refactor: extract offers business logic into offers.service.ts
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
BOHA
284
src/services/offers.service.ts
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284
src/services/offers.service.ts
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import prisma from '../config/database';
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import { generateOfferNumber } from './numbering.service';
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interface QuotationItemInput { description?: string; item_description?: string; quantity?: number; unit?: string; unit_price?: number; is_included_in_total?: boolean; position?: number }
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interface ScopeSectionInput { title?: string; title_cz?: string; content?: string; position?: number }
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// Re-export for convenience
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export { generateOfferNumber as getNextOfferNumber } from './numbering.service';
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const ALLOWED_SORT_FIELDS = ['id', 'quotation_number', 'project_code', 'created_at', 'valid_until', 'currency', 'status'];
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interface ListOffersParams {
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page: number;
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limit: number;
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skip: number;
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sort: string;
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order: 'asc' | 'desc';
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search: string;
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status?: string;
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customer_id?: number;
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}
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function enrichQuotation(q: any) {
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const subtotal = q.quotation_items
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.filter((i: any) => i.is_included_in_total !== false)
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.reduce((s: number, i: any) => s + (Number(i.quantity) || 0) * (Number(i.unit_price) || 0), 0);
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const vatAmount = q.apply_vat ? subtotal * ((Number(q.vat_rate) || 21) / 100) : 0;
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const { quotation_items, scope_sections, ...rest } = q;
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return {
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...rest,
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items: quotation_items,
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sections: scope_sections,
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customer_name: q.customers?.name || null,
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subtotal: Math.round(subtotal * 100) / 100,
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vat_amount: Math.round(vatAmount * 100) / 100,
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total: Math.round((subtotal + vatAmount) * 100) / 100,
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};
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}
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export async function listOffers(params: ListOffersParams) {
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const { page, limit, skip, sort, order, search, status, customer_id } = params;
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const sortField = ALLOWED_SORT_FIELDS.includes(sort) ? sort : 'id';
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const where: Record<string, unknown> = {};
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if (status) where.status = status;
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if (customer_id) where.customer_id = customer_id;
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if (search) {
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where.OR = [
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{ quotation_number: { contains: search } },
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{ project_code: { contains: search } },
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{ customers: { name: { contains: search } } },
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];
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}
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const [quotations, total] = await Promise.all([
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prisma.quotations.findMany({
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where,
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skip,
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take: limit,
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orderBy: { [sortField]: order },
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include: {
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customers: { select: { id: true, name: true } },
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quotation_items: { orderBy: { position: 'asc' } },
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scope_sections: { orderBy: { position: 'asc' } },
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},
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}),
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prisma.quotations.count({ where }),
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]);
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const enriched = quotations.map(enrichQuotation);
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return { data: enriched, total, page, limit };
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}
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export async function getOffer(id: number) {
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const quotation = await prisma.quotations.findUnique({
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where: { id },
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include: {
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customers: true,
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quotation_items: { orderBy: { position: 'asc' } },
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scope_sections: { orderBy: { position: 'asc' } },
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},
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});
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if (!quotation) return null;
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// Fetch linked order if exists
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let orderInfo = null;
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if (quotation.order_id) {
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const order = await prisma.orders.findUnique({
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where: { id: quotation.order_id },
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select: { id: true, order_number: true, status: true },
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});
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orderInfo = order;
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}
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const { quotation_items, scope_sections, ...rest } = quotation;
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return {
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...rest,
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items: quotation_items,
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sections: scope_sections,
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customer: quotation.customers,
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customer_name: quotation.customers?.name || null,
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order: orderInfo,
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};
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}
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export async function createOffer(body: Record<string, any>) {
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const quotation = await prisma.quotations.create({
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data: {
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quotation_number: body.quotation_number ? String(body.quotation_number) : null,
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project_code: body.project_code ? String(body.project_code) : null,
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customer_id: body.customer_id ? Number(body.customer_id) : null,
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valid_until: body.valid_until ? new Date(String(body.valid_until)) : null,
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currency: body.currency ? String(body.currency) : 'CZK',
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language: body.language ? String(body.language) : 'cs',
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vat_rate: body.vat_rate ? Number(body.vat_rate) : 21.0,
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apply_vat: body.apply_vat !== false,
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exchange_rate: body.exchange_rate ? Number(body.exchange_rate) : 1.0,
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status: body.status ? String(body.status) : 'active',
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scope_title: body.scope_title ? String(body.scope_title) : null,
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scope_description: body.scope_description ? String(body.scope_description) : null,
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},
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});
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if (Array.isArray(body.items)) {
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await prisma.quotation_items.createMany({
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data: (body.items as QuotationItemInput[]).map((item, i) => ({
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quotation_id: quotation.id,
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description: item.description ?? null,
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item_description: item.item_description ?? null,
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quantity: item.quantity ?? 1,
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unit: item.unit ?? null,
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unit_price: item.unit_price ?? 0,
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is_included_in_total: item.is_included_in_total !== false,
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position: item.position ?? i,
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})),
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});
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}
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if (Array.isArray(body.sections)) {
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await prisma.scope_sections.createMany({
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data: (body.sections as ScopeSectionInput[]).map((s, i) => ({
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quotation_id: quotation.id,
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title: s.title ?? null,
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title_cz: s.title_cz ?? null,
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content: s.content ?? null,
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position: s.position ?? i,
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})),
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});
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}
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return quotation;
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}
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export async function updateOffer(id: number, body: Record<string, any>) {
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const existing = await prisma.quotations.findUnique({ where: { id } });
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if (!existing) return { error: 'not_found' as const };
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if (existing.status === 'invalidated') return { error: 'invalidated' as const };
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await prisma.quotations.update({
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where: { id },
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data: {
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quotation_number: body.quotation_number !== undefined ? String(body.quotation_number) : undefined,
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customer_id: body.customer_id !== undefined ? Number(body.customer_id) : undefined,
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valid_until: body.valid_until !== undefined ? (body.valid_until ? new Date(String(body.valid_until)) : null) : undefined,
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currency: body.currency !== undefined ? String(body.currency) : undefined,
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language: body.language !== undefined ? String(body.language) : undefined,
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vat_rate: body.vat_rate !== undefined ? Number(body.vat_rate) : undefined,
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apply_vat: body.apply_vat !== undefined ? (body.apply_vat === true || body.apply_vat === 1 || body.apply_vat === '1') : undefined,
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exchange_rate: body.exchange_rate !== undefined ? Number(body.exchange_rate) : undefined,
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status: body.status !== undefined ? String(body.status) : undefined,
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project_code: body.project_code !== undefined ? (body.project_code ? String(body.project_code) : null) : undefined,
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scope_title: body.scope_title !== undefined ? (body.scope_title ? String(body.scope_title) : null) : undefined,
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scope_description: body.scope_description !== undefined ? (body.scope_description ? String(body.scope_description) : null) : undefined,
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modified_at: new Date(),
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},
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});
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if (Array.isArray(body.items) || Array.isArray(body.sections)) {
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await prisma.$transaction(async (tx) => {
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if (Array.isArray(body.items)) {
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await tx.quotation_items.deleteMany({ where: { quotation_id: id } });
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await tx.quotation_items.createMany({
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data: (body.items as QuotationItemInput[]).map((item, i) => ({
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quotation_id: id,
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description: item.description ?? null,
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item_description: item.item_description ?? null,
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quantity: item.quantity ?? 1,
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unit: item.unit ?? null,
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unit_price: item.unit_price ?? 0,
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is_included_in_total: item.is_included_in_total !== false,
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position: item.position ?? i,
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})),
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});
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}
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if (Array.isArray(body.sections)) {
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await tx.scope_sections.deleteMany({ where: { quotation_id: id } });
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await tx.scope_sections.createMany({
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data: (body.sections as ScopeSectionInput[]).map((s, i) => ({
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quotation_id: id,
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title: s.title ?? null,
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title_cz: s.title_cz ?? null,
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content: s.content ?? null,
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position: s.position ?? i,
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})),
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});
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}
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});
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}
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return { id, quotation_number: existing.quotation_number };
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}
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export async function deleteOffer(id: number) {
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const existing = await prisma.quotations.findUnique({ where: { id } });
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if (!existing) return null;
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await prisma.quotations.delete({ where: { id } });
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return existing;
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}
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export async function duplicateOffer(id: number) {
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const original = await prisma.quotations.findUnique({
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where: { id },
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include: { quotation_items: { orderBy: { position: 'asc' } }, scope_sections: { orderBy: { position: 'asc' } } },
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});
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if (!original) return null;
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const nextOfferNumber = await generateOfferNumber();
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const copy = await prisma.quotations.create({
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data: {
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quotation_number: nextOfferNumber,
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project_code: original.project_code,
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customer_id: original.customer_id,
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valid_until: null,
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currency: original.currency,
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language: original.language,
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vat_rate: original.vat_rate,
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apply_vat: original.apply_vat,
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exchange_rate: original.exchange_rate,
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status: 'active',
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scope_title: original.scope_title,
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scope_description: original.scope_description,
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},
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});
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if (original.quotation_items.length > 0) {
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await prisma.quotation_items.createMany({
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data: original.quotation_items.map((item) => ({
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quotation_id: copy.id,
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description: item.description,
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item_description: item.item_description,
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quantity: item.quantity,
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unit: item.unit,
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unit_price: item.unit_price,
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is_included_in_total: item.is_included_in_total,
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position: item.position,
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})),
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});
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}
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if (original.scope_sections.length > 0) {
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await prisma.scope_sections.createMany({
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data: original.scope_sections.map((s) => ({
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quotation_id: copy.id,
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title: s.title,
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title_cz: s.title_cz,
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content: s.content,
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position: s.position,
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})),
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});
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}
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return { copy, original };
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}
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export async function invalidateOffer(id: number) {
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const existing = await prisma.quotations.findUnique({ where: { id } });
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if (!existing) return null;
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await prisma.quotations.update({ where: { id }, data: { status: 'invalidated', modified_at: new Date() } });
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return existing;
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}
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