inital commit

examples/download/main.go

@@ -0,0 +1,49 @@
+// download fetches a single submission and streams its main file to disk.
+// Demonstrates that downloads share the SDK's rate limiter and cookie jar
+// with metadata fetches.
+//
+//	go run ./examples/download 12345678 out.jpg
+package main
+
+import (
+	"context"
+	"log"
+	"os"
+	"strconv"
+
+	fa "git.anthrove.art/public/go-fa-api"
+)
+
+func main() {
+	if len(os.Args) < 3 {
+		log.Fatalf("usage: %s <submission-id> <out-path>", os.Args[0])
+	}
+	id, err := strconv.ParseInt(os.Args[1], 10, 64)
+	if err != nil {
+		log.Fatalf("invalid id: %v", err)
+	}
+
+	client := fa.New(
+		fa.WithCookies(fa.Cookies{A: os.Getenv("FA_A"), B: os.Getenv("FA_B")}),
+		fa.WithCloudflare(fa.CFCookies{Clearance: os.Getenv("CF_CLEARANCE")}),
+		fa.WithUserAgent(os.Getenv("FA_UA")),
+	)
+
+	ctx := context.Background()
+	sub, err := client.GetSubmission(ctx, fa.SubmissionID(id))
+	if err != nil {
+		log.Fatalf("GetSubmission: %v", err)
+	}
+
+	out, err := os.Create(os.Args[2])
+	if err != nil {
+		log.Fatalf("create: %v", err)
+	}
+	defer out.Close()
+
+	n, err := client.Download(ctx, sub, out)
+	if err != nil {
+		log.Fatalf("download: %v", err)
+	}
+	log.Printf("wrote %d bytes to %s", n, os.Args[2])
+}