From 58a0e5b89efb351a564793c6a3cee2a47b70f605 Mon Sep 17 00:00:00 2001
From: Juan Felipe Zapata Moreno <zapata_pipe@hotmail.com>
Date: Mon, 5 Jan 2026 16:31:12 -0600
Subject: [PATCH] =?UTF-8?q?add:=20implementar=20esc=C3=A1ner=20de=20c?=
 =?UTF-8?q?=C3=B3digos=20QR=20y=20agregar=20soporte=20en=20la=20interfaz?=
 =?UTF-8?q?=20de=20usuario?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 package-lock.json             |  64 +++++++++++++++++
 package.json                  |   1 +
 src/components/POS/QRscan.vue | 130 ++++++++++++++++++++++++++++++++++
 src/lang/es.js                |   1 +
 src/pages/POS/Point.vue       |  46 ++++++++++++
 5 files changed, 242 insertions(+)
 create mode 100644 src/components/POS/QRscan.vue

diff --git a/package-lock.json b/package-lock.json
index 2069d37..4046481 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -24,6 +24,7 @@
         "vue": "^3.5.13",
         "vue-i18n": "^11.1.1",
         "vue-multiselect": "^3.2.0",
+        "vue-qrcode-reader": "^5.7.3",
         "vue-router": "^4.5.0",
         "ziggy-js": "^2.5.2"
       },
@@ -1234,6 +1235,18 @@
         "vite": "^5.2.0 || ^6"
       }
     },
+    "node_modules/@types/dom-webcodecs": {
+      "version": "0.1.18",
+      "resolved": "https://registry.npmjs.org/@types/dom-webcodecs/-/dom-webcodecs-0.1.18.tgz",
+      "integrity": "sha512-vAvE8C9DGWR+tkb19xyjk1TSUlJ7RUzzp4a9Anu7mwBT+fpyePWK1UxmH14tMO5zHmrnrRIMg5NutnnDztLxgg==",
+      "license": "MIT"
+    },
+    "node_modules/@types/emscripten": {
+      "version": "1.41.5",
+      "resolved": "https://registry.npmjs.org/@types/emscripten/-/emscripten-1.41.5.tgz",
+      "integrity": "sha512-cMQm7pxu6BxtHyqJ7mQZ2kXWV5SLmugybFdHCBbJ5eHzOo6VhBckEgAT3//rP5FwPHNPeEiq4SmQ5ucBwsOo4Q==",
+      "license": "MIT"
+    },
     "node_modules/@types/estree": {
       "version": "1.0.7",
       "resolved": "https://registry.npmjs.org/@types/estree/-/estree-1.0.7.tgz",
@@ -1522,6 +1535,16 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/barcode-detector": {
+      "version": "2.2.2",
+      "resolved": "https://registry.npmjs.org/barcode-detector/-/barcode-detector-2.2.2.tgz",
+      "integrity": "sha512-JcSekql+EV93evfzF9zBr+Y6aRfkR+QFvgyzbwQ0dbymZXoAI9+WgT7H1E429f+3RKNncHz2CW98VQtaaKpmfQ==",
+      "license": "MIT",
+      "dependencies": {
+        "@types/dom-webcodecs": "^0.1.11",
+        "zxing-wasm": "1.1.3"
+      }
+    },
     "node_modules/base64-arraybuffer": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/base64-arraybuffer/-/base64-arraybuffer-1.0.2.tgz",
@@ -3416,6 +3439,12 @@
         "queue-microtask": "^1.2.2"
       }
     },
+    "node_modules/sdp": {
+      "version": "3.2.1",
+      "resolved": "https://registry.npmjs.org/sdp/-/sdp-3.2.1.tgz",
+      "integrity": "sha512-lwsAIzOPlH8/7IIjjz3K0zYBk7aBVVcvjMwt3M4fLxpjMYyy7i3I97SLHebgn4YBjirkzfp3RvRDWSKsh/+WFw==",
+      "license": "MIT"
+    },
     "node_modules/socket.io-client": {
       "version": "4.8.1",
       "resolved": "https://registry.npmjs.org/socket.io-client/-/socket.io-client-4.8.1.tgz",
@@ -3867,6 +3896,19 @@
         "npm": ">= 6.14.15"
       }
     },
+    "node_modules/vue-qrcode-reader": {
+      "version": "5.7.3",
+      "resolved": "https://registry.npmjs.org/vue-qrcode-reader/-/vue-qrcode-reader-5.7.3.tgz",
+      "integrity": "sha512-iSGko42FsEvdHyizBMBs/X+HMO9Z5ONDxjW+mQdoraOR5emRNedmjC5SEJdYzGz8ZP5ME3lwB4iHy3S7MOt5Qw==",
+      "license": "MIT",
+      "dependencies": {
+        "barcode-detector": "2.2.2",
+        "webrtc-adapter": "8.2.3"
+      },
+      "engines": {
+        "node": ">=18.0.0"
+      }
+    },
     "node_modules/vue-router": {
       "version": "4.5.1",
       "resolved": "https://registry.npmjs.org/vue-router/-/vue-router-4.5.1.tgz",
@@ -3888,6 +3930,19 @@
       "integrity": "sha512-sGhTPMuXqZ1rVOk32RylztWkfXTRhuS7vgAKv0zjqk8gbsHkJ7xfFf+jbySxt7tWObEJwyKaHMikV/WGDiQm8g==",
       "license": "MIT"
     },
+    "node_modules/webrtc-adapter": {
+      "version": "8.2.3",
+      "resolved": "https://registry.npmjs.org/webrtc-adapter/-/webrtc-adapter-8.2.3.tgz",
+      "integrity": "sha512-gnmRz++suzmvxtp3ehQts6s2JtAGPuDPjA1F3a9ckNpG1kYdYuHWYpazoAnL9FS5/B21tKlhkorbdCXat0+4xQ==",
+      "license": "BSD-3-Clause",
+      "dependencies": {
+        "sdp": "^3.2.0"
+      },
+      "engines": {
+        "node": ">=6.0.0",
+        "npm": ">=3.10.0"
+      }
+    },
     "node_modules/ws": {
       "version": "8.17.1",
       "resolved": "https://registry.npmjs.org/ws/-/ws-8.17.1.tgz",
@@ -3937,6 +3992,15 @@
         "@types/qs": "^6.9.17",
         "qs": "~6.9.7"
       }
+    },
+    "node_modules/zxing-wasm": {
+      "version": "1.1.3",
+      "resolved": "https://registry.npmjs.org/zxing-wasm/-/zxing-wasm-1.1.3.tgz",
+      "integrity": "sha512-MYm9k/5YVs4ZOTIFwlRjfFKD0crhefgbnt1+6TEpmKUDFp3E2uwqGSKwQOd2hOIsta/7Usq4hnpNRYTLoljnfA==",
+      "license": "MIT",
+      "dependencies": {
+        "@types/emscripten": "^1.39.10"
+      }
     }
   }
 }
diff --git a/package.json b/package.json
index ff9ae63..d27f6a2 100644
--- a/package.json
+++ b/package.json
@@ -26,6 +26,7 @@
     "vue": "^3.5.13",
     "vue-i18n": "^11.1.1",
     "vue-multiselect": "^3.2.0",
+    "vue-qrcode-reader": "^5.7.3",
     "vue-router": "^4.5.0",
     "ziggy-js": "^2.5.2"
   },
diff --git a/src/components/POS/QRscan.vue b/src/components/POS/QRscan.vue
new file mode 100644
index 0000000..3279ae8
--- /dev/null
+++ b/src/components/POS/QRscan.vue
@@ -0,0 +1,130 @@
+<script setup>
+import { ref } from 'vue';
+import { QrcodeStream } from 'vue-qrcode-reader';
+
+/** Props y Emits */
+const props = defineProps({
+  modelValue: {
+    type: String,
+    default: ''
+  }
+});
+
+const emit = defineEmits(['update:modelValue', 'qr-detected']);
+
+/** Refs */
+const error = ref('');
+const isScanning = ref(true);
+
+/** Métodos */
+function paintBoundingBox(detectedCodes, ctx) {
+  for (const detectedCode of detectedCodes) {
+    const {
+      boundingBox: { x, y, width, height }
+    } = detectedCode;
+
+    ctx.lineWidth = 4;
+    ctx.strokeStyle = '#10b981';
+    ctx.strokeRect(x, y, width, height);
+  }
+}
+
+function onDetect(detectedCodes) {
+  if (detectedCodes.length > 0) {
+    const code = detectedCodes[0].rawValue;
+
+    // Emitir el código escaneado al componente padre
+    emit('update:modelValue', code);
+
+    // Pausar el escaneo después de detectar
+    isScanning.value = false;
+
+    // Emitir evento con el código detectado
+    emit('qr-detected', code);
+
+    // Reactivar el escaneo después de 2 segundos
+    setTimeout(() => {
+      isScanning.value = true;
+      error.value = '';
+    }, 2000);
+  }
+}
+
+function onError(err) {
+  error.value = `[${err.name}]: `;
+
+  if (err.name === 'NotAllowedError') {
+    error.value += 'Necesitas otorgar permiso de acceso a la cámara';
+  } else if (err.name === 'NotFoundError') {
+    error.value += 'No se encontró cámara en este dispositivo';
+  } else if (err.name === 'NotSupportedError') {
+    error.value += 'Se requiere contexto seguro';
+  } else if (err.name === 'NotReadableError') {
+    error.value += '¿La cámara ya está en uso?';
+  } else if (err.name === 'OverconstrainedError') {
+    error.value += 'Las cámaras instaladas no son adecuadas';
+  } else if (err.name === 'StreamApiNotSupportedError') {
+    error.value += 'No es compatible con este navegador';
+  } else if (err.name === 'InsecureContextError') {
+    error.value += 'El acceso a la cámara solo se permite en contexto seguro.';
+  } else {
+    error.value += err.message;
+  }
+
+  console.error('Error de cámara:', err);
+}
+</script>
+
+<template>
+  <div class="relative w-full h-full">
+    <!-- Componente de escaneo QR -->
+    <QrcodeStream
+      v-if="isScanning"
+      @detect="onDetect"
+      @error="onError"
+      :track="paintBoundingBox"
+      class="w-full h-full rounded-lg overflow-hidden"
+    >
+    </QrcodeStream>
+
+    <!-- Mensaje de éxito -->
+    <div
+      v-else
+      class="w-full h-full rounded-lg bg-green-600 flex items-center justify-center"
+    >
+      <div class="text-center text-white">
+        <svg
+          xmlns="http://www.w3.org/2000/svg"
+          class="h-16 w-16 mx-auto mb-2"
+          fill="none"
+          viewBox="0 0 24 24"
+          stroke="currentColor"
+        >
+          <path
+            stroke-linecap="round"
+            stroke-linejoin="round"
+            stroke-width="2"
+            d="M5 13l4 4L19 7"
+          />
+        </svg>
+        <p class="text-lg font-semibold">¡Código detectado!</p>
+      </div>
+    </div>
+
+    <!-- Mensaje de error -->
+    <div
+      v-if="error"
+      class="absolute bottom-0 left-0 right-0 bg-red-500 text-white p-3 text-sm"
+    >
+      {{ error }}
+    </div>
+  </div>
+</template>
+
+<style scoped>
+:deep(video) {
+  width: 100%;
+  height: 100%;
+  object-fit: cover;
+}
+</style>
\ No newline at end of file
diff --git a/src/lang/es.js b/src/lang/es.js
index 360ad08..2011425 100644
--- a/src/lang/es.js
+++ b/src/lang/es.js
@@ -451,6 +451,7 @@ export default {
     },
     pos: {
         title: 'Punto de Venta',
+        subtitle: 'Gestión de ventas y caja',
         category: 'Categorías',
         inventory: 'Inventario',
         prices: 'Precios',
diff --git a/src/pages/POS/Point.vue b/src/pages/POS/Point.vue
index 920456c..e4d6950 100644
--- a/src/pages/POS/Point.vue
+++ b/src/pages/POS/Point.vue
@@ -11,6 +11,7 @@ import GoogleIcon from '@Shared/GoogleIcon.vue';
 import ProductCard from '@Components/POS/ProductCard.vue';
 import CartItem from '@Components/POS/CartItem.vue';
 import CheckoutModal from '@Components/POS/CheckoutModal.vue';
+import QRscan from '@Components/POS/QRscan.vue';
 
 /** i18n */
 const { t } = useI18n();
@@ -23,6 +24,7 @@ const products = ref([]);
 const showCheckoutModal = ref(false);
 const searchQuery = ref('');
 const processingPayment = ref(false);
+const scanMode = ref(false);
 
 /** Buscador de productos */
 const searcher = useSearcher({
@@ -79,6 +81,15 @@ const closeCheckout = () => {
     showCheckoutModal.value = false;
 };
 
+const toggleScanMode = () => {
+    scanMode.value = !scanMode.value;
+    if(scanMode.value) {
+        window.Notify.info('Modo escaneo activado');
+    } else {
+        window.Notify.info('Modo escaneo desactivado');
+    }
+};
+
 const handleConfirmSale = async (paymentData) => {
     processingPayment.value = true;
 
@@ -187,6 +198,19 @@ onMounted(() => {
                         </p>
                     </div>
                 </div>
+                <button 
+                @click="toggleScanMode"
+                    :class="[
+                        'flex items-center gap-2 px-4 py-3 rounded-lg font-semibold transition-all',
+                        scanMode 
+                            ? 'bg-red-500 hover:bg-red-600 text-white' 
+                            : 'bg-indigo-500 hover:bg-indigo-600 text-white'
+                    ]"
+                    type="button"
+                >
+                    <GoogleIcon :name="scanMode ? 'close' : 'qr_code_scanner'" class="text-xl" />
+                    {{ scanMode ? 'Cerrar escáner' : 'Escanear código' }}
+                </button >
             </div>
         </div>
 
@@ -194,6 +218,28 @@ onMounted(() => {
         <div class="flex gap-6 h-[calc(100%-120px)] px-6">
             <!-- Columna de Productos -->
             <div class="flex-1 flex flex-col overflow-hidden">
+                <div v-if="scanMode" class="h-full">
+                    <div class="bg-white dark:bg-gray-800 rounded-xl shadow-lg border border-gray-200 dark:border-gray-700 p-6 h-full">
+                        <div class="flex flex-col h-full">
+                            <h2 class="text-xl font-bold text-gray-900 dark:text-gray-100 mb-4 flex items-center gap-2">
+                                <GoogleIcon name="qr_code_scanner" class="text-2xl text-indigo-600" />
+                                Escáner de Códigos de Barras
+                            </h2>
+                            <div class="flex-1 relative bg-gray-100 dark:bg-gray-900 rounded-lg overflow-hidden">
+                                <QRscan 
+                                    @qr-detected="handleCodeDetected"
+                                    class="w-full h-full"
+                                />
+                            </div>
+                            <div class="mt-4 p-4 bg-blue-50 dark:bg-blue-900/20 rounded-lg">
+                                <p class="text-sm text-blue-800 dark:text-blue-300">
+                                    <strong>Instrucciones:</strong> Coloca el código de barras frente a la cámara. 
+                                    El producto se agregará automáticamente al carrito cuando se detecte.
+                                </p>
+                            </div>
+                        </div>
+                    </div>
+                </div>
                 <!-- Buscador -->
                 <div class="mb-4">
                     <div class="relative">