const mysql = require("mysql2/promise")
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const dayjs = require("dayjs")
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const log = require("../logger")
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const searchLib = require("./search")
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const {host, port, user, database, password} = require("./../settings").db
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/////////////////////////////////////////////////////////////////////////
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let poolP = initPool()
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async function initPool() {
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return mysql.createPool({
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host,
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port,
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database,
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user,
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password,
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})
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}
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/////////////////////////////////////////////////////////////////////////
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module.exports = {
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getUsers,
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getUserCount,
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getUserByLogin,
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getUserByUserId,
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getUserDefinedFields,
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getUserDefinedField,
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getUserTeilnahmen,
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getObjIdFromRefId,
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getRefIdFromObjId,
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getKurse,
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getKurs,
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getKursItems,
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getKursItems2,
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// getKursByObjId,
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// getKursByRefId,
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getKursTeilnehmer,
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getSingleKursTeilnehmer,
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getKursTeilnehmerCount,
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getKursOffline,
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setKursOffline,
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getUdf,
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getKursTeilnehmerRolle,
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getKursTeilnehmerByRole,
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getKursRoles,
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setStatus,
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}
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/////////////////////////////////////////////////////////////////////////
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async function getUserSearchQuery(offset, limit, search) {
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const sel = `usr_id, login, firstname, lastname, gender, email, institution, street, city, zipcode, country, department, active`
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if (!search || search === '') {
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return `SELECT ${sel}
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FROM ${database}.usr_data AS ud
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WHERE login REGEXP '^[0-9]+$'
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LIMIT ${limit}
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OFFSET ${offset}
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`
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} else {
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const ids = await searchLib.search(search)
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if (!ids.length) {
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throw "nothing found"
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return await getUserSearchQuery(offset, limit)
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} // nothing found
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return `SELECT ${sel}
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FROM ${database}.usr_data AS ud
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WHERE login REGEXP '^[0-9]+$'
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AND usr_id IN (${ids.join(",")})
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LIMIT ${limit}
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OFFSET ${offset}
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`
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}
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}
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async function getUsers(offset = 0, limit = 10, search = null) {
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log.info("++++++++++ get users", offset, limit, search)
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limit = Number(limit) || 10
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offset = Number(offset) || 0
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// TODO check args for SQL Injection
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const pool = await poolP
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try {
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let userSearchQuery = await getUserSearchQuery(offset, limit, search)
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// log.info(userSearchQuery)
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const [results, fields] = await pool.query(userSearchQuery)
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// console.log(results, fields)
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const count = await getUserCount(offset, limit, search)
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return {
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total: count,
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offset, limit,
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data: results,
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}
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} catch (ex) {
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return {
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total: 0,
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offset: 0,
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limit: 0,
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data: [],
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}
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}
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}
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async function getUserCount(offset, limit, search) {
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const pool = await poolP
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// const q = getUserSearchQuery(offset, limit, search)
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const q = await getUserSearchQuery(0, 1000000, search) // hier darf kein Limit sein, offset=0
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const q2 = `SELECT COUNT(*) AS count
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FROM (${q}) AS X`
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const [results, fields] = await pool.query(q2)
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return results[0].count
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// const [results, fields] = await pool.query(
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// `SELECT COUNT(*)
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// FROM ${database}.usr_data AS ud
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// WHERE login REGEXP '^[0-9]+$'`
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// )
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// return results[0]["COUNT(*)"]
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}
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async function getUserByLogin(login) {
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const sel = `usr_id, login, firstname, lastname, gender, email, institution, street, city, zipcode, country, department, active`
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// TODO check args for SQL Injection
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const pool = await poolP
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const [results, fields] = await pool.query(
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`SELECT ${sel}
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FROM ${database}.usr_data AS ud
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WHERE login = '${login}'`
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)
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return joinUDF(results[0])
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}
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async function getUserByUserId(userId) {
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const sel = `usr_id, login, firstname, lastname, gender, email, institution, street, city, zipcode, country, department, active`
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// TODO check args for SQL Injection
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const pool = await poolP
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const [results, fields] = await pool.query(
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`SELECT ${sel}
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FROM ${database}.usr_data AS ud
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WHERE usr_id = '${userId}'`
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)
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return joinUDF(results[0])
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}
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async function getUserDefinedFields() {
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const pool = await poolP
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const [results] = await pool.query(
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`SELECT ut.usr_id, ud.field_name, ut.value
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FROM ${database}.udf_definition ud
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JOIN ${database}.udf_text ut ON ut.field_id = ud.field_id`
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)
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return results
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}
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async function getUserDefinedField(usr_id) {
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const pool = await poolP
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const [results] = await pool.query(
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`SELECT ut.usr_id, ud.field_name, ut.value
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FROM ${database}.udf_definition ud
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JOIN ${database}.udf_text ut ON ut.field_id = ud.field_id
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WHERE ut.usr_id = '${usr_id}'
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`
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)
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return results
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}
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/////// obj_id / ref_id ////////////////////////////////////////////////////////////////
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/**
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* @param refId
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* @returns {Promise<{ref_id,obj_id}|undefined>}
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*/
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async function getObjIdFromRefId(refId) {
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const pool = await poolP
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const [results] = await pool.query(
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`SELECT ref_id, obj_id
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FROM ${database}.object_reference as obr
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WHERE obr.ref_id = ${refId}
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`
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)
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return results.length ? results[0] : undefined
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}
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async function getRefIdFromObjId(objId) {
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const pool = await poolP
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const [results] = await pool.query(
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`SELECT ref_id, obj_id
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FROM ${database}.object_reference as obr
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WHERE obr.obj_id = ${objId}
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`
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)
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return results.length ? results[0] : undefined
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}
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/////////////////////////////////////////////////////////////////////////
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async function promiseDelay(ms) {
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return new Promise(resolve => setTimeout(resolve, ms))
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}
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async function joinUDF(user) {
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if (!user) return user
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const fields = await getUserDefinedField(user.usr_id)
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for (const field of fields) {
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user[field.field_name] = field.value
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}
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return user
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}
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/////// Kurs ////////////////////////////////////////////////////////////////
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async function getKurse() {
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const pool = await poolP
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const q = `SELECT or2.ref_id, or2.obj_id, od.title, od.description, od.type, od.offline
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FROM ${database}.object_reference or2
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INNER JOIN ${database}.object_data od ON od.obj_id = or2.obj_id
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WHERE od.type = 'crs'
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AND or2.deleted IS NULL
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`
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const [results] = await pool.query(q)
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return results
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}
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// async function getKursByRefId (refId) {
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// const {ref_id, obj_id} = await getObjIdFromRefId(refId)
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// return getKursByObjId(obj_id)
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// }
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async function getKurs(ref_id) {
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const pool = await poolP
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const q = `SELECT or2.ref_id, or2.obj_id, od.title, od.description, od.type, od.create_date, od.offline
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FROM ${database}.object_reference or2
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INNER JOIN ${database}.object_data od ON od.obj_id = or2.obj_id
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WHERE or2.ref_id = '${ref_id}'
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AND or2.deleted IS NULL
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`
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let [results] = await pool.query(q)
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results = results.length ? results[0] : undefined
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return results
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}
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async function getKursItems(ref_id) {
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const pool = await poolP
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// const q = `SELECT or2.ref_id, or2.obj_id, od.title, od.description, od.type
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// FROM ${database}.object_reference or2
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// INNER JOIN ${database}.object_data od ON od.obj_id = or2.obj_id
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// WHERE or2.obj_id = '${obj_id}'
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// `
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const q = `SELECT ci.parent_id, or2.ref_id, or2.obj_id, od.title, od.type
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FROM ${database}.crs_items ci
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INNER JOIN ${database}.object_reference or2 ON or2.ref_id = ci.obj_id
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INNER JOIN ${database}.object_data od ON od.obj_id = or2.obj_id
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WHERE or2.ref_id = ${ref_id}
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OR parent_id = ${ref_id}
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AND or2.deleted is NULL
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`
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const [results] = await pool.query(q)
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return results
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}
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async function getKursItems2(ref_id) {
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const pool = await poolP
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const q = `
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WITH RECURSIVE tree (parent_id, obj_id, ref_id, title, type) AS
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(SELECT ci.parent_id,
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or2.obj_id,
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ci.obj_id as ref_id,
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od.title,
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od.type
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FROM ${database}.crs_items ci
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INNER JOIN ${database}.object_reference or2 ON or2.ref_id = ci.obj_id
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INNER JOIN ${database}.object_data od ON od.obj_id = or2.obj_id
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WHERE ci.obj_id = ${ref_id} -- Kurs ref_id
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AND or2.deleted is NULL
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UNION ALL
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SELECT child.parent_id,
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or2.obj_id,
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child.obj_id as ref_id,
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od.title,
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od.type
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FROM ${database}.crs_items child
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INNER JOIN ${database}.object_reference or2 ON or2.ref_id = child.obj_id
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INNER JOIN ${database}.object_data od ON od.obj_id = or2.obj_id
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JOIN tree ON child.parent_id = tree.ref_id
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WHERE or2.deleted is NULL)
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SELECT *
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FROM tree
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ORDER BY tree.ref_id
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`
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const [results] = await pool.query(q)
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return results
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}
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async function getKursTeilnehmer(ref_id) {
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const pool = await poolP
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const q = `SELECT ci.parent_id,
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or2.ref_id,
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or2.obj_id,
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od.title,
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od.type,
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om.usr_id,
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ud.login,
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ud.firstname,
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ud.lastname,
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ud.active,
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om.passed,
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ulm.status,
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ulm.status_changed
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FROM ${database}.crs_items ci
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INNER JOIN ${database}.object_reference or2 ON or2.ref_id = ci.obj_id
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INNER JOIN ${database}.object_data od ON od.obj_id = or2.obj_id
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INNER JOIN ${database}.obj_members om ON om.obj_id = or2.obj_id AND om.member = 1
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INNER JOIN ${database}.usr_data ud ON ud.usr_id = om.usr_id
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LEFT JOIN ${database}.ut_lp_marks ulm ON ulm.obj_id = or2.obj_id AND ud.usr_id = ulm.usr_id
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WHERE (or2.ref_id = ${ref_id} OR parent_id = ${ref_id})
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AND or2.deleted IS NULL
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ORDER BY usr_id
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`
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// log.info(q)
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const [results] = await pool.query(q)
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return results
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}
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async function getSingleKursTeilnehmer(ref_id, usr_id) {
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const pool = await poolP
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const q = `SELECT ci.parent_id,
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or2.ref_id,
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or2.obj_id,
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od.title,
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od.type,
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om.usr_id,
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ud.login,
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ud.firstname,
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ud.lastname,
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ud.active,
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om.passed,
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ulm.status,
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ulm.status_changed
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FROM ${database}.crs_items ci
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INNER JOIN ${database}.object_reference or2 ON or2.ref_id = ci.obj_id
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INNER JOIN ${database}.object_data od ON od.obj_id = or2.obj_id
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INNER JOIN ${database}.obj_members om ON om.obj_id = or2.obj_id AND om.member = 1
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INNER JOIN ${database}.usr_data ud ON ud.usr_id = om.usr_id
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LEFT JOIN ${database}.ut_lp_marks ulm ON ulm.obj_id = or2.obj_id AND ud.usr_id = ulm.usr_id
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WHERE (or2.ref_id = ${ref_id}
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OR parent_id = ${ref_id})
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AND om.usr_id = ${usr_id}
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ORDER BY usr_id
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`
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// log.info(q)
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const [results] = await pool.query(q)
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return results[0]
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}
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async function getKursTeilnehmerCount(ref_id) {
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const pool = await poolP
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const q = `SELECT COUNT(*) as count
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FROM ${database}.crs_items ci
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INNER JOIN ${database}.object_reference or2
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ON or2.ref_id = ci.obj_id
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INNER JOIN ${database}.object_data od ON od.obj_id = or2.obj_id
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INNER JOIN ${database}.obj_members om ON om.obj_id = or2.obj_id AND om.member = 1
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INNER JOIN ${database}.usr_data ud ON ud.usr_id = om.usr_id
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LEFT JOIN ${database}.ut_lp_marks ulm ON ulm.obj_id = or2.obj_id AND ud.usr_id = ulm.usr_id
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WHERE (or2.ref_id = ${ref_id}
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OR parent_id = ${ref_id})
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ORDER BY usr_id
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`
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let [results] = await pool.query(q)
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results = results.length ? results[0] : undefined
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return {ref_id, count: results.count}
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}
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async function getUserTeilnahmen(usr_id) {
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const pool = await poolP
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const q = `SELECT om.obj_id, or2.ref_id, om.usr_id, od.title, ulm.status, om.passed, ulm.status_changed
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FROM ${database}.obj_members om
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INNER JOIN ${database}.object_reference or2 ON or2.obj_id = om.obj_id
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INNER JOIN ${database}.usr_data ud ON ud.usr_id = om.usr_id
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INNER JOIN ${database}.object_data od ON od.obj_id = om.obj_id
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LEFT JOIN ${database}.ut_lp_marks ulm
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ON ulm.usr_id = om.usr_id AND ulm.obj_id = om.obj_id
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WHERE om.usr_id = ${usr_id}
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AND om.member = 1
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`
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// log.info(q).catch(console.error)
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const [results] = await pool.query(q)
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return results
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}
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async function getKursOffline(obj_id) {
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const pool = await poolP
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const q = `SELECT offline
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FROM ${database}.object_data
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WHERE obj_id = ${obj_id}
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`
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const [results] = await pool.query(q)
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return results[0]
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}
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async function setKursOffline(isOffline, obj_id) {
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const pool = await poolP
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const q = `UPDATE ${database}.object_data
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SET offline = ${isOffline}
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WHERE obj_id = ${obj_id}
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`
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const [results] = await pool.query(q)
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// return results
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return {offline: isOffline}
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}
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/////// UDF ////////////////////////////////////////////////////////////////
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async function getUdf() {
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const pool = await poolP
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const q = `SELECT field_id, field_name, field_type
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from ${database}.udf_definition;`
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const [results] = await pool.query(q)
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return results
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}
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/////// ROLLEN ////////////////////////////////////////////////////////////////
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async function getKursTeilnehmerRolle(obj_id) {
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const pool = await poolP
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const q = `SELECT obj_id, title, description
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from object_data od
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WHERE type = "role" #AND title LIKE 'il_crs_member_157'
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AND od.description LIKE 'Member%${obj_id}'
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`
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const [results] = await pool.query(q)
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// darf nur einen Treffer ergeben
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if (results.length) {
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const {obj_id, title, description} = results[0]
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return obj_id
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} else {
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return null
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}
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}
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async function getKursTeilnehmerByRole(obj_id) {
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const pool = await poolP
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const q = `
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SELECT obj_id as role_id, ru.usr_id, ud.firstname, ud.lastname
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FROM ${database}.object_data od
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INNER JOIN ${database}.rbac_ua ru ON ru.rol_id = od.obj_id
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INNER JOIN ${database}.usr_data ud ON ud.usr_id = ru.usr_id
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WHERE type = "role" #AND title LIKE 'il_crs_member_157'
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AND od.description LIKE 'Member%${obj_id}'
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`
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const [results] = await pool.query(q)
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return results
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}
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async function getKursRoles(ref_id) {
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const pool = await poolP
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const q = `
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SELECT pa.rol_id, or2.ref_id, or2.obj_id, od2.type, od2.title, od2.description
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FROM ${database}.rbac_pa pa
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INNER JOIN ${database}.object_reference or2 ON or2.ref_id = pa.ref_id
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INNER JOIN ${database}.object_data od ON od.obj_id = or2.obj_id
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INNER JOIN ${database}.object_data od2 ON od2.obj_id = pa.rol_id
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WHERE pa.ref_id = ${ref_id}
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`
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const [results] = await pool.query(q)
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return results
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}
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/////// STATUS ////////////////////////////////////////////////////////////////
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/**
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* Zwei Möglichkeiten:
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* 1. es gibt schon einen Eintrag in ut_lp_marks, dann muss man diesen updaten
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* 2. es gibt noch keinen Eintrag in ut_lp_marks, dann muss erst einer erstellt werden (NEIN! Für neuen TN sind bereits beide Einträge vorhanden, kann also wegfallen)
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*
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* Weiterhin haben wir es mit zwei Tabellen zu tun:
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* - obj_members (passed)
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* - ut_lp_marks (status)
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*
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* UPDATE: Wir nehmen an, dass beide Einträge schon vorhanden sind!
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*
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* @param courseId
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* @param userId
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* @param {Number} passed
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* @param {Number} status
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* @returns {Promise<{status: string}>}
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*/
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async function setStatus(courseId, userId, passed = null, status = null) {
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const pool = await poolP
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log.info(`------------setStatus----- courseId=${courseId} userId=${userId} passed=${passed} status=${status}`)
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passed = isNaN(Number(passed)) ? passed : Number(passed)
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status = isNaN(Number(status)) ? status : Number(status)
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// ACHTUNG Transactions funktioneren so nicht, erst mal ohne machen...
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const q = `
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START TRANSACTION;
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UPDATE ${database}.ut_lp_marks ulm
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SET status = ${status}
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WHERE ulm.usr_id = 31793 AND ulm.obj_id = 32212;
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UPDATE ${database}.obj_members om
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SET passed = ${passed}
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WHERE om.usr_id = ${userId} AND om.obj_id = ${courseId};
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COMMIT;
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`
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let date = dayjs().format('YYYY-MM-DD HH:mm:ss')
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const q1 = `
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UPDATE ${database}.ut_lp_marks ulm
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SET status = ${status},
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status_changed = "${date}"
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WHERE ulm.usr_id = ${userId}
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AND ulm.obj_id = ${courseId};
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`
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const q2 = `
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UPDATE ${database}.obj_members om
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SET passed = ${passed}
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WHERE om.usr_id = ${userId}
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AND om.obj_id = ${courseId};
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`
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const [results1] = await pool.query(q1)
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const [results2] = await pool.query(q2)
|
const {affectedRows: affectedRows1} = results1
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const {affectedRows: affectedRows2} = results2
|
|
if (affectedRows1 && affectedRows2) {
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return {status: "ok"}
|
} else {
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throw {
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status: "error",
|
reason: {affectedRows1, affectedRows2}
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}
|
}
|
}
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