From 0477831679669686245ddd1c41e6cb585bd11b95 Mon Sep 17 00:00:00 2001
From: Jules <contact@copydev.fr>
Date: Thu, 4 Jun 2026 21:19:27 +0200
Subject: [PATCH] =?UTF-8?q?Imprimante=20:=20bouton=20Couper=20papier=20(mi?=
 =?UTF-8?q?cro-job=20blanc=20d=C3=A9clenche=20le=20cutter=20K60)?=
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Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
---
 backend/main.py      | 28 ++++++++++++++++++++++++++++
 frontend/index.html  |  1 +
 frontend/js/admin.js |  6 ++++++
 3 files changed, 35 insertions(+)

diff --git a/backend/main.py b/backend/main.py
index 9994676..7e393b9 100644
--- a/backend/main.py
+++ b/backend/main.py
@@ -566,6 +566,34 @@ async def api_evacuer_bourrage():
     return {"succes": True, "message": msg}
 
 
+@app.post("/api/imprimante/couper")
+async def api_couper_papier():
+    """Déclenche la coupe en envoyant un micro-job blanc (la K60 coupe après chaque impression)."""
+    import subprocess, tempfile, os
+    from PIL import Image
+    config = charger_config()
+    nom = config.get("impression", {}).get("imprimante", "Mitsubishi")
+    try:
+        # Image blanche 1x15cm (la plus petite possible pour la K60)
+        img = Image.new("RGB", (600, 1800), (255, 255, 255))
+        tmp = tempfile.NamedTemporaryFile(suffix=".jpg", delete=False)
+        img.save(tmp.name, "JPEG", quality=95, dpi=(300, 300))
+        tmp.close()
+        r = subprocess.run(
+            ["lp", "-d", nom, "-n", "1",
+             "-o", "PageSize=w288h432-div2",
+             "-o", "StpiShrinkOutput=Crop",
+             tmp.name],
+            capture_output=True, text=True, timeout=15
+        )
+        os.unlink(tmp.name)
+        if r.returncode == 0:
+            return {"succes": True, "message": "Coupe lancée — le papier va être coupé"}
+        return {"succes": False, "message": f"Erreur : {r.stderr.strip() or r.stdout.strip()}"}
+    except Exception as e:
+        return {"succes": False, "message": str(e)}
+
+
 @app.post("/api/imprimante/reset-usb")
 async def api_reset_usb():
     """Réinitialise la connexion USB de l'imprimante (unbind/rebind driver)."""
diff --git a/frontend/index.html b/frontend/index.html
index 61c29ae..dac236d 100644
--- a/frontend/index.html
+++ b/frontend/index.html
@@ -405,6 +405,7 @@
           <div class="champ" style="margin-top:1rem;display:flex;gap:0.8rem;flex-wrap:wrap">
             <button class="btn-danger" onclick="evacuerBourrage()">&#9888; Annuler jobs</button>
             <button class="btn-secondaire" onclick="resetUsb()">&#8635; Réinit. USB</button>
+            <button class="btn-secondaire" onclick="couperPapier()">&#9988; Couper papier</button>
           </div>
           <div id="imprimante-statut-detail" class="champ" style="display:none">
             <div id="imprimante-erreur-msg" style="background:rgba(244,67,54,0.1);border-radius:8px;padding:0.8rem;color:#f44336;font-size:0.85rem;margin-top:0.5rem"></div>
diff --git a/frontend/js/admin.js b/frontend/js/admin.js
index 329a81f..97388f6 100644
--- a/frontend/js/admin.js
+++ b/frontend/js/admin.js
@@ -92,6 +92,12 @@ function _getOrientations() {
   return { ...existing, [fmt]: orient };
 }
 
+async function couperPapier() {
+  afficherStatut('Envoi commande coupe...', 'succes');
+  const r = await apiPost('/api/imprimante/couper', {});
+  afficherStatut(r.message, r.succes ? 'succes' : 'erreur');
+}
+
 async function resetUsb() {
   afficherStatut('Réinitialisation USB...', 'succes');
   const r = await apiPost('/api/imprimante/reset-usb', {});