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ConflictException,
ForbiddenException,
Logger,
NotFoundException,
UnprocessableEntityException,
} from '@nestjs/common';
import { EventBus } from '@nestjs/cqrs';
import { InjectRepository } from '@nestjs/typeorm';
import { Repository } from 'typeorm';
import { Company, Team, TEAM_NAME_UNIQUE_CONSTRAINT } from '@amalia/core/models';
import { isUniqueViolationError } from '@amalia/ext/typeorm';
import { assert, toError } from '@amalia/ext/typescript';
import { canModifyTeams, defineAbilityFor } from '@amalia/kernel/auth/shared';
import { type AuthenticatedContext } from '@amalia/kernel/auth/types';
import { RecordObject, RecordType } from '@amalia/tenants/monitoring/audit/types';
import { CreateTeamRequest } from '@amalia/tenants/teams/types';
import { TeamCreatedEvent } from '../events/team-created-event';
export class CreateTeamUseCase {
private readonly logger = new Logger(CreateTeamUseCase.name);
public constructor(
private readonly eventBus: EventBus,
@InjectRepository(Team)
private readonly teamsRepository: Repository<Team>,
) {}
public async execute({
company,
authenticatedContext,
createTeamRequest,
}: {
company: Company;
authenticatedContext: AuthenticatedContext;
createTeamRequest: CreateTeamRequest;
}) {
this.assertCanExecute(authenticatedContext);
const parentTeam = await this.getAndValidateParentTeam(company, createTeamRequest.parentTeamId);
try {
const createdTeam = await this.teamsRepository.save({
company,
user: authenticatedContext.user,
name: createTeamRequest.name,
parentTeamId: parentTeam?.id ?? null,
parentTeam,
});
this.publishLog({ authenticatedContext, team: createdTeam }).catch((err) => {
this.logger.error({
message: 'Failed to publish TeamCreatedEvent',
error: toError(err),
team: createdTeam,
});
});
return createdTeam;
} catch (err) {
if (isUniqueViolationError(err) && err.driverError.constraint === TEAM_NAME_UNIQUE_CONSTRAINT) {
throw new ConflictException(`A team with the name ${createTeamRequest.name} already exists`);
}
throw err;
}
}
private async publishLog({
authenticatedContext,
team,
}: {
authenticatedContext: AuthenticatedContext;
team: Pick<Team, 'id' | 'name' | 'parentTeam'>;
}) {
await this.eventBus.publish(
new TeamCreatedEvent({
authenticatedContext,
object: RecordObject.TEAM,
type: RecordType.CREATE,
values: {
target: { id: team.id, name: team.name },
newValues: {
name: team.name,
parentTeam: team.parentTeam?.name ?? null,
},
},
}),
);
}
private async getAndValidateParentTeam(company: Company, parentTeamId: CreateTeamRequest['parentTeamId']) {
if (!parentTeamId) {
return undefined;
}
const parentTeam = await this.teamsRepository.findOne({
where: {
company: { id: company.id },
id: parentTeamId,
},
});
assert(parentTeam, new NotFoundException(`Parent team with id ${parentTeamId} not found`));
assert(!parentTeam.archived, new UnprocessableEntityException(`Team ${parentTeam.name} is archived`));
return parentTeam;
}
private assertCanExecute(authenticatedContext: AuthenticatedContext) {
const ability = defineAbilityFor(authenticatedContext);
assert(canModifyTeams(ability), new ForbiddenException('You do not have the permission to create teams'));
}
}
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