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import { EntityNotFoundError, FilterBuilder, Options, repository, Where, IsolationLevel, AnyObject, } from '@loopback/repository';
import { HttpErrors, validateValueAgainstSchema } from '@loopback/rest';
import { TradeLaneDto, TradeLaneFlowDto, TradeLaneFlowJourneyPointDto, TradeLaneFlowPersonaDto } from '@logchain/dtos';
import { BaseResponses, Status, TradeLane, TradeLaneFlowJourneyPoint, TradeLaneFlowPersona } from '@logchain/models';
import { CompanyRepository, CountryRepository, FlowDefaultRepository, LocodeRepository, TradeLaneFlowJourneyPointRepository, TradeLaneFlowPersonaRepository, TradeLaneFlowRepository, TradeLaneRepository, TradeLaneViewRepository } from '@logchain/repositories';
import { DateUtils, ValidationError } from '@logchain/utils';
import { CSVParser, RecordsCreator, tradeLaneRowSchema, TradeLaneRow, UploadFileType, } from '@logchain/csv-parser';
import { BaseService } from '.';
import { TradeLaneView } from '@logchain/models/views';
import { Constants } from '@logchain/configs';
import _ from 'lodash';
@bind({ scope: BindingScope.TRANSIENT })
export class TradeLaneService extends BaseService<TradeLane> implements RecordsCreator {
headers = ['name', 'description', 'product', 'pol_code', 'pod_code', 'reta_from', 'reta_to', 'equipment', 'provisions'];
constructor(
@repository(TradeLaneRepository)
public tradeLaneRepo: TradeLaneRepository,
@repository(TradeLaneViewRepository)
public tradeLaneViewRepo: TradeLaneViewRepository,
@repository(TradeLaneFlowRepository)
public tradeLaneFlowRepo: TradeLaneFlowRepository,
@repository(TradeLaneFlowPersonaRepository)
public tradeLaneFlowPersonaRepo: TradeLaneFlowPersonaRepository,
@repository(TradeLaneFlowJourneyPointRepository)
public tradeLaneFlowJourneyPointRepo: TradeLaneFlowJourneyPointRepository,
@repository(CountryRepository)
public countryRepo: CountryRepository,
@repository(LocodeRepository)
public locodeRepository: LocodeRepository,
@repository(FlowDefaultRepository)
public flowDefaultRepo: FlowDefaultRepository,
@repository(CompanyRepository)
public comp_repo: CompanyRepository,
) {
super();
}
/**
* Validates reta
* @param reta_from The reta from value
* @param reta_to The reta to value
*/
private validateReta(reta_from: number, reta_to: number) {
// Value should be 0 <= reta_from <= reta_to value.
if (reta_from <= 0 || reta_to <= 0 || reta_to < reta_from) {
const err = new ValidationError('reta_from or reta_to is invalid');
err.statusCode = 422;
throw err;
}
}
/**
* Create a new trade lane
* @param trade_lane The trade lane information
*/
async create(trade_lane: TradeLaneDto, options?: Options): Promise<TradeLane> {
const { reta_from, reta_to, pol_code, pod_code, name, product, equipment } = trade_lane;
let { company_id } = trade_lane;
// if company_id not exists, it should be the same with the company of current_user
if (!company_id) {
company_id = this.current_user.company_id;
trade_lane.company_id = company_id;
} else {
// Validate company_id
const company = await this.comp_repo.findOne({ where: { id: company_id, status: Status.Company.Active } });
if (!company) {
throw new HttpErrors.BadRequest(`Company not found with id: ${company_id}`);
}
}
// validate reta
this.validateReta(reta_from, reta_to);
const [locodes, { count: existing }] = await Promise.all([
this.locodeRepository.find({ where: { or: [{ code: pol_code, }, { code: pod_code, },], }, }, options),
this.tradeLaneRepo.count({ name, product, equipment }, options),
]);
if (existing) {
throw new HttpErrors.BadRequest(`The trade lane name already exists: ${name} - ${product} - ${equipment}`);
}
// validate locode
const pol = locodes.find(x => x.code === pol_code);
const pod = locodes.find(x => x.code === pod_code);
if (pol) {
trade_lane.pol_name = pol.name;
trade_lane.pol_country_id = pol.country_id;
} else {
throw new HttpErrors.BadRequest(
`locode is not exists with code: ${pol_code}`,
);
}
if (pod) {
trade_lane.pod_name = pod.name;
trade_lane.pod_country_id = pod.country_id;
} else {
throw new HttpErrors.BadRequest(
`locode is not exists with code: ${pod_code}`,
);
}
// create new trade lane
const created_trade_lane = await this.tradeLaneRepo.create(trade_lane, options);
created_trade_lane.activity = {
str: 'User {1} {2} the trade lane {3}', // User {1} {2} the trade lane {3}
args: [
Constants.AccessScope.Create,
this.current_user.name,
Constants.ActionLabel.Create,
created_trade_lane.name
]
};
return created_trade_lane;
}
/**
* Copies the specified id.
*
* @param {number | string} id - The id to be copied.
* @return {Promise<void>} A promise that resolves when the copy is complete.
*/
async copy(id: number | string): Promise<AnyObject> {
const trade_lane = await this.getByIdOrIdentifier(id);
const new_name = `[Copy] ${trade_lane.name} - ${DateUtils.formatDateAndConvertTimeZone(new Date(), 'YYYY-MM-DD HH:mm:ss', this.current_user.timezone)}`;
const trade_lane_flow = trade_lane.trade_lane_flow;
// Copy trade-lane
const new_trade_lane = await this.create({
name: new_name,
description: trade_lane.description,
product: trade_lane.product,
pol_code: trade_lane.pol_code,
pod_code: trade_lane.pod_code,
reta_from: trade_lane.reta_from,
reta_to: trade_lane.reta_to,
equipment: trade_lane.equipment,
provisions: trade_lane.provisions,
product_no: trade_lane.product_no,
desired_temp: trade_lane.desired_temp,
product_hazard_ids: trade_lane.product_hazard_ids,
product_additional_information: trade_lane.product_additional_information,
cargo_type: trade_lane.cargo_type,
safety_data_sheet: (await this.duplicateS3Object(trade_lane.safety_data_sheet)).s3_uri,
status: false,
} as TradeLaneDto);
const copied_activity = {
str: 'User {1} {2} the trade lane {3}', // User {1} {2} the trade lane {3}
args: [
Constants.AccessScope.Copy,
this.current_user.name,
Constants.ActionLabel.Copy,
trade_lane.name,
],
};
if (!trade_lane_flow) {
return { copied: { ...new_trade_lane, activity: copied_activity }, created: new_trade_lane };
}
// copy trade lane flow
this.filter_builder = new FilterBuilder<TradeLane>();
const new_trade_lane_flow = await this.upsertRefFlow(new_trade_lane.id, new TradeLaneFlowDto({
personas: trade_lane_flow.personas.map( p => _.omit(p, 'id', 'trade_lane_flow_id')) as TradeLaneFlowPersona[],
journey_points: trade_lane_flow.journey_points.map( jp => _.omit(jp, 'id', 'trade_lane_flow_id')) as TradeLaneFlowJourneyPoint[],
flow_status: false,
}));
new_trade_lane_flow.activity = copied_activity;
return { copied: new_trade_lane_flow, created: new_trade_lane };
}
/**
* Update trade lane by id or identifier
* @param id The id or identifier of trade lane
* @param tradelane The new trade lane info
* @returns Promise<void>
*/
async updateByIdOrIdentifier(id: string | number, tradelane: TradeLaneDto) {
this.addWhereIdOrIdentifier(id);
// build where with current company of logged-in user
this._addWhereCurrentCompany();
const curr_inst = await this.tradeLaneRepo.findOne(
this.filter_builder.build(),
);
if (!curr_inst) {
throw new EntityNotFoundError(this.tradeLaneRepo.entityClass, id);
}
// eslint-disable-next-line prefer-const
let { reta_from, reta_to, pod_code, pol_code } = tradelane;
reta_from = reta_from || curr_inst.reta_from;
reta_to = reta_to || curr_inst.reta_to;
// validate reta
this.validateReta(reta_from, reta_to);
// ensure the pod active
if (pod_code) {
const pod = await this.locodeRepository.findOne({
where: {
code: pod_code,
},
});
if (pod) {
tradelane.pod_name = pod.name;
tradelane.pod_country_id = pod.country_id;
} else {
throw new HttpErrors.BadRequest(
`locode is not exists with code: ${pod_code}`,
);
}
}
// ensure the pol active
if (pol_code) {
const pol = await this.locodeRepository.findOne({
where: {
code: pol_code,
},
});
if (pol) {
tradelane.pol_name = pol.name;
tradelane.pol_country_id = pol.country_id;
} else {
throw new HttpErrors.BadRequest(
`locode is not exists with code: ${pol_code}`,
);
}
}
// update the tradelane.
await this.tradeLaneRepo.updateAll(
tradelane,
this.filter_builder.build().where,
);
if (
tradelane.safety_data_sheet &&
tradelane.safety_data_sheet !== curr_inst.safety_data_sheet
) {
super.cleanUpStorage(curr_inst.safety_data_sheet);
}
curr_inst.activity = {
str: 'User {1} {2} the trade lane {3}', // User {1} {2} the trade lane {3}
args: [
Constants.AccessScope.Update,
this.current_user.name,
Constants.ActionLabel.Update,
curr_inst.name
]
};
// return to write logs
return curr_inst;
}
/**
* Gets by id or identifier
* @param id
* @returns by id or identifier
*/
async getByIdOrIdentifier(id: string | number): Promise<TradeLane> {
this.addWhereIdOrIdentifier(id);
// For public controller
this._addWhereCurrentCompany();
// add creator, modifier
this._addIncludeCreator(this.filter_builder);
this._addIncludeModifier(this.filter_builder);
// add pol_country
this._addIncludeCountry(this.filter_builder, 'pol_country');
// add pod_country
this._addIncludeCountry(this.filter_builder, 'pod_country');
// add company
this._addIncludeCompany(this.filter_builder);
// get flows used by trade lane.
this.filter_builder.include({
relation: 'flows',
scope: {
fields: {
id: true,
trade_lane_id: true,
name: true,
status: true,
stats: true,
},
order: ['created_date DESC'],
},
});
// get trade_lane_flow used by trade lane.
this.filter_builder.include({
relation: 'trade_lane_flow',
scope: {
fields: {
id: true,
trade_lane_id: true,
personas: true,
},
include: [
{
relation: 'personas',
scope: {
order: ['order ASC'],
},
},
{
relation: 'journey_points',
scope: {
order: ['order ASC'],
},
},
],
},
});
// find tradeLane.
const trade_lane = await this.tradeLaneRepo.findOne(
this.filter_builder.build(), { maxDepthOfQuery: Number.MAX_SAFE_INTEGER },
);
if (!trade_lane) {
throw new EntityNotFoundError(this.tradeLaneRepo.entityClass, id);
}
return trade_lane;
}
/**
* Delete trade lane by id or identifier
* @param id The trade lane id or identifier
*/
async deleteByIdOrIdentifier(id: number | string) {
this.addWhereIdOrIdentifier(id);
// For public controller
this._addWhereCurrentCompany();
// get flows used by trade lane.
this.filter_builder.include({
relation: 'flows',
scope: {
fields: {
id: true,
trade_lane_id: true,
name: true,
},
},
});
const trade_lane = await this.tradeLaneRepo.findOne(
this.filter_builder.build(),
);
if (!trade_lane) {
throw new EntityNotFoundError(this.tradeLaneRepo.entityClass, id);
}
if (trade_lane.status) {
throw new HttpErrors.BadRequest("Don't allow delete active trade lane");
}
if (trade_lane?.flows?.length > 0) {
throw new HttpErrors.BadRequest("Don't allow delete trade lane with flows");
}
await this.tradeLaneRepo.deleteAll(this.filter_builder.build().where);
super.cleanUpStorage(trade_lane.safety_data_sheet);
trade_lane.activity = {
str: 'User {1} {2} the trade lane {3}', // User {1} {2} the trade lane {3}
args: [
Constants.AccessScope.Delete,
this.current_user.name,
Constants.ActionLabel.Delete,
trade_lane.name
]
};
// return to write logs
return trade_lane;
}
/**
* Get array trade lane based on filter.
* @param filter
*/
async find(option: Options): Promise<BaseResponses<TradeLaneView>> {
const filter_builder = new FilterBuilder<TradeLaneView>();
filter_builder.filter = this.filter_builder.filter;
// add creator, modifier
this._addIncludeCreator(filter_builder);
this._addIncludeModifier(filter_builder);
// add pol_country
this._addIncludeCountry(filter_builder, 'pol_country');
// add pod_country
this._addIncludeCountry(filter_builder, 'pod_country');
this._addExcludeFields(filter_builder);
this._addIncludeCompany(filter_builder);
const tradelane_list = await this.tradeLaneViewRepo.fillRelation(
filter_builder,
);
// implement default flow
if (option.is_private) {
const tradelane_ids = tradelane_list.data.map(x => x.id);
if (tradelane_ids.length > 0) {
const flow_list = await this.flowDefaultRepo.find({
where: {
trade_lane_id: {
inq: tradelane_ids,
},
},
fields: {
id: true,
trade_lane_id: true,
},
});
tradelane_list.data.map(x => {
x.default_flow = flow_list.filter(
y => y.trade_lane_id === x.id,
).length;
});
}
}
return tradelane_list;
}
/**
* Adds exclude fields
* @param filterBuilder
*/
private _addExcludeFields(filterBuilder: FilterBuilder) {
filterBuilder.fields({
created_date: false,
created_by: false,
modified_date: false,
modified_by: false,
});
}
/**
* Builds the query for trade lane
* @param q The query string.
*/
async buildSearchQuery(q?: string) {
if (!q) {
return;
}
const ilike_value = this.buildILikeValue(q);
// "FILTER: name OR product OR equipment Should be a LIKE search"
this.filter_builder.impose({
or: [
{
name: ilike_value,
},
{
equipment: ilike_value,
},
{
product: ilike_value,
},
],
});
}
/**
* Builds the query country for trade lane.
* @param country The country id.
*/
async buildCountryQuery(country?: number) {
if (!country) {
return;
}
// FILTER: pol_country.id OR pod_country.id
this.filter_builder.impose({
or: [
{
pol_country_id: country,
},
{
pod_country_id: country,
},
],
});
}
/**
* Ensure get active record
* @protected
* @param filterBuilder The FilterBuilder
* @param id The id or identifier
*/
public ensureRightAccessRecord(): void {
const _where: Where = {
company_id: this.current_user.company_id
};
this.filter_builder.impose(_where);
}
/**
* Validates the given row of TradeLane data in a CSV file.
*
* @param {TradeLaneRow} row - The row of TradeLane data to validate.
* @return {Promise<void>} - A Promise that resolves when the validation is complete.
*/
async validateRowsCsv(row: TradeLaneRow): Promise<void> {
await validateValueAgainstSchema(row, tradeLaneRowSchema);
try {
row.reta_from = JSON.parse(row.reta_from);
} catch (error) {
throw new HttpErrors.BadRequest(`The reta_from should be an integer`);
}
try {
row.reta_to = JSON.parse(row.reta_to);
} catch (error) {
throw new HttpErrors.BadRequest(`The reta_to should be an integer`);
}
row.status = true;
}
/**
* Creates trade lane from csv files
* @param [uploadedFiles]
* @returns
*/
async createTradeLaneFromCSV(uploadedFiles?: UploadFileType) {
const csvParser = new CSVParser<TradeLaneRow>(this);
const tx = await this.tradeLaneRepo.beginTransaction(IsolationLevel.SERIALIZABLE);
try {
const results = await csvParser.createRecordsFromCSV(uploadedFiles, { transaction: tx })
await tx.commit();
return results;
} catch (error) {
await tx.rollback();
throw new HttpErrors.BadRequest(error.message);
}
}
/**
* Upsert sample flow data for trade-lane
* @param {number} id
* @param {TradeLaneFlowDto} payload
*/
async upsertRefFlow(id: number, payload: TradeLaneFlowDto, options: Options = {}) {
// Validate Personas
const number_personas_limit = +(process.env.NUMBER_PERSONA_LIMIT ?? 0);
if (payload.personas.length > number_personas_limit) {
throw new HttpErrors.BadRequest(
`Allowed limit for persona reached. Please remove some persona for the flow.`,
);
}
// --------------------------------------------------
const tradeLane = await this.getByIdOrIdentifier(id);
const { personas = [], journey_points = [] } = payload;
tradeLane.flow_status = payload.flow_status;
await this.tradeLaneRepo.updateById(id, { flow_status: payload.flow_status });
options.tx = await this.tradeLaneFlowRepo.beginTransaction(IsolationLevel.SERIALIZABLE);
const tradeLaneFlow = await this.tradeLaneFlowRepo.upsertWithWhere(
{
trade_lane_id: tradeLane.id
},
{
trade_lane_id: tradeLane.id,
},
options
) ?? await this.tradeLaneFlowRepo.findOne({ where: { trade_lane_id: tradeLane.id }}, options);
// Update personas for trade-lane-flow
if (tradeLaneFlow?.id) {
let creator_personas: AnyObject[] = [];
if (personas?.length) {
// Validate creator of trade-lane of personas must have in access list
creator_personas = personas.filter((persona: AnyObject) => {
return persona.company_id === this.current_user.company_id;
});
const createdTradelanePersonas = payload.personas.map(persona => {
return new TradeLaneFlowPersonaDto({
trade_lane_flow_id: tradeLaneFlow.id,
persona_id: persona.persona_id,
company_id: persona.company_id,
order: persona.order,
});
});
await this.tradeLaneFlowPersonaRepo.deleteAll({trade_lane_flow_id: tradeLaneFlow.id}, options);
tradeLaneFlow.personas = await this.tradeLaneFlowPersonaRepo.createAll(createdTradelanePersonas, options);
}
// -----------------------------------------------------------------------
// Update journey_points for trade-lane-flow
if (journey_points?.length) {
await this.tradeLaneFlowJourneyPointRepo.deleteAll({trade_lane_flow_id: tradeLaneFlow.id}, options);
tradeLaneFlow.journey_points = [];
const createdJourneyPoints = payload.journey_points.map((journey_point) => {
// ------------------------------------------
// Validate creator of trade-lane of personas must have in access list
if (journey_point.persona && creator_personas.length) {
const persona_found = journey_point.personas.filter((persona: AnyObject) => {
return persona.persona_id === creator_personas[0].persona_id &&
persona.order === creator_personas[0].order;
});
if (!persona_found?.length) {
throw new HttpErrors.BadRequest(`Creator of trade-lane is missing from access list.`);
}
}
// ------------------------------------------
return new TradeLaneFlowJourneyPointDto({
trade_lane_flow_id: tradeLaneFlow.id,
order: journey_point.order,
persona: journey_point.persona ?? undefined,
actor: !journey_point.persona ? journey_point.actor : undefined,
validator: journey_point?.validator ?? undefined,
name: journey_point.name ?? '',
personas: journey_point.personas ?? [],
actions: journey_point.actions ?? [],
expected_date_info: journey_point.expected_date_info ?? undefined,
});
});
if (createdJourneyPoints?.length) {
tradeLaneFlow.journey_points = await this.tradeLaneFlowJourneyPointRepo.createAll(createdJourneyPoints, options);
}
tradeLane.trade_lane_flow = tradeLaneFlow;
await this.tradeLaneRepo.updateById(tradeLane.id, { trade_lane_flow_id: tradeLaneFlow.id }, options);
}
try {
await options.tx.commit();
} catch (error) {
await options.tx.rollback();
if (error instanceof EntityNotFoundError || error instanceof HttpErrors.BadRequest || error instanceof HttpErrors.NotFound) {
throw error;
}
throw new HttpErrors.InternalServerError('An error occurred when update flow of tradelane!');
}
}
tradeLane.activity = {
str: 'User {1} {2} the trade lane {3}', // User {1} {2} the trade lane {3}
args: [
Constants.AccessScope.Update,
this.current_user.name,
Constants.ActionLabel.Update,
tradeLane.name
]
};
return tradeLane;
}
}
|