From 9c51cd91ccf824342963491faeb435aa1ddeb22f Mon Sep 17 00:00:00 2001
From: alex <alex@alexloehr.net>
Date: Fri, 06 Jun 2025 15:32:58 +0000
Subject: [PATCH] adding search

---
 lib/db.js |  135 ++++++++++++++++++++++++++++++++++++++-------
 1 files changed, 114 insertions(+), 21 deletions(-)

diff --git a/lib/db.js b/lib/db.js
index 8f8c3f5..19519c1 100644
--- a/lib/db.js
+++ b/lib/db.js
@@ -25,20 +25,27 @@
    getUserByUserId,
    getUserDefinedFields,
    getUserDefinedField,
+   getUserTeilnahmen,
 
    getObjIdFromRefId,
    getRefIdFromObjId,
 
    getKurse,
+   getKurs,
    getKursItems,
+   getKursItems2,
    // getKursByObjId,
    // getKursByRefId,
-   getTeilnehmer,
+   getKursTeilnehmer,
+   getKursTeilnehmerCount,
+
 }
 
 /////////////////////////////////////////////////////////////////////////
 
 async function getUsers (offset = 0, limit = 10) {
+   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
@@ -72,30 +79,26 @@
 
 async function getUserByLogin (login) {
    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 ${database}.usr_data AS ud
-       WHERE login = '${login}'
-         AND login REGEXP '^[0-9]+$'`
+       WHERE login = '${login}'`
    )
    return joinUDF(results[0])
 }
 
 async function getUserByUserId (userId) {
    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 ${database}.usr_data AS ud
-       WHERE usr_id = '${userId}'
-         AND login REGEXP '^[0-9]+$'`
+       WHERE usr_id = '${userId}'`
    )
    return joinUDF(results[0])
 }
@@ -153,6 +156,7 @@
 }
 
 async function joinUDF (user) {
+   if (!user) return user
    const fields = await getUserDefinedField(user.usr_id)
    for (const field of fields) {
       user[field.field_name] = field.value
@@ -166,8 +170,9 @@
    const pool = await poolP
    const q = `SELECT or2.ref_id, or2.obj_id, od.title, od.description, od.type
               FROM ${database}.object_reference or2
-              INNER JOIN ${database}.object_data od ON od.obj_id = or2.obj_id
-              WHERE od.type = 'crs' AND or2.deleted IS NULL
+                       INNER JOIN ${database}.object_data od ON od.obj_id = or2.obj_id
+              WHERE od.type = 'crs'
+                AND or2.deleted IS NULL
    `
    const [results] = await pool.query(q)
    return results
@@ -178,6 +183,18 @@
 //    return getKursByObjId(obj_id)
 // }
 
+async function getKurs (ref_id) {
+   const pool = await poolP
+   const q = `SELECT or2.ref_id, or2.obj_id, od.title, od.description, od.type, od.create_date
+              FROM ${database}.object_reference or2
+                       INNER JOIN ${database}.object_data od ON od.obj_id = or2.obj_id
+              WHERE or2.ref_id = '${ref_id}'
+   `
+   let [results] = await pool.query(q)
+   results = results.length ? results[0] : undefined
+   return results
+}
+
 async function getKursItems (ref_id) {
    const pool = await poolP
    // const q = `SELECT or2.ref_id, or2.obj_id, od.title, od.description, od.type
@@ -187,27 +204,103 @@
    // `
    const q = `SELECT ci.parent_id, or2.ref_id, or2.obj_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 or2.ref_id = ${ref_id} OR parent_id = ${ref_id} 
-              `
+                       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 or2.ref_id = ${ref_id}
+                 OR parent_id = ${ref_id}
+                  AND or2.deleted is NULL
+   `
    const [results] = await pool.query(q)
    return results
-   // return results.length ? results[0] : undefined
 }
 
-async function getTeilnehmer (obj_id) {
+async function getKursItems2 (ref_id) {
    const pool = await poolP
-   const q = `SELECT ci.parent_id, or2.ref_id, or2.obj_id, od.title, od.\`type\`, om.usr_id, ulm.status
+   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,
+                     or2.ref_id,
+                     or2.obj_id,
+                     od.title,
+                     od.type,
+                     om.usr_id,
+                     ud.login,
+                     ud.firstname,
+                     ud.lastname,
+                     ud.active,
+                     om.passed,
+                     ulm.status,
+                     ulm.status_changed
               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
-                       INNER JOIN ${database}.obj_members om ON om.obj_id = or2.obj_id
-                       INNER JOIN ${database}.ut_lp_marks ulm
-                                  ON ulm.obj_id = or2.obj_id AND ulm.usr_id = om.usr_id
-              WHERE (or2.ref_id = ${obj_id}
-                  OR parent_id = ${obj_id}) # Fliesenratgeber #AND om.usr_id = 6573 # Holger Börner / nicht-bestanden -
+                       INNER JOIN ${database}.obj_members om ON om.obj_id = or2.obj_id AND om.member = 1
+                       INNER JOIN ${database}.usr_data ud ON ud.usr_id = om.usr_id
+                       LEFT JOIN ${database}.ut_lp_marks ulm ON ulm.obj_id = or2.obj_id AND ud.usr_id = ulm.usr_id
+              WHERE (or2.ref_id = ${ref_id} OR parent_id = ${ref_id})
+              ORDER BY usr_id
    `
    const [results] = await pool.query(q)
    return results
 }
+
+async function getKursTeilnehmerCount (ref_id) {
+   const pool = await poolP
+   const q = `SELECT COUNT(*) as count
+              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
+                  INNER JOIN ${database}.obj_members om ON om.obj_id = or2.obj_id AND om.member = 1
+                  INNER JOIN ${database}.usr_data ud ON ud.usr_id = om.usr_id
+                  LEFT JOIN ${database}.ut_lp_marks ulm ON ulm.obj_id = or2.obj_id AND ud.usr_id = ulm.usr_id
+              WHERE (or2.ref_id = ${ref_id}
+                 OR parent_id = ${ref_id})
+              ORDER BY usr_id
+   `
+   let [results] = await pool.query(q)
+   results = results.length ? results[0] : undefined
+   return {ref_id, count: results.count}
+}
+
+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
+              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
+                       INNER JOIN ${database}.object_data od ON od.obj_id = om.obj_id
+                       LEFT JOIN ${database}.ut_lp_marks ulm
+                                 ON ulm.usr_id = om.usr_id AND ulm.obj_id = om.obj_id
+              WHERE om.usr_id = ${usr_id}
+                AND om.member = 1
+   `
+   console.log(q)
+   const [results] = await pool.query(q)
+   return results
+}

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