Traditional vs. Modern Water Filters: A Comprehensive Comparison

const SITE = (window.C_SETTINGS || window[atob('U0hPUExBWlpB')])?.routes?.root || ''; const MARKET_THEME_SETTINGS = `${SITE}/api/markets/theme_setting`; const MARKET_COUNTRIES = `${SITE}/api/markets/countries`; const IP_MATCHING_MARKET = `${SITE}/api/front/station`; const MARKET_LANGUAGES = `${SITE}/api/markets/:id/active_languages`; const URL_REDIRECT = '_market_redirected'; const COOKIE_TIPS_NAME = 'market_no_tips'; const COOKIE_TIPS_EXPIRES = 1000 * 60 * 60 * 24 * 14; const MARKET_COUNTRY_COOKIE = '_shoplazza_market_country'; const MARKET_MODAL_LOADED = '__market_modal_loaded__'; const PROPERTY_SELECTED = 'selected'; const MARKET_PC_HEADER_TRIGGER = 'market-pc-header-trigger'; const MARKET_PC_HEADER_COUNTRY_SELECT_TITLE = 'market-pc-header-country-select-title'; const MARKET_PC_HEADER_LANGUAGE_SELECT_TITLE = 'market-pc-header-language-select-title'; const MARKET_PC_HEADER_LANGUAGE_SELECT_SUB_TITLE = 'market-pc-header-language-select-sub-title'; const MARKET_PC_HEADER_COUNTRY_SELECT_SUB_TITLE = 'market-pc-header-country-select-sub-title'; const MARKET_FLAG = 'market-flag'; const MARKET_SELECT_VALUE = 'market-select-value'; const MARKET_CURRENCY = 'market-currency'; const MARKET_CURRENCY_SYMBOL = 'market-currency-symbol'; const MARKET_SELECT_ITEM = 'market-select-item'; const MARKET_SELECT_ITEM_ID = 'market-select-item-id'; const MARKET_SELECT_LIST = 'market-select-list'; const MARKET_LANGUAGE_SELECT = 'market-language-select'; const MARKET_COUNTRY_SELECT = 'market-country-select'; const MARKET_MODAL = 'market-modal'; const MARKET_GATEWAY_REDIRECT_MODAL = 'market-gateway-redirect-modal'; const MARKET_RESELECT_MODAL = 'market-reselect-modal'; const MARKET_MODAL_FLAG = 'market-modal-flag'; const MARKET_MODAL_COUNTRY_CODE = 'market-modal-country-code'; const MARKET_MODAL_CURRENCY_SYMBOL = 'market-modal-currency-symbol'; const MARKET_MODAL_CLOSE = 'market-modal-close'; const MARKET_MODAL_CONFIRM = 'market-modal-confirm'; const MARKET_MODAL_RESELECT = 'market-modal-reselect'; const MARKET_MODAL_RESELECT_COUNTRY_SELECT = 'market-modal-reselect-country-select'; const DATA_SECTION_TYPE = 'data-section-type'; const SECTION_TYPE_HEADER = 'header'; const SECTION_TYPE_FOOTER = 'footer'; class SpzCustomMarket extends SPZ.BaseElement { constructor(element) { super(element); this.global = null; this.useCountrySelect_ = false; this.useLanguageSelect_ = false; this.useModal_ = false; this.isSingleSelectMode_ = false; this.blockSectionPosition_ = ''; this.isEditMode = false; this.ipMatchingMarket = null; this.marketCountryList = []; this.marketLanguages = []; this.toast = null; } static deferredMount() { return false; } isLayoutSupported(layout) { return layout == SPZCore.Layout.LOGIC; } buildCallback() { console.debug('Geolocation'); this.xhr_ = SPZServices.xhrFor(this.win); const platform = SPZServices.platformFor(this.win); this.isIOS_ = platform.isIos(); this.action_ = SPZServices.actionServiceForDoc(this.element); this.global = this.win.C_SETTINGS || this.win[atob('U0hPUExBWlpB')]; this.isEditMode = new URLSearchParams(this.win.location.search).get('preview_theme_id') && new URLSearchParams(this.win.location.search).get('oseid'); this.init_(); } showToast_(content) { if (!this.toast) { this.toast = self.document.createElement('ljs-toast'); this.toast.setAttribute('layout', 'nodisplay'); this.toast.setAttribute('hidden', ''); this.toast.setAttribute('duration', '2000'); this.element.appendChild(this.toast); } SPZ.whenApiDefined(this.toast).then((apis) => { apis.showToast(content); }); } triggerEvent_(name, data) { const event = SPZUtils.Event.create(this.win, `${TAG}.${name}`, data); this.action_.trigger(this.element, name, event); } findBlockSectionPosition() { let current = this.element; while (current) { const dataSectionType = current.getAttribute(DATA_SECTION_TYPE); if ( dataSectionType === SECTION_TYPE_HEADER || dataSectionType === SECTION_TYPE_FOOTER ) { return dataSectionType; } current = current.parentElement; } return ''; } async initSettings_() { await this.getMarketThemeSettings_(); if (this.useCountrySelect_) { this.element.setAttribute('use-country-select', true); } if (this.useLanguageSelect_) { this.element.setAttribute('use-language-select', true); } if (this.useModal_) { this.element.setAttribute('use-modal', true); } if ( (this.useCountrySelect_ && !this.useLanguageSelect_) || (!this.useCountrySelect_ && this.useLanguageSelect_) ) { this.isSingleSelectMode_ = true; } this.blockSectionPosition_ = this.findBlockSectionPosition(); this.isPCLayout_ = this.win.matchMedia('(min-width: 960px)').matches; } renderMarketSelectTemplateNode_(clonedTemplate, data) { this.renderTemplateImg_(clonedTemplate, MARKET_FLAG, { src: data?.flag, width: '24', height: '24', }); this.renderTemplateElement_( clonedTemplate, MARKET_SELECT_VALUE, data.value ); this.renderTemplateElement_( clonedTemplate, MARKET_CURRENCY, data?.currency ); this.renderTemplateElement_( clonedTemplate, MARKET_CURRENCY_SYMBOL, data?.currencySymbol ); } bindDropdownOpenClickEvent_(triggerElement, dropdown) { if (!triggerElement) return; const triggerOpen = () => { SPZ.whenApiDefined(dropdown).then((apis) => { if (!dropdown.hasAttribute('open')) { apis.open(triggerElement); } }); }; if (this.isIOS_) { triggerElement.addEventListener('touchstart', triggerOpen); } else { triggerElement.addEventListener('click', triggerOpen); } } createDropdown_() { const dropdown = self.document.createElement('ljs-dropdown'); dropdown.setAttribute('layout', 'nodisplay'); if (this.blockSectionPosition_ === 'header') { dropdown.setAttribute('overlay-style', 'top: 4px;'); dropdown.setAttribute('placement', 'bottomRight'); } else if (this.blockSectionPosition_ === 'footer') { dropdown.setAttribute('overlay-style', 'top: -4px;'); dropdown.setAttribute('placement', 'top'); } return dropdown; } createDropdownIcon_() { const svgElement = document.createElementNS("http://www.w3.org/2000/svg", "svg"); svgElement.setAttribute("class", "market-rotate-180"); svgElement.setAttribute("width", "16"); svgElement.setAttribute("height", "16"); const path1 = document.createElementNS("http://www.w3.org/2000/svg", "path"); path1.setAttribute("d", "M7.47 5.172a.75.75 0 0 1 1.06 0l4.596 4.596a.75.75 0 1 1-1.06 1.06L7.468 6.232a.75.75 0 0 1 0-1.06Z"); path1.setAttribute("fill", "currentColor"); const path2 = document.createElementNS("http://www.w3.org/2000/svg", "path"); path2.setAttribute("d", "M8.533 5.172a.75.75 0 0 1 0 1.06l-4.596 4.596a.75.75 0 1 1-1.061-1.06l4.596-4.596a.75.75 0 0 1 1.06 0Z"); path2.setAttribute("fill", "currentColor"); svgElement.appendChild(path1); svgElement.appendChild(path2); return svgElement; } renderDropdownListWithClickEvent_({ triggerElement, dataList, subTitleRole, listElementWithTemplate, defaultValue, itemHandler, shouldUpdateSelectedItem = false, }) { const dropdown = this.createDropdown_(); const itemTemplate = SPZCore.Dom.scopedQuerySelector( listElementWithTemplate, 'template' ); const clonedItemTemplate = itemTemplate.cloneNode(true); const fragment = self.document.createDocumentFragment(); dataList.forEach((data) => { const tempParentNode = self.document.createElement('div'); const clonedTemplate = self.document.importNode( clonedItemTemplate.content, true ); tempParentNode.appendChild(clonedTemplate); tempParentNode.firstElementChild.classList.add( 'market-select-item' ); this.renderMarketSelectTemplateNode_(tempParentNode, data); const selectItemElement = SPZCore.Dom.scopedQuerySelector( tempParentNode, `[role="${MARKET_SELECT_ITEM}"]` ); if (!selectItemElement) { return; } if (defaultValue === data.value) { if (shouldUpdateSelectedItem) { const clonedSelectItemElement = selectItemElement.cloneNode(true); triggerElement.replaceChild( clonedSelectItemElement, triggerElement.firstElementChild ); } selectItemElement.setAttribute(PROPERTY_SELECTED, ''); } selectItemElement.setAttribute(MARKET_SELECT_ITEM_ID, data.value); fragment.appendChild(tempParentNode.firstElementChild); }); let value = defaultValue; listElementWithTemplate.addEventListener( 'click', (e) => { if (this.isEditMode) { this.showToast_('编辑器下不支持切换国家'); SPZ.whenApiDefined(dropdown).then((apis) => { apis.close(); }); return; } let targetElement = e.target; while (targetElement) { if ( !targetElement || targetElement.getAttribute(MARKET_SELECT_ITEM_ID) ) { break; } targetElement = targetElement.parentNode; } if ( !targetElement || !targetElement.hasAttribute(MARKET_SELECT_ITEM_ID) ) { return; } const selectValue = targetElement.getAttribute(MARKET_SELECT_ITEM_ID); if (value === selectValue) { SPZ.whenApiDefined(dropdown).then((apis) => { apis.close(); }); return; } const selectedData = dataList.find((c) => c.value === selectValue); if (shouldUpdateSelectedItem) { const tempParentNode = self.document.createElement('div'); const clonedTemplate = self.document.importNode( clonedItemTemplate.content, true ); tempParentNode.appendChild(clonedTemplate); this.renderMarketSelectTemplateNode_(tempParentNode, selectedData); tempParentNode.firstElementChild.classList.add( 'market-select-item' ); triggerElement.replaceChild( tempParentNode.firstElementChild, triggerElement.firstElementChild ); } value = selectValue; itemHandler?.(selectedData); SPZ.whenApiDefined(dropdown).then((apis) => { apis.close(); }); }, false ); listElementWithTemplate.removeChild(itemTemplate); listElementWithTemplate.appendChild(fragment); listElementWithTemplate.classList.add('market-select-list'); dropdown.appendChild(listElementWithTemplate); if (subTitleRole) { this.renderSelectTitle_(dropdown, subTitleRole); } return dropdown; } createSelect_({ parent, defaultValue, dataList, listElementWithTemplate, itemHandler, titleRole, }) { const triggerElement = self.document.createElement('div'); triggerElement.classList.add('market-select'); const displayElement = self.document.createElement('div'); triggerElement.appendChild(displayElement); triggerElement.appendChild(this.createDropdownIcon_()); const dropdown = this.renderDropdownListWithClickEvent_({ triggerElement, dataList, listElementWithTemplate, defaultValue, itemHandler, shouldUpdateSelectedItem: true, }); this.bindDropdownOpenClickEvent_(triggerElement, dropdown); const dropdownContainer = self.document.createElement('div'); dropdownContainer.appendChild(triggerElement); dropdownContainer.appendChild(dropdown); dropdownContainer.classList.add('market-select-container'); this.renderSelectTitle_(dropdownContainer, titleRole); parent.appendChild(dropdownContainer); } getListElementWithTemplate_(role) { const template = SPZCore.Dom.scopedQuerySelector( this.element, `[role="${role}"]` ); if (template) { const clonedTemplate = template.cloneNode(true); const tempParent = self.document.createElement("div"); tempParent.appendChild(clonedTemplate.content); const listElementWithTemplate = SPZCore.Dom.scopedQuerySelector( tempParent, `[role="${MARKET_SELECT_LIST}"]` ); return listElementWithTemplate; } return null; } renderSelectTitle_(parent, role) { if (!parent || !role) { return; } const template = SPZCore.Dom.scopedQuerySelector( this.element, `[role="${role}"]` ); const content = self.document.importNode(template.content, true); parent.insertBefore(content, parent.firstElementChild); parent.firstElementChild.classList.add( role.includes('sub') ? 'market-pc-header-select-sub-title' : 'market-pc-header-select-title' ); } initSelect_(rootNode, options) { const parent = rootNode || this.element; if (this.useCountrySelect_) { this.createSelect_({ parent, titleRole: options?.shouldRenderSelectTitle ? MARKET_PC_HEADER_COUNTRY_SELECT_TITLE : undefined, defaultValue: this.getDefaultCountryValue_(), dataList: this.marketCountryList.map(this.mapCountryRenderData_), listElementWithTemplate: this.getListElementWithTemplate_( MARKET_COUNTRY_SELECT ), itemHandler: this.handleCountrySelectChange_.bind(this), }); } if (this.useLanguageSelect_) { this.createSelect_({ parent, titleRole: options?.shouldRenderSelectTitle ? MARKET_PC_HEADER_LANGUAGE_SELECT_TITLE : undefined, defaultValue: this.getDefaultLanguageValue_(), dataList: this.marketLanguages.map(this.mapLanguageRenderData_), listElementWithTemplate: this.getListElementWithTemplate_( MARKET_LANGUAGE_SELECT ), itemHandler: this.handleLanguageSelectChange_.bind(this), }); } } initPcHeaderTriggerElement() { const headerTriggerElementTemplate = SPZCore.Dom.scopedQuerySelector( this.element, `[role="${MARKET_PC_HEADER_TRIGGER}"]` ); const headerTriggerElement = self.document.importNode( headerTriggerElementTemplate.content, true ); const parentDivElement = self.document.createElement('div'); parentDivElement.setAttribute('role', MARKET_PC_HEADER_TRIGGER); parentDivElement.appendChild(headerTriggerElement); this.element.removeChild(headerTriggerElementTemplate); return parentDivElement; } initPanelWithSelect_() { const triggerElement = this.initPcHeaderTriggerElement(); const dropdown = this.createDropdown_(); const panelElement = self.document.createElement('div'); panelElement.classList.add('market-panel'); this.initSelect_(panelElement, {shouldRenderSelectTitle: true}); dropdown.appendChild(panelElement); this.bindDropdownOpenClickEvent_(triggerElement, dropdown); this.element.appendChild(triggerElement); this.element.insertBefore(dropdown, triggerElement); } initSingleSelectDropdown_() { const triggerElement = this.initPcHeaderTriggerElement(); let dropdown; if (this.useCountrySelect_) { dropdown = this.renderDropdownListWithClickEvent_({ triggerElement, subTitleRole: MARKET_PC_HEADER_COUNTRY_SELECT_SUB_TITLE, dataList: this.marketCountryList.map(this.mapCountryRenderData_), listElementWithTemplate: this.getListElementWithTemplate_( MARKET_COUNTRY_SELECT ), defaultValue: this.getDefaultCountryValue_(), itemHandler: this.handleCountrySelectChange_.bind(this), }); } else if (this.useLanguageSelect_) { dropdown = this.renderDropdownListWithClickEvent_({ triggerElement, subTitleRole: MARKET_PC_HEADER_LANGUAGE_SELECT_SUB_TITLE, dataList: this.marketLanguages.map(this.mapLanguageRenderData_), listElementWithTemplate: this.getListElementWithTemplate_( MARKET_LANGUAGE_SELECT ), defaultValue: this.getDefaultLanguageValue_(), itemHandler: this.handleLanguageSelectChange_.bind(this), }); } if (dropdown) { this.bindDropdownOpenClickEvent_(triggerElement, dropdown); this.element.appendChild(triggerElement); this.element.appendChild(dropdown); } } initEntry_() { if (this.blockSectionPosition_ === SECTION_TYPE_HEADER) { if (this.isSingleSelectMode_) { this.initSingleSelectDropdown_(); } else if (this.useCountrySelect_ && this.useLanguageSelect_) { this.initPanelWithSelect_(); } } this.initSelect_(this.element); } async initData_() { const promises = []; if (this.useCountrySelect_ || this.useModal_) { promises.push(this.getCountryList_(), this.getIpMatchingMarket_()); } if (this.useLanguageSelect_) { promises.push(this.getMarketLanguages_(this.global.market.market_id)); } return Promise.all(promises).then((results) => { const ipMatchingMarket = results.find((result) => result.hasOwnProperty('matching_station') ); const marketCountryList = results.find((result) => result.hasOwnProperty('data') ); if (ipMatchingMarket && marketCountryList) { this.ipMatchingMarket = ipMatchingMarket?.matching_station?.find?.( (item) => item.type === 'multiple_market' ) || { img: marketCountryList.length ? marketCountryList?.[0]?.detail && marketCountryList[0].detail?.flag : '', }; } }); } initModal_() { if ( this.isEditMode || !this.ipMatchingMarket?.market_id || !this.useModal_ || this.hasCookie_(COOKIE_TIPS_NAME) || this.win[MARKET_MODAL_LOADED] ) { return; } this.win[MARKET_MODAL_LOADED] = true; const redirectParam = new URLSearchParams(this.win.location.search).get( URL_REDIRECT ); if (redirectParam) { this.initModalEntry_(MARKET_GATEWAY_REDIRECT_MODAL); } else if ( this.ipMatchingMarket.market_id !== this.global?.market?.market_id ) { this.initModalEntry_(MARKET_MODAL); } } async init_() { await this.initSettings_(); await this.initData_(); this.initEntry_(); this.initModal_(); } getDefaultCountryValue_() { return this.getCookie_(MARKET_COUNTRY_COOKIE) || this.marketCountryList[0]?.country_code; } mapCountryRenderData_(country) { return { flag: country?.detail?.flag || '', value: country?.country_code, currency: country?.currency, currencySymbol: country?.symbol?.val || '', url: country?.url, }; } handleCountrySelectChange_(selectedData) { this.setCookie_(MARKET_COUNTRY_COOKIE, selectedData.value); this.handleChangeURL_(selectedData.url); } getDefaultLanguageValue_() { return this.marketLanguages?.find?.( (lang) => lang.code === this.global?.market?.market_lang )?.name; } mapLanguageRenderData_(language) { return { value: language.name, url: language.url, }; } handleLanguageSelectChange_(selectedData) { this.handleChangeURL_(selectedData.url); } renderTemplateElement_(parent, role, value) { const elements = SPZCore.Dom.scopedQuerySelectorAll( parent, `[role="${role}"]` ); elements.forEach((element) => { if (element && value) { element.innerHTML = value; } }); } renderTemplateImg_(parent, role, options) { const flagElement = SPZCore.Dom.scopedQuerySelector( parent, `[role="${role}"]` ); if (flagElement && options?.src && options?.height && options?.width) { const spzImg = self.document.createElement('ljs-img'); spzImg.setAttribute('src', options.src); spzImg.setAttribute('layout', 'responsive'); spzImg.setAttribute('width', options.width); spzImg.setAttribute('height', options.height); spzImg.setAttribute( 'style', `width: ${options.width}px; height: ${options.height}px;` ); flagElement.appendChild(spzImg); } } handleChangeURL_(url) { if (!!url) { let {origin, pathname, search} = this.win.location; pathname = pathname.replace(SITE, url != '/' ? url : ''); this.win.location.href = `${origin}${pathname}${search}`; } else { this.win.location.reload(true); } } initModalEntry_(role) { const marketModalTemplate = SPZCore.Dom.scopedQuerySelector( this.element, `[role="${role}"]` ); if (marketModalTemplate) { const tempParentNode = self.document.createElement('div'); const clonedTemplate = self.document.importNode( marketModalTemplate.content, true ); tempParentNode.appendChild(clonedTemplate); this.renderTemplateImg_(tempParentNode, MARKET_MODAL_FLAG, { src: this.ipMatchingMarket?.img, width: '80', height: '80', }); this.renderTemplateElement_( tempParentNode, MARKET_MODAL_COUNTRY_CODE, this.ipMatchingMarket?.name ); this.renderTemplateElement_( tempParentNode, MARKET_MODAL_CURRENCY_SYMBOL, this.ipMatchingMarket?.currency_with_symbol ); const lightbox = self.document.createElement('ljs-lightbox'); lightbox.setAttribute('layout', 'nodisplay'); lightbox.appendChild(tempParentNode.firstElementChild); self.document.body.appendChild(lightbox); SPZ.whenApiDefined(lightbox).then((apis) => { SPZCore.Dom.scopedQuerySelectorAll( lightbox, `[role="${MARKET_MODAL_CLOSE}"]` ).forEach((ele) => { ele.addEventListener('click', () => { this.setCookie_(COOKIE_TIPS_NAME, 1, COOKIE_TIPS_EXPIRES); apis.close(); }); }); const marketModalConfirmElement = SPZCore.Dom.scopedQuerySelector( lightbox, `[role="${MARKET_MODAL_CONFIRM}"]` ); if (marketModalConfirmElement && this.ipMatchingMarket?.url) { marketModalConfirmElement.addEventListener('click', () => { this.setCookie_(COOKIE_TIPS_NAME, 1, COOKIE_TIPS_EXPIRES); this.setCookie_(MARKET_COUNTRY_COOKIE, this.ipMatchingMarket?.name); this.handleChangeURL_(this.ipMatchingMarket?.url); }); } const marketModalReselectElement = SPZCore.Dom.scopedQuerySelector( lightbox, `[role="${MARKET_MODAL_RESELECT}"]` ); if (marketModalReselectElement) { marketModalReselectElement.addEventListener('click', () => { this.setCookie_(COOKIE_TIPS_NAME, 1, COOKIE_TIPS_EXPIRES); const marketReselectTemplate = SPZCore.Dom.scopedQuerySelector( this.element, `[role="${MARKET_RESELECT_MODAL}"]` ); if (marketReselectTemplate && lightbox.firstElementChild) { const clonedTemplate = self.document.importNode( marketReselectTemplate.content, true ); const selectParent = SPZCore.Dom.scopedQuerySelector( clonedTemplate, `[role="${MARKET_MODAL_RESELECT_COUNTRY_SELECT}"]` ); if (selectParent) { this.createSelect_({ parent: selectParent, defaultValue: this.getDefaultCountryValue_(), dataList: this.marketCountryList.map( this.mapCountryRenderData_ ), listElementWithTemplate: this.getListElementWithTemplate_( MARKET_COUNTRY_SELECT ), itemHandler: this.handleCountrySelectChange_.bind(this), }); } lightbox.replaceChild(clonedTemplate, lightbox.firstElementChild); SPZCore.Dom.scopedQuerySelectorAll( lightbox, `[role="${MARKET_MODAL_CLOSE}"]` ).forEach((ele) => { ele.addEventListener('click', () => { this.setCookie_(COOKIE_TIPS_NAME, 1, COOKIE_TIPS_EXPIRES); apis.close(); }); }); } }); } apis.open(); }); } } async getMarketThemeSettings_() { return this.xhr_.fetchJson(MARKET_THEME_SETTINGS).then((res) => { this.useCountrySelect_ = !!res.country_selector_enabled; this.useLanguageSelect_ = !!res.language_selector_enabled && this.global?.market?.market_id; this.useModal_ = !!res.redirect_pop_enabled; return res; }); } async getCountryList_() { return this.xhr_.fetchJson(MARKET_COUNTRIES).then((res) => { this.marketCountryList = res.data.length ? res.data : []; return res; }); } async getIpMatchingMarket_() { return this.xhr_.fetchJson(IP_MATCHING_MARKET, { method: 'POST', body: { stations: [], }, }); } async getMarketLanguages_(marketId) { return this.xhr_ .fetchJson(MARKET_LANGUAGES.replace(/:id/gim, marketId)) .then((res) => { this.marketLanguages = res?.languages?.length ? res.languages : []; return res; }); } hasCookie_(name) { const m = self.document.cookie .split(';') .filter((pair) => pair.trim().startsWith(name + '=')); return !!(m && m[0]); } getCookie_(name) { const m = self.document.cookie .split(';') .filter((pair) => pair.trim().startsWith(name + '=')); return m && m[0] ? m[0].split('=')[1] : null; } setCookie_(name, value, expires) { const expiresDate = new Date(Date.now() + expires).toGMTString(); self.document.cookie = `${name}=${encodeURIComponent( value )};expires=${expiresDate};path=/`; } } SPZ.defineElement('spz-custom-market', SpzCustomMarket);

const SITE = (window.C_SETTINGS || window[atob('U0hPUExBWlpB')])?.routes?.root || ''; const MARKET_THEME_SETTINGS = `${SITE}/api/markets/theme_setting`; const MARKET_COUNTRIES = `${SITE}/api/markets/countries`; const IP_MATCHING_MARKET = `${SITE}/api/front/station`; const MARKET_LANGUAGES = `${SITE}/api/markets/:id/active_languages`; const URL_REDIRECT = '_market_redirected'; const COOKIE_TIPS_NAME = 'market_no_tips'; const COOKIE_TIPS_EXPIRES = 1000 * 60 * 60 * 24 * 14; const MARKET_COUNTRY_COOKIE = '_shoplazza_market_country'; const MARKET_MODAL_LOADED = '__market_modal_loaded__'; const PROPERTY_SELECTED = 'selected'; const MARKET_PC_HEADER_TRIGGER = 'market-pc-header-trigger'; const MARKET_PC_HEADER_COUNTRY_SELECT_TITLE = 'market-pc-header-country-select-title'; const MARKET_PC_HEADER_LANGUAGE_SELECT_TITLE = 'market-pc-header-language-select-title'; const MARKET_PC_HEADER_LANGUAGE_SELECT_SUB_TITLE = 'market-pc-header-language-select-sub-title'; const MARKET_PC_HEADER_COUNTRY_SELECT_SUB_TITLE = 'market-pc-header-country-select-sub-title'; const MARKET_FLAG = 'market-flag'; const MARKET_SELECT_VALUE = 'market-select-value'; const MARKET_CURRENCY = 'market-currency'; const MARKET_CURRENCY_SYMBOL = 'market-currency-symbol'; const MARKET_SELECT_ITEM = 'market-select-item'; const MARKET_SELECT_ITEM_ID = 'market-select-item-id'; const MARKET_SELECT_LIST = 'market-select-list'; const MARKET_LANGUAGE_SELECT = 'market-language-select'; const MARKET_COUNTRY_SELECT = 'market-country-select'; const MARKET_MODAL = 'market-modal'; const MARKET_GATEWAY_REDIRECT_MODAL = 'market-gateway-redirect-modal'; const MARKET_RESELECT_MODAL = 'market-reselect-modal'; const MARKET_MODAL_FLAG = 'market-modal-flag'; const MARKET_MODAL_COUNTRY_CODE = 'market-modal-country-code'; const MARKET_MODAL_CURRENCY_SYMBOL = 'market-modal-currency-symbol'; const MARKET_MODAL_CLOSE = 'market-modal-close'; const MARKET_MODAL_CONFIRM = 'market-modal-confirm'; const MARKET_MODAL_RESELECT = 'market-modal-reselect'; const MARKET_MODAL_RESELECT_COUNTRY_SELECT = 'market-modal-reselect-country-select'; const DATA_SECTION_TYPE = 'data-section-type'; const SECTION_TYPE_HEADER = 'header'; const SECTION_TYPE_FOOTER = 'footer'; class SpzCustomMarket extends SPZ.BaseElement { constructor(element) { super(element); this.global = null; this.useCountrySelect_ = false; this.useLanguageSelect_ = false; this.useModal_ = false; this.isSingleSelectMode_ = false; this.blockSectionPosition_ = ''; this.isEditMode = false; this.ipMatchingMarket = null; this.marketCountryList = []; this.marketLanguages = []; this.toast = null; } static deferredMount() { return false; } isLayoutSupported(layout) { return layout == SPZCore.Layout.LOGIC; } buildCallback() { console.debug('Geolocation'); this.xhr_ = SPZServices.xhrFor(this.win); const platform = SPZServices.platformFor(this.win); this.isIOS_ = platform.isIos(); this.action_ = SPZServices.actionServiceForDoc(this.element); this.global = this.win.C_SETTINGS || this.win[atob('U0hPUExBWlpB')]; this.isEditMode = new URLSearchParams(this.win.location.search).get('preview_theme_id') && new URLSearchParams(this.win.location.search).get('oseid'); this.init_(); } showToast_(content) { if (!this.toast) { this.toast = self.document.createElement('ljs-toast'); this.toast.setAttribute('layout', 'nodisplay'); this.toast.setAttribute('hidden', ''); this.toast.setAttribute('duration', '2000'); this.element.appendChild(this.toast); } SPZ.whenApiDefined(this.toast).then((apis) => { apis.showToast(content); }); } triggerEvent_(name, data) { const event = SPZUtils.Event.create(this.win, `${TAG}.${name}`, data); this.action_.trigger(this.element, name, event); } findBlockSectionPosition() { let current = this.element; while (current) { const dataSectionType = current.getAttribute(DATA_SECTION_TYPE); if ( dataSectionType === SECTION_TYPE_HEADER || dataSectionType === SECTION_TYPE_FOOTER ) { return dataSectionType; } current = current.parentElement; } return ''; } async initSettings_() { await this.getMarketThemeSettings_(); if (this.useCountrySelect_) { this.element.setAttribute('use-country-select', true); } if (this.useLanguageSelect_) { this.element.setAttribute('use-language-select', true); } if (this.useModal_) { this.element.setAttribute('use-modal', true); } if ( (this.useCountrySelect_ && !this.useLanguageSelect_) || (!this.useCountrySelect_ && this.useLanguageSelect_) ) { this.isSingleSelectMode_ = true; } this.blockSectionPosition_ = this.findBlockSectionPosition(); this.isPCLayout_ = this.win.matchMedia('(min-width: 960px)').matches; } renderMarketSelectTemplateNode_(clonedTemplate, data) { this.renderTemplateImg_(clonedTemplate, MARKET_FLAG, { src: data?.flag, width: '24', height: '24', }); this.renderTemplateElement_( clonedTemplate, MARKET_SELECT_VALUE, data.value ); this.renderTemplateElement_( clonedTemplate, MARKET_CURRENCY, data?.currency ); this.renderTemplateElement_( clonedTemplate, MARKET_CURRENCY_SYMBOL, data?.currencySymbol ); } bindDropdownOpenClickEvent_(triggerElement, dropdown) { if (!triggerElement) return; const triggerOpen = () => { SPZ.whenApiDefined(dropdown).then((apis) => { if (!dropdown.hasAttribute('open')) { apis.open(triggerElement); } }); }; if (this.isIOS_) { triggerElement.addEventListener('touchstart', triggerOpen); } else { triggerElement.addEventListener('click', triggerOpen); } } createDropdown_() { const dropdown = self.document.createElement('ljs-dropdown'); dropdown.setAttribute('layout', 'nodisplay'); if (this.blockSectionPosition_ === 'header') { dropdown.setAttribute('overlay-style', 'top: 4px;'); dropdown.setAttribute('placement', 'bottomRight'); } else if (this.blockSectionPosition_ === 'footer') { dropdown.setAttribute('overlay-style', 'top: -4px;'); dropdown.setAttribute('placement', 'top'); } return dropdown; } createDropdownIcon_() { const svgElement = document.createElementNS("http://www.w3.org/2000/svg", "svg"); svgElement.setAttribute("class", "market-rotate-180"); svgElement.setAttribute("width", "16"); svgElement.setAttribute("height", "16"); const path1 = document.createElementNS("http://www.w3.org/2000/svg", "path"); path1.setAttribute("d", "M7.47 5.172a.75.75 0 0 1 1.06 0l4.596 4.596a.75.75 0 1 1-1.06 1.06L7.468 6.232a.75.75 0 0 1 0-1.06Z"); path1.setAttribute("fill", "currentColor"); const path2 = document.createElementNS("http://www.w3.org/2000/svg", "path"); path2.setAttribute("d", "M8.533 5.172a.75.75 0 0 1 0 1.06l-4.596 4.596a.75.75 0 1 1-1.061-1.06l4.596-4.596a.75.75 0 0 1 1.06 0Z"); path2.setAttribute("fill", "currentColor"); svgElement.appendChild(path1); svgElement.appendChild(path2); return svgElement; } renderDropdownListWithClickEvent_({ triggerElement, dataList, subTitleRole, listElementWithTemplate, defaultValue, itemHandler, shouldUpdateSelectedItem = false, }) { const dropdown = this.createDropdown_(); const itemTemplate = SPZCore.Dom.scopedQuerySelector( listElementWithTemplate, 'template' ); const clonedItemTemplate = itemTemplate.cloneNode(true); const fragment = self.document.createDocumentFragment(); dataList.forEach((data) => { const tempParentNode = self.document.createElement('div'); const clonedTemplate = self.document.importNode( clonedItemTemplate.content, true ); tempParentNode.appendChild(clonedTemplate); tempParentNode.firstElementChild.classList.add( 'market-select-item' ); this.renderMarketSelectTemplateNode_(tempParentNode, data); const selectItemElement = SPZCore.Dom.scopedQuerySelector( tempParentNode, `[role="${MARKET_SELECT_ITEM}"]` ); if (!selectItemElement) { return; } if (defaultValue === data.value) { if (shouldUpdateSelectedItem) { const clonedSelectItemElement = selectItemElement.cloneNode(true); triggerElement.replaceChild( clonedSelectItemElement, triggerElement.firstElementChild ); } selectItemElement.setAttribute(PROPERTY_SELECTED, ''); } selectItemElement.setAttribute(MARKET_SELECT_ITEM_ID, data.value); fragment.appendChild(tempParentNode.firstElementChild); }); let value = defaultValue; listElementWithTemplate.addEventListener( 'click', (e) => { if (this.isEditMode) { this.showToast_('编辑器下不支持切换国家'); SPZ.whenApiDefined(dropdown).then((apis) => { apis.close(); }); return; } let targetElement = e.target; while (targetElement) { if ( !targetElement || targetElement.getAttribute(MARKET_SELECT_ITEM_ID) ) { break; } targetElement = targetElement.parentNode; } if ( !targetElement || !targetElement.hasAttribute(MARKET_SELECT_ITEM_ID) ) { return; } const selectValue = targetElement.getAttribute(MARKET_SELECT_ITEM_ID); if (value === selectValue) { SPZ.whenApiDefined(dropdown).then((apis) => { apis.close(); }); return; } const selectedData = dataList.find((c) => c.value === selectValue); if (shouldUpdateSelectedItem) { const tempParentNode = self.document.createElement('div'); const clonedTemplate = self.document.importNode( clonedItemTemplate.content, true ); tempParentNode.appendChild(clonedTemplate); this.renderMarketSelectTemplateNode_(tempParentNode, selectedData); tempParentNode.firstElementChild.classList.add( 'market-select-item' ); triggerElement.replaceChild( tempParentNode.firstElementChild, triggerElement.firstElementChild ); } value = selectValue; itemHandler?.(selectedData); SPZ.whenApiDefined(dropdown).then((apis) => { apis.close(); }); }, false ); listElementWithTemplate.removeChild(itemTemplate); listElementWithTemplate.appendChild(fragment); listElementWithTemplate.classList.add('market-select-list'); dropdown.appendChild(listElementWithTemplate); if (subTitleRole) { this.renderSelectTitle_(dropdown, subTitleRole); } return dropdown; } createSelect_({ parent, defaultValue, dataList, listElementWithTemplate, itemHandler, titleRole, }) { const triggerElement = self.document.createElement('div'); triggerElement.classList.add('market-select'); const displayElement = self.document.createElement('div'); triggerElement.appendChild(displayElement); triggerElement.appendChild(this.createDropdownIcon_()); const dropdown = this.renderDropdownListWithClickEvent_({ triggerElement, dataList, listElementWithTemplate, defaultValue, itemHandler, shouldUpdateSelectedItem: true, }); this.bindDropdownOpenClickEvent_(triggerElement, dropdown); const dropdownContainer = self.document.createElement('div'); dropdownContainer.appendChild(triggerElement); dropdownContainer.appendChild(dropdown); dropdownContainer.classList.add('market-select-container'); this.renderSelectTitle_(dropdownContainer, titleRole); parent.appendChild(dropdownContainer); } getListElementWithTemplate_(role) { const template = SPZCore.Dom.scopedQuerySelector( this.element, `[role="${role}"]` ); if (template) { const clonedTemplate = template.cloneNode(true); const tempParent = self.document.createElement("div"); tempParent.appendChild(clonedTemplate.content); const listElementWithTemplate = SPZCore.Dom.scopedQuerySelector( tempParent, `[role="${MARKET_SELECT_LIST}"]` ); return listElementWithTemplate; } return null; } renderSelectTitle_(parent, role) { if (!parent || !role) { return; } const template = SPZCore.Dom.scopedQuerySelector( this.element, `[role="${role}"]` ); const content = self.document.importNode(template.content, true); parent.insertBefore(content, parent.firstElementChild); parent.firstElementChild.classList.add( role.includes('sub') ? 'market-pc-header-select-sub-title' : 'market-pc-header-select-title' ); } initSelect_(rootNode, options) { const parent = rootNode || this.element; if (this.useCountrySelect_) { this.createSelect_({ parent, titleRole: options?.shouldRenderSelectTitle ? MARKET_PC_HEADER_COUNTRY_SELECT_TITLE : undefined, defaultValue: this.getDefaultCountryValue_(), dataList: this.marketCountryList.map(this.mapCountryRenderData_), listElementWithTemplate: this.getListElementWithTemplate_( MARKET_COUNTRY_SELECT ), itemHandler: this.handleCountrySelectChange_.bind(this), }); } if (this.useLanguageSelect_) { this.createSelect_({ parent, titleRole: options?.shouldRenderSelectTitle ? MARKET_PC_HEADER_LANGUAGE_SELECT_TITLE : undefined, defaultValue: this.getDefaultLanguageValue_(), dataList: this.marketLanguages.map(this.mapLanguageRenderData_), listElementWithTemplate: this.getListElementWithTemplate_( MARKET_LANGUAGE_SELECT ), itemHandler: this.handleLanguageSelectChange_.bind(this), }); } } initPcHeaderTriggerElement() { const headerTriggerElementTemplate = SPZCore.Dom.scopedQuerySelector( this.element, `[role="${MARKET_PC_HEADER_TRIGGER}"]` ); const headerTriggerElement = self.document.importNode( headerTriggerElementTemplate.content, true ); const parentDivElement = self.document.createElement('div'); parentDivElement.setAttribute('role', MARKET_PC_HEADER_TRIGGER); parentDivElement.appendChild(headerTriggerElement); this.element.removeChild(headerTriggerElementTemplate); return parentDivElement; } initPanelWithSelect_() { const triggerElement = this.initPcHeaderTriggerElement(); const dropdown = this.createDropdown_(); const panelElement = self.document.createElement('div'); panelElement.classList.add('market-panel'); this.initSelect_(panelElement, {shouldRenderSelectTitle: true}); dropdown.appendChild(panelElement); this.bindDropdownOpenClickEvent_(triggerElement, dropdown); this.element.appendChild(triggerElement); this.element.insertBefore(dropdown, triggerElement); } initSingleSelectDropdown_() { const triggerElement = this.initPcHeaderTriggerElement(); let dropdown; if (this.useCountrySelect_) { dropdown = this.renderDropdownListWithClickEvent_({ triggerElement, subTitleRole: MARKET_PC_HEADER_COUNTRY_SELECT_SUB_TITLE, dataList: this.marketCountryList.map(this.mapCountryRenderData_), listElementWithTemplate: this.getListElementWithTemplate_( MARKET_COUNTRY_SELECT ), defaultValue: this.getDefaultCountryValue_(), itemHandler: this.handleCountrySelectChange_.bind(this), }); } else if (this.useLanguageSelect_) { dropdown = this.renderDropdownListWithClickEvent_({ triggerElement, subTitleRole: MARKET_PC_HEADER_LANGUAGE_SELECT_SUB_TITLE, dataList: this.marketLanguages.map(this.mapLanguageRenderData_), listElementWithTemplate: this.getListElementWithTemplate_( MARKET_LANGUAGE_SELECT ), defaultValue: this.getDefaultLanguageValue_(), itemHandler: this.handleLanguageSelectChange_.bind(this), }); } if (dropdown) { this.bindDropdownOpenClickEvent_(triggerElement, dropdown); this.element.appendChild(triggerElement); this.element.appendChild(dropdown); } } initEntry_() { if (this.blockSectionPosition_ === SECTION_TYPE_HEADER) { if (this.isSingleSelectMode_) { this.initSingleSelectDropdown_(); } else if (this.useCountrySelect_ && this.useLanguageSelect_) { this.initPanelWithSelect_(); } } this.initSelect_(this.element); } async initData_() { const promises = []; if (this.useCountrySelect_ || this.useModal_) { promises.push(this.getCountryList_(), this.getIpMatchingMarket_()); } if (this.useLanguageSelect_) { promises.push(this.getMarketLanguages_(this.global.market.market_id)); } return Promise.all(promises).then((results) => { const ipMatchingMarket = results.find((result) => result.hasOwnProperty('matching_station') ); const marketCountryList = results.find((result) => result.hasOwnProperty('data') ); if (ipMatchingMarket && marketCountryList) { this.ipMatchingMarket = ipMatchingMarket?.matching_station?.find?.( (item) => item.type === 'multiple_market' ) || { img: marketCountryList.length ? marketCountryList?.[0]?.detail && marketCountryList[0].detail?.flag : '', }; } }); } initModal_() { if ( this.isEditMode || !this.ipMatchingMarket?.market_id || !this.useModal_ || this.hasCookie_(COOKIE_TIPS_NAME) || this.win[MARKET_MODAL_LOADED] ) { return; } this.win[MARKET_MODAL_LOADED] = true; const redirectParam = new URLSearchParams(this.win.location.search).get( URL_REDIRECT ); if (redirectParam) { this.initModalEntry_(MARKET_GATEWAY_REDIRECT_MODAL); } else if ( this.ipMatchingMarket.market_id !== this.global?.market?.market_id ) { this.initModalEntry_(MARKET_MODAL); } } async init_() { await this.initSettings_(); await this.initData_(); this.initEntry_(); this.initModal_(); } getDefaultCountryValue_() { return this.getCookie_(MARKET_COUNTRY_COOKIE) || this.marketCountryList[0]?.country_code; } mapCountryRenderData_(country) { return { flag: country?.detail?.flag || '', value: country?.country_code, currency: country?.currency, currencySymbol: country?.symbol?.val || '', url: country?.url, }; } handleCountrySelectChange_(selectedData) { this.setCookie_(MARKET_COUNTRY_COOKIE, selectedData.value); this.handleChangeURL_(selectedData.url); } getDefaultLanguageValue_() { return this.marketLanguages?.find?.( (lang) => lang.code === this.global?.market?.market_lang )?.name; } mapLanguageRenderData_(language) { return { value: language.name, url: language.url, }; } handleLanguageSelectChange_(selectedData) { this.handleChangeURL_(selectedData.url); } renderTemplateElement_(parent, role, value) { const elements = SPZCore.Dom.scopedQuerySelectorAll( parent, `[role="${role}"]` ); elements.forEach((element) => { if (element && value) { element.innerHTML = value; } }); } renderTemplateImg_(parent, role, options) { const flagElement = SPZCore.Dom.scopedQuerySelector( parent, `[role="${role}"]` ); if (flagElement && options?.src && options?.height && options?.width) { const spzImg = self.document.createElement('ljs-img'); spzImg.setAttribute('src', options.src); spzImg.setAttribute('layout', 'responsive'); spzImg.setAttribute('width', options.width); spzImg.setAttribute('height', options.height); spzImg.setAttribute( 'style', `width: ${options.width}px; height: ${options.height}px;` ); flagElement.appendChild(spzImg); } } handleChangeURL_(url) { if (!!url) { let {origin, pathname, search} = this.win.location; pathname = pathname.replace(SITE, url != '/' ? url : ''); this.win.location.href = `${origin}${pathname}${search}`; } else { this.win.location.reload(true); } } initModalEntry_(role) { const marketModalTemplate = SPZCore.Dom.scopedQuerySelector( this.element, `[role="${role}"]` ); if (marketModalTemplate) { const tempParentNode = self.document.createElement('div'); const clonedTemplate = self.document.importNode( marketModalTemplate.content, true ); tempParentNode.appendChild(clonedTemplate); this.renderTemplateImg_(tempParentNode, MARKET_MODAL_FLAG, { src: this.ipMatchingMarket?.img, width: '80', height: '80', }); this.renderTemplateElement_( tempParentNode, MARKET_MODAL_COUNTRY_CODE, this.ipMatchingMarket?.name ); this.renderTemplateElement_( tempParentNode, MARKET_MODAL_CURRENCY_SYMBOL, this.ipMatchingMarket?.currency_with_symbol ); const lightbox = self.document.createElement('ljs-lightbox'); lightbox.setAttribute('layout', 'nodisplay'); lightbox.appendChild(tempParentNode.firstElementChild); self.document.body.appendChild(lightbox); SPZ.whenApiDefined(lightbox).then((apis) => { SPZCore.Dom.scopedQuerySelectorAll( lightbox, `[role="${MARKET_MODAL_CLOSE}"]` ).forEach((ele) => { ele.addEventListener('click', () => { this.setCookie_(COOKIE_TIPS_NAME, 1, COOKIE_TIPS_EXPIRES); apis.close(); }); }); const marketModalConfirmElement = SPZCore.Dom.scopedQuerySelector( lightbox, `[role="${MARKET_MODAL_CONFIRM}"]` ); if (marketModalConfirmElement && this.ipMatchingMarket?.url) { marketModalConfirmElement.addEventListener('click', () => { this.setCookie_(COOKIE_TIPS_NAME, 1, COOKIE_TIPS_EXPIRES); this.setCookie_(MARKET_COUNTRY_COOKIE, this.ipMatchingMarket?.name); this.handleChangeURL_(this.ipMatchingMarket?.url); }); } const marketModalReselectElement = SPZCore.Dom.scopedQuerySelector( lightbox, `[role="${MARKET_MODAL_RESELECT}"]` ); if (marketModalReselectElement) { marketModalReselectElement.addEventListener('click', () => { this.setCookie_(COOKIE_TIPS_NAME, 1, COOKIE_TIPS_EXPIRES); const marketReselectTemplate = SPZCore.Dom.scopedQuerySelector( this.element, `[role="${MARKET_RESELECT_MODAL}"]` ); if (marketReselectTemplate && lightbox.firstElementChild) { const clonedTemplate = self.document.importNode( marketReselectTemplate.content, true ); const selectParent = SPZCore.Dom.scopedQuerySelector( clonedTemplate, `[role="${MARKET_MODAL_RESELECT_COUNTRY_SELECT}"]` ); if (selectParent) { this.createSelect_({ parent: selectParent, defaultValue: this.getDefaultCountryValue_(), dataList: this.marketCountryList.map( this.mapCountryRenderData_ ), listElementWithTemplate: this.getListElementWithTemplate_( MARKET_COUNTRY_SELECT ), itemHandler: this.handleCountrySelectChange_.bind(this), }); } lightbox.replaceChild(clonedTemplate, lightbox.firstElementChild); SPZCore.Dom.scopedQuerySelectorAll( lightbox, `[role="${MARKET_MODAL_CLOSE}"]` ).forEach((ele) => { ele.addEventListener('click', () => { this.setCookie_(COOKIE_TIPS_NAME, 1, COOKIE_TIPS_EXPIRES); apis.close(); }); }); } }); } apis.open(); }); } } async getMarketThemeSettings_() { return this.xhr_.fetchJson(MARKET_THEME_SETTINGS).then((res) => { this.useCountrySelect_ = !!res.country_selector_enabled; this.useLanguageSelect_ = !!res.language_selector_enabled && this.global?.market?.market_id; this.useModal_ = !!res.redirect_pop_enabled; return res; }); } async getCountryList_() { return this.xhr_.fetchJson(MARKET_COUNTRIES).then((res) => { this.marketCountryList = res.data.length ? res.data : []; return res; }); } async getIpMatchingMarket_() { return this.xhr_.fetchJson(IP_MATCHING_MARKET, { method: 'POST', body: { stations: [], }, }); } async getMarketLanguages_(marketId) { return this.xhr_ .fetchJson(MARKET_LANGUAGES.replace(/:id/gim, marketId)) .then((res) => { this.marketLanguages = res?.languages?.length ? res.languages : []; return res; }); } hasCookie_(name) { const m = self.document.cookie .split(';') .filter((pair) => pair.trim().startsWith(name + '=')); return !!(m && m[0]); } getCookie_(name) { const m = self.document.cookie .split(';') .filter((pair) => pair.trim().startsWith(name + '=')); return m && m[0] ? m[0].split('=')[1] : null; } setCookie_(name, value, expires) { const expiresDate = new Date(Date.now() + expires).toGMTString(); self.document.cookie = `${name}=${encodeURIComponent( value )};expires=${expiresDate};path=/`; } } SPZ.defineElement('spz-custom-market', SpzCustomMarket);

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const SITE = (window.C_SETTINGS || window[atob('U0hPUExBWlpB')])?.routes?.root || ''; const MARKET_THEME_SETTINGS = `${SITE}/api/markets/theme_setting`; const MARKET_COUNTRIES = `${SITE}/api/markets/countries`; const IP_MATCHING_MARKET = `${SITE}/api/front/station`; const MARKET_LANGUAGES = `${SITE}/api/markets/:id/active_languages`; const URL_REDIRECT = '_market_redirected'; const COOKIE_TIPS_NAME = 'market_no_tips'; const COOKIE_TIPS_EXPIRES = 1000 * 60 * 60 * 24 * 14; const MARKET_COUNTRY_COOKIE = '_shoplazza_market_country'; const MARKET_MODAL_LOADED = '__market_modal_loaded__'; const PROPERTY_SELECTED = 'selected'; const MARKET_PC_HEADER_TRIGGER = 'market-pc-header-trigger'; const MARKET_PC_HEADER_COUNTRY_SELECT_TITLE = 'market-pc-header-country-select-title'; const MARKET_PC_HEADER_LANGUAGE_SELECT_TITLE = 'market-pc-header-language-select-title'; const MARKET_PC_HEADER_LANGUAGE_SELECT_SUB_TITLE = 'market-pc-header-language-select-sub-title'; const MARKET_PC_HEADER_COUNTRY_SELECT_SUB_TITLE = 'market-pc-header-country-select-sub-title'; const MARKET_FLAG = 'market-flag'; const MARKET_SELECT_VALUE = 'market-select-value'; const MARKET_CURRENCY = 'market-currency'; const MARKET_CURRENCY_SYMBOL = 'market-currency-symbol'; const MARKET_SELECT_ITEM = 'market-select-item'; const MARKET_SELECT_ITEM_ID = 'market-select-item-id'; const MARKET_SELECT_LIST = 'market-select-list'; const MARKET_LANGUAGE_SELECT = 'market-language-select'; const MARKET_COUNTRY_SELECT = 'market-country-select'; const MARKET_MODAL = 'market-modal'; const MARKET_GATEWAY_REDIRECT_MODAL = 'market-gateway-redirect-modal'; const MARKET_RESELECT_MODAL = 'market-reselect-modal'; const MARKET_MODAL_FLAG = 'market-modal-flag'; const MARKET_MODAL_COUNTRY_CODE = 'market-modal-country-code'; const MARKET_MODAL_CURRENCY_SYMBOL = 'market-modal-currency-symbol'; const MARKET_MODAL_CLOSE = 'market-modal-close'; const MARKET_MODAL_CONFIRM = 'market-modal-confirm'; const MARKET_MODAL_RESELECT = 'market-modal-reselect'; const MARKET_MODAL_RESELECT_COUNTRY_SELECT = 'market-modal-reselect-country-select'; const DATA_SECTION_TYPE = 'data-section-type'; const SECTION_TYPE_HEADER = 'header'; const SECTION_TYPE_FOOTER = 'footer'; class SpzCustomMarket extends SPZ.BaseElement { constructor(element) { super(element); this.global = null; this.useCountrySelect_ = false; this.useLanguageSelect_ = false; this.useModal_ = false; this.isSingleSelectMode_ = false; this.blockSectionPosition_ = ''; this.isEditMode = false; this.ipMatchingMarket = null; this.marketCountryList = []; this.marketLanguages = []; this.toast = null; } static deferredMount() { return false; } isLayoutSupported(layout) { return layout == SPZCore.Layout.LOGIC; } buildCallback() { console.debug('Geolocation'); this.xhr_ = SPZServices.xhrFor(this.win); const platform = SPZServices.platformFor(this.win); this.isIOS_ = platform.isIos(); this.action_ = SPZServices.actionServiceForDoc(this.element); this.global = this.win.C_SETTINGS || this.win[atob('U0hPUExBWlpB')]; this.isEditMode = new URLSearchParams(this.win.location.search).get('preview_theme_id') && new URLSearchParams(this.win.location.search).get('oseid'); this.init_(); } showToast_(content) { if (!this.toast) { this.toast = self.document.createElement('ljs-toast'); this.toast.setAttribute('layout', 'nodisplay'); this.toast.setAttribute('hidden', ''); this.toast.setAttribute('duration', '2000'); this.element.appendChild(this.toast); } SPZ.whenApiDefined(this.toast).then((apis) => { apis.showToast(content); }); } triggerEvent_(name, data) { const event = SPZUtils.Event.create(this.win, `${TAG}.${name}`, data); this.action_.trigger(this.element, name, event); } findBlockSectionPosition() { let current = this.element; while (current) { const dataSectionType = current.getAttribute(DATA_SECTION_TYPE); if ( dataSectionType === SECTION_TYPE_HEADER || dataSectionType === SECTION_TYPE_FOOTER ) { return dataSectionType; } current = current.parentElement; } return ''; } async initSettings_() { await this.getMarketThemeSettings_(); if (this.useCountrySelect_) { this.element.setAttribute('use-country-select', true); } if (this.useLanguageSelect_) { this.element.setAttribute('use-language-select', true); } if (this.useModal_) { this.element.setAttribute('use-modal', true); } if ( (this.useCountrySelect_ && !this.useLanguageSelect_) || (!this.useCountrySelect_ && this.useLanguageSelect_) ) { this.isSingleSelectMode_ = true; } this.blockSectionPosition_ = this.findBlockSectionPosition(); this.isPCLayout_ = this.win.matchMedia('(min-width: 960px)').matches; } renderMarketSelectTemplateNode_(clonedTemplate, data) { this.renderTemplateImg_(clonedTemplate, MARKET_FLAG, { src: data?.flag, width: '24', height: '24', }); this.renderTemplateElement_( clonedTemplate, MARKET_SELECT_VALUE, data.value ); this.renderTemplateElement_( clonedTemplate, MARKET_CURRENCY, data?.currency ); this.renderTemplateElement_( clonedTemplate, MARKET_CURRENCY_SYMBOL, data?.currencySymbol ); } bindDropdownOpenClickEvent_(triggerElement, dropdown) { if (!triggerElement) return; const triggerOpen = () => { SPZ.whenApiDefined(dropdown).then((apis) => { if (!dropdown.hasAttribute('open')) { apis.open(triggerElement); } }); }; if (this.isIOS_) { triggerElement.addEventListener('touchstart', triggerOpen); } else { triggerElement.addEventListener('click', triggerOpen); } } createDropdown_() { const dropdown = self.document.createElement('ljs-dropdown'); dropdown.setAttribute('layout', 'nodisplay'); if (this.blockSectionPosition_ === 'header') { dropdown.setAttribute('overlay-style', 'top: 4px;'); dropdown.setAttribute('placement', 'bottomRight'); } else if (this.blockSectionPosition_ === 'footer') { dropdown.setAttribute('overlay-style', 'top: -4px;'); dropdown.setAttribute('placement', 'top'); } return dropdown; } createDropdownIcon_() { const svgElement = document.createElementNS("http://www.w3.org/2000/svg", "svg"); svgElement.setAttribute("class", "market-rotate-180"); svgElement.setAttribute("width", "16"); svgElement.setAttribute("height", "16"); const path1 = document.createElementNS("http://www.w3.org/2000/svg", "path"); path1.setAttribute("d", "M7.47 5.172a.75.75 0 0 1 1.06 0l4.596 4.596a.75.75 0 1 1-1.06 1.06L7.468 6.232a.75.75 0 0 1 0-1.06Z"); path1.setAttribute("fill", "currentColor"); const path2 = document.createElementNS("http://www.w3.org/2000/svg", "path"); path2.setAttribute("d", "M8.533 5.172a.75.75 0 0 1 0 1.06l-4.596 4.596a.75.75 0 1 1-1.061-1.06l4.596-4.596a.75.75 0 0 1 1.06 0Z"); path2.setAttribute("fill", "currentColor"); svgElement.appendChild(path1); svgElement.appendChild(path2); return svgElement; } renderDropdownListWithClickEvent_({ triggerElement, dataList, subTitleRole, listElementWithTemplate, defaultValue, itemHandler, shouldUpdateSelectedItem = false, }) { const dropdown = this.createDropdown_(); const itemTemplate = SPZCore.Dom.scopedQuerySelector( listElementWithTemplate, 'template' ); const clonedItemTemplate = itemTemplate.cloneNode(true); const fragment = self.document.createDocumentFragment(); dataList.forEach((data) => { const tempParentNode = self.document.createElement('div'); const clonedTemplate = self.document.importNode( clonedItemTemplate.content, true ); tempParentNode.appendChild(clonedTemplate); tempParentNode.firstElementChild.classList.add( 'market-select-item' ); this.renderMarketSelectTemplateNode_(tempParentNode, data); const selectItemElement = SPZCore.Dom.scopedQuerySelector( tempParentNode, `[role="${MARKET_SELECT_ITEM}"]` ); if (!selectItemElement) { return; } if (defaultValue === data.value) { if (shouldUpdateSelectedItem) { const clonedSelectItemElement = selectItemElement.cloneNode(true); triggerElement.replaceChild( clonedSelectItemElement, triggerElement.firstElementChild ); } selectItemElement.setAttribute(PROPERTY_SELECTED, ''); } selectItemElement.setAttribute(MARKET_SELECT_ITEM_ID, data.value); fragment.appendChild(tempParentNode.firstElementChild); }); let value = defaultValue; listElementWithTemplate.addEventListener( 'click', (e) => { if (this.isEditMode) { this.showToast_('编辑器下不支持切换国家'); SPZ.whenApiDefined(dropdown).then((apis) => { apis.close(); }); return; } let targetElement = e.target; while (targetElement) { if ( !targetElement || targetElement.getAttribute(MARKET_SELECT_ITEM_ID) ) { break; } targetElement = targetElement.parentNode; } if ( !targetElement || !targetElement.hasAttribute(MARKET_SELECT_ITEM_ID) ) { return; } const selectValue = targetElement.getAttribute(MARKET_SELECT_ITEM_ID); if (value === selectValue) { SPZ.whenApiDefined(dropdown).then((apis) => { apis.close(); }); return; } const selectedData = dataList.find((c) => c.value === selectValue); if (shouldUpdateSelectedItem) { const tempParentNode = self.document.createElement('div'); const clonedTemplate = self.document.importNode( clonedItemTemplate.content, true ); tempParentNode.appendChild(clonedTemplate); this.renderMarketSelectTemplateNode_(tempParentNode, selectedData); tempParentNode.firstElementChild.classList.add( 'market-select-item' ); triggerElement.replaceChild( tempParentNode.firstElementChild, triggerElement.firstElementChild ); } value = selectValue; itemHandler?.(selectedData); SPZ.whenApiDefined(dropdown).then((apis) => { apis.close(); }); }, false ); listElementWithTemplate.removeChild(itemTemplate); listElementWithTemplate.appendChild(fragment); listElementWithTemplate.classList.add('market-select-list'); dropdown.appendChild(listElementWithTemplate); if (subTitleRole) { this.renderSelectTitle_(dropdown, subTitleRole); } return dropdown; } createSelect_({ parent, defaultValue, dataList, listElementWithTemplate, itemHandler, titleRole, }) { const triggerElement = self.document.createElement('div'); triggerElement.classList.add('market-select'); const displayElement = self.document.createElement('div'); triggerElement.appendChild(displayElement); triggerElement.appendChild(this.createDropdownIcon_()); const dropdown = this.renderDropdownListWithClickEvent_({ triggerElement, dataList, listElementWithTemplate, defaultValue, itemHandler, shouldUpdateSelectedItem: true, }); this.bindDropdownOpenClickEvent_(triggerElement, dropdown); const dropdownContainer = self.document.createElement('div'); dropdownContainer.appendChild(triggerElement); dropdownContainer.appendChild(dropdown); dropdownContainer.classList.add('market-select-container'); this.renderSelectTitle_(dropdownContainer, titleRole); parent.appendChild(dropdownContainer); } getListElementWithTemplate_(role) { const template = SPZCore.Dom.scopedQuerySelector( this.element, `[role="${role}"]` ); if (template) { const clonedTemplate = template.cloneNode(true); const tempParent = self.document.createElement("div"); tempParent.appendChild(clonedTemplate.content); const listElementWithTemplate = SPZCore.Dom.scopedQuerySelector( tempParent, `[role="${MARKET_SELECT_LIST}"]` ); return listElementWithTemplate; } return null; } renderSelectTitle_(parent, role) { if (!parent || !role) { return; } const template = SPZCore.Dom.scopedQuerySelector( this.element, `[role="${role}"]` ); const content = self.document.importNode(template.content, true); parent.insertBefore(content, parent.firstElementChild); parent.firstElementChild.classList.add( role.includes('sub') ? 'market-pc-header-select-sub-title' : 'market-pc-header-select-title' ); } initSelect_(rootNode, options) { const parent = rootNode || this.element; if (this.useCountrySelect_) { this.createSelect_({ parent, titleRole: options?.shouldRenderSelectTitle ? MARKET_PC_HEADER_COUNTRY_SELECT_TITLE : undefined, defaultValue: this.getDefaultCountryValue_(), dataList: this.marketCountryList.map(this.mapCountryRenderData_), listElementWithTemplate: this.getListElementWithTemplate_( MARKET_COUNTRY_SELECT ), itemHandler: this.handleCountrySelectChange_.bind(this), }); } if (this.useLanguageSelect_) { this.createSelect_({ parent, titleRole: options?.shouldRenderSelectTitle ? MARKET_PC_HEADER_LANGUAGE_SELECT_TITLE : undefined, defaultValue: this.getDefaultLanguageValue_(), dataList: this.marketLanguages.map(this.mapLanguageRenderData_), listElementWithTemplate: this.getListElementWithTemplate_( MARKET_LANGUAGE_SELECT ), itemHandler: this.handleLanguageSelectChange_.bind(this), }); } } initPcHeaderTriggerElement() { const headerTriggerElementTemplate = SPZCore.Dom.scopedQuerySelector( this.element, `[role="${MARKET_PC_HEADER_TRIGGER}"]` ); const headerTriggerElement = self.document.importNode( headerTriggerElementTemplate.content, true ); const parentDivElement = self.document.createElement('div'); parentDivElement.setAttribute('role', MARKET_PC_HEADER_TRIGGER); parentDivElement.appendChild(headerTriggerElement); this.element.removeChild(headerTriggerElementTemplate); return parentDivElement; } initPanelWithSelect_() { const triggerElement = this.initPcHeaderTriggerElement(); const dropdown = this.createDropdown_(); const panelElement = self.document.createElement('div'); panelElement.classList.add('market-panel'); this.initSelect_(panelElement, {shouldRenderSelectTitle: true}); dropdown.appendChild(panelElement); this.bindDropdownOpenClickEvent_(triggerElement, dropdown); this.element.appendChild(triggerElement); this.element.insertBefore(dropdown, triggerElement); } initSingleSelectDropdown_() { const triggerElement = this.initPcHeaderTriggerElement(); let dropdown; if (this.useCountrySelect_) { dropdown = this.renderDropdownListWithClickEvent_({ triggerElement, subTitleRole: MARKET_PC_HEADER_COUNTRY_SELECT_SUB_TITLE, dataList: this.marketCountryList.map(this.mapCountryRenderData_), listElementWithTemplate: this.getListElementWithTemplate_( MARKET_COUNTRY_SELECT ), defaultValue: this.getDefaultCountryValue_(), itemHandler: this.handleCountrySelectChange_.bind(this), }); } else if (this.useLanguageSelect_) { dropdown = this.renderDropdownListWithClickEvent_({ triggerElement, subTitleRole: MARKET_PC_HEADER_LANGUAGE_SELECT_SUB_TITLE, dataList: this.marketLanguages.map(this.mapLanguageRenderData_), listElementWithTemplate: this.getListElementWithTemplate_( MARKET_LANGUAGE_SELECT ), defaultValue: this.getDefaultLanguageValue_(), itemHandler: this.handleLanguageSelectChange_.bind(this), }); } if (dropdown) { this.bindDropdownOpenClickEvent_(triggerElement, dropdown); this.element.appendChild(triggerElement); this.element.appendChild(dropdown); } } initEntry_() { if (this.blockSectionPosition_ === SECTION_TYPE_HEADER) { if (this.isSingleSelectMode_) { this.initSingleSelectDropdown_(); } else if (this.useCountrySelect_ && this.useLanguageSelect_) { this.initPanelWithSelect_(); } } this.initSelect_(this.element); } async initData_() { const promises = []; if (this.useCountrySelect_ || this.useModal_) { promises.push(this.getCountryList_(), this.getIpMatchingMarket_()); } if (this.useLanguageSelect_) { promises.push(this.getMarketLanguages_(this.global.market.market_id)); } return Promise.all(promises).then((results) => { const ipMatchingMarket = results.find((result) => result.hasOwnProperty('matching_station') ); const marketCountryList = results.find((result) => result.hasOwnProperty('data') ); if (ipMatchingMarket && marketCountryList) { this.ipMatchingMarket = ipMatchingMarket?.matching_station?.find?.( (item) => item.type === 'multiple_market' ) || { img: marketCountryList.length ? marketCountryList?.[0]?.detail && marketCountryList[0].detail?.flag : '', }; } }); } initModal_() { if ( this.isEditMode || !this.ipMatchingMarket?.market_id || !this.useModal_ || this.hasCookie_(COOKIE_TIPS_NAME) || this.win[MARKET_MODAL_LOADED] ) { return; } this.win[MARKET_MODAL_LOADED] = true; const redirectParam = new URLSearchParams(this.win.location.search).get( URL_REDIRECT ); if (redirectParam) { this.initModalEntry_(MARKET_GATEWAY_REDIRECT_MODAL); } else if ( this.ipMatchingMarket.market_id !== this.global?.market?.market_id ) { this.initModalEntry_(MARKET_MODAL); } } async init_() { await this.initSettings_(); await this.initData_(); this.initEntry_(); this.initModal_(); } getDefaultCountryValue_() { return this.getCookie_(MARKET_COUNTRY_COOKIE) || this.marketCountryList[0]?.country_code; } mapCountryRenderData_(country) { return { flag: country?.detail?.flag || '', value: country?.country_code, currency: country?.currency, currencySymbol: country?.symbol?.val || '', url: country?.url, }; } handleCountrySelectChange_(selectedData) { this.setCookie_(MARKET_COUNTRY_COOKIE, selectedData.value); this.handleChangeURL_(selectedData.url); } getDefaultLanguageValue_() { return this.marketLanguages?.find?.( (lang) => lang.code === this.global?.market?.market_lang )?.name; } mapLanguageRenderData_(language) { return { value: language.name, url: language.url, }; } handleLanguageSelectChange_(selectedData) { this.handleChangeURL_(selectedData.url); } renderTemplateElement_(parent, role, value) { const elements = SPZCore.Dom.scopedQuerySelectorAll( parent, `[role="${role}"]` ); elements.forEach((element) => { if (element && value) { element.innerHTML = value; } }); } renderTemplateImg_(parent, role, options) { const flagElement = SPZCore.Dom.scopedQuerySelector( parent, `[role="${role}"]` ); if (flagElement && options?.src && options?.height && options?.width) { const spzImg = self.document.createElement('ljs-img'); spzImg.setAttribute('src', options.src); spzImg.setAttribute('layout', 'responsive'); spzImg.setAttribute('width', options.width); spzImg.setAttribute('height', options.height); spzImg.setAttribute( 'style', `width: ${options.width}px; height: ${options.height}px;` ); flagElement.appendChild(spzImg); } } handleChangeURL_(url) { if (!!url) { let {origin, pathname, search} = this.win.location; pathname = pathname.replace(SITE, url != '/' ? url : ''); this.win.location.href = `${origin}${pathname}${search}`; } else { this.win.location.reload(true); } } initModalEntry_(role) { const marketModalTemplate = SPZCore.Dom.scopedQuerySelector( this.element, `[role="${role}"]` ); if (marketModalTemplate) { const tempParentNode = self.document.createElement('div'); const clonedTemplate = self.document.importNode( marketModalTemplate.content, true ); tempParentNode.appendChild(clonedTemplate); this.renderTemplateImg_(tempParentNode, MARKET_MODAL_FLAG, { src: this.ipMatchingMarket?.img, width: '80', height: '80', }); this.renderTemplateElement_( tempParentNode, MARKET_MODAL_COUNTRY_CODE, this.ipMatchingMarket?.name ); this.renderTemplateElement_( tempParentNode, MARKET_MODAL_CURRENCY_SYMBOL, this.ipMatchingMarket?.currency_with_symbol ); const lightbox = self.document.createElement('ljs-lightbox'); lightbox.setAttribute('layout', 'nodisplay'); lightbox.appendChild(tempParentNode.firstElementChild); self.document.body.appendChild(lightbox); SPZ.whenApiDefined(lightbox).then((apis) => { SPZCore.Dom.scopedQuerySelectorAll( lightbox, `[role="${MARKET_MODAL_CLOSE}"]` ).forEach((ele) => { ele.addEventListener('click', () => { this.setCookie_(COOKIE_TIPS_NAME, 1, COOKIE_TIPS_EXPIRES); apis.close(); }); }); const marketModalConfirmElement = SPZCore.Dom.scopedQuerySelector( lightbox, `[role="${MARKET_MODAL_CONFIRM}"]` ); if (marketModalConfirmElement && this.ipMatchingMarket?.url) { marketModalConfirmElement.addEventListener('click', () => { this.setCookie_(COOKIE_TIPS_NAME, 1, COOKIE_TIPS_EXPIRES); this.setCookie_(MARKET_COUNTRY_COOKIE, this.ipMatchingMarket?.name); this.handleChangeURL_(this.ipMatchingMarket?.url); }); } const marketModalReselectElement = SPZCore.Dom.scopedQuerySelector( lightbox, `[role="${MARKET_MODAL_RESELECT}"]` ); if (marketModalReselectElement) { marketModalReselectElement.addEventListener('click', () => { this.setCookie_(COOKIE_TIPS_NAME, 1, COOKIE_TIPS_EXPIRES); const marketReselectTemplate = SPZCore.Dom.scopedQuerySelector( this.element, `[role="${MARKET_RESELECT_MODAL}"]` ); if (marketReselectTemplate && lightbox.firstElementChild) { const clonedTemplate = self.document.importNode( marketReselectTemplate.content, true ); const selectParent = SPZCore.Dom.scopedQuerySelector( clonedTemplate, `[role="${MARKET_MODAL_RESELECT_COUNTRY_SELECT}"]` ); if (selectParent) { this.createSelect_({ parent: selectParent, defaultValue: this.getDefaultCountryValue_(), dataList: this.marketCountryList.map( this.mapCountryRenderData_ ), listElementWithTemplate: this.getListElementWithTemplate_( MARKET_COUNTRY_SELECT ), itemHandler: this.handleCountrySelectChange_.bind(this), }); } lightbox.replaceChild(clonedTemplate, lightbox.firstElementChild); SPZCore.Dom.scopedQuerySelectorAll( lightbox, `[role="${MARKET_MODAL_CLOSE}"]` ).forEach((ele) => { ele.addEventListener('click', () => { this.setCookie_(COOKIE_TIPS_NAME, 1, COOKIE_TIPS_EXPIRES); apis.close(); }); }); } }); } apis.open(); }); } } async getMarketThemeSettings_() { return this.xhr_.fetchJson(MARKET_THEME_SETTINGS).then((res) => { this.useCountrySelect_ = !!res.country_selector_enabled; this.useLanguageSelect_ = !!res.language_selector_enabled && this.global?.market?.market_id; this.useModal_ = !!res.redirect_pop_enabled; return res; }); } async getCountryList_() { return this.xhr_.fetchJson(MARKET_COUNTRIES).then((res) => { this.marketCountryList = res.data.length ? res.data : []; return res; }); } async getIpMatchingMarket_() { return this.xhr_.fetchJson(IP_MATCHING_MARKET, { method: 'POST', body: { stations: [], }, }); } async getMarketLanguages_(marketId) { return this.xhr_ .fetchJson(MARKET_LANGUAGES.replace(/:id/gim, marketId)) .then((res) => { this.marketLanguages = res?.languages?.length ? res.languages : []; return res; }); } hasCookie_(name) { const m = self.document.cookie .split(';') .filter((pair) => pair.trim().startsWith(name + '=')); return !!(m && m[0]); } getCookie_(name) { const m = self.document.cookie .split(';') .filter((pair) => pair.trim().startsWith(name + '=')); return m && m[0] ? m[0].split('=')[1] : null; } setCookie_(name, value, expires) { const expiresDate = new Date(Date.now() + expires).toGMTString(); self.document.cookie = `${name}=${encodeURIComponent( value )};expires=${expiresDate};path=/`; } } SPZ.defineElement('spz-custom-market', SpzCustomMarket);

Traditional vs. Modern Water Filters: A Comprehensive Comparison

Mar 26，2025 by Walchin

Traditional vs. Modern Water Filters: A Comprehensive Comparison

With increasing water pollution and growing demand for healthy drinking water, water filtration technology has advanced significantly. There are notable differences between modern and traditional water filters in terms of technical principles, performance, and ease of use. This article compares the two in detail to highlight the advantages and innovations of modern water purification systems.

What is a Traditional Water Filter?

Traditional water filters use basic filtration methods that have been widely utilized for decades. Common types include:

1. Sand and Gravel Filters

One of the oldest filtration methods, sand and gravel filters remove suspended solids and particulate matter through multiple layers of sand and gravel. These are commonly used in large-scale water treatment and preliminary drinking water purification.

2. Activated Carbon Filters

Activated carbon filters remove organic matter, chlorine, odors, and some heavy metals through adsorption. These are often used in household water dispensers and municipal water treatment systems.

3. Ceramic Filters

Ceramic filters use micron-sized pores to trap bacteria and suspended solids. They are popular in household filtration devices due to their reusability after washing.

Advances in Modern Water Filtration Systems

Modern water filters integrate multiple advanced filtration technologies to offer higher efficiency and more comprehensive water purification. Some key technologies include:

1. Reverse Osmosis (RO) Technology

RO filtration removes dissolved solids, heavy metals, bacteria, and viruses using a semi-permeable membrane. With a pore size of just 0.0001 microns, it provides one of the highest purity levels for drinking water.

2. Ultrafiltration (UF) Technology

UF membranes have pore sizes between 0.01 and 0.1 microns and effectively remove bacteria, viruses, colloids, and suspended solids. This technology is widely used in domestic drinking water purification and industrial applications.

3. Ultraviolet (UV) Sterilization

UV filtration destroys bacteria and viruses using short-wave ultraviolet light, making it an effective and environmentally friendly disinfection method. It is often combined with other filtration techniques for enhanced protection.

4. Nanofiltration (NF) Technology

Nanofiltration membranes, with pore sizes between ultrafiltration and reverse osmosis, remove organic compounds, some inorganic substances, and hardness ions, making them suitable for targeted purification needs.

Comparing Traditional and Modern Water Filters

1. Filtration Efficiency

Traditional water filters mainly target suspended solids, particulate matter, and some organic contaminants. In contrast, modern water filters remove a broader range of pollutants, including dissolved solids, heavy metals, bacteria, viruses, and organic compounds.

2. Ease of Use

Traditional filters are simple to operate but require frequent replacement of filter materials. Modern filtration systems incorporate intelligent features like automatic flushing and filter replacement reminders, improving user experience and convenience.

3. Economic Cost

While traditional filters have a low initial cost, frequent filter changes lead to higher long-term expenses. Modern water filters require higher initial investment but reduce maintenance and replacement costs over time.

4. Suitable Applications

Traditional filters work best in areas with good water quality and mainly remove large particles and organic matter. Modern water filtration systems are ideal for various complex water conditions, including heavy metal contamination and microbial pollution, ensuring safer drinking water.

5. Environmental Impact

Modern filtration systems focus on sustainability. Many reverse osmosis systems now include wastewater recovery features, reducing water wastage. Additionally, energy-efficient designs make them more eco-friendly than traditional options.

Case Studies: Traditional vs. Modern Water Filtration

Case 1: Household Drinking Water Purification

Traditional Filter: A family uses an activated carbon filter to remove chlorine and odors from tap water. However, it does not eliminate heavy metals or bacteria.
Modern Filter: The household upgrades to a reverse osmosis purifier, which includes activated carbon pre-filtration and an RO membrane, ensuring clean, great-tasting, and safe water. Additional features like filter replacement reminders and auto-flushing make it user-friendly.

Case 2: Industrial Water Treatment

Traditional Filter: A factory uses sand and gravel filters to remove large suspended particles. While effective for basic filtration, it fails to meet stringent industrial water purity standards.
Modern Filtration System: The factory upgrades to an ultrafiltration membrane and UV sterilization system, significantly improving water quality by eliminating bacteria, viruses, and colloidal particles. The high flux and long lifespan of UF membranes reduce maintenance costs and enhance efficiency.

Conclusion

Modern water filtration systems surpass traditional methods in efficiency, convenience, cost-effectiveness, and environmental sustainability. As technology advances, future water filters will become even smarter, more efficient, and eco-friendly, ensuring safer and purer water solutions for households and industries worldwide.