Possibilité de rattacher un document à un courrier sans projet de réponse (activable via le config.xml)
Possibilité de rattacher un document à plusieurs courriers (activable via le config.xml)
Possibilité de clore le courrier cible (activable via le config.xml)
Possibilité de supprimer le projet de réponse du courrier cible (activable via le config.xml)
Si le courrier cible à plusieurs projet de réponses et/ou plusieurs courriers cible sont selectionnés il est possible de choisir le numéro de chrono attribué au document 
(le titre et les contacts sont automatiquement attribué en fonction du choix) 

custom/modules/templates/datasources/letterbox_attachment.php
custom/core/xml/actions_pages.xml
custom/apps/maarch_entreprise/definition_mail_categories.php
custom/apps/maarch_entreprise/xml/IVS/data_types.xml
custom/apps/maarch_entreprise/js/indexing.js 
custom/modules/attachments/get_chrono_attachment.php
custom/modules/attachments/xml/IVS/validation_rules.xml
custom/modules/entities/js/functions.js
apps/maarch_entreprise/lang/fr.php
apps/maarch_entreprise/lang/en.php

$res_id_master = $doc['res_id'];
$data = ''.$res_id_master.'#'.$chronoAttachment;
require_once('apps/maarch_entreprise/tools/phpqrcode/qrlib.php');
QRcode::png($data,$img_file_name, QR_ECLEVEL_L, 1);
$myAttachment['chronoBarCode'] = $img_file_name;
$datasources['attachments'][] = $myAttachment;

<category>
	<id>attachment</id>
	<label>_ATTACHMENT</label>
</category>

<MODULES>
	<moduleid>reconciliation</moduleid>
	<comment>_RECONCILIATION_COMMENT</comment>
</MODULES>

<dataType name="category_list" base="string">
  <enumeration value="incoming" />
  <enumeration value="outgoing" />
  <enumeration value="internal" />
  <enumeration value="attachment" />	<-- Ligne à rajouter
</dataType>

$_ENV['categories']['attachment'] = array ();
$_ENV['categories']['attachment']['img_cat'] = '<i class="fa fa-paperclip fa-2x"></i>';
$_ENV['categories']['attachment']['other_cases'] = array ();
$_ENV['categories']['attachment']['other_cases']['chrono_number'] = array (
    'type_form' => 'integer',
    'type_field' => 'integer',
    'mandatory' => true,
    'label' => _CHRONO_NUMBER,
    'table' => 'none',
    'img' => 'compass',
    'modify' => false,
    'form_show' => 'textfield'
);
$_ENV['categories']['attachment']['type_id'] = array (
	'type_form' => 'integer',
	'type_field' => 'integer',
	'mandatory' => true,
	'label' => _DOCTYPE_MAIL,
	'table' => 'res',
	'img' => 'file',
	'modify' => true,
	'form_show' => 'select'
);
$_ENV['categories']['attachment']['destination'] = array (
	'type_form' => 'string',
	'type_field' => 'string',
	'mandatory' => true,
	'label' => _DEPARTMENT_EXP,
	'table' => 'res',
	'img' => 'sitemap',
	'modify' => false,
	'form_show' => 'textarea'
);

if(cat_id == 'attachment'){
    document.getElementById("attachment_tr").style.display='table-row';
    document.getElementById("attach_show").style.display='table-row';
}

else if(cat_id == 'attachment'){
    var category = [
        {id:'doctype_mail', type:'label', state:'display'},
        {id:'doctype_res', type:'label', state:'hide'},
        {id:'priority_tr', type:'tr', state:'hide'},
        {id:'doc_date_label', type:'label', state:'hide'},
        {id:'doc_date_tr', type:'label', state:'hide'},
        {id:'mail_date_label', type:'label', state:'hide'},
        {id:'author_tr', type:'tr', state:'hide'},
        {id:'admission_date_tr', type:'tr', state:'hide'},
        {id:'contact_check', type:'tr', state:'hide'},
        {id:'nature_id_tr', type:'tr', state:'hide'},
        {id:'department_tr', type:'tr', state:'hide'},
        {id:'label_dep_dest', type:'label', state:'hide'},
        {id:'label_dep_exp', type:'label', state:'hide'},
        {id:'process_limit_date_use_tr', type:'tr', state:'hide'},
        {id:'process_limit_date_tr', type:'tr', state:'hide'},
        {id:'box_id_tr', type:'tr', state:'hide'},
        {id:'confidentiality_tr', type:'tr', state:'hide'},
        {id:'contact_choose_tr', type:'tr', state:'hide'},
        {id:'contact_choose_2_tr', type:'tr', state:'hide'},
        {id:'contact_choose_3_tr', type:'tr', state:'hide'},
        {id:'dest_contact_choose_label', type:'label', state:'hide'},
        {id:'exp_contact_choose_label', type:'label', state:'hide'},
        {id:'contact_id_tr', type:'tr', state:'hide'},
        {id:'dest_contact', type:'label', state:'display'},
        {id:'exp_contact', type:'label', state:'hide'},
        {id:'author_contact', type:'label', state:'hide'},
        {id:'type_multi_contact_external_icon', type:'label', state:'hide'},
        {id:'type_contact_internal', type:'radiobutton', state:typeContactInternal},
        {id:'type_contact_external', type:'radiobutton', state:typeContactExternal},
        {id:'type_multi_contact_external', type:'radiobutton', state:typeMultiContactExternal},
        {id:'folder_tr', type:'tr', state:'hide'},
        {id:'category_id_mandatory', type:'label', state:'hide'},
        {id:'type_id_mandatory', type:'label', state:'hide'},
        {id:'type_id_tr', type:'tr', state:'hide'},
        {id:'diff_list_tr', type:'tr', state:'hide'},
        {id:'priority_mandatory', type:'label', state:'hide'},
        {id:'doc_date_mandatory', type:'label', state:'hide'},
        {id:'author_mandatory', type:'label', state:'hide'},
        {id:'admission_date_mandatory', type:'label', state:'hide'},
        {id:'type_contact_mandatory', type:'label', state:'hide'},
        {id:'contact_mandatory', type:'label', state:'hide'},
        {id:'nature_id_mandatory', type:'label', state:'hide'},
        {id:'subject_mandatory', type:'label', state:'hide'},
        //{id:'subject_tr', type:'label', state:'hide'},
        {id:'destination_mandatory', type:'label', state:'hide'},
        {id:'process_limit_date_use_mandatory', type:'label', state:'hide'},
        {id:'process_limit_date_mandatory', type:'label', state:'hide'},
        {id:'chrono_number', type:'label', state:'hide'},
        {id:'chrono_number_tr', type:'tr', state:'hide'},
        {id:'chrono_number_mandatory', type:'label', state:'hide'},
        {id:'folder_mandatory', type:'label', state:'hide'},
        {id:'res_id_link', type:'label', state:'hide'},
        {id:'status', type:'tr', state:'hide'},
        {id:'add_multi_contact_tr', type:'tr', state:'hide'},
        {id:'show_multi_contact_tr', type:'tr', state:'hide'}
    ];
}

if(cat_id == 'ged_doc'){
    document.getElementById("diff_list_tr").style.display = 'none';
}else if(cat_id == 'attachment'){
    document.getElementById("subject_tr").style.display = 'none';
    document.getElementById("diff_list_tr").style.display = 'none';
}else{
    document.getElementById("diff_list_tr").style.display = 'table-row';
    document.getElementById("subject_tr").style.display = 'table-row';
}

Element.setStyle(contact_id_tr, {display : 'table-row'});

var cat_id = $(category_id).options[$(category_id).selectedIndex].value;
if(cat_id != 'attachment') Element.setStyle(contact_id_tr, {display : 'table-row'});

function affiche_chrono_reconciliation(){
    new Ajax.Request('index.php?display=true&module=attachments&page=get_chrono_attachment',
    {
        method:'post',
        onSuccess: function(answer){
            eval("response = "+answer.responseText);
            var chrono_number = $('chrono_number');
            chrono_number.value=response.chronoNB;
            chrono_number.setAttribute('readonly','readonly');
            chrono_number.setAttribute('class','readonly');
            $('chrono_number_generate').style.display = 'none';
        }
    });
}

if ($category_id == "incoming" || ($category_id == "outgoing" && $nb_attachment > 0))
==>
if ($category_id == "incoming" || $category_id == 'attachment' || ($category_id == "outgoing" && $nb_attachment > 0) || (isset($_POST['type_id']) && $_POST['type_id'] == 'attachment'))

<validationRule name="get_chrono_attachment" extends="standardForm" mode="error">
		<parameter name="module" type="identifier" />
		<parameter name="type_id" type="identifier" /> <-- Ligne à rajouter
	</validationRule>

<ACTIONPAGE>
    <ID>reconciliation</ID>
    <LABEL>_RECONCILIATION</LABEL>
    <NAME>reconciliation</NAME>
    <ORIGIN>module</ORIGIN>
    <MODULE>reconciliation</MODULE>
    <FLAG_CREATE>false</FLAG_CREATE>
    <COLLECTIONS>
        <COLL_ID>letterbox_coll</COLL_ID>
    </COLLECTIONS>
</ACTIONPAGE>

if (!defined("_ATTACHMENT")) define("_ATTACHMENT", "Pièce jointe");

if (!defined("_ATTACHMENT")) define("_ATTACHMENT", "Attachment");

if(category === 'attachment'){
    diff_list_tr.style.display = 'none';
}

Créer une nouvelle action
Description : Rattacher une réponse à un courrier
Statut associé : Supprimé
Page de résultat de l'action : Réconciliation
Mot clé (paramètres système): Indexation
Tracer l'action : Oui
Action de dossier : Non
Choisissez une ou plusieurs catégories associées : 
(Si aucune catégorie sélectionnée alors l'action est valable pour toutes les catégories)
Aucune

Collection : Collection des courriers
Identifiant : AttBasket
Bannette : Courriers à rapprocher
Description : Bannette des courriers à rapprocher
Vue sur la table : status = 'PJQUAL'

Liste de résultats: Liste avec filtre et réponses
Action par défaut sur la ligne; Rattacher une réponse à un courrier

[attachments.chronoBarCode;ope=changepic;tagpos=inside;adjust;unique]

cd /opt/maarch
git clone https://github.com/splitbrain/Watcher.git
sudo apt-get install python python-pyinotify

sudo vi /etc/systemd/system/watcher.service
[Unit]
Description=Files watcher for maarch 
After=apache2.service

[Service]
User=edissyum
ExecStart=/opt/maarch/Watcher/watcher.py -c /opt/maarch/Watcher/watcher.ini start
ExecStop=/opt/maarch/Watcher/watcher.py stop
ExecRestart=/opt/maarch/Watcher/watcher.py -c /opt/maarch/Watcher/watcher.ini restart

[Install]
WantedBy=default.target

sudo systemctl start watcher
sudo systemctl enable watcher

sudo apt install python-lxml
sudo pip install beautifulsoup4