Brazen Base Search Enhancer

Base class for search enhancement scripts

目前為 2020-12-07 提交的版本,檢視 最新版本

此腳本不應該直接安裝,它是一個供其他腳本使用的函式庫。欲使用本函式庫,請在腳本 metadata 寫上: // @require https://update.sleazyfork.org/scripts/416105/877826/Brazen%20Base%20Search%20Enhancer.js

您需要先安裝使用者腳本管理器擴展,如 TampermonkeyGreasemonkeyViolentmonkey 之後才能安裝該腳本。

You will need to install an extension such as Tampermonkey to install this script.

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyViolentmonkey 後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyUserscripts 後才能安裝該腳本。

你需要先安裝一款使用者腳本管理器擴展,比如 Tampermonkey,才能安裝此腳本

您需要先安裝使用者腳本管理器擴充功能後才能安裝該腳本。

(我已經安裝了使用者腳本管理器,讓我安裝!)

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

(我已經安裝了使用者樣式管理器,讓我安裝!)

// ==UserScript==
// @name         Brazen Base Search Enhancer
// @namespace    brazen
// @version      2.1.0
// @author       brazenvoid
// @license      GPL-3.0-only
// @description  Base class for search enhancement scripts
// @require      https://greasyfork.org/scripts/375557-base-resource/code/Base%20Resource.js?version=869326
// ==/UserScript==

const CONFIG_PAGINATOR_LIMIT = 'Pagination Limit'
const CONFIG_PAGINATOR_THRESHOLD = 'Pagination Threshold'
const OPTION_ALWAYS_SHOW_SETTINGS_PANE = 'Always Show Settings Pane'
const OPTION_DISABLE_COMPLIANCE_VALIDATION = 'Disable Item Compliance Validation'

const FILTER_TEXT_BLACKLIST = 'Blacklist'
const FILTER_TEXT_SEARCH = 'Search'
const FILTER_TEXT_SANITIZATION = 'Text Sanitization Rules'
const FILTER_TEXT_WHITELIST = 'Whitelist'

class BrazenBaseSearchEnhancer
{
    /**
     * @return BrazenBaseSearchEnhancer
     */
    static initialize ()
    {
        BrazenBaseSearchEnhancer.throwOverrideError()
    }

    static throwOverrideError ()
    {
        throw new Error('Method must be overridden.')
    }

    /**
     * @param {string} scriptPrefix
     * @param {string|string[]} itemClasses
     * @param {boolean} enablePaginator
     */
    constructor (scriptPrefix, itemClasses, enablePaginator = false)
    {
        /**
         * Array of item compliance filters ordered in intended sequence of execution
         * @type {Function[]}
         * @protected
         */
        this._complianceFilters = []

        /**
         * @type {string[]}
         * @protected
         */
        this._itemClasses = Array.isArray(itemClasses) ? itemClasses : [itemClasses]

        /**
         * @type {string}
         * @protected
         */
        this._itemClassesSelector = '.' + this._itemClasses.join(',.')

        /**
         * Pagination manager
         * @type Paginator|null
         * @protected
         */
        this._paginator = null

        /**
         * @type {string}
         * @protected
         */
        this._scriptPrefix = scriptPrefix

        /**
         * @type {StatisticsRecorder}
         * @protected
         */
        this._statistics = new StatisticsRecorder(this._scriptPrefix)

        /**
         * @type {BrazenUIGenerator}
         * @protected
         */
        this._uiGen = new BrazenUIGenerator(this._scriptPrefix)

        /**
         * @type {Validator}
         * @protected
         */
        this._validator = (new Validator(this._statistics))

        /**
         * Local storage store with defaults
         * @type {ConfigurationManager}
         * @protected
         */
        this._configurationManager = ConfigurationManager.create(this._uiGen).
            addFlagField(OPTION_DISABLE_COMPLIANCE_VALIDATION, 'Disables all search filters.').
            addFlagField(OPTION_ALWAYS_SHOW_SETTINGS_PANE, 'Always show configuration interface.').
            addNumberField(CONFIG_PAGINATOR_LIMIT, 0, 50, 'Limit paginator to concatenate the specified number of maximum pages. Zero equates to infinite.').
            addNumberField(CONFIG_PAGINATOR_THRESHOLD, 10, 1000, 'Make paginator ensure the specified number of minimum results.').
            addRulesetField(FILTER_TEXT_BLACKLIST, '', null, (blacklistedWords, field) => {
                field.optimized = Utilities.buildWholeWordMatchingRegex(blacklistedWords)
                return blacklistedWords
            }).
            addRulesetField(FILTER_TEXT_SANITIZATION, '', (sanitizationRules) => {
                let sanitizationRulesText = []
                for (let substitute in sanitizationRules) {
                    sanitizationRulesText.push(substitute + '=' + sanitizationRules[substitute].join(','))
                }
                return sanitizationRulesText

            }, (sanitizationRulesText, field) => {
                let sanitizationRules = {}
                if (sanitizationRulesText.length) {

                    let fragments, validatedTargetWords
                    for (let sanitizationRule of sanitizationRulesText) {

                        if (sanitizationRule.includes('=')) {

                            fragments = sanitizationRule.split('=')
                            if (fragments[0] === '') {
                                fragments[0] = ' '
                            }

                            validatedTargetWords = Utilities.trimAndKeepNonEmptyStrings(fragments[1].split(','))
                            if (validatedTargetWords.length) {
                                sanitizationRules[fragments[0]] = validatedTargetWords
                            }
                        }
                    }

                    /**
                     * @type {{}}
                     */
                    field.optimized = {}
                    for (const substitute in sanitizationRules) {
                        field.optimized[substitute] = Utilities.buildWholeWordMatchingRegex(sanitizationRules[substitute])
                    }
                } else {
                    field.optimized = null
                }
                return sanitizationRules
            }).
            addRulesetField(FILTER_TEXT_WHITELIST, '', null, (whitelistedWords, field) => {
                field.optimized = Utilities.buildWholeWordMatchingRegex(whitelistedWords)
                return whitelistedWords
            }).
            addTextField(FILTER_TEXT_SEARCH, 'Show videos with these comma separated words in their names.')

        // Events

        /**
         * Operations to perform after script initialization
         * @type {Function}
         * @protected
         */
        this._onAfterInitialization = null

        /**
         * Operations to perform after UI generation
         * @type {Function}
         * @protected
         */
        this._onAfterUIBuild = null

        /**
         * Operations to perform before compliance validation. This callback can also be used to skip compliance validation by returning false.
         * @type {null}
         * @protected
         */
        this._onBeforeCompliance = null

        /**
         * Operations to perform before UI generation
         * @type {Function}
         * @protected
         */
        this._onBeforeUIBuild = null

        /**
         * Operations to perform after compliance checks, the first time a item is retrieved
         * @type {Function}
         * @protected
         */
        this._onFirstHitAfterCompliance = null

        /**
         * Operations to perform before compliance checks, the first time a item is retrieved
         * @type {Function}
         * @protected
         */
        this._onFirstHitBeforeCompliance = null

        /**
         * Get item lists from the page
         * @type {Function}
         * @protected
         */
        this._onGetItemLists = null

        /**
         * Logic to hide a non-compliant item
         * @type {Function}
         * @protected
         */
        this._onItemHide = (item) => item.hide(100)

        /**
         * Logic to show compliant item
         * @type {Function}
         * @protected
         */
        this._onItemShow = (item) => item.show(100)

        /**
         * Must return the generated settings section node
         * @type {Function}
         * @protected
         */
        this._onUIBuild = null

        /**
         * Validate initiating initialization.
         * Can be used to stop script init on specific pages or vice versa
         * @type {Function}
         * @protected
         */
        this._onValidateInit = () => true
    }

    /**
     * @param {Function} eventHandler
     * @param {*} parameters
     * @return {*}
     * @private
     */
    _callEventHandler (eventHandler, ...parameters)
    {
        if (eventHandler) {
            return eventHandler(...parameters)
        }
        return null
    }

    /**
     * Filters items as per settings
     * @param {JQuery} itemsList
     * @param {boolean} fromObserver
     * @protected
     */
    _complyItemsList (itemsList, fromObserver = false)
    {
        let items = fromObserver ? itemsList.filter(this._itemClassesSelector) : itemsList.find(this._itemClassesSelector)
        items.each((index, element) => {
            let item = $(element)
            if (typeof element['scriptProcessedOnce'] === 'undefined') {
                element.scriptProcessedOnce = false
                this._callEventHandler(this._onFirstHitBeforeCompliance, item)
            }

            this._validateItemCompliance(item)

            if (!element['scriptProcessedOnce']) {
                this._callEventHandler(this._onFirstHitAfterCompliance, item)
                element.scriptProcessedOnce = true
            }

            this._statistics.updateUI()
        })
    }

    /**
     * @protected
     */
    _createSettingsFormActions ()
    {
        return this._uiGen.createFormSection().append([
            this._uiGen.createFormActions([
                this._uiGen.createFormButton('Apply', () => this._onApplyNewSettings(), 'Apply settings.'),
                this._uiGen.createFormButton('Save', () => this._onSaveSettings(), 'Apply and update saved configuration.'),
                this._uiGen.createFormButton('Reset', () => this._onResetSettings(), 'Revert to saved configuration.'),
            ]),
        ])
    }

    /**
     * @param {JQuery} UISection
     * @private
     */
    _embedUI (UISection)
    {
        UISection.on('mouseleave', (event) => {
            if (!this._configurationManager.getValue(OPTION_ALWAYS_SHOW_SETTINGS_PANE)) {
                $(event.currentTarget).hide(300)
            }
        })
        if (this._configurationManager.getValue(OPTION_ALWAYS_SHOW_SETTINGS_PANE)) {
            UISection.show()
        }
        this._uiGen.constructor.appendToBody(UISection)
        this._uiGen.constructor.appendToBody(this._uiGen.createSettingsShowButton('', UISection))
    }

    _onApplyNewSettings ()
    {
        this._configurationManager.update()
        this._validateCompliance()
    }

    _onResetSettings ()
    {
        this._configurationManager.revertChanges()
        this._validateCompliance()
    }

    _onSaveSettings ()
    {
        this._onApplyNewSettings()
        this._configurationManager.save()
    }

    /**
     * @param {boolean} firstRun
     * @protected
     */
    _validateCompliance (firstRun = false)
    {
        let itemLists = this._callEventHandler(this._onGetItemLists)
        if (!firstRun) {
            this._statistics.reset()
            itemLists.each((index, itemsList) => {
                this._complyItemsList($(itemsList))
            })
        } else {
            itemLists.each((index, itemList) => {
                ChildObserver.create().onNodesAdded((itemsAdded) => this._complyItemsList($(itemsAdded), true).observe(itemList))
                this._complyItemsList($(itemList))
            })
        }
        if (this._paginator) {
            this._paginator.run(this._configurationManager.getValue(CONFIG_PAGINATOR_THRESHOLD), this._configurationManager.getValue(CONFIG_PAGINATOR_LIMIT))
        }
    }

    /**
     * @param {JQuery} item
     * @protected
     */
    _validateItemCompliance (item)
    {
        let itemComplies = true

        if (!this._configurationManager.getValue(OPTION_DISABLE_COMPLIANCE_VALIDATION) && this._callEventHandler(this._onBeforeCompliance, item) !== false) {
            for (let complianceFilter of this._complianceFilters) {
                if (!complianceFilter(item)) {
                    itemComplies = false
                    break
                }
            }
        }
        itemComplies ? this._callEventHandler(this._onItemShow, item) : this._callEventHandler(this._onItemHide, item)
    }

    /**
     * Initialize the script and do basic UI removals
     */
    init ()
    {
        if (this._callEventHandler(this._onValidateInit)) {

            this._configurationManager.initialize(this._scriptPrefix)

            if (this._paginator) {
                this._paginator.initialize()
            }

            this._callEventHandler(this._onBeforeUIBuild)
            this._embedUI(this._callEventHandler(this._onUIBuild))
            this._callEventHandler(this._onAfterUIBuild)

            this._configurationManager.updateInterface()

            this._validateCompliance(true)

            this._uiGen.updateStatus('Initial run completed.')

            this._callEventHandler(this._onAfterInitialization)
        }
    }
}