45 lines
1003 B
JavaScript
45 lines
1003 B
JavaScript
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const { isString, isObject } = require('lodash');
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module.exports = class Activity {
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constructor(obj) {
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Object.assign(this, obj);
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}
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static get ActivityTypes() {
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return [
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'Create',
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'Update',
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'Delete',
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'Follow',
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'Accept',
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'Reject',
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'Add',
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'Remove',
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'Like',
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'Announce',
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'Undo',
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];
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}
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static fromJson(json) {
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const parsed = JSON.parse(json);
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return new Activity(parsed);
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}
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isValid() {
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if (
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this['@context'] !== 'https://www.w3.org/ns/activitystreams' ||
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!isString(this.id) ||
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!isString(this.actor) ||
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(!isString(this.object) && !isObject(this.object)) ||
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!Activity.ActivityTypes.includes(this.type)
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) {
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return false;
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}
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// :TODO: we could validate the particular types
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return true;
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}
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};
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