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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,144 @@ | ||
| import AjaxTemplating from "./ajax-templating.js"; | ||
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| /** | ||
| * Parse the values of a form instance into an object. | ||
| * | ||
| * @param {HTMLElement} form | ||
| * @returns {[string, string][]} | ||
| */ | ||
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| export const getFormData = (form) => { | ||
| const formData = new FormData(form); | ||
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| const prefix = formData.get("prefix"); | ||
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| // Loop all form entries, remove the prefix from keys, and assign to data. | ||
| const entries = [...formData.entries()] | ||
| .map(([key, value]) => { | ||
| // Remove prefix if it exists. | ||
| const newKey = key.startsWith(prefix) ? key.replace(prefix, "") : key; | ||
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| // Parse the page number to integer. | ||
| if ("page" === newKey) { | ||
| value = parseInt(value); | ||
| } | ||
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| return [newKey, value]; | ||
| }) | ||
| .filter(([key, value]) => { | ||
| // Skip prefix and template keys, and empty values. | ||
| if (["prefix"].includes(key) || value === "") { | ||
| return false; | ||
| } | ||
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| return true; | ||
| }); | ||
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| entries.push(["action", $(form).attr("action")]); | ||
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| return Object.fromEntries(entries); | ||
| }; | ||
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| /** | ||
| * Render the response to the page. | ||
| * | ||
| * The results type should match the php response object | ||
| * as returned by the `FilterSearch->mapResults()` method. | ||
| * | ||
| * @typedef {Object} Post | ||
| * @property {string} ID | ||
| * @property {string} post_title | ||
| * @property {string} post_date_formatted | ||
| * @property {string} post_excerpt_formatted | ||
| * @property {string} permalink | ||
| * @property {string} post_type | ||
| * @property {string} post_thumbnail | ||
| * @property {string} post_thumbnail_alt | ||
| * | ||
| * @typedef {Object} Results | ||
| * @property {Post[]} posts | ||
| * @property {string} templateName | ||
| * | ||
| * The response type should match the php response object | ||
| * as returned by the `FilterSearch->loadSearchResults()` method. | ||
| * | ||
| * @typedef {Object} Response | ||
| * @property {Object} aggregates | ||
| * @property {number} aggregates.currentPage | ||
| * @property {number} aggregates.resultsPerPage | ||
| * @property {number} aggregates.totalResults | ||
| * @property {Results} results | ||
| * | ||
| * @param {Response} response | ||
| */ | ||
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| export const renderResults = ({ | ||
| results: { posts, templateName }, | ||
| aggregates: { currentPage, totalResults }, | ||
| }) => { | ||
| // Remove all articles if page is 1. | ||
| if (currentPage === 1) { | ||
| $(".c-article-item, .c-events-item-list").remove(); | ||
| } | ||
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| // Load an instance of the AjaxTemplating class. | ||
| const t = new AjaxTemplating(templateName); | ||
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| // Render the html for each post. | ||
| const resultsHtml = posts.map((props) => t.renderHtml(props)); | ||
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| // Append the html to the content section. | ||
| $("#content").append(resultsHtml); | ||
|
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| // Update the title. | ||
| $("#title-section").text(`${totalResults} search results`); | ||
| }; | ||
|
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| /** | ||
| * Render pagination to the page. | ||
| * | ||
| * @param {Object} props | ||
| * @param {number} props.currentPage | ||
| * @param {number} props.resultsPerPage | ||
| * @param {number} props.totalResults | ||
| * | ||
| * @returns {void} | ||
| */ | ||
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| export const renderPagination = ({ currentPage, resultsPerPage, totalResults }) => { | ||
| if (resultsPerPage === undefined || resultsPerPage === -1) { | ||
| return; | ||
| } | ||
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| const isLastPage = currentPage * resultsPerPage >= totalResults; | ||
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| const paginationTitle = ({ totalResults, isLastPage }) => { | ||
| if (!totalResults) { | ||
| return "No Results"; | ||
| } | ||
| if (isLastPage) { | ||
| return "No More Results"; | ||
| } | ||
| return `Load Next ${resultsPerPage} Results`; | ||
| }; | ||
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| const template = new AjaxTemplating("pagination"); | ||
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| // Update the pagination. | ||
| const paginationHtml = template.renderHtml({ | ||
| title: paginationTitle({ totalResults, isLastPage }), | ||
| // Disable the button if it's the last page. | ||
| disabled: isLastPage ? `disabled="disabled"` : "", | ||
| // Adjust the zero-indexed current page. | ||
| currentPageFormatted: parseInt(currentPage), | ||
| // Calculate the total pages - if no results, then set as 1 to render '1 of 1'. | ||
| totalPages: !totalResults ? 1 : Math.ceil(totalResults / resultsPerPage), | ||
| }); | ||
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| $(".c-pagination").html(paginationHtml); | ||
|
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| // Update the page number on the pagination element. | ||
| if (!isLastPage) { | ||
| $(".c-pagination button").attr("data-page", currentPage + 1); | ||
| } | ||
| }; | ||