Brazen Item Attributes Resolver

Item attributes resolution helper class
Verzia zo dňa 10.11.2022. Pozri najnovšiu verziu.
Tento skript by nemal byť nainštalovaný priamo. Je to knižnica pre ďalšie skripty, ktorú by mali používať cez meta príkaz // @require https://update.greasyforks.org/scripts/429587/1115638/Brazen%20Item%20Attributes%20Resolver.js
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// ==UserScript==
// @name         Brazen Item Attributes Resolver
// @namespace    brazenvoid
// @version      2.1.0
// @author       brazenvoid
// @license      GPL-3.0-only
// @description  Item attributes resolution helper class
// ==/UserScript==
// require: https://greasyforks.org/scripts/429587-brazen-item-attributes-resolver/code/Brazen%20Item%20Attributes%20Resolver.js?version=1115000

class BrazenItemAttributesResolver
{
    /**
     * @typedef {{itemLinkSelector: JQuery.Selector, itemDeepAnalysisSelector: JQuery.Selector, requestDelay: number,
     *            onDeepAttributesResolution: Function}} ItemAttributesResolverConfiguration
     */
    
    /**
     * @callback ItemAttributesResolverCallback
     * @param {JQuery} item
     * @return {*}
     */
    
    /**
     * @param {ItemAttributesResolverConfiguration} configuration
     */
    constructor(configuration)
    {
        /**
         * @type {{}}
         * @private
         */
        this._attributes = {}
        
        /**
         * @type {{}}
         * @private
         */
        this._deepAttributes = {}
        
        /**
         * @type {boolean}
         * @private
         */
        this._hasDeepAttributes = false
        
        /**
         * @type {JQuery.Selector}
         * @protected
         */
        this._itemLinkSelector = configuration.itemLinkSelector
        
        /**
         * @type {JQuery.Selector}
         * @protected
         */
        this._itemDeepAnalysisSelector = configuration.itemDeepAnalysisSelector
    
        /**
         * @type {Function}
         * @private
         */
        this._onDeepAttributesResolution = configuration.onDeepAttributesResolution
        
        /**
         * @type {number}
         * @private
         */
        this._requestDelay = configuration.requestDelay
        
        /**
         * @type {number}
         * @private
         */
        this._requestIteration = 1
        
        /**
         * @type {JQuery<HTMLElement> | jQuery | HTMLElement}
         * @private
         */
        this._sandbox = $('<div id="brazen-item-attributes-resolver-sandbox" hidden/>').appendTo('body')
    }
    
    /**
     * @param {string} attribute
     * @returns {string}
     * @private
     */
    _formatAttributeName(attribute)
    {
        return attribute.toLowerCase().replaceAll(' ', '_')
    }
    
    /**
     * @param {string} attribute
     * @param {ItemAttributesResolverCallback} resolutionCallback
     * @returns {this}
     */
    addAttribute(attribute, resolutionCallback)
    {
        this._attributes[this._formatAttributeName(attribute)] = resolutionCallback
        return this
    }
    
    /**
     * @param {string} attribute
     * @param {ItemAttributesResolverCallback} resolutionCallback
     * @returns {this}
     */
    addDeepAttribute(attribute, resolutionCallback)
    {
        this._deepAttributes[this._formatAttributeName(attribute)] = resolutionCallback
        this._hasDeepAttributes = true
        return this
    }
    
    /**
     * @returns {BrazenItemAttributesResolver}
     */
    completeResolutionRun()
    {
        this._requestIteration = 1;
        return this
    }
    
    /**
     * @param {JQuery} item
     * @param {string} attribute
     * @returns {*}
     */
    get(item, attribute)
    {
        let attributesBag = item[0].scriptAttributes
        if (typeof attributesBag !== 'undefined') {
            let attributeValue = attributesBag[this._formatAttributeName(attribute)]
            if (typeof attributeValue !== 'undefined') {
                return attributeValue
            }
        }
        return null
    }
    
    /**
     * @param {JQuery} item
     * @param {Function|null} afterResolutionCallback
     */
    resolveAttributes(item, afterResolutionCallback = null)
    {
        let attributesBag = {}
        item[0].scriptAttributes = attributesBag
        
        for (const attributeName in this._attributes) {
            attributesBag[attributeName] = this._attributes[attributeName](item)
        }
        if (this._hasDeepAttributes) {
            let url = item.find(this._itemLinkSelector).attr('href')
            if (url) {
                Utilities.sleep(this._requestIteration * this._requestDelay).then(() => {
                    try {
                        this._sandbox.load(url + ' ' + this._itemDeepAnalysisSelector, () => {
                            for (const attributeName in this._deepAttributes) {
                                attributesBag[attributeName] = this._deepAttributes[attributeName](this._sandbox)
                            }
                            this._onDeepAttributesResolution(item)
                            this._sandbox.empty()
                        })
                    } catch (error) {
                        console.error('Deep attributes loading failed.')
                    }
                })
                this._requestIteration++
            }
        }
    }
    
    /**
     * @param {JQuery} item
     * @param {string} attribute
     * @param {*} value
     * @returns {BrazenItemAttributesResolver}
     */
    set(item, attribute, value)
    {
        item[0].scriptAttributes[this._formatAttributeName(attribute)] = value
        return this
    }
}