128 lines
5.2 KiB
JavaScript
128 lines
5.2 KiB
JavaScript
const BasePage = require('./BasePage');
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const utils = require('../utils');
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class SearchPage extends BasePage {
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constructor(config) {
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super(config);
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this.id = 'search';
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this.title = 'Поиск';
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}
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async body(req) {
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const result = {};
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const query = {
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type: req.query.type || '',
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term: req.query.term || '',
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genre: req.query.genre || '',
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page: parseInt(req.query.page, 10) || 1,
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};
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let entry = [];
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if (query.type) {
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if (['author', 'series', 'title'].includes(query.type)) {
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try {
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const from = query.type;
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const page = query.page;
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const limit = 100;
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const offset = (page - 1)*limit;
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const queryRes = await this.webWorker.search(from, {[from]: query.term, genre: query.genre, del: '0', offset, limit});
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const found = queryRes.found;
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for (let i = 0; i < found.length; i++) {
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const row = found[i];
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if (!row.bookCount)
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continue;
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entry.push(
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this.makeEntry({
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id: row.id,
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title: `${(from === 'series' ? 'Серия: ': '')}${from === 'author' ? this.bookAuthor(row[from]) : row[from]}`,
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link: this.navLink({href: `/${from}?${from}==${encodeURIComponent(row[from])}`}),
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content: {
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'*ATTRS': {type: 'text'},
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'*TEXT': `${row.bookCount} книг${utils.wordEnding(row.bookCount, 8)}`,
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},
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}),
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);
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}
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if (queryRes.totalFound > offset + found.length) {
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entry.push(
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this.makeEntry({
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id: 'next_page',
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title: '[Следующая страница]',
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link: this.navLink({href: `/${this.id}?type=${from}&term=${encodeURIComponent(query.term)}&genre=${encodeURIComponent(query.genre)}&page=${page + 1}`}),
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})
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);
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}
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} catch(e) {
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entry.push(
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this.makeEntry({
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id: 'error',
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title: `Ошибка: ${e.message}`,
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link: this.navLink({href: `/fake-error-link`}),
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})
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);
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}
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}
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} else {
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//корневой раздел
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entry = [
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this.makeEntry({
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id: 'search_author',
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title: 'Поиск авторов',
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link: this.navLink({href: `/${this.id}?type=author&term=${encodeURIComponent(query.term)}`}),
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content: {
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'*ATTRS': {type: 'text'},
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'*TEXT': `Искать по именам авторов`,
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},
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}),
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this.makeEntry({
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id: 'search_series',
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title: 'Поиск серий',
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link: this.navLink({href: `/${this.id}?type=series&term=${encodeURIComponent(query.term)}`}),
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content: {
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'*ATTRS': {type: 'text'},
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'*TEXT': `Искать по названиям серий`,
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},
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}),
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this.makeEntry({
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id: 'search_title',
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title: 'Поиск книг',
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link: this.navLink({href: `/${this.id}?type=title&term=${encodeURIComponent(query.term)}`}),
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content: {
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'*ATTRS': {type: 'text'},
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'*TEXT': `Искать по названиям книг`,
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},
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}),
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this.makeEntry({
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id: 'search_genre',
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title: 'Поиск книг в жанре',
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link: this.navLink({href: `/genre?from=search&term=${encodeURIComponent(query.term)}`}),
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content: {
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'*ATTRS': {type: 'text'},
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'*TEXT': `Искать по названиям книг в выбранном жанре`,
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},
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}),
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this.makeEntry({
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id: 'search_help',
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title: '[Памятка по поиску]',
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link: this.acqLink({href: `/search-help`}),
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content: {
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'*ATTRS': {type: 'text'},
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'*TEXT': `Описание формата поискового значения`,
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},
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}),
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]
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}
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result.entry = entry;
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return this.makeBody(result, req);
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}
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}
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module.exports = SearchPage; |