feat: add download commands (yt, ig, tt, fb) and middleware support

- Add core Middleware support via `core.Default.Use()` - Implement download command handlers for YouTube, Instagram, TikTok, and Facebook - Add regex-based URL validation for all download commands - Add API client for fetching download links - Add helpers for uploading and sending media to WhatsApp Co-Authored-By: Claude Opus 4.7 <[email protected]>
2026-07-15 10:33:58 +07:00
parent faeda0b21d
commit e783284881
11 changed files with 701 additions and 7 deletions
@@ -0,0 +1,63 @@
+package download
+
+import (
+	"fmt"
+	"regexp"
+
+	"neo/api"
+	hc "neo/context"
+	"neo/core"
+	"neo/helper"
+)
+
+type facebookResult struct {
+	HD        string `json:"hd"`
+	SD        string `json:"sd"`
+	Thumbnail string `json:"thumbnail"`
+}
+
+func init() { core.Default.Register(Facebook) }
+
+var Facebook = &core.Command{
+	Name:        "facebook",
+	Aliases:     []string{"fb"},
+	Category:    "download",
+	Description: "Download Facebook video",
+	Run: func(ctx *hc.Ctx) {
+		url := ctx.Arg(0)
+		if url == "" {
+			ctx.Reply("Usage: !fb <url>")
+			return
+		}
+
+		fbRegex := regexp.MustCompile(`(?i)(?:facebook\.com|fb\.com|fb\.watch)\/(?:share\/[pr]\/|reel\/|watch\/?\?v=|.*\/videos\/)?([a-zA-Z0-9_\-]+)`)
+		if !fbRegex.MatchString(url) {
+			ctx.Reply("Invalid Facebook URL")
+			return
+		}
+
+		ctx.Send("Downloading...")
+		var res facebookResult
+		if err := api.Default().Get("/fb", map[string]string{"url": url}, &res); err != nil {
+			ctx.Reply(fmt.Sprintf("Failed to fetch: %v", err))
+			return
+		}
+
+		downloadURL := res.HD
+		if downloadURL == "" {
+			downloadURL = res.SD
+		}
+		if downloadURL == "" {
+			ctx.Reply("No video found")
+			return
+		}
+
+		data, mime, err := api.Download(downloadURL)
+		if err != nil {
+			ctx.Reply(fmt.Sprintf("Download failed: %v", err))
+			return
+		}
+
+		helper.SendMedia(ctx, data, mime, "")
+	},
+}