70 lines
2.2 KiB
JavaScript
70 lines
2.2 KiB
JavaScript
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const Link = use('App/Models/Link');
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class UserChildUtils {
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static async isUserConnectedToChild(user_id, child_id) {
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const links = await Link.query().where({user_id, child_id}).fetch();
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return !!links.rows.length;
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}
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static async isParentOf(user_id, child_id) {
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const links =
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await Link.query().where({user_id, child_id, is_parent: true}).fetch();
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return !!links.rows.length;
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}
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static async getChildParents(child_id) {
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const links = await Link.query().where({child_id, is_parent: true}).fetch();
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const parents = await Promise.all(links.rows.map(async l => {
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return l.user().fetch();
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}));
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return parents;
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}
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static async getUserConnections(user_id) {
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const links = await Link.query().where({user_id}).fetch();
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const connections = await links.rows.reduce(async (_prev, link) => {
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const prev = await _prev;
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const is_parent = link.is_parent;
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const child = await link.child().fetch();
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if (is_parent) {
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const parents = await UserChildUtils.getChildParents(child.id);
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const nonSameUserParents = parents.filter(p => p.id != user_id);
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prev.children.push({
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...child.toJSON(),
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connections: [
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...await UserChildUtils.getChildConnections(child.id),
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...nonSameUserParents
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]
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})
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} else {
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prev.connections.push({
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...child.toJSON(),
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connections: [...await UserChildUtils.getChildParents(child.id)]
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})
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}
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return prev;
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}, Promise.resolve({children: [], connections: []}));
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return connections;
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}
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static async getChildConnections(child_id) {
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const links =
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await Link.query().where({child_id, is_parent: false}).fetch();
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const connections = await Promise.all(links.rows.map(async l => {
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return l.user().fetch();
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}));
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return connections;
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}
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static async addConnection(child_id, user_id, is_parent = false) {
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const link = await Link.create({child_id, user_id, is_parent});
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const user = await link.user().fetch();
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const child = await link.child().fetch();
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return {
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user, child, is_parent
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}
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}
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}
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module.exports = UserChildUtils;
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