if err != nil {
slog.Error(fmt.Sprintln("LocationRecorder.InsertLocation Error inserting location", err))
}
}
func InsertLocationNow(person string, latitude float64, longitude float64, altitude float64) {
InsertLocation(person, time.Now(), latitude, longitude, altitude)
}
func initDb() {
if !viper.InConfig("locationRecorder.dbPath") {
slog.Info("LocationRecorderInit dbPath not found in config file, using default: location_recorder.db")
viper.SetDefault("locationRecorder.dbPath", "location_recorder.db")
}
dbPath := viper.GetString("locationRecorder.dbPath")
err := error(nil)
db, err = sql.Open("sqlite", dbPath)
if err != nil {
slog.Error(fmt.Sprintln("LocationRecorderInit Error opening database", err))
os.Exit(1)
}
err = db.Ping()
if err != nil {
slog.Error(fmt.Sprintln("LocationRecorderInit Error pinging database", err))
os.Exit(1)
}
migrateDb()
}
func migrateDb() {
var userVersion int
err := db.QueryRow("PRAGMA user_version").Scan(&userVersion)
if err != nil {
slog.Error(fmt.Sprintln("LocationRecorderInit Error getting db user version", err))
os.Exit(1)
}
if userVersion == 0 {
migrateDb0To1(&userVersion)
}
if userVersion == 1 {
migrateDb1To2(&userVersion)
}
if userVersion != currentDBVersion {
slog.Error(fmt.Sprintln("LocationRecorderInit Error unsupported database version", userVersion))
os.Exit(1)
}
}
func migrateDb0To1(userVersion *int) {
// this is actually create new db
slog.Info("Creating location recorder database version 1..")
_, err := db.Exec(`CREATE TABLE IF NOT EXISTS location (
person TEXT NOT NULL,
datetime TEXT NOT NULL,
latitude REAL NOT NULL,
longitude REAL NOT NULL,
altitude REAL,
PRIMARY KEY (person, datetime))`)
if err != nil {
slog.Error(fmt.Sprintln("LocationRecorderInit DB0To1 Error creating table", err))
os.Exit(1)
}
_, err = db.Exec(`PRAGMA user_version = 1`)
if err != nil {
slog.Error(fmt.Sprintln("LocationRecorderInit DB0To1 Error setting user version to 1", err))
os.Exit(1)
}
*userVersion = 1
}
func migrateDb1To2(userVersion *int) {
// this will change the datetime format into Real RFC3339
slog.Info("Migrating location recorder database version 1 to 2..")
dbTx, err := db.Begin()
if err != nil {
slog.Error(fmt.Sprintln("LocationRecorderInit DB1To2 Error beginning transaction", err))
os.Exit(1)
}
fail := func(err error, step string) {
slog.Error(fmt.Sprintf("LocationRecorderInit DB1To2 Error %s: %s", step, err))
dbTx.Rollback()
os.Exit(1)
}
_, err = dbTx.Exec(`ALTER TABLE location RENAME TO location_old`)
if err != nil {
fail(err, "renaming table")
}
_, err = dbTx.Exec(`CREATE TABLE IF NOT EXISTS location (
person TEXT NOT NULL,
datetime TEXT NOT NULL,
latitude REAL NOT NULL,
longitude REAL NOT NULL,
altitude REAL,
PRIMARY KEY (person, datetime))`)
if err != nil {
fail(err, "creating new table")
}
row, err := dbTx.Query(`SELECT person, datetime, latitude, longitude, altitude FROM location_old`)
if err != nil {
fail(err, "selecting from old table")
}
defer row.Close()
for row.Next() {
var location Location
err = row.Scan(&location.Person, &location.DateTime, &location.Latitude, &location.Longitude, &location.Altitude)
if err != nil {
fail(err, "scanning row")
}
dateTime, err := time.Parse("2006-01-02T15:04:05-0700", location.DateTime)
if err != nil {
fail(err, "parsing datetime")
}
_, err = dbTx.Exec(`INSERT INTO location (person, datetime, latitude, longitude, altitude) VALUES (?, ?, ?, ?, ?)`, location.Person, dateTime.UTC().Format(time.RFC3339), location.Latitude, location.Longitude, location.Altitude)
if err != nil {
fail(err, "inserting new row")
}
}
_, err = dbTx.Exec(`DROP TABLE location_old`)
if err != nil {
fail(err, "dropping old table")
}
_, err = dbTx.Exec(`PRAGMA user_version = 2`)
if err != nil {
slog.Error(fmt.Sprintln("LocationRecorderInit Error setting user version to 2", err))
os.Exit(1)
}
dbTx.Commit()
*userVersion = 2
}

39
src/components/pooRecorder/pooRecorder.go
View File

@@ -33,6 +33,7 @@ type recordDetail struct {
type pooStatusSensorAttributes struct {
LastPoo string `json:"last_poo"`
FriendlyName string `json:"friendly_name,"`
}
type pooStatusWebhookBody struct {
@@ -49,6 +50,8 @@ type pooStatusDbEntry struct {
func Init(mainScheduler *gocron.Scheduler) {
initDb()
initScheduler(mainScheduler)
notionDbSync()
publishLatestPooSensor()
}
func HandleRecordPoo(w http.ResponseWriter, r *http.Request) {
@@ -73,14 +76,7 @@ func HandleRecordPoo(w http.ResponseWriter, r *http.Request) {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
pooStatus := homeassistantutil.HttpSensor{
EntityId: "sensor.test_poo_sensor",
State: record.Status,
Attributes: pooStatusSensorAttributes{
LastPoo: now.Format("Mon | 2006-01-02 | 15:04"),
},
}
homeassistantutil.PublishSensor(pooStatus)
publishLatestPooSensor()
if viper.InConfig("pooRecorder.webhookId") {
homeassistantutil.TriggerWebhook(viper.GetString("pooRecorder.webhookId"), pooStatusWebhookBody{Status: record.Status})
} else {
@@ -89,34 +85,47 @@ func HandleRecordPoo(w http.ResponseWriter, r *http.Request) {
}
func HandleNotifyLatestPoo(w http.ResponseWriter, r *http.Request) {
err := publishLatestPooSensor()
if err != nil {
slog.Warn(fmt.Sprintln("HandleNotifyLatestPoo Error publishing latest poo", err))
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
slog.Debug(fmt.Sprintln("HandleGetLatestPoo Latest poo"))
}
func publishLatestPooSensor() error {
var latest pooStatusDbEntry
err := db.QueryRow(`SELECT timestamp, status, latitude, longitude FROM poo_records ORDER BY timestamp DESC LIMIT 1`).Scan(&latest.Timestamp, &latest.Status, &latest.Latitude, &latest.Longitude)
if err != nil {
slog.Warn(fmt.Sprintln("HandleGetLatestPoo Error getting latest poo", err))
http.Error(w, err.Error(), http.StatusInternalServerError)
return
return err
}
recordTime, err := time.Parse("2006-01-02T15:04Z07:00", latest.Timestamp)
if err != nil {
slog.Warn(fmt.Sprintln("HandleGetLatestPoo Error parsing timestamp", err))
http.Error(w, err.Error(), http.StatusInternalServerError)
return
return err
}
viper.SetDefault("pooRecorder.sensorEntityName", "sensor.test_poo_status")
viper.SetDefault("pooRecorder.sensorFriendlyName", "Poo Status")
sensorEntityName := viper.GetString("pooRecorder.sensorEntityName")
sensorFriendlyName := viper.GetString("pooRecorder.sensorFriendlyName")
recordTime = recordTime.Local()
pooStatus := homeassistantutil.HttpSensor{
EntityId: "sensor.test_poo_sensor",
EntityId: sensorEntityName,
State: latest.Status,
Attributes: pooStatusSensorAttributes{
LastPoo: recordTime.Format("Mon | 2006-01-02 | 15:04"),
FriendlyName: sensorFriendlyName,
},
}
homeassistantutil.PublishSensor(pooStatus)
slog.Debug(fmt.Sprintln("HandleGetLatestPoo Latest poo", pooStatus.State, "at", pooStatus.Attributes.(pooStatusSensorAttributes).LastPoo))
return nil
}
func initDb() {
if !viper.InConfig("pooRecorder.dbPath") {
slog.Info("HandleRecordPoo dbPath not found in config file, using default: pooRecorder.db")
slog.Info("PooRecorderInit dbPath not found in config file, using default: pooRecorder.db")
viper.SetDefault("pooRecorder.dbPath", "pooRecorder.db")
}