719 lines
17 KiB
JavaScript
719 lines
17 KiB
JavaScript
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const db = require('../models');
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const FileDBApi = require('./file');
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const crypto = require('crypto');
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const Utils = require('../utils');
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const Sequelize = db.Sequelize;
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const Op = Sequelize.Op;
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module.exports = class LessonsDBApi {
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static async create(data, options) {
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const currentUser = (options && options.currentUser) || { id: null };
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const transaction = (options && options.transaction) || undefined;
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const lessons = await db.lessons.create(
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{
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id: data.id || undefined,
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title: data.title
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||
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null
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,
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slug: data.slug
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||
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null
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,
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lesson_type: data.lesson_type
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||
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null
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,
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content: data.content
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||
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null
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,
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video_url: data.video_url
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||
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null
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,
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duration_minutes: data.duration_minutes
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null
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,
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is_preview: data.is_preview
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false
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,
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status: data.status
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null
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,
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position: data.position
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null
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,
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published_at: data.published_at
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||
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null
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,
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importHash: data.importHash || null,
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createdById: currentUser.id,
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updatedById: currentUser.id,
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},
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{ transaction },
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);
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await lessons.setCourse( data.course || null, {
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transaction,
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});
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await lessons.setSection( data.section || null, {
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transaction,
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});
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await FileDBApi.replaceRelationFiles(
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{
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belongsTo: db.lessons.getTableName(),
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belongsToColumn: 'attachments',
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belongsToId: lessons.id,
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},
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data.attachments,
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options,
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);
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return lessons;
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}
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static async bulkImport(data, options) {
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const currentUser = (options && options.currentUser) || { id: null };
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const transaction = (options && options.transaction) || undefined;
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// Prepare data - wrapping individual data transformations in a map() method
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const lessonsData = data.map((item, index) => ({
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id: item.id || undefined,
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title: item.title
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null
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,
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slug: item.slug
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null
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,
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lesson_type: item.lesson_type
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null
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,
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content: item.content
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null
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,
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video_url: item.video_url
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null
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,
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duration_minutes: item.duration_minutes
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null
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,
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is_preview: item.is_preview
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false
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,
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status: item.status
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null
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,
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position: item.position
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null
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,
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published_at: item.published_at
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null
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,
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importHash: item.importHash || null,
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createdById: currentUser.id,
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updatedById: currentUser.id,
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createdAt: new Date(Date.now() + index * 1000),
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}));
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// Bulk create items
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const lessons = await db.lessons.bulkCreate(lessonsData, { transaction });
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// For each item created, replace relation files
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for (let i = 0; i < lessons.length; i++) {
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await FileDBApi.replaceRelationFiles(
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{
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belongsTo: db.lessons.getTableName(),
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belongsToColumn: 'attachments',
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belongsToId: lessons[i].id,
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},
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data[i].attachments,
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options,
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);
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}
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return lessons;
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}
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static async update(id, data, options) {
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const currentUser = (options && options.currentUser) || {id: null};
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const transaction = (options && options.transaction) || undefined;
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const lessons = await db.lessons.findByPk(id, {}, {transaction});
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const updatePayload = {};
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if (data.title !== undefined) updatePayload.title = data.title;
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if (data.slug !== undefined) updatePayload.slug = data.slug;
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if (data.lesson_type !== undefined) updatePayload.lesson_type = data.lesson_type;
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if (data.content !== undefined) updatePayload.content = data.content;
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if (data.video_url !== undefined) updatePayload.video_url = data.video_url;
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if (data.duration_minutes !== undefined) updatePayload.duration_minutes = data.duration_minutes;
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if (data.is_preview !== undefined) updatePayload.is_preview = data.is_preview;
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if (data.status !== undefined) updatePayload.status = data.status;
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if (data.position !== undefined) updatePayload.position = data.position;
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if (data.published_at !== undefined) updatePayload.published_at = data.published_at;
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updatePayload.updatedById = currentUser.id;
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await lessons.update(updatePayload, {transaction});
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if (data.course !== undefined) {
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await lessons.setCourse(
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data.course,
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{ transaction }
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);
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}
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if (data.section !== undefined) {
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await lessons.setSection(
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data.section,
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{ transaction }
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);
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}
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await FileDBApi.replaceRelationFiles(
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{
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belongsTo: db.lessons.getTableName(),
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belongsToColumn: 'attachments',
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belongsToId: lessons.id,
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},
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data.attachments,
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options,
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);
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return lessons;
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}
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static async deleteByIds(ids, options) {
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const currentUser = (options && options.currentUser) || { id: null };
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const transaction = (options && options.transaction) || undefined;
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const lessons = await db.lessons.findAll({
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where: {
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id: {
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[Op.in]: ids,
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},
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},
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transaction,
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});
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await db.sequelize.transaction(async (transaction) => {
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for (const record of lessons) {
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await record.update(
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{deletedBy: currentUser.id},
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{transaction}
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);
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}
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for (const record of lessons) {
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await record.destroy({transaction});
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}
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});
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return lessons;
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}
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static async remove(id, options) {
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const currentUser = (options && options.currentUser) || {id: null};
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const transaction = (options && options.transaction) || undefined;
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const lessons = await db.lessons.findByPk(id, options);
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await lessons.update({
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deletedBy: currentUser.id
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}, {
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transaction,
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});
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await lessons.destroy({
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transaction
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});
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return lessons;
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}
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static async findBy(where, options) {
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const transaction = (options && options.transaction) || undefined;
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const lessons = await db.lessons.findOne(
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{ where },
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{ transaction },
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);
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if (!lessons) {
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return lessons;
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}
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const output = lessons.get({plain: true});
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output.lesson_progress_lesson = await lessons.getLesson_progress_lesson({
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transaction
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});
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output.quizzes_lesson = await lessons.getQuizzes_lesson({
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transaction
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});
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output.assignment_submissions_lesson = await lessons.getAssignment_submissions_lesson({
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transaction
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});
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output.course = await lessons.getCourse({
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transaction
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});
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output.section = await lessons.getSection({
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transaction
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});
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output.attachments = await lessons.getAttachments({
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transaction
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});
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return output;
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}
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static async findAll(
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filter,
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options
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) {
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const limit = filter.limit || 0;
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let offset = 0;
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let where = {};
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const currentPage = +filter.page;
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offset = currentPage * limit;
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const orderBy = null;
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const transaction = (options && options.transaction) || undefined;
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let include = [
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{
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model: db.courses,
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as: 'course',
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where: filter.course ? {
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[Op.or]: [
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{ id: { [Op.in]: filter.course.split('|').map(term => Utils.uuid(term)) } },
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{
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title: {
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[Op.or]: filter.course.split('|').map(term => ({ [Op.iLike]: `%${term}%` }))
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}
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},
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]
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} : {},
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},
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{
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model: db.course_sections,
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as: 'section',
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where: filter.section ? {
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[Op.or]: [
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{ id: { [Op.in]: filter.section.split('|').map(term => Utils.uuid(term)) } },
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{
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title: {
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[Op.or]: filter.section.split('|').map(term => ({ [Op.iLike]: `%${term}%` }))
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}
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},
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]
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} : {},
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},
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{
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model: db.file,
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as: 'attachments',
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},
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];
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if (filter) {
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if (filter.id) {
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where = {
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...where,
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['id']: Utils.uuid(filter.id),
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};
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}
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if (filter.title) {
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where = {
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...where,
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[Op.and]: Utils.ilike(
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'lessons',
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'title',
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filter.title,
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),
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};
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}
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if (filter.slug) {
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where = {
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...where,
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[Op.and]: Utils.ilike(
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'lessons',
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'slug',
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filter.slug,
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),
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};
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}
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if (filter.content) {
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where = {
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...where,
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[Op.and]: Utils.ilike(
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'lessons',
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'content',
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filter.content,
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),
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};
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}
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if (filter.video_url) {
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where = {
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...where,
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[Op.and]: Utils.ilike(
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'lessons',
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'video_url',
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filter.video_url,
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),
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};
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}
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if (filter.duration_minutesRange) {
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const [start, end] = filter.duration_minutesRange;
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if (start !== undefined && start !== null && start !== '') {
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where = {
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...where,
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duration_minutes: {
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...where.duration_minutes,
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[Op.gte]: start,
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},
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};
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}
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if (end !== undefined && end !== null && end !== '') {
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where = {
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...where,
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duration_minutes: {
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...where.duration_minutes,
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[Op.lte]: end,
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},
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};
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}
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}
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if (filter.positionRange) {
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const [start, end] = filter.positionRange;
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if (start !== undefined && start !== null && start !== '') {
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where = {
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...where,
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position: {
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...where.position,
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[Op.gte]: start,
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},
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};
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}
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if (end !== undefined && end !== null && end !== '') {
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where = {
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...where,
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position: {
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...where.position,
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[Op.lte]: end,
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},
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};
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}
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}
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if (filter.published_atRange) {
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const [start, end] = filter.published_atRange;
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if (start !== undefined && start !== null && start !== '') {
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where = {
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...where,
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published_at: {
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...where.published_at,
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[Op.gte]: start,
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},
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};
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}
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if (end !== undefined && end !== null && end !== '') {
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where = {
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...where,
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published_at: {
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...where.published_at,
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[Op.lte]: end,
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},
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};
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}
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}
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if (filter.active !== undefined) {
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where = {
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...where,
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active: filter.active === true || filter.active === 'true'
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};
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}
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if (filter.lesson_type) {
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where = {
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...where,
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lesson_type: filter.lesson_type,
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};
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}
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if (filter.is_preview) {
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where = {
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...where,
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is_preview: filter.is_preview,
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};
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}
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if (filter.status) {
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where = {
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...where,
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status: filter.status,
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};
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}
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|
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|
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|
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if (filter.createdAtRange) {
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const [start, end] = filter.createdAtRange;
|
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|
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if (start !== undefined && start !== null && start !== '') {
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where = {
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...where,
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['createdAt']: {
|
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...where.createdAt,
|
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[Op.gte]: start,
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},
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};
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}
|
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|
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if (end !== undefined && end !== null && end !== '') {
|
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where = {
|
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...where,
|
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['createdAt']: {
|
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...where.createdAt,
|
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[Op.lte]: end,
|
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},
|
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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 queryOptions = {
|
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where,
|
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include,
|
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distinct: true,
|
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order: filter.field && filter.sort
|
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? [[filter.field, filter.sort]]
|
|
: [['createdAt', 'desc']],
|
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transaction: options?.transaction,
|
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logging: console.log
|
|
};
|
|
|
|
if (!options?.countOnly) {
|
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queryOptions.limit = limit ? Number(limit) : undefined;
|
|
queryOptions.offset = offset ? Number(offset) : undefined;
|
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}
|
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|
|
try {
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const { rows, count } = await db.lessons.findAndCountAll(queryOptions);
|
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|
|
return {
|
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rows: options?.countOnly ? [] : rows,
|
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count: count
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};
|
|
} catch (error) {
|
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console.error('Error executing query:', error);
|
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throw error;
|
|
}
|
|
}
|
|
|
|
static async findAllAutocomplete(query, limit, offset, ) {
|
|
let where = {};
|
|
|
|
|
|
|
|
if (query) {
|
|
where = {
|
|
[Op.or]: [
|
|
{ ['id']: Utils.uuid(query) },
|
|
Utils.ilike(
|
|
'lessons',
|
|
'title',
|
|
query,
|
|
),
|
|
],
|
|
};
|
|
}
|
|
|
|
const records = await db.lessons.findAll({
|
|
attributes: [ 'id', 'title' ],
|
|
where,
|
|
limit: limit ? Number(limit) : undefined,
|
|
offset: offset ? Number(offset) : undefined,
|
|
orderBy: [['title', 'ASC']],
|
|
});
|
|
|
|
return records.map((record) => ({
|
|
id: record.id,
|
|
label: record.title,
|
|
}));
|
|
}
|
|
|
|
|
|
};
|
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|