557 lines
14 KiB
JavaScript
557 lines
14 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 SubjectsDBApi {
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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 subjects = await db.subjects.create(
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{
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id: data.id || undefined,
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subject_code: data.subject_code
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||
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null
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,
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subject_title: data.subject_title
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null
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,
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units: data.units
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null
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,
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hours_per_week: data.hours_per_week
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null
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,
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subject_category: data.subject_category
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null
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,
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room_requirement: data.room_requirement
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null
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,
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is_active: data.is_active
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false
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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 subjects.setDepartment( data.department || null, {
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transaction,
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});
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return subjects;
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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 subjectsData = data.map((item, index) => ({
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id: item.id || undefined,
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subject_code: item.subject_code
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null
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,
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subject_title: item.subject_title
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null
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,
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units: item.units
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null
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,
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hours_per_week: item.hours_per_week
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null
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,
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subject_category: item.subject_category
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null
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,
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room_requirement: item.room_requirement
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null
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,
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is_active: item.is_active
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false
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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 subjects = await db.subjects.bulkCreate(subjectsData, { transaction });
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// For each item created, replace relation files
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return subjects;
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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 subjects = await db.subjects.findByPk(id, {}, {transaction});
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const updatePayload = {};
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if (data.subject_code !== undefined) updatePayload.subject_code = data.subject_code;
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if (data.subject_title !== undefined) updatePayload.subject_title = data.subject_title;
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if (data.units !== undefined) updatePayload.units = data.units;
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if (data.hours_per_week !== undefined) updatePayload.hours_per_week = data.hours_per_week;
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if (data.subject_category !== undefined) updatePayload.subject_category = data.subject_category;
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if (data.room_requirement !== undefined) updatePayload.room_requirement = data.room_requirement;
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if (data.is_active !== undefined) updatePayload.is_active = data.is_active;
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updatePayload.updatedById = currentUser.id;
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await subjects.update(updatePayload, {transaction});
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if (data.department !== undefined) {
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await subjects.setDepartment(
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data.department,
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{ transaction }
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);
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}
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return subjects;
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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 subjects = await db.subjects.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 subjects) {
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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 subjects) {
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await record.destroy({transaction});
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}
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});
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return subjects;
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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 subjects = await db.subjects.findByPk(id, options);
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await subjects.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 subjects.destroy({
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transaction
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});
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return subjects;
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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 subjects = await db.subjects.findOne(
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{ where },
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{ transaction },
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);
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if (!subjects) {
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return subjects;
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}
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const output = subjects.get({plain: true});
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output.professor_subject_capabilities_subject = await subjects.getProfessor_subject_capabilities_subject({
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transaction
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});
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output.professor_preferences_subject = await subjects.getProfessor_preferences_subject({
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transaction
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});
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output.class_schedules_subject = await subjects.getClass_schedules_subject({
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transaction
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});
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output.professor_teaching_histories_subject = await subjects.getProfessor_teaching_histories_subject({
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transaction
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});
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output.department = await subjects.getDepartment({
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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.departments,
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as: 'department',
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where: filter.department ? {
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[Op.or]: [
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{ id: { [Op.in]: filter.department.split('|').map(term => Utils.uuid(term)) } },
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{
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department_name: {
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[Op.or]: filter.department.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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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.subject_code) {
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where = {
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...where,
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[Op.and]: Utils.ilike(
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'subjects',
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'subject_code',
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filter.subject_code,
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),
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};
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}
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if (filter.subject_title) {
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where = {
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...where,
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[Op.and]: Utils.ilike(
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'subjects',
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'subject_title',
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filter.subject_title,
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),
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};
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}
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if (filter.unitsRange) {
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const [start, end] = filter.unitsRange;
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if (start !== undefined && start !== null && start !== '') {
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where = {
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...where,
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units: {
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...where.units,
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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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units: {
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...where.units,
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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.hours_per_weekRange) {
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const [start, end] = filter.hours_per_weekRange;
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if (start !== undefined && start !== null && start !== '') {
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where = {
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...where,
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hours_per_week: {
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...where.hours_per_week,
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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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hours_per_week: {
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...where.hours_per_week,
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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.subject_category) {
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where = {
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...where,
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subject_category: filter.subject_category,
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};
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}
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if (filter.room_requirement) {
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where = {
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...where,
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room_requirement: filter.room_requirement,
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};
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}
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if (filter.is_active) {
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where = {
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...where,
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is_active: filter.is_active,
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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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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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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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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]]
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: [['createdAt', 'desc']],
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transaction: options?.transaction,
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logging: console.log
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};
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if (!options?.countOnly) {
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queryOptions.limit = limit ? Number(limit) : undefined;
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queryOptions.offset = offset ? Number(offset) : undefined;
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}
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try {
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const { rows, count } = await db.subjects.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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};
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} catch (error) {
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console.error('Error executing query:', error);
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throw error;
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}
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}
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static async findAllAutocomplete(query, limit, offset, ) {
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let where = {};
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if (query) {
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where = {
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[Op.or]: [
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{ ['id']: Utils.uuid(query) },
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Utils.ilike(
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'subjects',
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'subject_title',
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query,
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),
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],
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};
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}
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const records = await db.subjects.findAll({
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attributes: [ 'id', 'subject_title' ],
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where,
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limit: limit ? Number(limit) : undefined,
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offset: offset ? Number(offset) : undefined,
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orderBy: [['subject_title', 'ASC']],
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});
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return records.map((record) => ({
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id: record.id,
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label: record.subject_title,
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}));
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}
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};
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