77 lines
2.0 KiB
JavaScript
77 lines
2.0 KiB
JavaScript
const { ValidationError } = require('../shared/errors');
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class GroupsService {
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constructor({ groupsRepository, usersRepository }) {
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this.groupsRepository = groupsRepository;
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this.usersRepository = usersRepository;
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}
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async getAllGroups() {
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return await this.groupsRepository.findAll({
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include: [
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{
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model: this.usersRepository.User,
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as: 'members',
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through: { attributes: [] },
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},
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],
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});
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}
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async getGroupById(groupId) {
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return await this.groupsRepository.findById(groupId, true);
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}
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async createGroup(groupData) {
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const { name, members } = groupData;
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if (!name || name.trim() === '') {
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throw new ValidationError('Group name is required');
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}
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if (!members || !Array.isArray(members) || members.length === 0) {
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throw new ValidationError('At least one member is required');
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}
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for (const userId of members) {
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await this.usersRepository.findById(userId);
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}
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const group = await this.groupsRepository.create({ name });
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return await this.groupsRepository.addMembers(group.id, members);
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}
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async updateGroup(groupId, updateData) {
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const { name } = updateData;
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if (name && name.trim() === '') {
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throw new ValidationError('Group name cannot be empty');
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}
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return await this.groupsRepository.update(groupId, { name });
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}
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async deleteGroup(groupId) {
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return await this.groupsRepository.delete(groupId);
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}
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async addMembersToGroup(groupId, userIds) {
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if (!userIds || !Array.isArray(userIds) || userIds.length === 0) {
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throw new ValidationError('User IDs are required');
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}
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for (const userId of userIds) {
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await this.usersRepository.findById(userId);
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}
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return await this.groupsRepository.addMembers(groupId, userIds);
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}
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async removeMemberFromGroup(groupId, userId) {
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await this.usersRepository.findById(userId);
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return await this.groupsRepository.removeMember(groupId, userId);
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}
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}
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module.exports = GroupsService;
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