Files
app/src/services/offers.service.ts
2026-03-24 19:59:14 +01:00

356 lines
11 KiB
TypeScript

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