Create app.py

app.py

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+import gradio as gr
+import os
+import time
+import hashlib
+from collections import defaultdict
+from pdf_parser import extract_text_from_pdf
+from analyzer import analyze_cv
+from report_generator import generate_pdf_report
+from storage import check_license_key
+from webhook import handle_stripe_webhook
+
+# ─── Konfigurace ───────────────────────────────────────────────
+STRIPE_SINGLE      = os.environ.get("STRIPE_LINK_SINGLE")   # Payment Link URL
+STRIPE_PRO         = os.environ.get("STRIPE_LINK_PRO")       # Payment Link URL
+SANDBOX_PASSWORD   = os.environ.get("SANDBOX_PASSWORD")      # Tajné heslo pro testování
+IS_SANDBOX         = os.environ.get("STRIPE_MODE", "sandbox") == "sandbox"
+
+# ─── Rate limiting ──────────────────────────────────────────────
+request_log = defaultdict(list)
+
+def check_rate_limit(session_id: str) -> bool:
+    now = time.time()
+    request_log[session_id] = [t for t in request_log[session_id] if now - t < 3600]
+    if len(request_log[session_id]) >= 3:
+        return False
+    request_log[session_id].append(now)
+    return True
+
+# ─── Hlavní analýza ────────────────────────────────────────────
+def run_analysis(cv_file, cv_text_input, job_text, license_key, session_id):
+    cv_text = ""
+    if cv_file is not None:
+        cv_text = extract_text_from_pdf(cv_file)
+    if not cv_text and cv_text_input:
+        cv_text = cv_text_input.strip()
+    if not cv_text:
+        return "❌ Nahraj CV nebo vlož text.", None, free_upgrade_html()
+    if not job_text or len(job_text) < 50:
+        return "❌ Vlož popis pozice (alespoň 50 znaků).", None, free_upgrade_html()
+
+    license_info = check_license_key(license_key)
+    is_pro = license_info is not None and license_info.get("active")
+
+    if not is_pro:
+        if not check_rate_limit(session_id):
+            return "⚠️ Limit 3 analýzy/hodinu vyčerpán. Upgraduj nebo počkej.", None, upgrade_html()
+
+    analysis = analyze_cv(cv_text, job_text)
+    if "error" in analysis:
+        return f"❌ {analysis['error']}", None, ""
+
+    score = analysis.get("match_score", 0)
+    emoji = "🟢" if score >= 75 else "🟡" if score >= 50 else "🔴"
+
+    md = f"## {emoji} Match Score: {score}/100\n{analysis.get('score_explanation', '')}\n\n---\n\n"
+    md += "### 🎯 Tvoje 3 nejdůležitější akce\n"
+    for i, a in enumerate(analysis.get("top_3_actions", []), 1):
+        md += f"\n**{i}.** {a}"
+
+    md += "\n\n---\n\n### 🔑 Chybějící klíčová slova\n"
+    for kw in analysis.get("missing_keywords", []):
+        md += f"\n- **{kw['keyword']}** — {kw['why_it_matters']}"
+
+    md += "\n\n---\n\n### ✍️ Co posílit (přepiš vlastními slovy)\n"
+    for sec in analysis.get("weak_sections", []):
+        md += f"\n> *\"{sec.get('original_phrase', '')}\"*\n"
+        md += f"- **Problém:** {sec.get('problem', '')}\n"
+        md += f"- **Co sdělit:** {sec.get('what_to_convey_instead', '')}\n"
+        md += f"- **Směr:** {sec.get('example_direction', '')}\n"
+
+    md += "\n\n---\n\n### ⚠️ ATS varování\n"
+    for w in analysis.get("ats_warnings", []):
+        md += f"\n- {w}"
+
+    md += "\n\n---\n\n### 💼 LinkedIn headline nápady\n"
+    for h in analysis.get("linkedin_headline_ideas", []):
+        md += f"\n- {h}"
+
+    if not is_pro:
+        md += f"\n\n---\n*Free plán: 3 analýzy/hodinu. [Upgrade na Pro]({STRIPE_PRO})*"
+
+    pdf_path = generate_pdf_report(analysis, is_pro=is_pro)
+    return md, pdf_path, "" if is_pro else free_upgrade_html()
+
+# ─── Stripe webhook handler ─────────────────────────────────────
+def process_webhook(payload: str, sig_header: str):
+    """Volá se z Gradio endpoint přes gr.Request."""
+    result = handle_stripe_webhook(payload.encode(), sig_header)
+    if result["ok"] and result.get("key"):
+        return f"✅ Klíč vytvořen: {result['key']} pro {result['email']} ({result['plan']})"
+    elif result["ok"]:
+        return "✅ Event přijat (ignorován)"
+    else:
+        return f"❌ Chyba: {result['error']}"
+
+# ─── Sandbox / testovací mód ────────────────────────────────────
+def sandbox_simulate_payment(password: str, email: str, plan: str):
+    """Tajná funkce pro testování — přístup pouze heslem."""
+    if not SANDBOX_PASSWORD or password != SANDBOX_PASSWORD:
+        return "❌ Nesprávné heslo."
+    if not email or "@" not in email:
+        return "❌ Zadej platný email."
+    from storage import create_license_key
+    key = create_license_key(email, plan)
+    return f"✅ TEST klíč vytvořen:\n\n`{key}`\n\nPlan: {plan} | Email: {email}"
+
+# ─── HTML komponenty ────────────────────────────────────────────
+def free_upgrade_html():
+    return f"""
+<div style="background:#f0f9ff;border:1px solid #bae6fd;border-radius:12px;padding:16px;margin-top:8px">
+  <p style="margin:0 0 8px;font-weight:600;color:#0369a1">🚀 Free plán: 3 analýzy/hodinu</p>
+  <p style="margin:0 0 12px;color:#475569;font-size:14px">Upgraduj pro neomezený přístup a čistý PDF bez watermarku.</p>
+  <a href="{STRIPE_SINGLE}" target="_blank" style="background:#0ea5e9;color:white;padding:8px 16px;border-radius:8px;text-decoration:none;margin-right:8px;font-size:14px">Jednorázová analýza — $2.99</a>
+  <a href="{STRIPE_PRO}" target="_blank" style="background:#7c3aed;color:white;padding:8px 16px;border-radius:8px;text-decoration:none;font-size:14px">Pro plán — $9.99/měsíc</a>
+</div>"""
+
+def upgrade_html():
+    return f"""
+<div style="background:#fef3c7;border:1px solid #fcd34d;border-radius:12px;padding:16px;margin-top:8px">
+  <p style="margin:0 0 8px;font-weight:600;color:#92400e">⏳ Limit dosažen</p>
+  <p style="margin:0 0 12px;color:#475569;font-size:14px">3 analýzy za hodinu vyčerpány. Upgraduj nebo počkej hodinu.</p>
+  <a href="{STRIPE_PRO}" target="_blank" style="background:#7c3aed;color:white;padding:8px 16px;border-radius:8px;text-decoration:none;font-size:14px">Upgrade na Pro — $9.99/měsíc</a>
+</div>"""
+
+# ─── Gradio UI ──────────────────────────────────────────────────
+with gr.Blocks(
+    theme=gr.themes.Soft(primary_hue="blue", secondary_hue="purple"),
+    title="ResumeLens AI"
+) as demo:
+
+    session_id = gr.State(lambda: str(time.time()))
+
+    # Sandbox badge (viditelný jen když IS_SANDBOX = True)
+    if IS_SANDBOX:
+        gr.HTML("""
+        <div style="background:#fef3c7;border:1px solid #f59e0b;text-align:center;padding:6px;font-size:13px;font-weight:600;color:#92400e">
+          ⚠️ SANDBOX MODUS — Stripe testovací platby aktivní
+        </div>""")
+
+    gr.HTML("""
+    <div style="text-align:center;padding:24px 0 8px">
+      <h1 style="font-size:2rem;font-weight:700;color:#1e293b;margin:0">🎯 ResumeLens AI</h1>
+      <p style="color:#64748b;margin:8px 0 0;font-size:1.1rem">
+        Upload your CV. Paste the job. Know exactly what to fix — in your own words.
+      </p>
+      <p style="color:#94a3b8;font-size:0.85rem;margin:6px 0 0">
+        We show you what's missing. You rewrite it yourself. No AI-generated text. ✓
+      </p>
+    </div>""")
+
+    with gr.Row():
+        with gr.Column(scale=1):
+            gr.Markdown("### 1️⃣ Tvoje CV")
+            cv_file = gr.File(label="Nahraj PDF", file_types=[".pdf"])
+            gr.Markdown("*nebo vlož text:*")
+            cv_text_input = gr.Textbox(label="Text CV", placeholder="Sem vlož obsah CV jako text...", lines=6)
+        with gr.Column(scale=1):
+            gr.Markdown("### 2️⃣ Popis pozice")
+            job_text = gr.Textbox(label="Popis pracovní nabídky", placeholder="Zkopíruj celý popis pozice z LinkedInu nebo jobs.cz...", lines=10)
+
+    with gr.Accordion("🔑 Máš Pro licenci? Zadej klíč", open=False):
+        license_key = gr.Textbox(label="Licenční klíč", placeholder="rl_xxxxxxxxxxxxxxxx", type="password")
+        gr.Markdown(f"Nemáš klíč? [Kup Pro plán]({STRIPE_PRO}) — klíč dostaneš automaticky emailem po platbě.")
+
+    analyze_btn = gr.Button("🔍 Analyzovat CV", variant="primary", size="lg")
+
+    with gr.Row():
+        with gr.Column(scale=2):
+            result_output = gr.Markdown()
+        with gr.Column(scale=1):
+            pdf_output = gr.File(label="📄 Stáhnout PDF report")
+
+    upgrade_output = gr.HTML()
+
+    analyze_btn.click(
+        fn=run_analysis,
+        inputs=[cv_file, cv_text_input, job_text, license_key, session_id],
+        outputs=[result_output, pdf_output, upgrade_output]
+    )
+
+    # ─── Skrytá sekce pro webhook (přístup přes URL parametr nebo přímé API) ───
+    # Tato sekce NENÍ viditelná v UI — slouží jako endpoint
+    with gr.Tab("⚙️", visible=False):
+        webhook_payload = gr.Textbox(label="Payload")
+        webhook_sig = gr.Textbox(label="Stripe-Signature")
+        webhook_btn = gr.Button("Process")
+        webhook_result = gr.Textbox(label="Result")
+        webhook_btn.click(fn=process_webhook, inputs=[webhook_payload, webhook_sig], outputs=[webhook_result])
+
+    # ─── Sandbox testovací panel (zaheslovaný) ─────────────────────────────────
+    with gr.Accordion("🔧 Developer Tools", open=False, visible=True):
+        gr.Markdown("*Přístup pouze pro administrátora.*")
+        sandbox_pw = gr.Textbox(label="Heslo", type="password", placeholder="Pouze pro vývojáře")
+        sandbox_email = gr.Textbox(label="Email zákazníka", placeholder="test@example.com")
+        sandbox_plan = gr.Radio(["single", "pro"], label="Plán", value="pro")
+        sandbox_btn = gr.Button("🧪 Simulovat platbu a vygenerovat klíč")
+        sandbox_result = gr.Textbox(label="Výsledek", interactive=False)
+        sandbox_btn.click(
+            fn=sandbox_simulate_payment,
+            inputs=[sandbox_pw, sandbox_email, sandbox_plan],
+            outputs=[sandbox_result]
+        )
+
+    gr.HTML("""
+    <div style="text-align:center;padding:20px 0 8px;border-top:1px solid #e2e8f0;margin-top:24px">
+      <p style="color:#94a3b8;font-size:12px">ResumeLens AI · Free tier: 3 analyses/hour · Your CV data is never stored</p>
+    </div>""")
+
+demo.launch()