Some working

.gitignore

@@ -27,6 +27,8 @@ go.work.sum
 temp_data/
 
 # py file for branch switching
-*venv
+.venv
 __pycache__/
 .pytest_cache/
+config.yaml
+bin/

.vscode/launch.json

@@ -20,6 +20,16 @@
             "args": [
                 "reverse"
             ]
+        },
+        {
+            "name": "Launch Home Automation",
+            "type": "go",
+            "request": "launch",
+            "mode": "auto",
+            "program": "${workspaceFolder}/src/main.go",
+            "args": [
+                "serve"
+            ]
         }
     ]
 }

src/cmd/root.go

@@ -0,0 +1,41 @@
+/*
+Copyright © 2024 Tianyu Liu
+*/
+package cmd
+
+import (
+	"os"
+
+	"github.com/spf13/cobra"
+)
+
+// rootCmd represents the base command when called without any subcommands
+var rootCmd = &cobra.Command{
+	Use:   "home-automation-backend",
+	Short: "This is the entry point of the home automation backend",
+	Long: `Home automation backend is a RESTful API server that provides
+automation features for may devices.`,
+	// Uncomment the following line if your bare application
+	// has an action associated with it:
+	// Run: func(cmd *cobra.Command, args []string) { },
+}
+
+// Execute adds all child commands to the root command and sets flags appropriately.
+// This is called by main.main(). It only needs to happen once to the rootCmd.
+func Execute() {
+	err := rootCmd.Execute()
+	if err != nil {
+		os.Exit(1)
+	}
+}
+
+func init() {
+	// Here you will define your flags and configuration settings.
+	// Cobra supports persistent flags, which, if defined here,
+	// will be global for your application.
+
+	// rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.home-automation-backend.yaml)")
+
+	// Cobra also supports local flags, which will only run
+	// when this action is called directly.
+}

src/cmd/serve.go

@@ -0,0 +1,119 @@
+/*
+Copyright © 2024 Tianyu Liu
+*/
+package cmd
+
+import (
+	"context"
+	"fmt"
+	"log/slog"
+	"net/http"
+	"os"
+	"os/signal"
+	"syscall"
+	"time"
+
+	"github.com/gorilla/mux"
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+	pooRecorder "github.com/t-liu93/home-automation-backend/components"
+	"github.com/t-liu93/home-automation-backend/util/notion"
+)
+
+var port string
+
+// serveCmd represents the serve command
+var serveCmd = &cobra.Command{
+	Use:   "serve",
+	Short: "Server automation backend",
+	Run:   serve,
+}
+
+func initUtil() {
+	// init notion
+	if viper.InConfig("notion.token") {
+		notion.Init(viper.GetString("notion.token"))
+	} else {
+		slog.Error("Notion token not found in config file, exiting..")
+		os.Exit(1)
+	}
+}
+
+func initComponent() {
+	// init pooRecorder
+	pooRecorder.Init()
+}
+
+func serve(cmd *cobra.Command, args []string) {
+	slog.Info("Starting server...")
+	viper.SetConfigName("config") // name of config file (without extension)
+	viper.SetConfigType("yaml")
+	viper.AddConfigPath("$HOME/.config/home-automation")
+	viper.AddConfigPath(".") // optionally look for config in the working directory
+	err := viper.ReadInConfig()
+	if err != nil {
+		slog.Error(fmt.Sprintf("Cannot read config file, %s, exiting..", err))
+		os.Exit(1)
+	}
+	viper.WatchConfig()
+	if viper.InConfig("port") {
+		port = viper.GetString("port")
+	} else {
+		slog.Error("Port not found in config file, exiting..")
+		os.Exit(1)
+	}
+
+	initUtil()
+	initComponent()
+
+	// routing
+	router := mux.NewRouter()
+	router.HandleFunc("/status", func(w http.ResponseWriter, r *http.Request) {
+		w.Write([]byte("OK"))
+	}).Methods("GET")
+	router.HandleFunc("/poo/record", pooRecorder.HandleRecordPoo).Methods("POST")
+
+	srv := &http.Server{
+		Addr:    ":" + port,
+		Handler: router,
+	}
+
+	stop := make(chan os.Signal, 1)
+	signal.Notify(stop, syscall.SIGINT, syscall.SIGTERM)
+
+	go func() {
+		if err := srv.ListenAndServe(); err != nil && err != http.ErrServerClosed {
+			slog.Error(fmt.Sprintf("ListenAndServe error: %v", err))
+			os.Exit(1)
+		}
+	}()
+
+	slog.Info(fmt.Sprintln("Server started on port", port))
+
+	<-stop
+
+	slog.Info(fmt.Sprintln("Shutting down the server..."))
+	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+
+	if err := srv.Shutdown(ctx); err != nil {
+		slog.Error(fmt.Sprintf("Server Shutdown Failed:%+v", err))
+		os.Exit(1)
+	}
+	slog.Info(fmt.Sprintln("Server gracefully stopped"))
+}
+
+func init() {
+	rootCmd.AddCommand(serveCmd)
+
+	// Here you will define your flags and configuration settings.
+
+	// Cobra supports Persistent Flags which will work for this command
+	// and all subcommands, e.g.:
+	// serveCmd.PersistentFlags().String("foo", "", "A help for foo")
+
+	// Cobra supports local flags which will only run when this command
+	// is called directly, e.g.:
+	// serveCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
+	serveCmd.Flags().StringVarP(&port, "port", "p", "18881", "Port to listen on")
+}

src/components/pooRecorder.go

@@ -0,0 +1,156 @@
+package pooRecorder
+
+import (
+	"bytes"
+	"database/sql"
+	"encoding/json"
+	"fmt"
+	"net/http"
+	"os"
+	"time"
+
+	"github.com/spf13/viper"
+	"github.com/t-liu93/home-automation-backend/util/notion"
+	"golang.org/x/exp/slog"
+)
+
+type recordDetail struct {
+	Status    string `json:"status"`
+	Latitude  string `json:"latitude"`
+	Longitude string `json:"longitude"`
+}
+
+type pooStatusHttpSensorAttributes struct {
+	LastPoo string `json:"last_poo"`
+}
+
+type pooStatusHttpSensor struct {
+	EntityId   string                        `json:"entity_id"`
+	State      string                        `json:"state"`
+	Attributes pooStatusHttpSensorAttributes `json:"attributes"`
+}
+
+var (
+	db *sql.DB
+)
+
+func publishPooStatus(pooStatus pooStatusHttpSensor) {
+	if viper.InConfig("pooRecorder.homeassistantIp") &&
+		viper.InConfig("pooRecorder.homeassistantPort") &&
+		viper.InConfig("pooRecorder.homeassistantToken") {
+		homeAssistantIp := viper.GetString("pooRecorder.homeassistantIp")
+		homeAssistantPort := viper.GetString("pooRecorder.homeassistantPort")
+		url := fmt.Sprintf("http://%s:%s/api/states/%s", homeAssistantIp, homeAssistantPort, pooStatus.EntityId)
+		payload, err := json.Marshal(pooStatus)
+		if err != nil {
+			slog.Warn(fmt.Sprintln("HandleRecordPoo Error marshalling poo status", err))
+			return
+		}
+		req, err := http.NewRequest("POST", url, bytes.NewBuffer(payload))
+		if err != nil {
+			slog.Warn(fmt.Sprintln("HandleRecordPoo Error creating request", err))
+			return
+		}
+		req.Header.Set("Content-Type", "application/json")
+		req.Header.Set("Authorization", "Bearer "+viper.GetString("pooRecorder.homeassistantToken"))
+		client := &http.Client{
+			Timeout: time.Second * 1,
+		}
+		resp, err := client.Do(req)
+		if err != nil {
+			slog.Warn(fmt.Sprintln("HandleRecordPoo Error sending request", err))
+		}
+		if resp.StatusCode != http.StatusOK {
+			slog.Warn(fmt.Sprintln("HandleRecordPoo Unexpected response status", resp.StatusCode))
+		}
+		defer resp.Body.Close()
+	} else {
+		slog.Warn("HandleRecordPoo Home Assistant IP, port, or token not found in config file")
+	}
+}
+
+func storeStatus(record recordDetail, timestamp time.Time) {
+	tableId := viper.GetString("pooRecorder.tableId")
+	recordDate := timestamp.Format("2006-01-02")
+	recordTime := timestamp.Format("15:04")
+	slog.Info(fmt.Sprintln("Recording poo", record.Status, "at", record.Latitude, record.Longitude))
+	go func() {
+		header, err := notion.GetTableRows(tableId, 1, "")
+		if err != nil {
+			slog.Warn(fmt.Sprintln("HandleRecordPoo Failed to get table header", err))
+			return
+		}
+		if len(header) == 0 {
+			slog.Warn("HandleRecordPoo Table header not found")
+			return
+		}
+		headerId := header[0].GetID()
+		err = notion.WriteTableRow([]string{recordDate, recordTime, record.Status, record.Latitude + "," + record.Longitude}, tableId, headerId.String())
+		if err != nil {
+			slog.Warn(fmt.Sprintln("HandleRecordPoo Failed to write table row", err))
+		}
+	}()
+
+}
+
+func migrateDb() {
+
+}
+
+func initDb() {
+	if !viper.InConfig("pooRecorder.dbPath") {
+		slog.Info("HandleRecordPoo dbPath not found in config file, using default: pooRecorder.db")
+		viper.SetDefault("pooRecorder.dbPath", "pooRecorder.db")
+	}
+
+	dbPath := viper.GetString("pooRecorder.dbPath")
+	err := error(nil)
+	db, err = sql.Open("sqlite3", dbPath)
+	if err != nil {
+		slog.Error(fmt.Sprintln("PooRecorderInit Error opening database", err))
+		os.Exit(1)
+	}
+	err = db.Ping()
+	if err != nil {
+		slog.Error(fmt.Sprintln("PooRecorderInit Error pinging database", err))
+		os.Exit(1)
+	}
+	_, err = db.Exec(`CREATE TABLE IF NOT EXISTS poo_records (
+	timestamp TEXT PRIMARY KEY,
+	status TEXT,
+	latitude TEXT,
+	longitude TEXT)`)
+
+}
+
+func Init() {
+	initDb()
+}
+
+func HandleRecordPoo(w http.ResponseWriter, r *http.Request) {
+	var record recordDetail
+	if !viper.InConfig("pooRecorder.tableId") {
+		slog.Warn("HandleRecordPoo Table ID not found in config file")
+		http.Error(w, "Table ID not found in config file", http.StatusInternalServerError)
+		return
+	}
+	decorder := json.NewDecoder(r.Body)
+	decorder.DisallowUnknownFields()
+	err := decorder.Decode(&record)
+	if err != nil {
+		slog.Warn(fmt.Sprintln("HandleRecordPoo Error decoding request body", err))
+		http.Error(w, err.Error(), http.StatusBadRequest)
+		return
+	}
+	now := time.Now()
+	storeStatus(record, now)
+	timeAttribute := now.Format("Mon | 2006-01-02 | 15:04")
+	pooStatus := pooStatusHttpSensor{
+		EntityId: "sensor.test_poo_sensor",
+		State:    record.Status,
+		Attributes: pooStatusHttpSensorAttributes{
+			LastPoo: timeAttribute,
+		},
+	}
+	publishPooStatus(pooStatus)
+}

src/go.mod

@@ -2,13 +2,33 @@ module github.com/t-liu93/home-automation-backend
 
 go 1.23.0
 
-require github.com/jomei/notionapi v1.13.2
+require (
+	github.com/gorilla/mux v1.8.1
+	github.com/jomei/notionapi v1.13.2
+	github.com/spf13/cobra v1.8.1
+	github.com/spf13/viper v1.19.0
+	golang.org/x/term v0.24.0
+)
 
 require (
+	github.com/fsnotify/fsnotify v1.7.0 // indirect
+	github.com/hashicorp/hcl v1.0.0 // indirect
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
-	github.com/spf13/cobra v1.8.1 // indirect
+	github.com/magiconair/properties v1.8.7 // indirect
+	github.com/mitchellh/mapstructure v1.5.0 // indirect
+	github.com/pelletier/go-toml/v2 v2.2.2 // indirect
+	github.com/sagikazarmark/locafero v0.4.0 // indirect
+	github.com/sagikazarmark/slog-shim v0.1.0 // indirect
+	github.com/sourcegraph/conc v0.3.0 // indirect
+	github.com/spf13/afero v1.11.0 // indirect
+	github.com/spf13/cast v1.6.0 // indirect
 	github.com/spf13/pflag v1.0.5 // indirect
-	golang.org/x/crypto v0.27.0 // indirect
+	github.com/subosito/gotenv v1.6.0 // indirect
+	go.uber.org/atomic v1.9.0 // indirect
+	go.uber.org/multierr v1.9.0 // indirect
+	golang.org/x/exp v0.0.0-20230905200255-921286631fa9 // indirect
 	golang.org/x/sys v0.25.0 // indirect
-	golang.org/x/term v0.24.0 // indirect
+	golang.org/x/text v0.14.0 // indirect
+	gopkg.in/ini.v1 v1.67.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
 )

src/go.sum

@@ -1,18 +1,83 @@
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+github.com/fsnotify/fsnotify v1.7.0 h1:8JEhPFa5W2WU7YfeZzPNqzMP6Lwt7L2715Ggo0nosvA=
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 github.com/inconshreveable/mousetrap v1.1.0 h1:wN+x4NVGpMsO7ErUn/mUI3vEoE6Jt13X2s0bqwp9tc8=
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+github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
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-golang.org/x/crypto v0.27.0 h1:GXm2NjJrPaiv/h1tb2UH8QfgC/hOf/+z0p6PT8o1w7A=
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-golang.org/x/crypto v0.27.0/go.mod h1:1Xngt8kV6Dvbssa53Ziq6Eqn0HqbZi5Z6R0ZpwQzt70=
+github.com/spf13/viper v1.19.0/go.mod h1:GQUN9bilAbhU/jgc1bKs99f/suXKeUMct8Adx5+Ntkg=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
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+github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo=
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+github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
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+github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
+github.com/subosito/gotenv v1.6.0 h1:9NlTDc1FTs4qu0DDq7AEtTPNw6SVm7uBMsUCUjABIf8=
+github.com/subosito/gotenv v1.6.0/go.mod h1:Dk4QP5c2W3ibzajGcXpNraDfq2IrhjMIvMSWPKKo0FU=
+go.uber.org/atomic v1.9.0 h1:ECmE8Bn/WFTYwEW/bpKD3M8VtR/zQVbavAoalC1PYyE=
+go.uber.org/atomic v1.9.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc=
+go.uber.org/multierr v1.9.0 h1:7fIwc/ZtS0q++VgcfqFDxSBZVv/Xo49/SYnDFupUwlI=
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+golang.org/x/text v0.14.0 h1:ScX5w1eTa3QqT8oi6+ziP7dTV1S2+ALU0bI+0zXKWiQ=
+golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
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src/main.go

@@ -0,0 +1,11 @@
+/*
+Copyright © 2024 Tianyu Liu
+
+*/
+package main
+
+import "github.com/t-liu93/home-automation-backend/cmd"
+
+func main() {
+	cmd.Execute()
+}

src/util/notion/notion.go

@@ -2,15 +2,14 @@ package notion
 
 import (
 	"context"
+	"errors"
 
 	"github.com/jomei/notionapi"
 )
 
 var client *notionapi.Client
-var authToken string
 
 func Init(token string) {
-	authToken = token
 	client = notionapi.NewClient(notionapi.Token(token))
 }
 
@@ -18,45 +17,49 @@ func GetClient() *notionapi.Client {
 	return client
 }
 
-func AGetBlock(blockId string) chan struct {
+func GetTableRows(tableId string, numberOfRows int, startFromId string) ([]notionapi.Block, error) {
-	Block notionapi.Block
+	if client == nil {
-	Error error
+		return nil, errors.New("notion client not initialized")
-} {
+	}
-	retval := make(chan struct {
+	block, err := client.Block.GetChildren(context.Background(), notionapi.BlockID(tableId), &notionapi.Pagination{
-		Block notionapi.Block
+		StartCursor: notionapi.Cursor(startFromId),
-		Error error
+		PageSize:    numberOfRows,
 	})
-	go func() {
+	if err != nil {
-		block, err := client.Block.Get(context.Background(), notionapi.BlockID(blockId))
+		return nil, err
-		retval <- struct {
+	}
-			Block notionapi.Block
+	return block.Results, nil
-			Error error
-		}{block, err}
-	}()
-	return retval
 }
 
-func AGetBlockChildren(blockId string, startCursor string, pageSize int) chan struct {
+func WriteTableRow(content []string, tableId string, after string) error {
-	Children   []notionapi.Block
+	if client == nil {
-	NextCursor string
+		return errors.New("notion client not initialized")
-	HasMore    bool
+	}
-	Error      error
+	rich := [][]notionapi.RichText{}
-} {
+	for _, c := range content {
-	retval := make(chan struct {
+		rich = append(rich, []notionapi.RichText{
-		Children   []notionapi.Block
+			{
-		NextCursor string
+				Type: "text",
-		HasMore    bool
+				Text: &notionapi.Text{
-		Error      error
+					Content: c,
+				},
+			},
 		})
-	pagination := notionapi.Pagination{StartCursor: notionapi.Cursor(startCursor), PageSize: pageSize}
+	}
-	go func() {
+	tableRow := notionapi.TableRowBlock{
-		children, err := client.Block.GetChildren(context.Background(), notionapi.BlockID(blockId), &pagination)
+		BasicBlock: notionapi.BasicBlock{
-		retval <- struct {
+			Object: "block",
-			Children   []notionapi.Block
+			Type:   "table_row",
-			NextCursor string
+		},
-			HasMore    bool
+		TableRow: notionapi.TableRow{
-			Error      error
+			Cells: rich,
-		}{children.Results, children.NextCursor, children.HasMore, err}
+		},
-	}()
+	}
-	return retval
+
+	_, err := client.Block.AppendChildren(context.Background(), notionapi.BlockID(tableId), &notionapi.AppendBlockChildrenRequest{
+		After:    notionapi.BlockID(after),
+		Children: []notionapi.Block{tableRow},
+	})
+
+	return err
 }

src/util/notion/notion_test.go

@@ -1,27 +0,0 @@
-package notion_test
-
-import (
-	"testing"
-
-	"github.com/t-liu93/home-automation-backend/util/notion"
-)
-
-func TestGetBlockBasic(t *testing.T) {
-	notion.Init("")
-	block := <-notion.AGetBlock("")
-	actObj := block.Block.GetObject()
-	expObj := "block"
-	if string(actObj) != expObj {
-		t.Errorf("Expected %s, but got %s", expObj, actObj)
-	}
-}
-
-func TestGetBlockChildrenBasic(t *testing.T) {
-	notion.Init("")
-	blockChildren := <-notion.AGetBlockChildren("", "", 100)
-	actLen := len(blockChildren.Children)
-	expLen := 100
-	if actLen != expLen {
-		t.Errorf("Expected %d, but got %d", expLen, actLen)
-	}
-}