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SearchApp from './search-app';\n\nimport { courseTease } from './render';\nimport algoliaClient from '@src/components/algolia/algolia-client';\n\nconst { ALGOLIA_TYPE_INDEX_NAME } = window.algoliaSettings || {};\n\nclass CourseSearch extends SearchApp {\n  constructor(el) {\n    super(el);\n\n    this.defaultAcademicYear = this.controls.controlsEl.dataset.defaultAcademicYear;\n    this.nonce = this.controls.controlsEl.querySelector(\n      'input[name=\"nonce_hls_course_query\"]',\n    )?.value;\n    this.courseCatalogLinks = this.controls.controlsEl.querySelectorAll(\n      '[data-search-course-catalog]',\n    );\n\n    // Set up facets for the Course query.\n    this.facets = [\n      'hls_course_term',\n      'hls_interest_area',\n      'instructor_reverse',\n      'hls_course_delivery_mode',\n      'hls_course_requirement',\n      'hls_course_day',\n    ];\n\n    this.setupHooks();\n  }\n\n  getIndexName() {\n    return ALGOLIA_TYPE_INDEX_NAME;\n  }\n\n  setupHooks() {\n    // Filter query params.\n    this.addFilter('filterParams', params => {\n      const newParams = { ...params };\n      newParams.type = 'hls_course';\n\n      if (!newParams.hls_course_academic_period && this.defaultAcademicYear) {\n        newParams.hls_course_academic_period = this.defaultAcademicYear;\n      }\n\n      if (newParams.hls_course_day) {\n        newParams.hls_course_day_string = newParams.hls_course_day;\n        delete newParams.hls_course_day;\n      }\n\n      return newParams;\n    });\n\n    // Customize the new parameters after a select change.\n    this.controls.addFilter('selectChangeParams', (params, name) => {\n      const newParams = { ...params };\n\n      // If the change is on the academic period, remove all other params and reset.\n      if ('hls_course_academic_period' === name) {\n        delete newParams.hls_course_term;\n        delete newParams.hls_course_delivery_mode;\n        delete newParams.hls_course_day;\n        this.state.set('lastChanged', null);\n        this.state.set('triggerLookup', true);\n      }\n\n      return newParams;\n    });\n\n    // Custom sort incoming facet values.\n    this.controls.addFilter('facetValues', (facetValues, facetName) => {\n      const newValues = [...facetValues];\n\n      if (facetName === 'hls_course_term') {\n        const seasonOrder = [\n          'fall',\n          'fall-winter',\n          'fall-spring',\n          'winter',\n          'winter-spring',\n          'spring',\n        ];\n        newValues.sort((a, b) => {\n          a = a.toLowerCase().replace(/\\d|\\s/g, '');\n          b = b.toLowerCase().replace(/\\d|\\s/g, '');\n          return seasonOrder.indexOf(a) - seasonOrder.indexOf(b);\n        });\n      }\n\n      if (facetName === 'hls_course_day') {\n        const weekOrder = ['monday', 'tuesday', 'wednesday', 'thursday', 'friday'];\n        newValues.sort(\n          (a, b) => weekOrder.indexOf(a.toLowerCase()) - weekOrder.indexOf(b.toLowerCase()),\n        );\n      }\n\n      return newValues;\n    });\n  }\n\n  /**\n   * Override the main query method so we can run our own specific query in certain cases.\n   *\n   * @returns {Promise}\n   */\n  doQuery() {\n    const mainQuery = super.doQuery();\n    const shouldDoLookup = this.state.get('triggerLookup');\n    const { hls_course_academic_period } = this.state.get('params');\n\n    this.state.set('triggerLookup', null);\n\n    // If we don't need to do a lookup (because the academic period hasn't been changed) or there is no academic period\n    // change, then we can just return the main query.\n    if (!shouldDoLookup || !hls_course_academic_period) {\n      return mainQuery;\n    }\n\n    const catalogLookup = this.updateCatalogLink();\n\n    const lookupQuery = algoliaClient.search([\n      {\n        indexName: window['algoliaSettings']['ALGOLIA_TYPE_INDEX_NAME'],\n        filters: `type:hls_course AND hls_course_academic_period:${hls_course_academic_period}`,\n        responseFields: ['nbHits'],\n      },\n    ]);\n\n    return new Promise(resolve => {\n      Promise.all([mainQuery, lookupQuery, catalogLookup]).then(([mainQueryResp, lookupResp]) => {\n        this.state.set('noFilterCount', lookupResp?.results[0]['nbHits']);\n        resolve(mainQueryResp);\n      });\n    });\n  }\n\n  /**\n   * Fetch the updated course catalog PDF.\n   *\n   * @returns {Promise}\n   */\n  updateCatalogLink() {\n    if (this.courseCatalogLinks.length === 0) {\n      return Promise.resolve();\n    }\n\n    const { hls_course_academic_period } = this.state.get('params');\n    const catalogRequestData = new FormData();\n    catalogRequestData.append('action', 'get_course_catalog_pdf');\n    catalogRequestData.append('nonce', this.nonce);\n    catalogRequestData.append('hls_course_academic_period', hls_course_academic_period);\n\n    return fetch(window.hlsSite?.ajaxurl, {\n      method: 'POST',\n      credentials: 'same-origin',\n      body: catalogRequestData,\n    })\n      .then(response => response.json())\n      .then(({ success, data }) => {\n        if (!success) {\n          throw new Error(data);\n        }\n\n        this.courseCatalogLinks.forEach(el => {\n          if (data) {\n            el.removeAttribute('style');\n          } else {\n            el.style.display = 'none';\n          }\n\n          const span = el.querySelector('span') || el;\n          span.innerText = `${hls_course_academic_period} Course Catalog (PDF)`;\n          el.href = data || '#';\n        });\n      })\n      .catch(error => console.error(error));\n  }\n\n  /**\n   * Render the course tease.\n   *\n   * @param {array} hits Hits from Algolia.\n   *\n   * @return void\n   */\n  render(hits) {\n    const hitsMarkup = hits.map(courseTease).join('');\n    this.resultsEl.innerHTML = `<ul class=\"courses-feed__list\">${hitsMarkup}</ul>`;\n  }\n}\n\nexport default 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