feat: Add application root command

Author: smf8

Diff for: cmd/gurl/main.go

@@ -1 +1,16 @@
 package main
+
+import (
+	"github.com/smf8/gurl/internal/app/gurl/cmd"
+	"os"
+)
+
+func main() {
+	root := cmd.NewCommand()
+
+	if root != nil {
+		if err := root.Execute(); err != nil {
+			os.Exit(1)
+		}
+	}
+}

Diff for: internal/app/gurl/cmd/client.go

@@ -0,0 +1,84 @@
+package cmd
+
+import (
+	"fmt"
+	"github.com/smf8/gurl/internal/app/gurl/request"
+	"github.com/spf13/cobra"
+	"io"
+	"math"
+	"strings"
+)
+
+const (
+	methodHelp  = `Specify HTTP method, either POST, GET (default), PATCH, DELETE, PUT`
+	headersHelp = `HTTP headers in key:value format. use comma (,) as separator. Default Content-Type header is set to "application/x-www-form-urlencoded"`
+	bodyHelp    = `HTTP request body, can't use with --json or --file`
+	fileHelp    = `used to send a file as request body. This option also sets "Content-Type" header to "application/octet-stream". You can override this by setting Content-Type header manually with -H option`
+	jsonHelp    = `used to specify json Body. This option also sets "Content-Type" header to "application/json". You can override this by setting Content-Type header manually with -H option`
+	timeoutHelp = `Set client request Timeout. this timeout is only considered in client side.`
+)
+
+func main(gurl *request.GURL) error {
+	httpRequest, err := gurl.ToHTTPRequest()
+	if err != nil {
+		return fmt.Errorf("failed to launch gurl command: %w", err)
+	}
+
+	fmt.Println(httpRequest)
+	fmt.Println("method:", httpRequest.Method)
+
+	body, err := io.ReadAll(httpRequest.Body)
+	if err != nil {
+		return err
+	}
+	fmt.Printf("Data: %s", string(body))
+
+	fmt.Println("headers:", httpRequest.Header)
+	fmt.Println("URL:", httpRequest.URL.String())
+	return nil
+}
+
+// NewCommand creates an instance of gURL cli cobra request
+func NewCommand() *cobra.Command {
+
+	gurl := new(request.GURL)
+	gurl.Headers = make(map[string]string)
+	gurl.QueryParams = make(map[string][]string)
+
+	var headers *[]string
+
+	gurlCommand := &cobra.Command{
+		Use:   "gurl URL [-M Method] [-H Headers {key1:value1,...}] [-D Data | --json JsonData | --file FilePath] [--timeout timeout]",
+		Short: "gurl is a simple curl rip off",
+		Args:  cobra.ExactArgs(1),
+		RunE: func(cmd *cobra.Command, args []string) error {
+			gurl.URL = args[0]
+
+			for _, h := range *headers {
+				record := strings.ToLower(h)
+				header := strings.Split(record, ":")
+
+				if len(header) != 2 {
+					return fmt.Errorf("invalid header format. see -h for correct format")
+				}
+
+				gurl.Headers[header[0]] = header[1]
+			}
+
+			if err := main(gurl); err != nil {
+				return err
+			}
+			return nil
+		},
+	}
+
+	gurlCommand.Flags().StringVarP(&gurl.Method, "method", "M", "GET", methodHelp)
+	headers = gurlCommand.Flags().StringSliceP("headers", "H", nil, headersHelp)
+	gurlCommand.Flags().StringVarP(&gurl.Data, "data", "D", "", bodyHelp)
+	gurlCommand.Flags().StringVar(&gurl.FilePath, "file", "", fileHelp)
+	gurlCommand.MarkPersistentFlagDirname("file")
+	gurlCommand.Flags().StringVar(&gurl.JSONMessage, "json", "", jsonHelp)
+	gurlCommand.Flags().IntVar(&gurl.ClientTimeout, "timeout", math.MaxInt32, timeoutHelp)
+
+	return gurlCommand
+}