52 lines
1.5 KiB
JavaScript
52 lines
1.5 KiB
JavaScript
//Call for adding a user to a group
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//
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//Requiremenst for inserting data in DB
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const adduser= require('../helpfunctions/adduser');
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const addgroup= require('../helpfunctions/addgroup');
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const handleAddUserToGroup = (req, res, db) => {
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//Parsing req body
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const { reqgroup, requser} =req.body;
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//Initializing an empty group if group does not exists.
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//Initialization needed for group clearing to mantain a group when all users are cleared
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addgroup.handleAddGroup(reqgroup, db);
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//Checking if user-group combination existis in DB table groups
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//if yes returns error if no inserts in DB table
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db.transaction (trx => {
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trx.select('groupname')
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.from('groups')
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.where('groupname', 'ilike', reqgroup)
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.andWhere('username','ilike', requser)
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.then( data => {
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if (data.length===0) {
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return trx('groups')
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.returning('*')
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.insert({
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groupname: reqgroup,
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username: requser
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})
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.into('groups')
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.then( group => {
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res.json(group[0]);
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})
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}
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return res.status(400).json('This user already exists in this group.');
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})
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.then(trx.commit)
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.catch(trx.rollback)
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.catch (err => res.status(400).json('Error accesing database.'))
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})
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//Inserts new user (implicitly) if needed
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adduser.handleAddUser(requser, db);
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}
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module.exports = {
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handleAddUserToGroup
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}
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