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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 | 1x 1x 1x 1x 1x 1x 1x 1x 1x | <template> <Teleport to="body"> <Transition name="modal"> <div v-if="modelValue" class="fixed inset-0 z-[60] flex flex-col bg-black"> <!-- Header --> <div class="flex items-center gap-3 px-4 pt-safe pt-4 pb-3 bg-black/80"> <button @click="close" class="p-2 rounded-xl text-white/70 hover:text-white hover:bg-white/10 transition-colors" aria-label="Schließen"> <svg class="w-5 h-5" fill="none" viewBox="0 0 24 24" stroke="currentColor" stroke-width="2"> <path stroke-linecap="round" stroke-linejoin="round" d="M6 18L18 6M6 6l12 12" /> </svg> </button> <div> <h2 class="font-semibold text-white text-sm">Barcode scannen</h2> <p class="text-white/50 text-xs">{{ statusText }}</p> </div> </div> <!-- Camera --> <div class="relative flex-1 overflow-hidden"> <video ref="videoEl" class="w-full h-full object-cover" autoplay playsinline muted /> <!-- Scan frame overlay --> <div class="absolute inset-0 flex items-center justify-center pointer-events-none"> <div class="relative w-64 h-40"> <!-- Corner brackets --> <div class="absolute top-0 left-0 w-8 h-8 border-t-2 border-l-2 border-ctp-teal rounded-tl-md" /> <div class="absolute top-0 right-0 w-8 h-8 border-t-2 border-r-2 border-ctp-teal rounded-tr-md" /> <div class="absolute bottom-0 left-0 w-8 h-8 border-b-2 border-l-2 border-ctp-teal rounded-bl-md" /> <div class="absolute bottom-0 right-0 w-8 h-8 border-b-2 border-r-2 border-ctp-teal rounded-br-md" /> <!-- Scan line --> <div v-if="scanning" class="scan-line absolute left-2 right-2 h-0.5 bg-ctp-teal opacity-80" /> </div> </div> <!-- Found overlay --> <Transition name="found"> <div v-if="foundProduct" class="absolute inset-x-0 bottom-0 bg-gradient-to-t from-black/90 to-transparent pt-8 pb-6 px-6"> <div class="flex items-center gap-3 mb-3"> <img v-if="foundProduct.imageUrl" :src="foundProduct.imageUrl" class="w-14 h-14 rounded-xl object-cover bg-white/10 shrink-0" alt="" /> <div class="min-w-0"> <p class="text-white font-semibold text-base leading-tight truncate">{{ foundProduct.name }}</p> <p class="text-white/60 text-xs mt-0.5">{{ productSummary(foundProduct) || ('Barcode: ' + lastBarcode) }}</p> </div> </div> <div class="flex gap-3"> <button @click="rejectProduct" class="flex-1 py-3 rounded-xl bg-white/10 text-white text-sm font-medium">Abbrechen</button> <button @click="acceptProduct" class="flex-1 py-3 rounded-xl bg-ctp-teal text-ctp-base text-sm font-semibold">Übernehmen</button> </div> </div> </Transition> <!-- Unsupported --> <div v-if="unsupported" class="absolute inset-0 flex flex-col items-center justify-center gap-4 bg-black/80 px-8 text-center"> <span class="text-4xl">📵</span> <p class="text-white font-semibold">Barcode-Scanner nicht verfügbar</p> <p class="text-white/60 text-sm">Dein Browser unterstützt die BarcodeDetector API nicht. Nutze Chrome oder Edge.</p> <button @click="close" class="mt-2 px-6 py-3 rounded-xl bg-white/10 text-white text-sm font-medium">Schließen</button> </div> </div> </div> </Transition> </Teleport> </template> <script setup lang="ts"> import { ref, watch, onUnmounted } from 'vue' export interface ScannedProduct { name: string imageUrl: string | null quantity: number | null quantityUnit: string | null } const props = defineProps<{ modelValue: boolean }>() const emit = defineEmits<{ 'update:modelValue': [val: boolean] 'scanned': [product: ScannedProduct] }>() const videoEl = ref<HTMLVideoElement | null>(null) const scanning = ref(false) const unsupported = ref(false) const foundProduct = ref<ScannedProduct | null>(null) const lastBarcode = ref('') const statusText = ref('Halte einen Barcode in den Rahmen') let stream: MediaStream | null = null let detector: any = null let animFrame: number | null = null watch(() => props.modelValue, async (open) => { if (open) { await startScanner() } else { stopScanner() } }) onUnmounted(stopScanner) async function startScanner() { foundProduct.value = null unsupported.value = false statusText.value = 'Halte einen Barcode in den Rahmen' if (!('BarcodeDetector' in window)) { unsupported.value = true return } try { stream = await navigator.mediaDevices.getUserMedia({ video: { facingMode: 'environment', width: { ideal: 1280 }, height: { ideal: 720 } } }) if (videoEl.value) { videoEl.value.srcObject = stream await videoEl.value.play() } // @ts-ignore — BarcodeDetector not yet in TS lib detector = new BarcodeDetector({ formats: ['ean_13', 'ean_8', 'upc_a', 'upc_e', 'code_128', 'code_39', 'qr_code'] }) scanning.value = true detectLoop() } catch { statusText.value = 'Kamera-Zugriff verweigert' } } async function detectLoop() { if (!videoEl.value || !detector || !scanning.value) return try { const barcodes = await detector.detect(videoEl.value) if (barcodes.length > 0 && !foundProduct.value) { const code = barcodes[0].rawValue lastBarcode.value = code scanning.value = false statusText.value = 'Barcode erkannt — suche Produkt…' await lookupBarcode(code) } } catch { /* ignore */ } if (scanning.value) { animFrame = requestAnimationFrame(detectLoop) } } const UNIT_NORM: Record<string, string> = { g: 'g', kg: 'kg', ml: 'ml', l: 'L', cl: 'ml', stk: 'Stk.' } async function lookupBarcode(code: string) { try { const res = await fetch(`https://world.openfoodfacts.org/api/v0/product/${code}.json`) const data = await res.json() if (data.status === 1 && data.product?.product_name) { const p = data.product // Prefer localized German name const productName: string = p.product_name_de || p.product_name // Prefer the 200px small variant to avoid loading a multi-MB original const imageUrl: string | null = p.image_front_small_url ?? p.image_front_url ?? p.image_url ?? null // Parse quantity: product_quantity is numeric, product_quantity_unit is the unit string const qty: number | null = p.product_quantity ? Number(p.product_quantity) : null const rawUnit: string = (p.product_quantity_unit ?? '').toLowerCase().trim() const unit: string | null = UNIT_NORM[rawUnit] ?? (rawUnit || null) foundProduct.value = { name: productName, imageUrl, quantity: qty, quantityUnit: unit } statusText.value = 'Produkt gefunden' } else { foundProduct.value = { name: code, imageUrl: null, quantity: null, quantityUnit: null } statusText.value = 'Produkt unbekannt — Barcode übernehmen' } } catch { foundProduct.value = { name: code, imageUrl: null, quantity: null, quantityUnit: null } statusText.value = 'Offline — Barcode als Name' } } function acceptProduct() { if (foundProduct.value) { emit('scanned', foundProduct.value) close() } } function productSummary(p: ScannedProduct): string { const parts: string[] = [] if (p.quantity) parts.push(`${p.quantity} ${p.quantityUnit ?? ''}`.trim()) if (p.imageUrl) parts.push('📷 Bild') return parts.join(' · ') } function rejectProduct() { foundProduct.value = null scanning.value = true statusText.value = 'Halte einen Barcode in den Rahmen' detectLoop() } function stopScanner() { scanning.value = false if (animFrame) { cancelAnimationFrame(animFrame); animFrame = null } if (stream) { stream.getTracks().forEach(t => t.stop()); stream = null } if (videoEl.value) videoEl.value.srcObject = null foundProduct.value = null } function close() { stopScanner() emit('update:modelValue', false) } </script> <style scoped> .modal-enter-active, .modal-leave-active { transition: opacity 0.2s ease; } .modal-enter-from, .modal-leave-to { opacity: 0; } .found-enter-active { transition: transform 0.3s cubic-bezier(0.16,1,0.3,1), opacity 0.25s ease; } .found-leave-active { transition: opacity 0.2s ease; } .found-enter-from { transform: translateY(20px); opacity: 0; } .found-leave-to { opacity: 0; } .scan-line { animation: scan 2s ease-in-out infinite; top: 0; } @keyframes scan { 0%, 100% { top: 4px; } 50% { top: calc(100% - 4px); } } </style> |