Product Conversion

2026-10-22 10:36:43 +03:30
parent 2048680d7a
commit 819e007e60
16 changed files with 1044 additions and 168 deletions
@@ -0,0 +1,175 @@
+import {
+  computed,
+  inject,
+  provide,
+  ref,
+  type ComputedRef,
+  type InjectionKey,
+  type Ref,
+} from 'vue'
+import { getProducts } from '@/api/products'
+import type { Product } from '@/models/products'
+import {
+  COPPER_CONVERT_WIRE_FALLBACK,
+  calcCopperWireConvert,
+  type CopperConvertPrices,
+  type CopperConvertResult,
+  type CopperConvertSource,
+} from '@/utils/copperWireConvert'
+import { LEGACY_GROUP_KATOD, LEGACY_GROUP_MAFTOL, normalizeProductGroupType } from '@/utils/productCategories'
+import { getProductBuyPrice } from '@/utils/productPrice'
+import { getLastPrices, startLastPricePolling, stopLastPricePolling } from '@/utils/price'
+import { persianToEnglishDigits } from '@/utils/persianDigits'
+
+export const COPPER_CONVERT_PAGE_KEY: InjectionKey<CopperConvertPageContext> =
+  Symbol('copperConvertPageContext')
+
+export interface CopperConvertPageContext {
+  loading: Ref<boolean>
+  source: Ref<CopperConvertSource>
+  inputKg: Ref<string>
+  prices: ComputedRef<CopperConvertPrices>
+  result: ComputedRef<CopperConvertResult | null>
+  priceRows: ComputedRef<{ label: string; value: string; missing?: boolean }[]>
+}
+
+function parseKg(raw: string): number {
+  const s = persianToEnglishDigits(String(raw ?? ''))
+    .replace(/,/g, '')
+    .replace(/[^\d.]/g, '')
+  const n = Number.parseFloat(s)
+  return Number.isFinite(n) ? n : 0
+}
+
+function titleIncludes(product: Product, part: string) {
+  return (product.title ?? '').includes(part)
+}
+
+function isKatodProduct(product: Product) {
+  const group = normalizeProductGroupType(product.group_type)
+  return group === LEGACY_GROUP_KATOD || titleIncludes(product, 'کاتد')
+}
+
+function isMaftolProduct(product: Product) {
+  const group = normalizeProductGroupType(product.group_type)
+  return group === LEGACY_GROUP_MAFTOL || titleIncludes(product, 'مفتول')
+}
+
+function isShamshProduct(product: Product) {
+  const group = normalizeProductGroupType(product.group_type)
+  return group.includes('شمش') || titleIncludes(product, 'شمش')
+}
+
+function wireCrossSection(product: Product): '1.5' | '2.5' | null {
+  const t = product.title ?? ''
+  if (/1\.5|۱\.۵/.test(t)) return '1.5'
+  if (/2\.5|۲\.۵/.test(t)) return '2.5'
+  return null
+}
+
+function isWireProduct(product: Product) {
+  const t = `${product.group_type ?? ''} ${product.title ?? ''}`
+  return t.includes('سیم') || wireCrossSection(product) != null
+}
+
+function pickProduct(
+  products: Product[],
+  matcher: (p: Product) => boolean,
+): Product | undefined {
+  return products.find((p) => p.active && matcher(p))
+}
+
+function resolveWireRingPrice(product: Product | undefined, fallback: number): number {
+  if (!product) return fallback
+  const price = getProductBuyPrice(product)
+  return price > 0 ? price : fallback
+}
+
+export function useCopperConvertPage() {
+  const loading = ref(true)
+  const source = ref<CopperConvertSource>('katod')
+  const inputKg = ref('')
+  const catalog = ref<Product[]>([])
+
+  const katodProduct = computed(() => pickProduct(catalog.value, isKatodProduct))
+  const maftolProduct = computed(() => pickProduct(catalog.value, isMaftolProduct))
+  const shamshProduct = computed(() => pickProduct(catalog.value, isShamshProduct))
+  const wire15Product = computed(() =>
+    pickProduct(catalog.value, (p) => isWireProduct(p) && wireCrossSection(p) === '1.5'),
+  )
+  const wire25Product = computed(() =>
+    pickProduct(catalog.value, (p) => isWireProduct(p) && wireCrossSection(p) === '2.5'),
+  )
+
+  const prices = computed<CopperConvertPrices>(() => ({
+    katodPerKg: katodProduct.value ? getProductBuyPrice(katodProduct.value) : 0,
+    maftoulPerKg: maftolProduct.value ? getProductBuyPrice(maftolProduct.value) : 0,
+    shamshPerKg: shamshProduct.value ? getProductBuyPrice(shamshProduct.value) : 0,
+    wireRing15: resolveWireRingPrice(wire15Product.value, COPPER_CONVERT_WIRE_FALLBACK.wireRing15),
+    wireRing25: resolveWireRingPrice(wire25Product.value, COPPER_CONVERT_WIRE_FALLBACK.wireRing25),
+    wireWeightGrams15: COPPER_CONVERT_WIRE_FALLBACK.wireWeightGrams15,
+    wireWeightGrams25: COPPER_CONVERT_WIRE_FALLBACK.wireWeightGrams25,
+  }))
+
+  const result = computed(() =>
+    calcCopperWireConvert(parseKg(inputKg.value), source.value, prices.value),
+  )
+
+  const priceRows = computed(() => {
+    const p = prices.value
+    const row = (label: string, amount: number) => ({
+      label,
+      value: amount > 0 ? `${Math.round(amount).toLocaleString('en-US')} ریال` : '—',
+      missing: amount <= 0,
+    })
+    return [
+      row('قیمت کاتد (هر کیلو)', p.katodPerKg),
+      row('قیمت مفتول (هر کیلو)', p.maftoulPerKg),
+      row('قیمت شمش (هر کیلو)', p.shamshPerKg),
+      row('قیمت حلقه سیم ۱.۵', p.wireRing15),
+      row('قیمت حلقه سیم ۲.۵', p.wireRing25),
+    ]
+  })
+
+  async function loadCatalog() {
+    loading.value = true
+    try {
+      await getLastPrices()
+      const list = await getProducts()
+      catalog.value = Array.isArray(list) ? list : []
+    } catch {
+      catalog.value = []
+    } finally {
+      loading.value = false
+    }
+  }
+
+  async function refreshLivePrices() {
+    startLastPricePolling()
+    await loadCatalog()
+  }
+
+  function stopLivePrices() {
+    stopLastPricePolling()
+  }
+
+  const ctx: CopperConvertPageContext = {
+    loading,
+    source,
+    inputKg,
+    prices,
+    result,
+    priceRows,
+  }
+
+  provide(COPPER_CONVERT_PAGE_KEY, ctx)
+  return { ...ctx, refreshLivePrices, stopLivePrices, loadCatalog }
+}
+
+export function useCopperConvertPageContext() {
+  const ctx = inject(COPPER_CONVERT_PAGE_KEY)
+  if (!ctx) {
+    throw new Error('useCopperConvertPageContext requires useCopperConvertPage')
+  }
+  return ctx
+}