createESLPackage: function (req, res) {
        // Copié de requestSignatories
        var docId = req.body.doc_id;
        var users = req.body.selected;
        var self = this;
        var fileG = null;
        var usersG = null;
        var clientdocusign = null;
        var userExtToCreate = [];
        var userExtKnown = [];
        var uids = [];
        // Fin de copie

        // Copié de https://www.esignlive.com/blog/esignlive-how-to-creating-a-simple-node-js-web-application/
        var request = require('request');
        var formidable = require('formidable');
        var http = require('http');
        var token;
        var packageid;
        var api_key = 'Z1A2Rzl4ZzJSdklIOlpSRk9LenVrUzhZMw=='; // clef Lionel
        // Fin de copie

        var jsonPayload = {
            "roles": [
                {
                    "id": "Signer1",
                    "type": "SIGNER",
                    "signers": [
                        {
                            "firstName": "lionel",
                            "lastName": "jamaigne",
                            "email": "lionel.jam@docunify.com",
                            "id": "Signer1"
                        }
                    ]
                },
                {
                    "id": "Sender1",
                    "type": "SIGNER",
                    "signers": [
                        {
                            "firstName": "Haris",
                            "lastName": "Haidary",
                            "email": "sender@example.com",
                            "id": "Sender1"
                        }
                    ]
                }
            ],
            "documents": [
                {
                    "fields": [
                        {
                            "value": "lionel",
                            "name": "first_name"
                        },
                        {
                            "value": "jamaigne",
                            "name": "last_name"
                        },
                        {
                            "value": "rue du truc",
                            "name": "address"
                        },
                        {
                            "value": "martelange",
                            "name": "city"
                        },
                        {
                            "value": "8832",
                            "name": "zip"
                        },
                        {
                            "value": "saipas",
                            "name": "state"
                        },
                        {
                            "value": "belgique",
                            "name": "country"
                        },
                        {
                            "value": "32499463127",
                            "name": "phone_number"
                        },
                        {
                            "value": "lionel.jamaigne@docunify.com",
                            "name": "email"
                        },
                        {
                            "value": "docunify sa",
                            "name": "company"
                        },
                        {
                            "value": "44",
                            "name": "policy_number"
                        }
                    ],
                    "name": "Sample Contract",
                    "id": "contract",
                    "extract": true
                }
            ],
            "name": "NodeJS Example",
            "type": "PACKAGE",
            "status": "DRAFT"
        };

        // Je cherche un document sur base de l'id client
        Q.fcall(function () {
            var query = {
                _id: docId,
                type: 'Upload',
                idClient: req.params._idclient,
                safe: false
            };
            return self.model.findOne(query).exec();
        })
            // Je récupère le document
            .then(function (document) {
                console.log('get users');
                if (!document) {
                    throw new Error(res.i18n('Document not found'));
                }
                if (document.contentType != 'application/pdf') {
                    throw new Error('Only pdf');
                }
                if (!utils.checkPermissionsFolders(req.userInfo.clients, document.idClient, document.folderId)) {
                    throw new Error(res.i18n('Not authorized'));
                }
                if (document.signatories.length > 0) {
                    throw new Error(res.i18n('Already request for signatories'));
                }
                fileG = document;
                var query = User.find({
                    _id: {
                        $in: users
                    },
                    active: true,
                    clients: {
                        $elemMatch: {
                            _id: document.idClient,
                            active: true
                        }
                    }
                });
                query.select('_id firstname lastname email notifications mobile prefix phoneType language');
                return query.exec();
            })
            // Je recupère les utilisateurs
            .then(function (users) {
                console.log('get users 2');
                var userClientEmail = [];
                var already = [];

                usersG = users;
                usersG.forEach(function (user) {
                    userClientEmail.push(user.email);
                });
                if (req.body.extuser_select.length > 0) {
                    req.body.extuser_select.forEach(function (user) {
                        if (userClientEmail.indexOf(user.email) === -1 && already.indexOf(user.email) === -1) {
                            already.push(user.email);
                            if (user.known) {
                                userExtKnown.push(user.email);
                            } else {
                                userExtToCreate.push(user);
                            }
                        }
                    });
                }
                return Q.fcall(function () {
                    return null
                });
            })

            .then(function () {
                console.log('get externals known');
                var prom = Q.fcall(function () {
                    return []
                });

                if (userExtKnown.length > 0) {
                    var q = Q.defer();
                    User.find({
                        email: {
                            $in: userExtKnown
                        }
                    }, function (err, users) {
                        q.resolve(users);

                    })
                    prom = q.promise;
                }
                return prom;
            })

            .then(function (users) {
                console.log('get externals unknown');
                users.forEach(function (user) {
                    user.external = true;
                    usersG.push(user);
                });
                var all_promises = [];
                if (userExtToCreate.length > 0 && userExtToCreate.length < 10) {
                    userExtToCreate.forEach(function (user) {
                        var q = Q.defer();
                        authy.register_user(user.email, user.phone.replace(/[^0-9]/g, ''), user.phoneprefix.replace(/[^0-9]/g, ''), function (err, res) {
                            if (err) throw new Error(err);
                            user.authyId = res.user.id;
                            return q.resolve(user);
                        });
                        all_promises.push(q.promise);
                    });
                    return Q.all(all_promises);
                } else {
                    return Q.fcall(function () {
                        return []
                    });
                }

            })

            .then(function (users) {
                var all_promises = [];
                if (users.length > 0 && users.length < 10) {
                    console.log('create users');
                    users.forEach(function (user) {
                        var q = Q.defer();
                        var toCreate = {
                            firstname: user.firstname,
                            lastname: user.name,
                            email: user.email.toLowerCase(),
                            prefix: user.phoneprefix.replace(/[^0-9]/g, ''),
                            mobile: user.phone.replace(/[^0-9]/g, ''),
                            phoneType: user.phoneType,
                            createdby: req.userInfo._id,
                            firstActivation: true,
                            tokenActivation: crypto.randomBytes(32).toString('hex').slice(0, 20),
                            password: utils.genPassword(),
                            active: false,
                            clients: [],
                            authyId: user.authyId
                        };
                        User.create(toCreate, function (err, newuser) {
                            q.resolve(newuser);
                        });
                        all_promises.push(q.promise);
                    });
                    return Q.all(all_promises);
                } else {
                    return Q.fcall(function () {
                        return []
                    });
                }

            })

            .then(function (users) {
                console.log('users');
                users.forEach(function (user) {
                    user.external = true;
                    user.newuser = true;
                    usersG.push(user);
                });
                var q = Q.defer();

                gfs.findOne({
                    _id: fileG.fileId
                }, function (err, file) {
                    if (err) throw new Error(res.i18n('Doc not found'));
                    if (!file) throw new Error(res.i18n('File not found'));
                    return q.resolve(file);
                });
                return q.promise;
            })

            .then(function (file) {
                console.log('get file');
                var cipher = crypto.createDecipher('aes-256-cbc', file.metadata.privateKey + config.secrets.salt_token);
                var stream = gfs.createReadStream({
                    _id: fileG.fileId
                }).pipe(cipher);

                var buffers = [];
                var q = Q.defer();
                stream.on('data', function (buffer) {
                    buffers.push(buffer);
                });
                stream.on('end', function () {
                    var buffer = Buffer.concat(buffers);
                    q.resolve(buffer);
                });
                return [q.promise, file];
            })

            .spread(function(document, fichier){
                console.log('creation du package');

                var options =
                        {
                            method: 'POST',
                            url: 'https://sandbox.esignlive.com/api/packages',
                            headers: {
                                accept: 'application/json; esl-api-version=11.0',
                                authorization: 'Basic ' + api_key,
                                'content-type': 'multipart/form-data; boundary=----WebKitFormBoundary7MA4YWxkTrZu0gW'
                            },
                            formData: {
                                file: {
                                    value: document,
                                    options: {filename: fichier.filename, contentType: null}
                                },
                                payload: JSON.stringify(jsonPayload)
                            }
                    };
                console.log('je fais la requete1');
                request(options, function (error, response, body)
                {
                    if (error) throw new Error(error);

                    var tmp = JSON.parse(body);
                    packageid = tmp['id'];
                    console.log('1the package id is: ' + packageid);

                });
                console.log('je renvoie null');
                return Q.fcall(function () {
                    return null
                });
            })

            .then(function(){
                var options =
                    {
                        method: 'POST',
                        url: 'https://sandbox.esignlive.com/api/signerAuthenticationTokens',
                        headers:
                            {
                                'content-type': 'application/json',
                                accept: 'application/json',
                                authorization: 'Basic ' + api_key},
                        body: {
                            packageId: packageid,
                            signerId: 'Signer1'
                        },
                        json: true
                    };
                console.log('je fais la requete2');
                request(options, function (error, response, body) {
                    if (error) throw new Error(error);
                    console.log('body: ' + body);
                    token = body['value'];
                    console.log('2the package id is: ' + packageid);
                    console.log("The session token is: " + token);
                });
            })

            .catch(function (error) {
                res.handleError(error.message);
            })


    }