Transition project to Cobra

cmd/clientFunc.go

@@ -0,0 +1,66 @@
+package cmd
+
+import (
+	"encoding/json"
+	"fmt"
+	xj "github.com/basgys/goxml2json"
+	"io"
+	"log"
+	"net/http"
+	"strings"
+)
+
+type root struct {
+	Base struct {
+		Nombre     string `json:"nombre"`
+		Prediccion struct {
+			Dia []struct {
+				Fecha       string `json:"-fecha"`
+				Temperatura struct {
+					Maxima string `json:"maxima"`
+					Minima string `json:"minima"`
+				}
+			}
+		}
+	} `json:"root"`
+}
+
+func main() {
+	jsonData := getJSON()
+	textBytes := []byte(jsonData)
+	aemetRequest := root{}
+	err := json.Unmarshal(textBytes, &aemetRequest)
+	if err != nil {
+		log.Fatalf("Error occurred unmarshalling data: %v\n", err)
+	}
+
+	fmt.Println(aemetRequest.Base.Nombre)
+	fmt.Println(aemetRequest.Base.Prediccion.Dia[0].Fecha)
+	fmt.Printf("Temperatura máxima: %v°C\n", aemetRequest.Base.Prediccion.Dia[0].Temperatura.Maxima)
+	fmt.Printf("Temperatura mínima: %v°C\n", aemetRequest.Base.Prediccion.Dia[0].Temperatura.Minima)
+}
+
+func getJSON() string {
+	resp, err := http.Get("https://www.aemet.es/xml/municipios/localidad_46250.xml")
+	if err != nil {
+		log.Fatalf("Error occurred pulling data: %v\n", err)
+	}
+
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK {
+		log.Fatalf("Error occurred accessing website: %v\n", err)
+	}
+
+	data, err := io.ReadAll(resp.Body)
+	if err != nil {
+		log.Fatalf("Error occurred reading data: %v\n", err)
+	}
+
+	xml := strings.NewReader(string(data))
+	json, err := xj.Convert(xml)
+	if err != nil {
+		log.Fatalf("Error occurred converting XML to JSON: %v\n", err)
+	}
+
+	return json.String()
+}

cmd/root.go

@@ -0,0 +1,51 @@
+/*
+Copyright © 2024 NAME HERE <EMAIL ADDRESS>
+
+*/
+package cmd
+
+import (
+	"os"
+
+	"github.com/spf13/cobra"
+)
+
+
+
+// rootCmd represents the base command when called without any subcommands
+var rootCmd = &cobra.Command{
+	Use:   "aemet",
+	Short: "A brief description of your application",
+	Long: `A longer description that spans multiple lines and likely contains
+examples and usage of using your application. For example:
+
+Cobra is a CLI library for Go that empowers applications.
+This application is a tool to generate the needed files
+to quickly create a Cobra application.`,
+	// 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/.aemet.yaml)")
+
+	// Cobra also supports local flags, which will only run
+	// when this action is called directly.
+	rootCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
+}
+
+

cmd/server.go

@@ -0,0 +1,42 @@
+/*
+Copyright © 2024 raul
+*/
+
+package cmd
+
+import (
+	"github.com/spf13/cobra"
+	"log"
+)
+
+var serverCmd = &cobra.Command{
+	Use:   "server",
+	Short: "A brief description of your command",
+	Long: `A longer description that spans multiple lines and likely contains examples
+and usage of using your command. For example:
+
+Cobra is a CLI library for Go that empowers applications.
+This application is a tool to generate the needed files
+to quickly create a Cobra application.`,
+	Run: func(cmd *cobra.Command, args []string) {
+		if err := setServerParameters(cmd); err != nil {
+			log.Fatalf("Error happened trying to set parameters: %v\n", err)
+		}
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(serverCmd)
+	serverCmd.PersistentFlags().StringP("port", "p", "1302", "port to use for listening")
+}
+
+func setServerParameters(cmd *cobra.Command) error {
+	parameterPort, err := cmd.Flags().GetString("port")
+	if err != nil {
+		return err
+	}
+	if parameterPort != "" {
+		listenPort = parameterPort
+	}
+	return nil
+}

cmd/serverFunc.go

@@ -0,0 +1,16 @@
+package cmd
+
+import (
+	"fmt"
+
+	"github.com/gin-gonic/gin"
+)
+
+var (
+	listenPort string = "1302"
+)
+
+func server() {
+	router := gin.Default
+	getJSON()
+}

main.go

@@ -1,66 +1,11 @@
+/*
+Copyright © 2024 raul
+*/
+
 package main
 
-import (
-	"encoding/json"
-	"fmt"
-	xj "github.com/basgys/goxml2json"
-	"io"
-	"log"
-	"net/http"
-	"strings"
-)
-
-type root struct {
-	Base struct {
-		Nombre     string `json:"nombre"`
-		Prediccion struct {
-			Dia []struct {
-				Fecha       string `json:"-fecha"`
-				Temperatura struct {
-					Maxima string `json:"maxima"`
-					Minima string `json:"minima"`
-				}
-			}
-		}
-	} `json:"root"`
-}
+import "aemet/cmd"
 
 func main() {
-	jsonData := getJSON()
-	textBytes := []byte(jsonData)
-	aemetRequest := root{}
-	err := json.Unmarshal(textBytes, &aemetRequest)
-	if err != nil {
-		log.Fatalf("Error occurred unmarshalling data: %v\n", err)
-	}
-
-	fmt.Println(aemetRequest.Base.Nombre)
-	fmt.Println(aemetRequest.Base.Prediccion.Dia[0].Fecha)
-	fmt.Printf("Temperatura máxima: %v°C\n", aemetRequest.Base.Prediccion.Dia[0].Temperatura.Maxima)
-	fmt.Printf("Temperatura mínima: %v°C\n", aemetRequest.Base.Prediccion.Dia[0].Temperatura.Minima)
-}
-
-func getJSON() string {
-	resp, err := http.Get("https://www.aemet.es/xml/municipios/localidad_46250.xml")
-	if err != nil {
-		log.Fatalf("Error occurred pulling data: %v\n", err)
-	}
-
-	defer resp.Body.Close()
-	if resp.StatusCode != http.StatusOK {
-		log.Fatalf("Error occurred accessing website: %v\n", err)
-	}
-
-	data, err := io.ReadAll(resp.Body)
-	if err != nil {
-		log.Fatalf("Error occurred reading data: %v\n", err)
-	}
-
-	xml := strings.NewReader(string(data))
-	json, err := xj.Convert(xml)
-	if err != nil {
-		log.Fatalf("Error occurred converting XML to JSON: %v\n", err)
-	}
-
-	return json.String()
+	cmd.Execute()
 }