Files
WorthPath/apps/api/src/portfolio.ts
T

454 lines
16 KiB
TypeScript

import { Injectable } from '@nestjs/common';
import {
Controller,
Get,
Post,
Patch,
Put,
Delete,
Body,
Req,
Param,
Query,
NotFoundException,
ConflictException,
BadRequestException,
} from '@nestjs/common';
import { Database } from './database';
import { UserRequest } from './auth';
import {
positionInput,
positionMeta,
revisionInput,
today,
toBusinessDate,
pairedReasons,
} from './validation';
import { totals, trend } from './calculation';
import { currentPositions, currentRates, historyPage, trendData, trendInput } from './queries';
import { z } from 'zod';
import { Prisma } from '@prisma/client';
import { IconsService } from './icons';
import { MetalsService, metalPerformance } from './metals';
import { RatesService } from './rates';
import { captureReplay } from './replay';
import { changeMovement } from './transfers';
@Injectable()
export class PortfolioBusinessService {
constructor(
private db: Database,
private fx: RatesService,
private icons: IconsService,
private metals: MetalsService,
) {}
private async own(userId: string, id: string, revealed = false) {
const [p] = await this.db.$transaction((tx) => currentPositions(tx, userId, revealed, id));
if (!p) throw new NotFoundException('项目不存在');
return p;
}
async list(r: UserRequest, inputKind?: string) {
const kind = z.enum(['account', 'asset', 'debt']).optional().parse(inputKind);
return this.db.$transaction(async (tx) => {
const rows = await currentPositions(tx, r.userId, r.revealed, undefined, kind);
const user = await tx.user.findUniqueOrThrow({
where: { id: r.userId },
select: { baseCurrency: true, includeIndependentAssets: true },
});
const rates = await currentRates(
tx,
r.userId,
rows.map((p) => p.currency),
user.baseCurrency,
today(),
);
const amounts = new Map(
totals(rows, rates, user.baseCurrency, today()).items.map((p) => [p.id, p]),
);
return rows.map(({ revisions, userId, ...p }) => ({
...p,
...metalPerformance(p, revisions[0]?.amount.toString() || '0', !!revisions.length),
amount: revisions[0]?.amount.toString() || '0',
converted: amounts.get(p.id)!.converted,
rateDate: amounts.get(p.id)!.rateDate,
}));
});
}
async detail(r: UserRequest, id: string) {
const { revisions, userId, ...p } = await this.own(r.userId, id, r.revealed);
return {
...p,
...metalPerformance(p, revisions[0]?.amount.toString() || '0', !!revisions.length),
amount: revisions[0]?.amount.toString() || '0',
};
}
async history(r: UserRequest, query: unknown) {
return this.db.$transaction((tx) => historyPage(tx, r.userId, r.revealed, query));
}
async positionHistory(r: UserRequest, id: string, query: Record<string, string>) {
return this.db.$transaction(async (tx) => {
const p = await tx.position.findFirst({
where: { id, userId: r.userId, ...(r.revealed ? {} : { hidden: false }) },
});
if (!p) throw new NotFoundException('项目不存在');
return historyPage(tx, r.userId, r.revealed, { ...query, positionId: id });
});
}
async trend(r: UserRequest, query: unknown) {
const q = trendInput(query);
return this.db.$transaction(
async (tx) => {
const data = await trendData(tx, r.userId, r.revealed, q.from, q.to);
return {
...q,
baseCurrency: data.base,
revealed: r.revealed,
items: trend(data.positions, data.rates, data.base, q.from, q.to, q.grain),
};
},
{ timeout: 30000 },
);
}
async create(r: UserRequest, b: unknown) {
const v = positionInput.parse(b),
{ amount, date, ...meta } = v;
await this.icons.requireVisible(r.userId, meta.iconId);
const created = await this.db.position.create({
data: {
...meta,
userId: r.userId,
revisions: {
create: {
amount,
effectiveDate: toBusinessDate(date),
notes: v.notes,
reason: 'initial',
},
},
},
select: { id: true },
});
this.fx.invalidate(r.userId);
return created;
}
async edit(r: UserRequest, id: string, b: unknown) {
const v = positionMeta.parse(b),
p = await this.own(r.userId, id, r.revealed);
if (
p.kind === 'account' &&
['credit_card', 'loan'].includes(v.category) &&
p.side !== 'liability'
)
throw new BadRequestException('信用卡和贷款账户必须为负债');
await this.icons.requireVisible(r.userId, v.iconId);
await this.db.position.update({
where: { id: p.id },
data: {
...v,
...(p.kind === 'asset' && v.category !== 'gold'
? {
metalType: null,
metalGrams: null,
metalCostPerGram: null,
metalPurity: '1',
autoValuation: false,
}
: {}),
},
});
return { ok: true };
}
async deletion(r: UserRequest, id: string) {
const p = await this.own(r.userId, id, r.revealed);
const [historyCount, movementCount, scheduleCount, linkCount] = await Promise.all([
this.db.revision.count({ where: { positionId: id } }),
this.db.transfer.count({
where: { userId: r.userId, OR: [{ sourceId: id }, { targetId: id }] },
}),
this.db.schedule.count({
where: { userId: r.userId, OR: [{ sourceId: id }, { targetId: id }] },
}),
this.db.positionLink.count({ where: { OR: [{ sourceId: id }, { targetId: id }] } }),
]);
return {
name: p.name,
historyCount,
movementCount,
scheduleCount,
linkCount,
canDelete: movementCount === 0 && scheduleCount === 0,
};
}
async remove(r: UserRequest, id: string, raw: unknown) {
const input = z
.object({ confirmation: z.string().min(1).max(100) })
.strict()
.parse(raw);
const result = await this.db.serial(async (tx) => {
await tx.$queryRaw(
Prisma.sql`SELECT id FROM Position WHERE id = ${id} AND userId = ${r.userId} FOR UPDATE`,
);
const p = await tx.position.findFirst({
where: { id, userId: r.userId, ...(r.revealed ? {} : { hidden: false }) },
});
if (!p) throw new NotFoundException('项目不存在');
if (input.confirmation !== p.name)
throw new BadRequestException('请输入完整项目名称确认删除');
// Paired movements must be removed through replay, never via cascade.
if (
await tx.transfer.count({
where: { userId: r.userId, OR: [{ sourceId: id }, { targetId: id }] },
})
)
throw new ConflictException(
'项目存在资金往来,请先撤销相关转账、借贷或还款记录,或选择归档保留历史',
);
if (
await tx.schedule.count({
where: { userId: r.userId, OR: [{ sourceId: id }, { targetId: id }] },
})
)
throw new ConflictException('项目被定时计划使用,请先删除相关计划,或选择归档');
await tx.position.delete({ where: { id } });
return { ok: true };
});
this.fx.invalidate(r.userId);
return result;
}
async revise(r: UserRequest, id: string, b: unknown) {
const v = revisionInput.parse(b);
if (pairedReasons.includes(v.reason)) throw new BadRequestException('请使用账户转账接口');
return this.db.serial(async (tx) => {
await tx.$queryRaw(
Prisma.sql`SELECT id FROM Position WHERE id = ${id} AND userId = ${r.userId} FOR UPDATE`,
);
const p = await tx.position.findFirst({
where: { id, userId: r.userId, ...(r.revealed ? {} : { hidden: false }) },
});
if (!p) throw new NotFoundException('项目不存在');
if (p.archived) throw new ConflictException('请先恢复归档项目');
if (v.amount.startsWith('-') && p.kind !== 'account')
throw new BadRequestException('仅账户支持负余额');
const lastTransfer = await tx.revision.findFirst({
where: { positionId: p.id, reason: { in: pairedReasons } },
orderBy: [{ effectiveDate: 'desc' }, { sequence: 'desc' }],
});
if (lastTransfer && toBusinessDate(v.date) < lastTransfer.effectiveDate)
throw new ConflictException('余额调整时间不能早于已有转账;请使用当前时间调整');
if (v.reason === 'repayment') {
if (p.side !== 'liability') throw new BadRequestException('还款记录只能用于负债');
const prior = await tx.revision.findFirst({
where: { positionId: p.id, effectiveDate: { lte: toBusinessDate(v.date) } },
orderBy: [{ effectiveDate: 'desc' }, { sequence: 'desc' }],
});
if (!prior || new Prisma.Decimal(v.amount).gt(prior.amount))
throw new BadRequestException('还款后的欠款不能高于该业务日期的原欠款');
}
return tx.revision.create({
data: {
positionId: p.id,
amount: v.amount,
effectiveDate: toBusinessDate(v.date),
notes: v.notes,
reason: v.reason,
},
});
});
}
async correct(r: UserRequest, id: string, revisionId: string, b: unknown) {
const v = revisionInput.parse(b);
return this.db.serial(async (tx) => {
await tx.$queryRaw(
Prisma.sql`SELECT id FROM Position WHERE id = ${id} AND userId = ${r.userId} FOR UPDATE`,
);
const p = await tx.position.findFirst({
where: { id, userId: r.userId, ...(r.revealed ? {} : { hidden: false }) },
});
if (!p) throw new NotFoundException('项目不存在');
if (p.archived) throw new ConflictException('请先恢复归档项目');
if (v.amount.startsWith('-') && p.kind !== 'account')
throw new BadRequestException('仅账户支持负余额');
const original = await tx.revision.findFirst({ where: { id: revisionId, positionId: p.id } });
if (!original) throw new NotFoundException('历史记录不存在');
if (pairedReasons.includes(original.reason))
throw new ConflictException('请在资金往来中修改完整配对记录');
const replay = await captureReplay(tx, r.userId, [id]);
await tx.revision.update({
where: { id: revisionId },
data: {
amount: v.amount,
effectiveDate: toBusinessDate(v.date),
notes: v.notes,
reason: 'correction',
},
});
await replay();
return { ok: true };
});
}
async deleteRevision(r: UserRequest, id: string, revisionId: string) {
return this.db.serial(async (tx) => {
const p = await tx.position.findFirst({
where: { id, userId: r.userId, ...(r.revealed ? {} : { hidden: false }) },
});
if (!p) throw new NotFoundException('项目不存在');
if (p.archived) throw new ConflictException('请先恢复归档项目');
const row = await tx.revision.findFirst({ where: { id: revisionId, positionId: id } });
if (!row) throw new NotFoundException('历史记录不存在');
if (pairedReasons.includes(row.reason)) {
const movement = await tx.transfer.findFirst({
where: {
userId: r.userId,
OR: [{ sourceRevisionId: revisionId }, { targetRevisionId: revisionId }],
},
});
if (!movement) throw new ConflictException('配对记录不完整,无法删除');
return changeMovement(tx, r, movement.id);
}
const replay = await captureReplay(tx, r.userId, [id]);
await tx.revision.delete({ where: { id: revisionId } });
await replay();
return { ok: true };
});
}
async link(r: UserRequest, id: string, b: unknown) {
const { targetIds } = z
.object({ targetIds: z.array(z.string().uuid()).max(20) })
.strict()
.parse(b);
if (new Set(targetIds).size !== targetIds.length || targetIds.includes(id))
throw new BadRequestException('关联不能重复或指向自身');
return this.db.serial(async (tx) => {
const source = await tx.position.findFirst({
where: { id, userId: r.userId, kind: 'debt', ...(r.revealed ? {} : { hidden: false }) },
});
if (!source) throw new NotFoundException('债务不存在');
const count = await tx.position.count({
where: {
id: { in: targetIds },
userId: r.userId,
kind: { in: ['account', 'asset'] },
...(r.revealed ? {} : { hidden: false }),
},
});
if (count !== targetIds.length) throw new BadRequestException('只能关联自己的账户或资产');
await tx.positionLink.deleteMany({ where: { sourceId: id } });
await tx.positionLink.createMany({
data: targetIds.map((targetId) => ({ sourceId: id, targetId })),
});
return { ok: true };
});
}
async overview(r: UserRequest) {
if (!r.agent) {
void this.fx.daily(r.userId);
void this.metals.daily(r.userId);
}
return this.db.$transaction(async (tx) => {
const user = await tx.user.findUniqueOrThrow({
where: { id: r.userId },
select: { baseCurrency: true, includeIndependentAssets: true },
});
const positions = await currentPositions(tx, r.userId, r.revealed);
const rates = await currentRates(
tx,
r.userId,
positions.map((p) => p.currency),
user.baseCurrency,
today(),
);
return {
baseCurrency: user.baseCurrency,
...totals(
positions.map((p) => ({
...p,
included: p.included && (p.kind !== 'asset' || user.includeIndependentAssets),
})),
rates,
user.baseCurrency,
today(),
),
revealed: r.revealed,
};
});
}
}
@Controller('api')
export class PortfolioController {
constructor(private service: PortfolioBusinessService) {}
@Get('positions') async list(@Req() r: UserRequest, @Query('kind') inputKind?: string) {
return this.service.list(r, inputKind);
}
@Get('positions/:id') async detail(@Req() r: UserRequest, @Param('id') id: string) {
return this.service.detail(r, id);
}
@Get('history') async history(@Req() r: UserRequest, @Query() query: unknown) {
return this.service.history(r, query);
}
@Get('positions/:id/history') async positionHistory(
@Req() r: UserRequest,
@Param('id') id: string,
@Query() query: Record<string, string>,
) {
return this.service.positionHistory(r, id, query);
}
@Get('trend') async trend(@Req() r: UserRequest, @Query() query: unknown) {
return this.service.trend(r, query);
}
@Post('positions') async create(@Req() r: UserRequest, @Body() b: unknown) {
return this.service.create(r, b);
}
@Patch('positions/:id') async edit(
@Req() r: UserRequest,
@Param('id') id: string,
@Body() b: unknown,
) {
return this.service.edit(r, id, b);
}
@Get('positions/:id/deletion') async deletion(@Req() r: UserRequest, @Param('id') id: string) {
return this.service.deletion(r, id);
}
@Delete('positions/:id') async remove(
@Req() r: UserRequest,
@Param('id') id: string,
@Body() b: unknown,
) {
return this.service.remove(r, id, b);
}
@Post('positions/:id/revisions') async revise(
@Req() r: UserRequest,
@Param('id') id: string,
@Body() b: unknown,
) {
return this.service.revise(r, id, b);
}
@Put('positions/:id/revisions/:revisionId') async correct(
@Req() r: UserRequest,
@Param('id') id: string,
@Param('revisionId') revisionId: string,
@Body() b: unknown,
) {
return this.service.correct(r, id, revisionId, b);
}
@Delete('positions/:id/revisions/:revisionId') async deleteRevision(
@Req() r: UserRequest,
@Param('id') id: string,
@Param('revisionId') revisionId: string,
) {
return this.service.deleteRevision(r, id, revisionId);
}
@Put('positions/:id/links') async link(
@Req() r: UserRequest,
@Param('id') id: string,
@Body() b: unknown,
) {
return this.service.link(r, id, b);
}
@Get('overview') async overview(@Req() r: UserRequest) {
return this.service.overview(r);
}
}