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recent-search.repository.ts
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recent-search.repository.ts
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// Copyright (c) 2023 Sourcefuse Technologies
//
// This software is released under the MIT License.
// https://opensource.org/licenses/MIT
import {Getter, inject} from '@loopback/core';
import {
HasManyRepositoryFactory,
juggler,
repository,
} from '@loopback/repository';
import {HttpErrors} from '@loopback/rest';
import {
DefaultUserModifyCrudRepository,
IAuthUserWithPermissions,
} from '@sourceloop/core';
import {AuthenticationBindings} from 'loopback4-authentication';
import {SearchServiceConfig} from '..';
import {DEFAULT_RECENTS, Errors} from '../const';
import {SearchServiceBindings} from '../keys';
import {RecentSearch, SearchQuery} from '../models';
import {SearchQueryRepository} from './search-query.repository';
export class RecentSearchRepository extends DefaultUserModifyCrudRepository<
RecentSearch,
typeof RecentSearch.prototype.id
> {
public readonly params: HasManyRepositoryFactory<
SearchQuery,
typeof SearchQuery.prototype.id
>;
constructor(
@inject(`datasources.${SearchServiceBindings.DATASOURCE_NAME}`)
dataSource: juggler.DataSource,
@repository.getter('SearchQueryRepository')
queryRepositoryGetter: Getter<SearchQueryRepository>,
@inject(SearchServiceBindings.Config)
private readonly config: SearchServiceConfig,
@inject.getter(AuthenticationBindings.CURRENT_USER)
protected readonly getCurrentUser: Getter<
IAuthUserWithPermissions | undefined
>,
) {
super(RecentSearch, dataSource, getCurrentUser);
this.params = this.createHasManyRepositoryFactoryFor(
'params',
queryRepositoryGetter,
);
this.registerInclusionResolver('params', this.params.inclusionResolver);
}
async create(query: SearchQuery, user?: IAuthUserWithPermissions) {
if (!user) {
throw new HttpErrors.BadRequest(Errors.USER_MISSING);
}
let saved = await super.findOne({
where: {
userId: user.userTenantId,
},
});
if (saved?.id) {
const prev = await this.params(saved.id).find({
order: ['created_on DESC'],
fields: {
where: false,
},
});
const recentCount =
this.config.controller?.recentCount ?? DEFAULT_RECENTS;
//to delete from recent search if already present
const prevMatched = prev
.filter(
item =>
item.match.toLocaleLowerCase() === query.match.toLocaleLowerCase(),
)
.map(item => item.id);
await this.params(saved.id).delete({
id: {
inq: prevMatched,
},
});
if (prev.length >= recentCount) {
const latestOnes = prev.slice(0, recentCount).map(item => item.id);
await this.params(saved.id).delete({
id: {
nin: latestOnes,
},
});
}
} else {
saved = await super.create({
userId: user.userTenantId,
});
}
if (saved?.id) {
await this.params(saved.id).create({
...query,
recentSearchId: saved.id,
});
} else {
throw new HttpErrors.InternalServerError(Errors.FAILED);
}
return saved;
}
}