Riccardo Giorato
99 lines
3.0 KiB
TypeScript
99 lines
3.0 KiB
TypeScript
import { NextRequest, NextResponse } from "next/server";
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import { getStoryWithPagesBySlug } from "@/lib/db-actions";
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import { jsPDF } from "jspdf";
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export async function GET(request: NextRequest) {
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try {
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const { searchParams } = new URL(request.url);
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const storySlug = searchParams.get("storySlug");
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if (!storySlug) {
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return NextResponse.json(
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{ error: "Story slug required" },
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{ status: 400 },
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);
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}
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const result = await getStoryWithPagesBySlug(storySlug);
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if (!result) {
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return NextResponse.json({ error: "Story not found" }, { status: 404 });
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}
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const { story, pages } = result;
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const images = pages
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.map((page: any) => page.generatedImageUrl)
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.filter((url: string) => url && url !== "/placeholder.svg");
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if (images.length === 0) {
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return NextResponse.json(
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{ error: "No images to download" },
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{ status: 400 },
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);
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}
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// Fetch all images server-side
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const imagePromises = images.map(async (url: string) => {
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const response = await fetch(url);
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if (!response.ok) {
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throw new Error(`Failed to fetch image: ${url}`);
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}
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const arrayBuffer = await response.arrayBuffer();
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return Buffer.from(arrayBuffer);
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});
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const imageBuffers = await Promise.all(imagePromises);
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// Create PDF
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const pdf = new jsPDF();
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for (let i = 0; i < imageBuffers.length; i++) {
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if (i > 0) pdf.addPage();
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const imgBuffer = imageBuffers[i];
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const imgData = `data:image/jpeg;base64,${imgBuffer.toString("base64")}`;
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// For simplicity, assume images fit the page; in production you might want to scale
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pdf.addImage(imgData, "JPEG", 10, 10, 190, 277); // A4 portrait size minus margins
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// Add "Created by Make Comics" at the bottom
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pdf.setFont("helvetica", "bold");
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pdf.setFontSize(12);
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const text = "Created by Make Comics [makecomics.io]";
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const textX = 105;
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const textY = 290;
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pdf.text(text, textX, textY, { align: "center" });
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const dimensions = pdf.getTextDimensions(text);
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pdf.link(
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textX - dimensions.w / 2,
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textY - dimensions.h / 2,
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dimensions.w,
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dimensions.h,
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{ url: "https://www.makecomics.io/" },
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);
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}
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const pdfBuffer = Buffer.from(pdf.output("arraybuffer"));
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// Sanitize filename to only contain ASCII characters
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const safeFilename = story.title
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.replace(/[^\x00-\x7F]/g, "") // Remove non-ASCII characters
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.replace(/[<>:"/\\|?*]/g, "-") // Replace invalid filename characters
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.trim() || "comic";
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// Return PDF as response
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return new NextResponse(pdfBuffer, {
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headers: {
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"Content-Type": "application/pdf",
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"Content-Disposition": `attachment; filename="${safeFilename}.pdf"`,
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},
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});
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} catch (error) {
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console.error("Error generating PDF:", error);
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return NextResponse.json(
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{ error: "Failed to generate PDF" },
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{ status: 500 },
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);
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}
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}
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