REST Service for POPCORN - ILIAS
alex
2025-06-20 e2dc64672428e599d45c70c6c560e06501477e0b
lib/db.js
@@ -40,11 +40,12 @@
   getKursTeilnehmer,
   getKursTeilnehmerCount,
   getUdf,
}
/////////////////////////////////////////////////////////////////////////
function getUserSearchQuery (offset, limit, search) {
async 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}
@@ -55,8 +56,11 @@
      `
   }
   else {
      const ids = searchLib.search(search)
      if (!ids.length) return getUserSearchQuery(offset, limit) // nothing found
      const ids = await searchLib.search(search)
      if (!ids.length) {
         throw "nothing found"
         return await getUserSearchQuery(offset, limit)
      } // nothing found
      return `SELECT ${sel}
              FROM ${database}.usr_data AS ud
              WHERE login REGEXP '^[0-9]+$'
@@ -75,21 +79,30 @@
   const pool = await poolP
   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,
      data: results,
   try {
      let userSearchQuery = await 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,
         data: results,
      }
   } catch (ex) {
      return {
         total: 0,
         offset: 0,
         limit: 0,
         data: [],
      }
   }
}
async function getUserCount (offset, limit, search) {
   const pool = await poolP
   // const q = getUserSearchQuery(offset, limit, search)
   const q = getUserSearchQuery(0, 1000000, search) // hier darf kein Limit sein, offset=0
   const q = await 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)
@@ -243,29 +256,30 @@
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
       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
                           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 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
@@ -337,3 +351,12 @@
   const [results] = await pool.query(q)
   return results
}
/////// UDF ////////////////////////////////////////////////////////////////
async function getUdf() {
   const pool = await poolP
   const q = `SELECT field_id, field_name, field_type from ${database}.udf_definition;`
   const [results] = await pool.query(q)
   return results
}