pc_builder/inertia/pages/widgets/NewPartSearch.vue

<script setup lang="ts">
import { reactive, ref, watch } from 'vue'
import type { MerchantOffer, ScrapedPart } from '~/pages/types/UITypes'

const emit = defineEmits<{
  import: [part: ScrapedPart, offer: MerchantOffer | null]
}>()

function faviconUrl(source: string): string {
  return `https://www.google.com/s2/favicons?domain=${encodeURIComponent(source)}&sz=32`
}

const query = ref('')
const results = ref<ScrapedPart[]>([])
const isLoading = ref(false)
const hasSearched = ref(false)
let debounceTimer: ReturnType<typeof setTimeout> | null = null

// Per-part price comparison state, keyed by scraped part id.
const comparing = reactive<Record<number, boolean>>({})
const offers = reactive<Record<number, MerchantOffer[]>>({})
const compareErrors = reactive<Record<number, boolean>>({})

async function search() {
  if (!query.value.trim()) {
    results.value = []
    hasSearched.value = false
    return
  }

  isLoading.value = true
  try {
    const response = await fetch(`/scraped-parts?q=${encodeURIComponent(query.value.trim())}`, {
      headers: { Accept: 'application/json' },
    })
    if (response.ok) {
      results.value = await response.json()
    } else {
      results.value = []
    }
  } finally {
    isLoading.value = false
    hasSearched.value = true
  }
}

watch(query, () => {
  if (debounceTimer) clearTimeout(debounceTimer)
  debounceTimer = setTimeout(search, 400)
})

async function comparePrices(part: ScrapedPart) {
  comparing[part.id] = true
  compareErrors[part.id] = false
  try {
    const response = await fetch(`/scraped-parts/compare?id=${part.id}`, {
      headers: { Accept: 'application/json' },
    })
    if (!response.ok) {
      compareErrors[part.id] = true
      return
    }
    const data = await response.json()
    offers[part.id] = data.offers ?? []

    // The backend already persists this exact value server-side (see
    // ScrapedPartsController#compare): the cheapest offer's price when
    // one was found (updatePriceIfCheaper), or null when no merchant
    // confirmed a price at all (clearPriceIfNoOffers) — an unverified
    // pc-builder.io catalog price is not kept around just because the
    // comparison came back empty. Mirror that here on the locally held
    // result so the display (e.g. "€979.95" or "No price yet") reflects
    // it immediately, instead of the initial search-result price sticking
    // around until the user re-runs the search from scratch.
    part.price = data.price ?? null

    if (offers[part.id].length === 0) {
      compareErrors[part.id] = true
    }
  } catch {
    compareErrors[part.id] = true
  } finally {
    comparing[part.id] = false
  }
}

function cheapestOffer(part: ScrapedPart): MerchantOffer | null {
  return offers[part.id]?.[0] ?? null
}

function merchantDomain(merchant: MerchantOffer['merchant']): string {
  const domains: Record<MerchantOffer['merchant'], string> = {
    'Amazon': 'amazon.fr',
    'LDLC': 'ldlc.com',
    'Grosbill': 'grosbill.com',
    'TopAchat': 'topachat.com',
    'Materiel.net': 'materiel.net',
    'Cdiscount': 'cdiscount.com',
    'PCComponentes': 'pccomponentes.com',
  }
  return domains[merchant]
}

function importPart(part: ScrapedPart) {
  emit('import', part, cheapestOffer(part))
}
</script>

<template>
  <div class="border border-gray-200 rounded-lg p-4 bg-gray-50">
    <label class="block text-gray-700 text-sm font-bold mb-2">
      Search a new part (pc-builder.io)
    </label>
    <input
      v-model="query"
      type="text"
      placeholder="e.g. Ryzen 5 7600X, RTX 4070..."
      class="w-full border-gray-200 focus:border-indigo-600 focus:ring focus:ring-indigo-500/40 px-3 py-2 border rounded text-gray-700"
    />

    <p v-if="isLoading" class="text-sm text-gray-500 mt-2">Searching…</p>
    <p v-else-if="hasSearched && results.length === 0" class="text-sm text-gray-500 mt-2">
      No matching part found.
    </p>
    <p v-else-if="results.length > 0" class="text-xs text-gray-500 mt-2">
      {{ results.length }} result{{ results.length > 1 ? 's' : '' }} — scroll for more
    </p>

    <ul v-if="results.length > 0" class="mt-1 space-y-2 max-h-96 overflow-y-auto">
      <li
        v-for="part in results"
        :key="part.id"
        class="bg-white border border-gray-200 rounded p-2"
      >
        <div class="flex items-center gap-3">
          <img
            v-if="part.imageUrl"
            :src="part.imageUrl"
            alt=""
            class="w-10 h-10 object-contain shrink-0"
          />
          <div class="flex-1 min-w-0">
            <p class="text-sm text-gray-800 truncate" :title="part.name">{{ part.name }}</p>
            <p class="text-xs text-gray-500">
              {{ part.type.name }}
              <span v-if="part.price !== null"> · €{{ part.price.toFixed(2) }}</span>
              <span v-else class="text-gray-400"> · No price yet</span>
            </p>
          </div>
          <button
            type="button"
            class="px-3 py-1 text-sm bg-indigo-600 text-white rounded hover:bg-indigo-700 transition shrink-0"
            @click="importPart(part)"
          >
            Import
          </button>
        </div>

        <div class="mt-2 pl-13 flex items-center gap-2 flex-wrap">
          <button
            v-if="!offers[part.id]"
            type="button"
            :disabled="comparing[part.id]"
            class="text-xs px-2 py-1 border border-gray-300 rounded text-gray-600 hover:bg-gray-100 transition disabled:opacity-50"
            @click="comparePrices(part)"
          >
            {{ comparing[part.id] ? 'Checking prices…' : 'Compare prices' }}
          </button>

          <template v-else-if="cheapestOffer(part)">
            <img
              :src="faviconUrl(merchantDomain(cheapestOffer(part)!.merchant))"
              alt=""
              class="w-4 h-4 shrink-0"
            />
            <a
              :href="cheapestOffer(part)!.url"
              target="_blank"
              rel="noopener noreferrer"
              class="text-xs text-indigo-600 hover:underline"
            >
              {{ cheapestOffer(part)!.merchant }}: €{{ cheapestOffer(part)!.price.toFixed(2) }}
              (cheapest)
            </a>
          </template>

          <span v-if="compareErrors[part.id]" class="text-xs text-gray-400">
            No price found on any merchant for this part.
          </span>
        </div>
      </li>
    </ul>
  </div>
</template>