From b14c0a2d23482c2afd77f22fe1646b86b5150281 Mon Sep 17 00:00:00 2001
From: alex <alex@alexloehr.net>
Date: Fri, 06 Jun 2025 16:17:33 +0000
Subject: [PATCH] adding search
---
lib/db.js | 101 ++++++++++++++++++++++++++++++++++++++++----------
1 files changed, 81 insertions(+), 20 deletions(-)
diff --git a/lib/db.js b/lib/db.js
index cf1117c..3a59978 100644
--- a/lib/db.js
+++ b/lib/db.js
@@ -1,5 +1,6 @@
const mysql = require("mysql2/promise")
+const searchLib = require("./search")
const {host, port, user, database, password} = require("./../settings").db
/////////////////////////////////////////////////////////////////////////
@@ -33,6 +34,7 @@
getKurse,
getKurs,
getKursItems,
+ getKursItems2,
// getKursByObjId,
// getKursByRefId,
getKursTeilnehmer,
@@ -42,23 +44,41 @@
/////////////////////////////////////////////////////////////////////////
-async function getUsers (offset = 0, limit = 10) {
+function getUserSearchQuery (offset, limit, search) {
+ const sel = `usr_id, login, firstname, lastname, gender, email, institution, street, city, zipcode, country, department, active`
+ if (!search || search === '') {
+ return `SELECT ${sel}
+ FROM ${database}.usr_data AS ud
+ WHERE login REGEXP '^[0-9]+$'
+ LIMIT ${limit}
+ OFFSET ${offset}
+ `
+ }
+ else {
+ const ids = searchLib.search(search)
+ if (!ids.length) return getUserSearchQuery(offset, limit) // nothing found
+ return `SELECT ${sel}
+ FROM ${database}.usr_data AS ud
+ WHERE login REGEXP '^[0-9]+$'
+ AND usr_id IN (${ids.join(",")})
+ LIMIT ${limit}
+ OFFSET ${offset}
+ `
+ }
+}
+
+async function getUsers (offset = 0, limit = 10, search = null) {
+ console.log("++++++++++ get users", offset, limit, search)
limit = Number(limit) || 10
offset = Number(offset) || 0
- const sel = `usr_id, login, firstname, lastname, gender, email, institution, street, city, zipcode, country, department, active`
- // TODO user defined fields
// TODO check args for SQL Injection
const pool = await poolP
- const [results, fields] = await pool.query(
- `SELECT ${sel}
- FROM ${database}.usr_data AS ud
- WHERE login REGEXP '^[0-9]+$'
- LIMIT ${limit}
- OFFSET ${offset}
- `
- )
- const count = await getUserCount()
+
+ let userSearchQuery = getUserSearchQuery(offset, limit, search)
+ // console.log(userSearchQuery)
+ const [results, fields] = await pool.query(userSearchQuery)
+ const count = await getUserCount(offset, limit, search)
return {
total: count,
offset, limit,
@@ -66,14 +86,21 @@
}
}
-async function getUserCount () {
+async function getUserCount (offset, limit, search) {
const pool = await poolP
- const [results, fields] = await pool.query(
- `SELECT COUNT(*)
- FROM ${database}.usr_data AS ud
- WHERE login REGEXP '^[0-9]+$'`
- )
- return results[0]["COUNT(*)"]
+ // const q = getUserSearchQuery(offset, limit, search)
+ const q = getUserSearchQuery(0, 1000000, search) // hier darf kein Limit sein, offset=0
+ const q2 = `SELECT COUNT(*) AS count
+ FROM (${q}) AS X`
+ const [results, fields] = await pool.query(q2)
+ return results[0].count
+
+ // const [results, fields] = await pool.query(
+ // `SELECT COUNT(*)
+ // FROM ${database}.usr_data AS ud
+ // WHERE login REGEXP '^[0-9]+$'`
+ // )
+ // return results[0]["COUNT(*)"]
}
async function getUserByLogin (login) {
@@ -213,6 +240,40 @@
return results
}
+async function getKursItems2 (ref_id) {
+ const pool = await poolP
+ const q = `
+ WITH RECURSIVE tree (parent_id, obj_id, ref_id, title, type) AS (SELECT ci.parent_id,
+ or2.obj_id,
+ ci.obj_id as ref_id,
+ od.title,
+ od.type
+ FROM ${database}.crs_items ci
+ INNER JOIN ${database}.object_reference or2 ON or2.ref_id = ci.obj_id
+ INNER JOIN ${database}.object_data od ON od.obj_id = or2.obj_id
+ WHERE ci.obj_id = ${ref_id} -- Kurs ref_id
+ AND or2.deleted is NULL
+
+ UNION ALL
+
+ SELECT child.parent_id,
+ or2.obj_id,
+ child.obj_id as ref_id,
+ od.title,
+ od.type
+ FROM ${database}.crs_items child
+ INNER JOIN ${database}.object_reference or2 ON or2.ref_id = child.obj_id
+ INNER JOIN ${database}.object_data od ON od.obj_id = or2.obj_id
+ JOIN tree ON child.parent_id = tree.ref_id
+ WHERE or2.deleted is NULL)
+ SELECT *
+ FROM tree
+ ORDER BY tree.ref_id
+ `
+ const [results] = await pool.query(q)
+ return results
+}
+
async function getKursTeilnehmer (ref_id) {
const pool = await poolP
const q = `SELECT ci.parent_id,
@@ -262,7 +323,7 @@
async function getUserTeilnahmen (usr_id) {
const pool = await poolP
- const q = `SELECT om.obj_id, or2.ref_id , om.usr_id, od.title , ulm.status, om.passed, ulm.status_changed
+ const q = `SELECT om.obj_id, or2.ref_id, om.usr_id, od.title, ulm.status, om.passed, ulm.status_changed
FROM ${database}.obj_members om
INNER JOIN ${database}.object_reference or2 ON or2.obj_id = om.obj_id
INNER JOIN ${database}.usr_data ud ON ud.usr_id = om.usr_id
--
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