Rajarshee Chatterjee
96 lines
2.9 KiB
JavaScript
96 lines
2.9 KiB
JavaScript
import * as SQLite from 'expo-sqlite';
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const db = SQLite.openDatabase('lnreader.db');
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const getLibraryQuery = (sort, filter) => `
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SELECT novels.*, C.chaptersUnread, D.chaptersDownloaded, H.lastReadAt
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FROM novels
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LEFT JOIN (
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SELECT chapters.novelId, COUNT(*) AS chaptersUnread
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FROM chapters
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WHERE chapters.read = 0
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GROUP BY chapters.novelId
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) AS C
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ON novels.novelId = C.novelId
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LEFT JOIN (
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SELECT chapters.novelId, COUNT(*) AS chaptersDownloaded
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FROM chapters
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WHERE chapters.downloaded = 1
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GROUP BY chapters.novelId
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) AS D
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ON novels.novelId = D.novelId
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LEFT JOIN (
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SELECT history.historyNovelId as novelId, historyTimeRead AS lastReadAt
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FROM history
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GROUP BY history.historyNovelId
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HAVING history.historyTimeRead = MAX(history.historyTimeRead)
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ORDER BY history.historyTimeRead DESC
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) AS H
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ON novels.novelId = H.novelId
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WHERE novels.followed = 1 ${filter ? 'AND ' + filter : ''}
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${sort ? 'ORDER BY ' + sort : ''}
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`;
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export const getLibrary = (sort, filter) => {
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return new Promise((resolve, reject) =>
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db.transaction(tx => {
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tx.executeSql(
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getLibraryQuery(sort, filter),
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null,
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(txObj, { rows: { _array } }) => {
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// console.log(JSON.stringify(_array, null, 2));
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resolve(_array);
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},
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(txObj, error) => {
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// console.log('Error ', error);
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},
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);
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}),
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);
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};
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const searchLibraryQuery = (searchText, sort, filter) =>
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`
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SELECT novels.*, C.chaptersUnread, D.chaptersDownloaded, H.lastReadAt
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FROM novels
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LEFT JOIN (
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SELECT chapters.novelId, COUNT(*) AS chaptersUnread
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FROM chapters
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WHERE chapters.read = 0
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GROUP BY chapters.novelId
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) AS C
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ON novels.novelId = C.novelId
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LEFT JOIN (
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SELECT chapters.novelId, COUNT(*) AS chaptersDownloaded
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FROM chapters
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WHERE chapters.downloaded = 1
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GROUP BY chapters.novelId
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) AS D
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ON novels.novelId = D.novelId
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LEFT JOIN (
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SELECT history.historyNovelId as novelId, historyTimeRead AS lastReadAt
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FROM history
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GROUP BY history.historyNovelId
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HAVING history.historyTimeRead = MAX(history.historyTimeRead)
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ORDER BY history.historyTimeRead DESC
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) AS H
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ON novels.novelId = H.novelId
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WHERE novels.followed = 1 AND novelName LIKE '%${searchText}%' ${
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filter ? 'AND ' + filter : ''
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}
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${sort ? 'ORDER BY ' + sort : ''} `;
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export const searchLibrary = (searchText, sort, filter) => {
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return new Promise((resolve, reject) => {
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db.transaction(tx => {
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tx.executeSql(
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searchLibraryQuery(searchText, sort, filter),
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null,
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(txObj, { rows: { _array } }) => resolve(_array),
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(txObj, error) => {
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// console.log('Error ', error);
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},
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);
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});
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});
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};
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