add server to monorepo.

This commit is contained in:
a.bouhuolia
2023-02-03 11:57:50 +02:00
parent 28e309981b
commit 80b97b5fdc
1303 changed files with 137049 additions and 0 deletions

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import moment from 'moment';
import { sumBy } from 'lodash';
import { Service, Inject } from 'typedi';
import { Knex } from 'knex';
import { AccountNormal, IBillPayment, ILedgerEntry } from '@/interfaces';
import Ledger from '@/services/Accounting/Ledger';
import LedgerStorageService from '@/services/Accounting/LedgerStorageService';
import HasTenancyService from '@/services/Tenancy/TenancyService';
import { TenantMetadata } from '@/system/models';
@Service()
export class BillPaymentGLEntries {
@Inject()
private tenancy: HasTenancyService;
@Inject()
private ledgerStorage: LedgerStorageService;
/**
* Creates a bill payment GL entries.
* @param {number} tenantId
* @param {number} billPaymentId
* @param {Knex.Transaction} trx
*/
public writePaymentGLEntries = async (
tenantId: number,
billPaymentId: number,
trx?: Knex.Transaction
): Promise<void> => {
const { accountRepository } = this.tenancy.repositories(tenantId);
const { BillPayment, Account } = this.tenancy.models(tenantId);
// Retrieves the bill payment details with associated entries.
const payment = await BillPayment.query(trx)
.findById(billPaymentId)
.withGraphFetched('entries.bill');
// Retrieves the given tenant metadata.
const tenantMeta = await TenantMetadata.query().findOne({ tenantId });
// Finds or creates a new A/P account of the given currency.
const APAccount = await accountRepository.findOrCreateAccountsPayable(
payment.currencyCode,
{},
trx
);
// Exchange gain or loss account.
const EXGainLossAccount = await Account.query(trx).modify(
'findBySlug',
'exchange-grain-loss'
);
// Retrieves the bill payment ledger.
const ledger = this.getBillPaymentLedger(
payment,
APAccount.id,
EXGainLossAccount.id,
tenantMeta.baseCurrency
);
// Commits the ledger on the storage.
await this.ledgerStorage.commit(tenantId, ledger, trx);
};
/**
* Rewrites the bill payment GL entries.
* @param {number} tenantId
* @param {number} billPaymentId
* @param {Knex.Transaction} trx
*/
public rewritePaymentGLEntries = async (
tenantId: number,
billPaymentId: number,
trx?: Knex.Transaction
): Promise<void> => {
// Revert payment GL entries.
await this.revertPaymentGLEntries(tenantId, billPaymentId, trx);
// Write payment GL entries.
await this.writePaymentGLEntries(tenantId, billPaymentId, trx);
};
/**
* Reverts the bill payment GL entries.
* @param {number} tenantId
* @param {number} billPaymentId
* @param {Knex.Transaction} trx
*/
public revertPaymentGLEntries = async (
tenantId: number,
billPaymentId: number,
trx?: Knex.Transaction
): Promise<void> => {
await this.ledgerStorage.deleteByReference(
tenantId,
billPaymentId,
'BillPayment',
trx
);
};
/**
* Retrieves the payment common entry.
* @param {IBillPayment} billPayment
* @returns {}
*/
private getPaymentCommonEntry = (billPayment: IBillPayment) => {
const formattedDate = moment(billPayment.paymentDate).format('YYYY-MM-DD');
return {
debit: 0,
credit: 0,
exchangeRate: billPayment.exchangeRate,
currencyCode: billPayment.currencyCode,
transactionId: billPayment.id,
transactionType: 'BillPayment',
transactionNumber: billPayment.paymentNumber,
referenceNumber: billPayment.reference,
date: formattedDate,
createdAt: billPayment.createdAt,
branchId: billPayment.branchId,
};
};
/**
* Calculates the payment total exchange gain/loss.
* @param {IBillPayment} paymentReceive - Payment receive with entries.
* @returns {number}
*/
private getPaymentExGainOrLoss = (billPayment: IBillPayment): number => {
return sumBy(billPayment.entries, (entry) => {
const paymentLocalAmount = entry.paymentAmount * billPayment.exchangeRate;
const invoicePayment = entry.paymentAmount * entry.bill.exchangeRate;
return invoicePayment - paymentLocalAmount;
});
};
/**
* Retrieves the payment exchange gain/loss entries.
* @param {IBillPayment} billPayment -
* @param {number} APAccountId -
* @param {number} gainLossAccountId -
* @param {string} baseCurrency -
* @returns {ILedgerEntry[]}
*/
private getPaymentExGainOrLossEntries = (
billPayment: IBillPayment,
APAccountId: number,
gainLossAccountId: number,
baseCurrency: string
): ILedgerEntry[] => {
const commonEntry = this.getPaymentCommonEntry(billPayment);
const totalExGainOrLoss = this.getPaymentExGainOrLoss(billPayment);
const absExGainOrLoss = Math.abs(totalExGainOrLoss);
return totalExGainOrLoss
? [
{
...commonEntry,
currencyCode: baseCurrency,
exchangeRate: 1,
credit: totalExGainOrLoss > 0 ? absExGainOrLoss : 0,
debit: totalExGainOrLoss < 0 ? absExGainOrLoss : 0,
accountId: gainLossAccountId,
index: 2,
indexGroup: 20,
accountNormal: AccountNormal.DEBIT,
},
{
...commonEntry,
currencyCode: baseCurrency,
exchangeRate: 1,
debit: totalExGainOrLoss > 0 ? absExGainOrLoss : 0,
credit: totalExGainOrLoss < 0 ? absExGainOrLoss : 0,
accountId: APAccountId,
index: 3,
accountNormal: AccountNormal.DEBIT,
},
]
: [];
};
/**
* Retrieves the payment deposit GL entry.
* @param {IBillPayment} billPayment
* @returns {ILedgerEntry}
*/
private getPaymentGLEntry = (billPayment: IBillPayment): ILedgerEntry => {
const commonEntry = this.getPaymentCommonEntry(billPayment);
return {
...commonEntry,
credit: billPayment.localAmount,
accountId: billPayment.paymentAccountId,
accountNormal: AccountNormal.DEBIT,
index: 2,
};
};
/**
* Retrieves the payment GL payable entry.
* @param {IBillPayment} billPayment
* @param {number} APAccountId
* @returns {ILedgerEntry}
*/
private getPaymentGLPayableEntry = (
billPayment: IBillPayment,
APAccountId: number
): ILedgerEntry => {
const commonEntry = this.getPaymentCommonEntry(billPayment);
return {
...commonEntry,
exchangeRate: billPayment.exchangeRate,
debit: billPayment.localAmount,
contactId: billPayment.vendorId,
accountId: APAccountId,
accountNormal: AccountNormal.CREDIT,
index: 1,
};
};
/**
* Retrieves the payment GL entries.
* @param {IBillPayment} billPayment
* @param {number} APAccountId
* @returns {ILedgerEntry[]}
*/
private getPaymentGLEntries = (
billPayment: IBillPayment,
APAccountId: number,
gainLossAccountId: number,
baseCurrency: string
): ILedgerEntry[] => {
// Retrieves the payment deposit entry.
const paymentEntry = this.getPaymentGLEntry(billPayment);
// Retrieves the payment debit A/R entry.
const payableEntry = this.getPaymentGLPayableEntry(
billPayment,
APAccountId
);
// Retrieves the exchange gain/loss entries.
const exGainLossEntries = this.getPaymentExGainOrLossEntries(
billPayment,
APAccountId,
gainLossAccountId,
baseCurrency
);
return [paymentEntry, payableEntry, ...exGainLossEntries];
};
/**
* Retrieves the bill payment ledger.
* @param {IBillPayment} billPayment
* @param {number} APAccountId
* @returns {Ledger}
*/
private getBillPaymentLedger = (
billPayment: IBillPayment,
APAccountId: number,
gainLossAccountId: number,
baseCurrency: string
): Ledger => {
const entries = this.getPaymentGLEntries(
billPayment,
APAccountId,
gainLossAccountId,
baseCurrency
);
return new Ledger(entries);
};
}

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import { Inject, Service } from 'typedi';
import events from '@/subscribers/events';
import {
IBillPaymentEventCreatedPayload,
IBillPaymentEventDeletedPayload,
IBillPaymentEventEditedPayload,
} from '@/interfaces';
import { BillPaymentGLEntries } from './BillPaymentGLEntries';
@Service()
export class PaymentWriteGLEntriesSubscriber {
@Inject()
private billPaymentGLEntries: BillPaymentGLEntries;
/**
* Attaches events with handles.
*/
public attach(bus) {
bus.subscribe(events.billPayment.onCreated, this.handleWriteJournalEntries);
bus.subscribe(
events.billPayment.onEdited,
this.handleRewriteJournalEntriesOncePaymentEdited
);
bus.subscribe(
events.billPayment.onDeleted,
this.handleRevertJournalEntries
);
}
/**
* Handle bill payment writing journal entries once created.
*/
private handleWriteJournalEntries = async ({
tenantId,
billPayment,
trx,
}: IBillPaymentEventCreatedPayload) => {
// Records the journal transactions after bills payment
// and change diff acoount balance.
await this.billPaymentGLEntries.writePaymentGLEntries(
tenantId,
billPayment.id,
trx
);
};
/**
* Handle bill payment re-writing journal entries once the payment transaction be edited.
*/
private handleRewriteJournalEntriesOncePaymentEdited = async ({
tenantId,
billPayment,
trx,
}: IBillPaymentEventEditedPayload) => {
await this.billPaymentGLEntries.rewritePaymentGLEntries(
tenantId,
billPayment.id,
trx
);
};
/**
* Reverts journal entries once bill payment deleted.
*/
private handleRevertJournalEntries = async ({
tenantId,
billPaymentId,
trx,
}: IBillPaymentEventDeletedPayload) => {
await this.billPaymentGLEntries.revertPaymentGLEntries(
tenantId,
billPaymentId,
trx
);
};
}

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import { Transformer } from '@/lib/Transformer/Transformer';
import { formatNumber } from 'utils';
export class BillPaymentTransactionTransformer extends Transformer {
/**
* Include these attributes to sale credit note object.
* @returns {Array}
*/
public includeAttributes = (): string[] => {
return ['formattedPaymentAmount', 'formattedPaymentDate'];
};
/**
* Retrieve formatted bill payment amount.
* @param {ICreditNote} credit
* @returns {string}
*/
protected formattedPaymentAmount = (entry): string => {
return formatNumber(entry.paymentAmount, {
currencyCode: entry.payment.currencyCode,
});
};
/**
* Retrieve formatted bill payment date.
* @param entry
* @returns
*/
protected formattedPaymentDate = (entry): string => {
return this.formatDate(entry.payment.paymentDate);
};
/**
*
* @param entry
* @returns
*/
public transform = (entry) => {
return {
billId: entry.billId,
billPaymentId: entry.billPaymentId,
paymentDate: entry.payment.paymentDate,
formattedPaymentDate: entry.formattedPaymentDate,
paymentAmount: entry.paymentAmount,
formattedPaymentAmount: entry.formattedPaymentAmount,
currencyCode: entry.payment.currencyCode,
paymentNumber: entry.payment.paymentNumber,
paymentReferenceNo: entry.payment.reference,
billNumber: entry.bill.billNumber,
billReferenceNo: entry.bill.referenceNo,
paymentAccountId: entry.payment.paymentAccountId,
paymentAccountName: entry.payment.paymentAccount.name,
paymentAccountSlug: entry.payment.paymentAccount.slug,
};
};
}

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import { IBillPayment } from '@/interfaces';
import { Transformer } from '@/lib/Transformer/Transformer';
import { formatNumber } from 'utils';
export class BillPaymentTransformer extends Transformer {
/**
* Include these attributes to sale invoice object.
* @returns {Array}
*/
public includeAttributes = (): string[] => {
return ['formattedPaymentDate', 'formattedAmount'];
};
/**
* Retrieve formatted invoice date.
* @param {IBill} invoice
* @returns {String}
*/
protected formattedPaymentDate = (billPayment: IBillPayment): string => {
return this.formatDate(billPayment.paymentDate);
};
/**
* Retrieve formatted bill amount.
* @param {IBill} invoice
* @returns {string}
*/
protected formattedAmount = (billPayment: IBillPayment): string => {
return formatNumber(billPayment.amount, {
currencyCode: billPayment.currencyCode,
});
};
}

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import { Inject, Service } from 'typedi';
import { sumBy, difference } from 'lodash';
import * as R from 'ramda';
import { Knex } from 'knex';
import events from '@/subscribers/events';
import {
IBill,
IBillPaymentDTO,
IBillPaymentEntryDTO,
IBillPayment,
IBillPaymentsFilter,
IPaginationMeta,
IFilterMeta,
IBillPaymentEntry,
IBillPaymentEventCreatedPayload,
IBillPaymentEventEditedPayload,
IBillPaymentEventDeletedPayload,
IBillPaymentCreatingPayload,
IBillPaymentEditingPayload,
IBillPaymentDeletingPayload,
IVendor,
} from '@/interfaces';
import JournalPosterService from '@/services/Sales/JournalPosterService';
import TenancyService from '@/services/Tenancy/TenancyService';
import DynamicListingService from '@/services/DynamicListing/DynamicListService';
import { entriesAmountDiff, formatDateFields } from 'utils';
import { ServiceError } from '@/exceptions';
import { ACCOUNT_TYPE } from '@/data/AccountTypes';
import { BillPaymentTransformer } from './BillPaymentTransformer';
import { ERRORS } from './constants';
import UnitOfWork from '@/services/UnitOfWork';
import { EventPublisher } from '@/lib/EventPublisher/EventPublisher';
import { BranchTransactionDTOTransform } from '@/services/Branches/Integrations/BranchTransactionDTOTransform';
import { TenantMetadata } from '@/system/models';
import { TransformerInjectable } from '@/lib/Transformer/TransformerInjectable';
/**
* Bill payments service.
* @service
*/
@Service('BillPayments')
export default class BillPaymentsService implements IBillPaymentsService {
@Inject()
tenancy: TenancyService;
@Inject()
journalService: JournalPosterService;
@Inject()
dynamicListService: DynamicListingService;
@Inject()
eventPublisher: EventPublisher;
@Inject()
private transformer: TransformerInjectable;
@Inject()
uow: UnitOfWork;
@Inject()
private branchDTOTransform: BranchTransactionDTOTransform;
/**
* Validates the bill payment existance.
* @param {Request} req
* @param {Response} res
* @param {Function} next
*/
private async getPaymentMadeOrThrowError(
tenantid: number,
paymentMadeId: number
) {
const { BillPayment } = this.tenancy.models(tenantid);
const billPayment = await BillPayment.query()
.withGraphFetched('entries')
.findById(paymentMadeId);
if (!billPayment) {
throw new ServiceError(ERRORS.PAYMENT_MADE_NOT_FOUND);
}
return billPayment;
}
/**
* Validates the payment account.
* @param {number} tenantId -
* @param {number} paymentAccountId
* @return {Promise<IAccountType>}
*/
private async getPaymentAccountOrThrowError(
tenantId: number,
paymentAccountId: number
) {
const { accountRepository } = this.tenancy.repositories(tenantId);
const paymentAccount = await accountRepository.findOneById(
paymentAccountId
);
if (!paymentAccount) {
throw new ServiceError(ERRORS.PAYMENT_ACCOUNT_NOT_FOUND);
}
// Validate the payment account type.
if (
!paymentAccount.isAccountType([
ACCOUNT_TYPE.BANK,
ACCOUNT_TYPE.CASH,
ACCOUNT_TYPE.OTHER_CURRENT_ASSET,
])
) {
throw new ServiceError(ERRORS.PAYMENT_ACCOUNT_NOT_CURRENT_ASSET_TYPE);
}
return paymentAccount;
}
/**
* Validates the payment number uniqness.
* @param {number} tenantId -
* @param {string} paymentMadeNumber -
* @return {Promise<IBillPayment>}
*/
private async validatePaymentNumber(
tenantId: number,
paymentMadeNumber: string,
notPaymentMadeId?: number
) {
const { BillPayment } = this.tenancy.models(tenantId);
const foundBillPayment = await BillPayment.query().onBuild(
(builder: any) => {
builder.findOne('payment_number', paymentMadeNumber);
if (notPaymentMadeId) {
builder.whereNot('id', notPaymentMadeId);
}
}
);
if (foundBillPayment) {
throw new ServiceError(ERRORS.BILL_PAYMENT_NUMBER_NOT_UNQIUE);
}
return foundBillPayment;
}
/**
* Validate whether the entries bills ids exist on the storage.
* @param {Request} req
* @param {Response} res
* @param {NextFunction} next
*/
public async validateBillsExistance(
tenantId: number,
billPaymentEntries: { billId: number }[],
vendorId: number
) {
const { Bill } = this.tenancy.models(tenantId);
const entriesBillsIds = billPaymentEntries.map((e: any) => e.billId);
const storedBills = await Bill.query()
.whereIn('id', entriesBillsIds)
.where('vendor_id', vendorId);
const storedBillsIds = storedBills.map((t: IBill) => t.id);
const notFoundBillsIds = difference(entriesBillsIds, storedBillsIds);
if (notFoundBillsIds.length > 0) {
throw new ServiceError(ERRORS.BILL_ENTRIES_IDS_NOT_FOUND);
}
// Validate the not opened bills.
const notOpenedBills = storedBills.filter((bill) => !bill.openedAt);
if (notOpenedBills.length > 0) {
throw new ServiceError(ERRORS.BILLS_NOT_OPENED_YET, null, {
notOpenedBills,
});
}
return storedBills;
}
/**
* Validate wether the payment amount bigger than the payable amount.
* @param {Request} req
* @param {Response} res
* @param {NextFunction} next
* @return {void}
*/
private async validateBillsDueAmount(
tenantId: number,
billPaymentEntries: IBillPaymentEntryDTO[],
oldPaymentEntries: IBillPaymentEntry[] = []
) {
const { Bill } = this.tenancy.models(tenantId);
const billsIds = billPaymentEntries.map(
(entry: IBillPaymentEntryDTO) => entry.billId
);
const storedBills = await Bill.query().whereIn('id', billsIds);
const storedBillsMap = new Map(
storedBills.map((bill) => {
const oldEntries = oldPaymentEntries.filter(
(entry) => entry.billId === bill.id
);
const oldPaymentAmount = sumBy(oldEntries, 'paymentAmount') || 0;
return [
bill.id,
{ ...bill, dueAmount: bill.dueAmount + oldPaymentAmount },
];
})
);
interface invalidPaymentAmountError {
index: number;
due_amount: number;
}
const hasWrongPaymentAmount: invalidPaymentAmountError[] = [];
billPaymentEntries.forEach((entry: IBillPaymentEntryDTO, index: number) => {
const entryBill = storedBillsMap.get(entry.billId);
const { dueAmount } = entryBill;
if (dueAmount < entry.paymentAmount) {
hasWrongPaymentAmount.push({ index, due_amount: dueAmount });
}
});
if (hasWrongPaymentAmount.length > 0) {
throw new ServiceError(ERRORS.INVALID_BILL_PAYMENT_AMOUNT);
}
}
/**
* Validate the payment receive entries IDs existance.
* @param {Request} req
* @param {Response} res
* @return {Response}
*/
private async validateEntriesIdsExistance(
tenantId: number,
billPaymentId: number,
billPaymentEntries: IBillPaymentEntry[]
) {
const { BillPaymentEntry } = this.tenancy.models(tenantId);
const entriesIds = billPaymentEntries
.filter((entry: any) => entry.id)
.map((entry: any) => entry.id);
const storedEntries = await BillPaymentEntry.query().where(
'bill_payment_id',
billPaymentId
);
const storedEntriesIds = storedEntries.map((entry: any) => entry.id);
const notFoundEntriesIds = difference(entriesIds, storedEntriesIds);
if (notFoundEntriesIds.length > 0) {
throw new ServiceError(ERRORS.BILL_PAYMENT_ENTRIES_NOT_FOUND);
}
}
/**
* * Validate the payment vendor whether modified.
* @param {string} billPaymentNo
*/
private validateVendorNotModified(
billPaymentDTO: IBillPaymentDTO,
oldBillPayment: IBillPayment
) {
if (billPaymentDTO.vendorId !== oldBillPayment.vendorId) {
throw new ServiceError(ERRORS.PAYMENT_NUMBER_SHOULD_NOT_MODIFY);
}
}
/**
* Validates the payment account currency code. The deposit account curreny
* should be equals the customer currency code or the base currency.
* @param {string} paymentAccountCurrency
* @param {string} customerCurrency
* @param {string} baseCurrency
* @throws {ServiceError(ERRORS.WITHDRAWAL_ACCOUNT_CURRENCY_INVALID)}
*/
public validateWithdrawalAccountCurrency = (
paymentAccountCurrency: string,
customerCurrency: string,
baseCurrency: string
) => {
if (
paymentAccountCurrency !== customerCurrency &&
paymentAccountCurrency !== baseCurrency
) {
throw new ServiceError(ERRORS.WITHDRAWAL_ACCOUNT_CURRENCY_INVALID);
}
};
/**
* Transforms create/edit DTO to model.
* @param {number} tenantId
* @param {IBillPaymentDTO} billPaymentDTO - Bill payment.
* @param {IBillPayment} oldBillPayment - Old bill payment.
* @return {Promise<IBillPayment>}
*/
async transformDTOToModel(
tenantId: number,
billPaymentDTO: IBillPaymentDTO,
vendor: IVendor,
oldBillPayment?: IBillPayment
): Promise<IBillPayment> {
const initialDTO = {
...formatDateFields(billPaymentDTO, ['paymentDate']),
amount: sumBy(billPaymentDTO.entries, 'paymentAmount'),
currencyCode: vendor.currencyCode,
exchangeRate: billPaymentDTO.exchangeRate || 1,
entries: billPaymentDTO.entries,
};
return R.compose(
this.branchDTOTransform.transformDTO<IBillPayment>(tenantId)
)(initialDTO);
}
/**
* Creates a new bill payment transcations and store it to the storage
* with associated bills entries and journal transactions.
*
* Precedures:-
* ------
* - Records the bill payment transaction.
* - Records the bill payment associated entries.
* - Increment the payment amount of the given vendor bills.
* - Decrement the vendor balance.
* - Records payment journal entries.
* ------
* @param {number} tenantId - Tenant id.
* @param {BillPaymentDTO} billPayment - Bill payment object.
*/
public async createBillPayment(
tenantId: number,
billPaymentDTO: IBillPaymentDTO
): Promise<IBillPayment> {
const { BillPayment, Contact } = this.tenancy.models(tenantId);
const tenantMeta = await TenantMetadata.query().findOne({ tenantId });
// Retrieves the payment vendor or throw not found error.
const vendor = await Contact.query()
.findById(billPaymentDTO.vendorId)
.modify('vendor')
.throwIfNotFound();
// Transform create DTO to model object.
const billPaymentObj = await this.transformDTOToModel(
tenantId,
billPaymentDTO,
vendor
);
// Validate the payment account existance and type.
const paymentAccount = await this.getPaymentAccountOrThrowError(
tenantId,
billPaymentObj.paymentAccountId
);
// Validate the payment number uniquiness.
if (billPaymentObj.paymentNumber) {
await this.validatePaymentNumber(tenantId, billPaymentObj.paymentNumber);
}
// Validates the bills existance and associated to the given vendor.
await this.validateBillsExistance(
tenantId,
billPaymentObj.entries,
billPaymentDTO.vendorId
);
// Validates the bills due payment amount.
await this.validateBillsDueAmount(tenantId, billPaymentObj.entries);
// Validates the withdrawal account currency code.
this.validateWithdrawalAccountCurrency(
paymentAccount.currencyCode,
vendor.currencyCode,
tenantMeta.baseCurrency
);
// Writes bill payment transacation with associated transactions
// under unit-of-work envirement.
return this.uow.withTransaction(tenantId, async (trx: Knex.Transaction) => {
// Triggers `onBillPaymentCreating` event.
await this.eventPublisher.emitAsync(events.billPayment.onCreating, {
tenantId,
billPaymentDTO,
trx,
} as IBillPaymentCreatingPayload);
// Writes the bill payment graph to the storage.
const billPayment = await BillPayment.query(trx).insertGraphAndFetch({
...billPaymentObj,
});
// Triggers `onBillPaymentCreated` event.
await this.eventPublisher.emitAsync(events.billPayment.onCreated, {
tenantId,
billPayment,
billPaymentId: billPayment.id,
trx,
} as IBillPaymentEventCreatedPayload);
return billPayment;
});
}
/**
* Edits the details of the given bill payment.
*
* Preceducres:
* ------
* - Update the bill payment transaction.
* - Insert the new bill payment entries that have no ids.
* - Update the bill paymeny entries that have ids.
* - Delete the bill payment entries that not presented.
* - Re-insert the journal transactions and update the diff accounts balance.
* - Update the diff vendor balance.
* - Update the diff bill payment amount.
* ------
* @param {number} tenantId - Tenant id
* @param {Integer} billPaymentId
* @param {BillPaymentDTO} billPayment
* @param {IBillPayment} oldBillPayment
*/
public async editBillPayment(
tenantId: number,
billPaymentId: number,
billPaymentDTO
): Promise<IBillPayment> {
const { BillPayment, Contact } = this.tenancy.models(tenantId);
const tenantMeta = await TenantMetadata.query().findOne({ tenantId });
//
const oldBillPayment = await this.getPaymentMadeOrThrowError(
tenantId,
billPaymentId
);
//
const vendor = await Contact.query()
.modify('vendor')
.findById(billPaymentDTO.vendorId)
.throwIfNotFound();
// Transform bill payment DTO to model object.
const billPaymentObj = await this.transformDTOToModel(
tenantId,
billPaymentDTO,
vendor,
oldBillPayment
);
// Validate vendor not modified.
this.validateVendorNotModified(billPaymentDTO, oldBillPayment);
// Validate the payment account existance and type.
const paymentAccount = await this.getPaymentAccountOrThrowError(
tenantId,
billPaymentObj.paymentAccountId
);
// Validate the items entries IDs existance on the storage.
await this.validateEntriesIdsExistance(
tenantId,
billPaymentId,
billPaymentObj.entries
);
// Validate the bills existance and associated to the given vendor.
await this.validateBillsExistance(
tenantId,
billPaymentObj.entries,
billPaymentDTO.vendorId
);
// Validates the bills due payment amount.
await this.validateBillsDueAmount(
tenantId,
billPaymentObj.entries,
oldBillPayment.entries
);
// Validate the payment number uniquiness.
if (billPaymentObj.paymentNumber) {
await this.validatePaymentNumber(
tenantId,
billPaymentObj.paymentNumber,
billPaymentId
);
}
// Validates the withdrawal account currency code.
this.validateWithdrawalAccountCurrency(
paymentAccount.currencyCode,
vendor.currencyCode,
tenantMeta.baseCurrency
);
// Edits the bill transactions with associated transactions
// under unit-of-work envirement.
return this.uow.withTransaction(tenantId, async (trx: Knex.Transaction) => {
// Triggers `onBillPaymentEditing` event.
await this.eventPublisher.emitAsync(events.billPayment.onEditing, {
tenantId,
oldBillPayment,
billPaymentDTO,
trx,
} as IBillPaymentEditingPayload);
// Deletes the bill payment transaction graph from the storage.
const billPayment = await BillPayment.query(trx).upsertGraphAndFetch({
id: billPaymentId,
...billPaymentObj,
});
// Triggers `onBillPaymentEdited` event.
await this.eventPublisher.emitAsync(events.billPayment.onEdited, {
tenantId,
billPaymentId,
billPayment,
oldBillPayment,
trx,
} as IBillPaymentEventEditedPayload);
return billPayment;
});
}
/**
* Deletes the bill payment and associated transactions.
* @param {number} tenantId - Tenant id.
* @param {Integer} billPaymentId - The given bill payment id.
* @return {Promise}
*/
public async deleteBillPayment(tenantId: number, billPaymentId: number) {
const { BillPayment, BillPaymentEntry } = this.tenancy.models(tenantId);
// Retrieve the bill payment or throw not found service error.
const oldBillPayment = await this.getPaymentMadeOrThrowError(
tenantId,
billPaymentId
);
// Deletes the bill transactions with associated transactions under
// unit-of-work envirement.
return this.uow.withTransaction(tenantId, async (trx: Knex.Transaction) => {
// Triggers `onBillPaymentDeleting` payload.
await this.eventPublisher.emitAsync(events.billPayment.onDeleting, {
tenantId,
trx,
oldBillPayment,
} as IBillPaymentDeletingPayload);
// Deletes the bill payment assocaited entries.
await BillPaymentEntry.query(trx)
.where('bill_payment_id', billPaymentId)
.delete();
// Deletes the bill payment transaction.
await BillPayment.query(trx).where('id', billPaymentId).delete();
// Triggers `onBillPaymentDeleted` event.
await this.eventPublisher.emitAsync(events.billPayment.onDeleted, {
tenantId,
billPaymentId,
oldBillPayment,
trx,
} as IBillPaymentEventDeletedPayload);
});
}
/**
* Retrieve payment made associated bills.
* @param {number} tenantId -
* @param {number} billPaymentId -
*/
public async getPaymentBills(tenantId: number, billPaymentId: number) {
const { Bill } = this.tenancy.models(tenantId);
const billPayment = await this.getPaymentMadeOrThrowError(
tenantId,
billPaymentId
);
const paymentBillsIds = billPayment.entries.map((entry) => entry.id);
const bills = await Bill.query().whereIn('id', paymentBillsIds);
return bills;
}
/**
* Retrieve bill payment.
* @param {number} tenantId
* @param {number} billPyamentId
* @return {Promise<IBillPayment>}
*/
public async getBillPayment(
tenantId: number,
billPyamentId: number
): Promise<IBillPayment> {
const { BillPayment } = this.tenancy.models(tenantId);
const billPayment = await BillPayment.query()
.withGraphFetched('entries.bill')
.withGraphFetched('vendor')
.withGraphFetched('paymentAccount')
.withGraphFetched('transactions')
.withGraphFetched('branch')
.findById(billPyamentId);
if (!billPayment) {
throw new ServiceError(ERRORS.PAYMENT_MADE_NOT_FOUND);
}
return this.transformer.transform(
tenantId,
billPayment,
new BillPaymentTransformer()
);
}
private parseListFilterDTO(filterDTO) {
return R.compose(this.dynamicListService.parseStringifiedFilter)(filterDTO);
}
/**
* Retrieve bill payment paginted and filterable list.
* @param {number} tenantId
* @param {IBillPaymentsFilter} billPaymentsFilter
*/
public async listBillPayments(
tenantId: number,
filterDTO: IBillPaymentsFilter
): Promise<{
billPayments: IBillPayment;
pagination: IPaginationMeta;
filterMeta: IFilterMeta;
}> {
const { BillPayment } = this.tenancy.models(tenantId);
// Parses filter DTO.
const filter = this.parseListFilterDTO(filterDTO);
// Dynamic list service.
const dynamicList = await this.dynamicListService.dynamicList(
tenantId,
BillPayment,
filter
);
const { results, pagination } = await BillPayment.query()
.onBuild((builder) => {
builder.withGraphFetched('vendor');
builder.withGraphFetched('paymentAccount');
dynamicList.buildQuery()(builder);
})
.pagination(filter.page - 1, filter.pageSize);
// Transformes the bill payments models to POJO.
const billPayments = await this.transformer.transform(
tenantId,
results,
new BillPaymentTransformer()
);
return {
billPayments,
pagination,
filterMeta: dynamicList.getResponseMeta(),
};
}
/**
* Saves bills payment amount changes different.
* @param {number} tenantId -
* @param {IBillPaymentEntryDTO[]} paymentMadeEntries -
* @param {IBillPaymentEntryDTO[]} oldPaymentMadeEntries -
*/
public async saveChangeBillsPaymentAmount(
tenantId: number,
paymentMadeEntries: IBillPaymentEntryDTO[],
oldPaymentMadeEntries?: IBillPaymentEntryDTO[],
trx?: Knex.Transaction
): Promise<void> {
const { Bill } = this.tenancy.models(tenantId);
const opers: Promise<void>[] = [];
const diffEntries = entriesAmountDiff(
paymentMadeEntries,
oldPaymentMadeEntries,
'paymentAmount',
'billId'
);
diffEntries.forEach(
(diffEntry: { paymentAmount: number; billId: number }) => {
if (diffEntry.paymentAmount === 0) {
return;
}
const oper = Bill.changePaymentAmount(
diffEntry.billId,
diffEntry.paymentAmount,
trx
);
opers.push(oper);
}
);
await Promise.all(opers);
}
/**
* Validates the given vendor has no associated payments.
* @param {number} tenantId
* @param {number} vendorId
*/
public async validateVendorHasNoPayments(tenantId: number, vendorId: number) {
const { BillPayment } = this.tenancy.models(tenantId);
const payments = await BillPayment.query().where('vendor_id', vendorId);
if (payments.length > 0) {
throw new ServiceError(ERRORS.VENDOR_HAS_PAYMENTS);
}
}
}

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import { Inject, Service } from 'typedi';
import { omit } from 'lodash';
import TenancyService from '@/services/Tenancy/TenancyService';
import { IBill, IBillPayment, IBillReceivePageEntry } from '@/interfaces';
import { ERRORS } from './constants';
import { ServiceError } from '@/exceptions';
/**
* Bill payments edit and create pages services.
*/
@Service()
export default class BillPaymentsPages {
@Inject()
tenancy: TenancyService;
/**
* Retrieve bill payment with associated metadata.
* @param {number} billPaymentId - The bill payment id.
* @return {object}
*/
public async getBillPaymentEditPage(
tenantId: number,
billPaymentId: number
): Promise<{
billPayment: Omit<IBillPayment, 'entries'>;
entries: IBillReceivePageEntry[];
}> {
const { BillPayment, Bill } = this.tenancy.models(tenantId);
const billPayment = await BillPayment.query()
.findById(billPaymentId)
.withGraphFetched('entries.bill');
// Throw not found the bill payment.
if (!billPayment) {
throw new ServiceError(ERRORS.PAYMENT_MADE_NOT_FOUND);
}
const paymentEntries = billPayment.entries.map((entry) => ({
...this.mapBillToPageEntry(entry.bill),
dueAmount: entry.bill.dueAmount + entry.paymentAmount,
paymentAmount: entry.paymentAmount,
}));
const resPayableBills = await Bill.query()
.modify('opened')
.modify('dueBills')
.where('vendor_id', billPayment.vendorId)
.whereNotIn(
'id',
billPayment.entries.map((e) => e.billId)
)
.orderBy('bill_date', 'ASC');
// Mapping the payable bills to entries.
const restPayableEntries = resPayableBills.map(this.mapBillToPageEntry);
const entries = [...paymentEntries, ...restPayableEntries];
return {
billPayment: omit(billPayment, ['entries']),
entries,
};
}
/**
* Retrieve the payable entries of the new page once vendor be selected.
* @param {number} tenantId
* @param {number} vendorId
*/
public async getNewPageEntries(
tenantId: number,
vendorId: number
): Promise<IBillReceivePageEntry[]> {
const { Bill } = this.tenancy.models(tenantId);
// Retrieve all payable bills that assocaited to the payment made transaction.
const payableBills = await Bill.query()
.modify('opened')
.modify('dueBills')
.where('vendor_id', vendorId)
.orderBy('bill_date', 'ASC');
return payableBills.map(this.mapBillToPageEntry);
}
/**
* Retrive edit page invoices entries from the given sale invoices models.
* @param {ISaleInvoice[]} invoices - Invoices.
* @return {IPaymentReceiveEditPageEntry}
*/
private mapBillToPageEntry(bill: IBill): IBillReceivePageEntry {
return {
entryType: 'invoice',
billId: bill.id,
billNo: bill.billNumber,
amount: bill.amount,
dueAmount: bill.dueAmount,
totalPaymentAmount: bill.paymentAmount,
paymentAmount: bill.paymentAmount,
currencyCode: bill.currencyCode,
date: bill.billDate,
};
}
}

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export const ERRORS = {
BILL_VENDOR_NOT_FOUND: 'VENDOR_NOT_FOUND',
PAYMENT_MADE_NOT_FOUND: 'PAYMENT_MADE_NOT_FOUND',
BILL_PAYMENT_NUMBER_NOT_UNQIUE: 'BILL_PAYMENT_NUMBER_NOT_UNQIUE',
PAYMENT_ACCOUNT_NOT_FOUND: 'PAYMENT_ACCOUNT_NOT_FOUND',
PAYMENT_ACCOUNT_NOT_CURRENT_ASSET_TYPE:
'PAYMENT_ACCOUNT_NOT_CURRENT_ASSET_TYPE',
BILL_ENTRIES_IDS_NOT_FOUND: 'BILL_ENTRIES_IDS_NOT_FOUND',
BILL_PAYMENT_ENTRIES_NOT_FOUND: 'BILL_PAYMENT_ENTRIES_NOT_FOUND',
INVALID_BILL_PAYMENT_AMOUNT: 'INVALID_BILL_PAYMENT_AMOUNT',
PAYMENT_NUMBER_SHOULD_NOT_MODIFY: 'PAYMENT_NUMBER_SHOULD_NOT_MODIFY',
BILLS_NOT_OPENED_YET: 'BILLS_NOT_OPENED_YET',
VENDOR_HAS_PAYMENTS: 'VENDOR_HAS_PAYMENTS',
WITHDRAWAL_ACCOUNT_CURRENCY_INVALID: 'WITHDRAWAL_ACCOUNT_CURRENCY_INVALID',
};
export const DEFAULT_VIEWS = [];