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