86 lines
2.4 KiB
JavaScript
86 lines
2.4 KiB
JavaScript
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const Feedback = require('./Feedback');
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const errors = require('@tryghost/errors');
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const tpl = require('@tryghost/tpl');
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const messages = {
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invalidScore: 'Invalid feedback score. Only 1 or 0 is currently allowed.',
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postNotFound: 'Post not found.',
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memberNotFound: 'Member not found.'
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};
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/**
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* @typedef {object} IFeedbackRepository
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* @prop {(feedback: Feedback) => Promise<void>} add
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* @prop {(feedback: Feedback) => Promise<void>} edit
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* @prop {(postId, memberId) => Promise<Feedback>} get
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* @prop {(id: string) => Promise<Post|undefined>} getPostById
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*/
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class AudienceFeedbackController {
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/** @type IFeedbackRepository */
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#repository;
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/**
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* @param {object} deps
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* @param {IFeedbackRepository} deps.repository
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*/
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constructor(deps) {
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this.#repository = deps.repository;
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}
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/**
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* Get member from frame
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*/
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#getMember(frame) {
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if (!frame.options?.context?.member?.id) {
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// This is an internal server error because authentication should happen outside this service.
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throw new errors.InternalServerError({
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message: tpl(messages.memberNotFound)
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});
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}
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return frame.options.context.member;
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}
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async add(frame) {
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const data = frame.data.feedback[0];
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const postId = data.post_id;
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const score = data.score;
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if (![0, 1].includes(score)) {
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throw new errors.ValidationError({
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message: tpl(messages.invalidScore)
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});
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}
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const member = this.#getMember(frame);
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const post = await this.#repository.getPostById(postId);
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if (!post) {
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throw new errors.NotFoundError({
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message: tpl(messages.postNotFound)
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});
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}
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const existing = await this.#repository.get(post.id, member.id);
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if (existing) {
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if (existing.score === score) {
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// Don't save so we don't update the updated_at timestamp
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return existing;
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}
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existing.score = score;
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await this.#repository.edit(existing);
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return existing;
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}
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const feedback = new Feedback({
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memberId: member.id,
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postId: post.id,
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score
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});
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await this.#repository.add(feedback);
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return feedback;
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}
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}
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module.exports = AudienceFeedbackController;
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