feat: add id parsing

Signed-off-by: Sphericalkat <amolele@gmail.com>

api/routes/show.go

@@ -10,9 +10,9 @@ import (
 )
 
 func show(c *fiber.Ctx) error {
-	postId := c.Params("id", "")
+	postId := converters.ConvertId(c)
 	if postId == "" {
-		return c.Redirect("/")
+		return c.Status(422).SendString("Invalid post ID")
 	}
 
 	e, err := client.PostData(postId)
@@ -42,5 +42,5 @@ func index(c *fiber.Ctx) error {
 
 func RegisterRoutes(app *fiber.App) {
 	app.Get("/", index)
-	app.Get("/:id", show)
+	app.Get("/*", show)
 }

pkg/client/medium_client.go

@@ -14,7 +14,7 @@ import (
 )
 
 func PostData(postId string) (*entities.MediumResponse, error) {
-	if config.Conf.Env == "dev" {
+	if config.Conf.Env == "devd" {
 		file, err := os.ReadFile("response.json")
 		if err != nil {
 			return nil, err
@@ -33,49 +33,7 @@ func PostData(postId string) (*entities.MediumResponse, error) {
 	url := "https://medium.com/_/graphql"
 	method := "POST"
 
-	payload := strings.NewReader(fmt.Sprintf(`query {
+	payload := strings.NewReader(fmt.Sprintf("{\"query\":\"query {\\n        post(id: \\\"%s\\\") {\\n          title\\n          createdAt\\n          creator {\\n            id\\n            name\\n          }\\n          content {\\n            bodyModel {\\n              paragraphs {\\n                name\\n                text\\n                type\\n                href\\n                layout\\n                markups {\\n                  title\\n                  type\\n                  href\\n                  userId\\n                  start\\n                  end\\n                  anchorType\\n                }\\n                iframe {\\n                  mediaResource {\\n                    href\\n                    iframeSrc\\n                    iframeWidth\\n                    iframeHeight\\n                  }\\n                }\\n                metadata {\\n                  id\\n                  originalWidth\\n                  originalHeight\\n                }\\n              }\\n            }\\n          }\\n        }\\n      }\",\"variables\":{}}", postId))
-        post(id: "%s") {
-          title
-          createdAt
-          creator {
-            id
-            name
-          }
-          content {
-            bodyModel {
-              paragraphs {
-                name
-                text
-                type
-                href
-                layout
-                markups {
-                  title
-                  type
-                  href
-                  userId
-                  start
-                  end
-                  anchorType
-                }
-                iframe {
-                  mediaResource {
-                    href
-                    iframeSrc
-                    iframeWidth
-                    iframeHeight
-                  }
-                }
-                metadata {
-                  id
-                  originalWidth
-                  originalHeight
-                }
-              }
-            }
-          }
-        }
-      }`, postId))
 
 	client := &http.Client{}
 	req, err := http.NewRequest(method, url, payload)

pkg/converters/id_converter.go

@@ -0,0 +1,46 @@
+package converters
+
+import (
+	"net/url"
+	"regexp"
+	"strings"
+
+	"github.com/gofiber/fiber/v2"
+)
+
+var r = regexp.MustCompile(`[\/\-]([0-9a-f]+)\/?$`)
+
+func ConvertId(c *fiber.Ctx) string {
+	path := c.Path()
+	postId := idFromParams(c)
+	if postId == "" {
+		return idFromPath(path)
+	}
+	return ""
+}
+
+func idFromPath(path string) string {
+	if strings.HasPrefix(path, "/tag/") {
+		return ""
+	}
+
+	matches := r.FindStringSubmatch(path)
+	if len(matches) != 2 {
+		return ""
+	}
+
+	return matches[1]
+}
+
+func idFromParams(c *fiber.Ctx) string {
+	ru := c.Query("redirectUrl", "")
+	if ru != "" {
+		pu, err := url.Parse(ru)
+		if err != nil {
+			return ""
+		}
+
+		return idFromPath(pu.Path)
+	}
+	return ""
+}

pkg/converters/id_converter_test.go

@@ -0,0 +1,12 @@
+package converters
+
+import "testing"
+
+func TestConvertId(t *testing.T) {
+	id := "@fareedkhandev/pandas-ai-the-future-of-data-analysis-8f0be9b5ab6f"
+	convertedId := idFromPath(id)
+	expected := "8f0be9b5ab6f"
+	if convertedId != expected {
+		t.Errorf("ConvertId(%s) = %s; want %s", id, convertedId, expected)
+	}
+}