All files / src/core/repositories transactionRepository.ts

88% Statements 66/75
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86.95% Functions 20/23
87.32% Lines 62/71

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import Transaction from '../types/transaction';
import { default as TransactionModel } from '../models/transaction.model';
import { default as CardOperationModel } from '../models/cardOperation.model';
import { default as StandardTransferModel } from '../models/standardTransfer.model';
import PaymentDetails from "../types/paymentDetails";
import '../extensions/globalExtensions';
import { injectable } from 'inversify';
import RepositoryError from '../../core/errors/repositoryError';
import { TransactionExtensions } from '../../core/extensions/transactionExtensions';
import TransactionType from '../enums/transactionType';
import EntryType from '../enums/entryType';
import { Op, Transaction as SequelizeTransaction  } from 'sequelize';
import { Sequelize } from 'sequelize-typescript';
 
@injectable()
export default class TransactionRepository {
    public getAllIdsAsync = async () =>
        TransactionModel
            .findAll({ attributes: ['id'] })
            .then(r =>
                r.map(e => e.id));
 
    public async filterAsync(
        fromDate: Date | null,
        toDate: Date | null,
        since: Date,
        count: number,
        types: TransactionType[],
        entryTypes: EntryType[],
        fromSum: number | null,
        toSum: number | null,
        recipient: string | null,
        description: string | null
    ) {
        const entities = await this.queryAsync(fromDate, toDate, since, count, types, entryTypes, fromSum, toSum);
 
        const recipientEntities = recipient !== null
            ? await this.searchByRecipientAsync(recipient)
            : null;
        const descriptionEntities = description !== null
            ? await this.searchByDescriptionAsync(description)
            : null;
        const filteredRecipientAndDescriptionEntities = recipientEntities === null || descriptionEntities == null
            ? null
            : entities.length === 0
                ? recipientEntities.concat(descriptionEntities)
                : entities
                    .filter(e => recipientEntities
                        .map(r => r.id)
                        .concat(descriptionEntities
                            .map(r => r.id))
                        .includes(e.id));
        const filteredRecipientEntities = recipientEntities === null
            ? null
            : entities.length === 0
                ? recipientEntities
                : entities
                    .filter(e => recipientEntities
                        .map(r => r.id)
                        .includes(e.id));
        const filteredDescriptionEntities = descriptionEntities === null
            ? null
            : entities.length === 0
                ? descriptionEntities
                : entities
                    .filter(e => descriptionEntities
                        .map(r => r.id)
                        .includes(e.id));
        const filteredEntities = filteredRecipientAndDescriptionEntities !== null
            ? filteredRecipientAndDescriptionEntities
            : filteredRecipientEntities !== null
                ? filteredRecipientEntities
                : filteredDescriptionEntities !== null
                        ? filteredDescriptionEntities
                        : entities;
 
        return filteredEntities
            .map(TransactionExtensions.trimEntity)
            .map(TransactionExtensions.toModel);
    }
 
    // throws RepositoryError
    public async bulkCreateAsync(transactions: Transaction<PaymentDetails>[]) {
        const mapped = transactions.map(TransactionExtensions.toRecord);
        
        try {
            const created = await TransactionModel.sequelize?.transaction(t =>
                TransactionModel.bulkCreate(mapped, {
                    include: [
                        TransactionModel.associations['card_operation'],
                        TransactionModel.associations['standard_transfer'],
                    ],
                    transaction: t
                }));
 
            return created?.length ?? 0;
        } catch(ex) {
            // Wrap all thrown db errors and strip of possible sensitive information
            if (ex instanceof Error) {
                throw new RepositoryError(ex);
            }
 
            throw ex;
        }
    }
 
    public async bulkUpdateAsync(transactions: Transaction<PaymentDetails>[]) {
        try {
            const results = await TransactionModel.sequelize?.transaction(t =>
                Promise.all(transactions.map(transaction =>
                    this.updateAsync(transaction, t))));
 
            Iif (results === undefined) {
                return 0;
            }
 
            const totalAffected = results.reduce((acc, curr) => acc += curr, Number(0));
 
            return totalAffected;
        } catch(ex) {
            // Wrap all thrown db errors and strip of possible sensitive information
            Iif (ex instanceof Error) {
                throw new RepositoryError(ex);
            }
 
            throw ex;
        }
    }
 
    private async queryAsync(
        fromDate: Date | null,
        toDate: Date | null,
        since: Date,
        count: number,
        types: TransactionType[],
        entryTypes: EntryType[],
        fromSum: number | null,
        toSum: number | null
    ) {
        const entities = await TransactionModel.findAll({
            where: {
                date: {
                    [Op.lt]: since.toISOString()
                },
                ...(fromDate !== null && toDate !== null) && {
                    value_date: {
                        [Op.between]: [fromDate.toISOString(), toDate.toISOString()],
                    },
                } || {
                    ...(fromDate !== null) && {
                        value_date: {
                            [Op.gte]: fromDate.toISOString()
                        }
                    } || {
                        ...(toDate !== null) && {
                            value_date: {
                                [Op.lt]: toDate.toISOString()
                            }
                        }
                    }
                },
                ...(fromSum !== null || toSum !== null) && {
                    sum: {
                        ...(fromSum !== null) && {
                            [Op.gte]: fromSum,
                        },
                        ...(toSum !== null) && {
                            [Op.lte]: toSum
                        }
                    },
                },
                ...(types.length > 0) && {
                    type: {
                        [Op.in]: types
                    },
                },
                ...(entryTypes.length > 0) && {
                    entry_type: { 
                        [Op.in]: entryTypes
                    }
                }
            },
            include: [
                TransactionModel.associations['card_operation'],
                TransactionModel.associations['standard_transfer'],
            ],
            limit: count,
            order: [
                [ 'date', 'DESC' ],
                [ 'id', 'DESC' ],
            ]
        });
 
        return entities;
    }
 
    private async searchByRecipientAsync(recipient: string) {
        const cardOperationEntities = await this.fullTextSearchAsync('card_operation.recipient', recipient);
 
        const standardTransferEntities = await this.fullTextSearchAsync('standard_transfer.recipient', recipient);
 
        return [
            ...cardOperationEntities,
            ...standardTransferEntities
        ];
    }
 
    private async searchByDescriptionAsync(description: string) {
        const cardOperationEntities = await this.fullTextSearchAsync('card_operation.instrument', description);
 
        const standardTransferEntities = await this.fullTextSearchAsync('standard_transfer.description', description);
 
        return [
            ...cardOperationEntities,
            ...standardTransferEntities
        ];
    }
 
    private async fullTextSearchAsync(columnName: string, value: string) {
        const result = await TransactionModel.findAll({
            where: Sequelize.literal(
                `MATCH(${columnName}) AGAINST('${value}' IN BOOLEAN MODE)`
            ),
            include: [
                TransactionModel.associations['card_operation'],
                TransactionModel.associations['standard_transfer'],
            ]
        });
 
        return result;
    }
 
    private async updateAsync(transaction: Transaction<PaymentDetails>, t: SequelizeTransaction) {
        const entity = await TransactionModel.findByPk(transaction.id, {
            include: [
                TransactionModel.associations['card_operation'],
                TransactionModel.associations['standard_transfer'],
            ]
        });
 
        Iif (entity === null) {
            return 0;
        }
 
        const record = TransactionExtensions.toRecord(transaction);
 
        const {id, reference, ...data} = record;
 
        await entity.card_operation?.destroy({ transaction: t });
 
        await entity.standard_transfer?.destroy({ transaction: t });
            
        if (record.card_operation !== undefined) {
            await CardOperationModel.create({ transaction_id: id, ...record.card_operation }, { transaction: t });
        }
        
        if (record.standard_transfer !== undefined) {
            await StandardTransferModel.create({ transaction_id: id, ...record.standard_transfer }, { transaction: t });
        }
 
        entity.set(data);
 
        await entity.save({ transaction: t });
 
        return 1;
    }
}