first commit

app.py

@@ -0,0 +1,96 @@
+from pathlib import Path
+import shutil
+import subprocess
+import uuid
+import zipfile
+
+from flask import Flask, render_template, request, send_file, abort
+
+BASE_DIR = Path(__file__).resolve().parent
+UPLOAD_DIR = BASE_DIR / "uploads"
+OUTPUT_DIR = BASE_DIR / "web_output"
+
+UPLOAD_DIR.mkdir(exist_ok=True)
+OUTPUT_DIR.mkdir(exist_ok=True)
+
+app = Flask(__name__)
+
+
+@app.get("/")
+def index():
+    return render_template("upload.html")
+
+
+@app.post("/generate")
+def generate():
+    job_id = uuid.uuid4().hex
+    job_dir = UPLOAD_DIR / job_id
+    images_dir = job_dir / "images"
+    job_dir.mkdir(parents=True)
+    images_dir.mkdir(parents=True)
+
+    csv_file = request.files.get("csv_file")
+    if not csv_file or not csv_file.filename:
+        return "Chybí CSV soubor", 400
+
+    csv_path = job_dir / "catalog.csv"
+    csv_file.save(csv_path)
+
+    for image in request.files.getlist("images"):
+        if image and image.filename:
+            image.save(images_dir / Path(image.filename).name)
+
+    zip_file = request.files.get("images_zip")
+    if zip_file and zip_file.filename:
+        zip_path = job_dir / "images.zip"
+        zip_file.save(zip_path)
+        with zipfile.ZipFile(zip_path, "r") as z:
+            z.extractall(images_dir)
+
+    output_pdf = OUTPUT_DIR / f"catalog_{job_id}.pdf"
+
+    cmd = [
+        "python",
+        str(BASE_DIR / "generate_catalog.py"),
+        "-i",
+        str(csv_path),
+        "--output",
+        str(output_pdf),
+        "--images-dir",
+        str(images_dir),
+    ]
+
+    result = subprocess.run(
+        cmd,
+        cwd=BASE_DIR,
+        text=True,
+        capture_output=True,
+    )
+
+    if result.returncode != 0:
+        return (
+            "<h2>Generování selhalo</h2>"
+            "<h3>STDOUT</h3><pre>" + result.stdout + "</pre>"
+            "<h3>STDERR</h3><pre>" + result.stderr + "</pre>"
+        ), 500
+
+    if not output_pdf.exists():
+        return "PDF se nevytvořilo.", 500
+
+    return f"""
+    <h1>Katalog je hotový</h1>
+    <p><a href="/download/{job_id}">Stáhnout PDF</a></p>
+    <p><a href="/">Vygenerovat další</a></p>
+    """
+
+
+@app.get("/download/<job_id>")
+def download(job_id):
+    pdf_path = OUTPUT_DIR / f"catalog_{job_id}.pdf"
+    if not pdf_path.exists():
+        abort(404)
+    return send_file(pdf_path, as_attachment=True, download_name="catalog.pdf")
+
+
+if __name__ == "__main__":
+    app.run(host="0.0.0.0", port=8080)