94 lines
5.0 KiB
TypeScript
94 lines
5.0 KiB
TypeScript
import type { InventoryFilters, VehicleModalSelection } from '../../model';
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import type { RegionalInventoryStats } from '../../types';
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const BRAND_ORDER = ['现代', '帕力安', '宇通', '飞驰', '跃进'];
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const normalizeBrand = (brand: string) => brand.trim().replace(/牌$/, '');
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function compareInventoryBrand(left: string, right: string) {
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const rank = (brand: string) => {
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const normalized = normalizeBrand(brand);
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if (!normalized || normalized === '其他') return BRAND_ORDER.length + 1;
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const index = BRAND_ORDER.indexOf(normalized);
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return index < 0 ? BRAND_ORDER.length : index;
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};
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return rank(left) - rank(right);
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}
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export function inventoryTotal(rows: RegionalInventoryStats[]) {
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return rows.reduce((total, row) => total + row.quantity, 0);
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}
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/** Decompose display text only; never change the model used for drilldown. */
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export function inventoryModelTags(row: Pick<RegionalInventoryStats, 'type' | 'model' | 'batch'> & Partial<Pick<RegionalInventoryStats, 'brand'>>) {
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const tags: { kind: 'type' | 'model' | 'detail' | 'batch'; label: string; value: string }[] = [];
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const type = row.type.trim();
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const model = row.model.trim();
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const details = Array.from(model.matchAll(/[（(]([^（）()]+)[）)]/g), match => match[1].trim()).filter(Boolean);
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const base = model.replace(/[（(]([^（）()]+)[）)]/g, '').trim();
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// The type already has its own tag, so avoid repeating it in the model tag.
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let compactModel = (type ? base.replace(type, '') : base).trim();
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// Alias model names can say “现代” even when the separate brand is “帕力安牌”.
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// Strip only a leading brand, preserving body style, color and qualifiers.
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const brands = [...new Set([row.brand || '', normalizeBrand(row.brand || ''), ...BRAND_ORDER, '帕力安牌'])]
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.filter(brand => brand && brand !== '其他').sort((a, b) => b.length - a.length);
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const prefix = brands.find(brand => compactModel.startsWith(brand));
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if (prefix) compactModel = compactModel.slice(prefix.length).replace(/^[\s-]+/, '').trim();
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if (type) tags.push({ kind: 'type', label: '车型', value: type });
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if (compactModel) tags.push({ kind: 'model', label: '型号', value: compactModel });
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for (const value of new Set(details)) tags.push({ kind: 'detail', label: '型号说明', value });
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const batch = row.batch?.trim();
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// The current API aliases batch to model; only render genuinely distinct values.
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if (batch && batch !== model) tags.push({ kind: 'batch', label: '批次', value: batch });
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return tags;
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}
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/** Preserve the displayed scope when opening a filtered total or group. */
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export function inventorySelection(filters: InventoryFilters, title: string, overrides: Partial<VehicleModalSelection> = {}): VehicleModalSelection {
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return {
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batch: 'All', model: filters.model || 'All',
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location: filters.city || filters.region || 'All',
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brand: filters.brand || undefined, vehicleType: filters.type || undefined,
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category: 'Inventory', source: 'asset', title, ...overrides,
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};
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}
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export interface InventoryDisplayGroup {
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name: string;
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sections: [string, RegionalInventoryStats[]][];
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rows: RegionalInventoryStats[];
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quantity: number;
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}
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/** Group presentation only: keep each original record for quantity and drilldown. */
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export function inventoryBrandGroups(rows: RegionalInventoryStats[], groupBy: 'type' | 'model') {
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const brands = new Map<string, { brand: string; rows: RegionalInventoryStats[]; variants: Map<string, RegionalInventoryStats[]> }>();
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for (const row of rows) {
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const key = normalizeBrand(row.brand);
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let brand = brands.get(key);
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if (!brand) {
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brand = { brand: row.brand, rows: [], variants: new Map() };
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brands.set(key, brand);
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}
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brand.rows.push(row);
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const variantKey = groupBy === 'type' ? row.type : JSON.stringify([row.type, row.model, row.batch]);
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const variant = brand.variants.get(variantKey) || [];
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variant.push(row);
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brand.variants.set(variantKey, variant);
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}
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return [...brands.values()].sort((a, b) => compareInventoryBrand(a.brand, b.brand))
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.map(brand => ({ ...brand, variants: [...brand.variants.values()] }));
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}
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export function inventoryGroups(source: Record<string, Record<string, RegionalInventoryStats[]>>, sort: 'default' | 'quantity', groupBy: 'region' | 'model' = 'region'): InventoryDisplayGroup[] {
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const groups = Object.entries(source).map(([name, children]) => {
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const sections: InventoryDisplayGroup['sections'] = Object.entries(children).map(([section, records]) => [
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section, [...records].sort((a, b) => compareInventoryBrand(a.brand, b.brand)),
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]);
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// Keep city blocks intact; in the type view order whole model blocks by brand.
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if (groupBy === 'model') sections.sort(([, a], [, b]) => compareInventoryBrand(a[0]?.brand || '', b[0]?.brand || ''));
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const rows = sections.flatMap(([, records]) => records);
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return { name, sections, rows, quantity: inventoryTotal(rows) };
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});
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return sort === 'quantity' ? groups.sort((a, b) => b.quantity - a.quantity) : groups;
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}
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