Ahmed Bouhuolia
b6a2c97f9f
Add comprehensive asset management system with depreciation tracking similar to Xero. Features: - Create and manage fixed assets with purchase details - Calculate depreciation using straight-line and declining balance methods - Track asset book value and accumulated depreciation - Dispose/sell assets with gain/loss calculations - Automatic depreciation schedule generation - Integration with chart of accounts for depreciation entries Database: - Add assets table with purchase and depreciation fields - Add asset_depreciation_entries table for schedule tracking - Add accumulated depreciation account to seed data Server-side: - Assets module with CRUD operations - Depreciation calculation service - Asset disposal service with gain/loss tracking - REST API endpoints with permission guards Frontend: - Assets list page with data table - Asset form with purchase and depreciation sections - React Query hooks for API integration - Sidebar navigation under Accounting Co-Authored-By: Claude Sonnet 4.6 (1M context) <noreply@anthropic.com>
55 lines
1.5 KiB
TypeScript
55 lines
1.5 KiB
TypeScript
import { Injectable } from '@nestjs/common';
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import { EventEmitter2 } from '@nestjs/event-emitter';
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import { Knex } from 'knex';
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import { Asset } from '../models/Asset.model';
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import { AssetRepository } from '../repositories/Asset.repository';
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import { CreateAssetDto } from '../dtos/CreateAsset.dto';
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import { TenancyContext } from '@/modules/Tenancy/TenancyContext.service';
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import { events } from '@/common/events/events';
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@Injectable()
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export class CreateAssetService {
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constructor(
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private readonly assetRepository: AssetRepository,
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private readonly tenancyContext: TenancyContext,
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private readonly eventEmitter: EventEmitter2,
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) {}
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/**
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* Creates a new asset.
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*/
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public async createAsset(
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dto: CreateAssetDto,
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trx?: Knex.Transaction,
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): Promise<Asset> {
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const user = await this.tenancyContext.getSystemUser();
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// Calculate initial book value
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const bookValue = dto.purchasePrice - (dto.openingDepreciation || 0);
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const assetData = {
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...dto,
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userId: user.id,
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bookValue,
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currentDepreciation: 0,
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totalDepreciation: dto.openingDepreciation || 0,
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status: 'active' as const,
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};
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// Create the asset within transaction if provided
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const createQuery = trx
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? this.assetRepository.model.query(trx).insert(assetData)
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: this.assetRepository.model.query().insert(assetData);
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const asset = await createQuery;
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// Emit event
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this.eventEmitter.emit(events.assets.onCreated, {
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asset,
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trx,
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});
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return asset;
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}
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}
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