Change REST api verbs

backend/main.go

@@ -33,6 +33,16 @@ func download(c *gin.Context, downloader youtube.Downloader) error {
 	return nil
 }
 
+func createTask(c *gin.Context) {
+	err := c.Request.ParseForm()
+	if err != nil {
+		panic(err)
+	}
+	if err := download(c, youtube_dl.NewYoutubeDlDownloader(c.PostForm("url"), "yt-dlp")); err != nil {
+		panic(err)
+	}
+}
+
 func status(c *gin.Context, downloader youtube.Downloader) error {
 	id, err := downloader.ExtractVideoID()
 	if err != nil {
@@ -79,11 +89,7 @@ func main() {
 		}
 	})
 
-	r.GET("/download", func(c *gin.Context) {
-		if err := download(c, youtube_dl.NewYoutubeDlDownloader(c.Query("url"), "yt-dlp")); err != nil {
-			panic(err)
-		}
-	})
+	r.POST("/task", createTask)
 
 	r.GET("/status", func(c *gin.Context) {
 		if err := status(c, youtube_dl.NewYoutubeDlDownloader(c.Query("url"), "yt-dlp")); err != nil {

backend/main_test.go

@@ -0,0 +1,61 @@
+package main
+
+import (
+	"encoding/json"
+	"net/http"
+	"net/http/httptest"
+	"net/url"
+	"strings"
+	"testing"
+
+	"github.com/gin-gonic/gin"
+	"github.com/remogatto/prettytest"
+)
+
+// Start of setup
+type testSuite struct {
+	prettytest.Suite
+}
+
+func TestRunner(t *testing.T) {
+	prettytest.Run(
+		t,
+		new(testSuite),
+	)
+}
+
+// Test the creation of a new task. A new task is created with a POST
+// request to the endpoint.
+func (t *testSuite) TestCreateTask() {
+	// Set form values
+	form := url.Values{}
+	form.Add("url", "https://www.youtube.com/watch?v=AVIBLFl28vo")
+
+	// Create a new request
+	req, err := http.NewRequest("POST", "/task", strings.NewReader(form.Encode()))
+	if err != nil {
+		panic(err)
+	}
+
+	req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
+
+	// Create an http recorder
+	rr := httptest.NewRecorder()
+
+	// Set the context and call the handler
+	c, _ := gin.CreateTestContext(rr)
+	c.Request = req
+
+	createTask(c)
+
+	// Read the response and assert it.
+	var data struct {
+		Id string
+	}
+
+	if err := json.Unmarshal(rr.Body.Bytes(), &data); err != nil {
+		panic(err)
+	}
+
+	t.Equal("AVIBLFl28vo", data.Id)
+}

backend/youtube/youtube-dl/youtube-dl.go

@@ -63,9 +63,9 @@ func (d *YoutubeDlDownloader) ExtractVideoID() (string, error) {
 
 func (d *YoutubeDlDownloader) getVideoJson(url string) (*youtube.Video, error) {
 	cmd := exec.CommandContext(context.Background(), d.CommandName, "-j", url)
-	output, err := cmd.Output()
+	output, err := cmd.CombinedOutput()
 	if err != nil {
-		return nil, err
+		return nil, fmt.Errorf("Command terminated with %w: %s", err, output)
 	}
 	result := new(youtube.Video)
 	err = json.Unmarshal(output, &result)