Shortcut menu: menu is now dynamic - selected items filter dependant items (refs #2996) - can now pin items from sheet (refs #3078)

10 files changed, 254 insertions, 81 deletions

diff --git a/ishtar_common/context_processors.py b/ishtar_common/context_processors.py
index f8a4a0f95..bb12a401d 100644
--- a/ishtar_common/context_processors.py
+++ b/ishtar_common/context_processors.py
@@ -19,29 +19,11 @@
 
 from django.conf import settings
 from django.contrib.sites.models import Site
-from django.utils.translation import ugettext_lazy as _
 
 from ishtar_common.version import VERSION
-from ishtar_common.utils import shortify
 
 from menus import Menu
 
-from ishtar_common.models import get_current_profile
-from archaeological_operations.models import Operation
-from archaeological_files.models import File
-from archaeological_context_records.models import ContextRecord
-from archaeological_finds.models import Find
-
-profile = get_current_profile()
-CURRENT_ITEMS = []
-if profile.files:
-    CURRENT_ITEMS.append((_(u"Archaeological file"), File))
-CURRENT_ITEMS.append((_(u"Operation"), Operation))
-if profile.context_record:
-    CURRENT_ITEMS.append((_(u"Context record"), ContextRecord))
-if profile.find:
-    CURRENT_ITEMS.append((_(u"Find"), Find))
-
 
 def get_base_context(request):
     dct = {'URL_PATH': settings.URL_PATH}
@@ -74,21 +56,4 @@ def get_base_context(request):
     dct['VERSION'] = u".".join([unicode(n) for n in VERSION])
     if settings.EXTRA_VERSION:
         dct['VERSION'] += unicode(settings.EXTRA_VERSION)
-    dct['current_menu'] = []
-    for lbl, model in CURRENT_ITEMS:
-        model_name = model.__name__.lower()
-        cls = ''
-        current = model_name in request.session and request.session[model_name]
-        items = []
-        for item in model.get_owns(request.user):
-            pk = unicode(item.pk)
-            if item.IS_BASKET:
-                pk = "basket-" + pk
-            selected = pk == current
-            if selected:
-                cls = item.get_short_menu_class()
-            items.append((pk, shortify(unicode(item), 60),
-                          selected, item.get_short_menu_class()))
-        if items:
-            dct['current_menu'].append((lbl, model_name, cls, items))
     return dct
diff --git a/ishtar_common/models.py b/ishtar_common/models.py
index 6150ab0aa..9e48df8d2 100644
--- a/ishtar_common/models.py
+++ b/ishtar_common/models.py
@@ -235,7 +235,7 @@ class OwnPerms:
         return cls.objects.filter(query).count()
 
     @classmethod
-    def get_owns(cls, user):
+    def get_owns(cls, user, extra_query={}):
         """
         Get Own items
         """
@@ -249,8 +249,10 @@ class OwnPerms:
         query = cls.get_query_owns(user)
         if not query:
             return cls.objects.filter(pk__isnull=True)
-        items += list(
-            cls.objects.filter(query).order_by(*cls._meta.ordering).all())
+        q = cls.objects.filter(query)
+        if extra_query:
+            q = q.filter(**extra_query)
+        items += list(q.order_by(*cls._meta.ordering).all())
         return items
 
 
diff --git a/ishtar_common/static/js/ishtar.js b/ishtar_common/static/js/ishtar.js
index 4d82cb238..fecefe0a9 100644
--- a/ishtar_common/static/js/ishtar.js
+++ b/ishtar_common/static/js/ishtar.js
@@ -1,5 +1,5 @@
-
 /* CSRFToken management */
+
 $.ajaxSetup({
 beforeSend: function(xhr, settings) {
     function getCookie(name) {
@@ -23,6 +23,8 @@ beforeSend: function(xhr, settings) {
     }
 }});
 
+var shortcut_url = '';
+
 function manage_async_link(event){
     event.preventDefault();
     var url = $(this).attr('href');
@@ -36,30 +38,66 @@ function manage_async_link(event){
 function get_next_table_id(){}
 function get_previous_table_id(){}
 
-$(document).ready(function(){
-    $("#main_menu > ul > li > ul").hide();
-    $("#main_menu ul ul .selected").parents().show();
-    var items = new Array('file', 'operation');
+function init_shortcut_menu(html){
+    $("#progress").hide();
+    $("#context_menu").html(html);
+    $(".chosen-select").chosen();
     $("#current_file").change(function(){
         $.post('/' + url_path + 'update-current-item/',
-               {item:'file', value:$("#current_file").val()}
+               {item:'file', value:$("#current_file").val()},
+               load_shortcut_menu
         );
     });
     $("#current_operation").change(function(){
         $.post('/' + url_path + 'update-current-item/',
-               {item:'operation', value:$("#current_operation").val()}
+               {item:'operation', value:$("#current_operation").val()},
+               load_shortcut_menu
         );
     });
     $("#current_contextrecord").change(function(){
         $.post('/' + url_path + 'update-current-item/',
-               {item:'contextrecord', value:$("#current_contextrecord").val()}
+               {item:'contextrecord', value:$("#current_contextrecord").val()},
+               load_shortcut_menu
         );
     });
     $("#current_find").change(function(){
         $.post('/' + url_path + 'update-current-item/',
-               {item:'find', value:$("#current_find").val()}
+               {item:'find', value:$("#current_find").val()},
+               load_shortcut_menu
         );
     });
+}
+
+function display_info(msg){
+    $('#message .information .content').html(msg);
+    $('#message').fadeIn('slow');
+    $('#message .information').fadeIn('slow');
+    setTimeout(
+        function(){
+            $('#message .information').fadeOut('slow');
+            $('#message').fadeOut('slow');
+        }, 5000);
+}
+
+function load_shortcut_menu(){
+    if (!shortcut_url) return;
+    $("#progress").show();
+    $.ajax({
+        url: shortcut_url,
+        cache: false,
+        success:function(html){
+            init_shortcut_menu(html);
+        },
+        error:function(XMLHttpRequest, textStatus, errorThrows){
+            $("#progress").hide();
+        }
+    });
+}
+
+$(document).ready(function(){
+    $("#main_menu > ul > li > ul").hide();
+    $("#main_menu ul ul .selected").parents().show();
+    var items = new Array('file', 'operation');
     if ($(document).height() < 1.5*$(window).height()){
         $('#to_bottom_arrow').hide();
         $('#to_top_arrow').hide();
@@ -67,6 +105,7 @@ $(document).ready(function(){
     $('#language_selector').change(function(){
         $('#language_form').submit();
     });
+    load_shortcut_menu();
     if ($.isFunction($(".prettyPhoto a").prettyPhoto)){
         $(".prettyPhoto a").prettyPhoto({'social_tools':''});
     }
@@ -74,6 +113,7 @@ $(document).ready(function(){
         $(this).attr('class', $(this).children("option:selected").attr('class'));
     });
     $("a.async-link").click(manage_async_link);
+    $(".chosen-select").chosen();
 });
 
 $(document).on("click", '#to_bottom_arrow', function(){
diff --git a/ishtar_common/static/media/style.css b/ishtar_common/static/media/style.css
index ebd13d4b7..bff3ef473 100644
--- a/ishtar_common/static/media/style.css
+++ b/ishtar_common/static/media/style.css
@@ -21,6 +21,8 @@ div.form, ul.form {
 }
 
 /* color  */
+
+.pin-action,
 #window hr,
 #context_menu .red,
 a, a.remove {
@@ -46,6 +48,7 @@ a.add-button,
     color:#000;
 }
 
+.chosen-container,
 #context_menu .green,
 #context_menu .red,
 #context_menu .orange,
@@ -248,6 +251,13 @@ button.ui-widget-header:hover {
     z-index: 100  !important;
 }
 
+.chosen-container-active.chosen-with-drop .chosen-single,
+.chosen-container-single .chosen-single{
+    background: none;
+    background-color: #fff;
+    border-radius:4px;
+}
+
 textarea,
 input[type=text],
 input[type=password],
@@ -293,6 +303,26 @@ div.nav-button{
     border: 0 solid transparent;
 }
 
+#message,
+#message div{
+    display: none;
+}
+
+#message {
+    z-index: 42200;
+    position: absolute;
+    top: 5px;
+    right: 5px;
+    background: #fff;
+    padding: 0.5em 1em;
+    border: 1px solid;
+    border-radius: 3px;
+}
+
+#message span{
+    padding: 0 1em;
+}
+
 #to_bottom_arrow{
     bottom:80px;
 }
@@ -731,6 +761,10 @@ ul.form .help_text{
     font-style: normal;
 }
 
+.pin-action:hover{
+    cursor:pointer;
+}
+
 .autocomplete{
     width:350px;
 }
diff --git a/ishtar_common/templates/base.html b/ishtar_common/templates/base.html
index 47ea61594..703644a35 100644
--- a/ishtar_common/templates/base.html
+++ b/ishtar_common/templates/base.html
@@ -14,12 +14,14 @@
     <script language="javascript" type="text/javascript" src="{{JQUERY_URL}}?ver={{VERSION}}"></script>
     <script language="javascript" type="text/javascript" src="{{JQUERY_UI_URL}}jquery-ui.js?ver={{VERSION}}"></script>
     <script language="javascript" type="text/javascript" src="{{JQUERY_UI_URL}}ui/i18n/jquery.ui.datepicker-{{COUNTRY}}.js?ver={{VERSION}}"></script>
+    <script language="javascript" type="text/javascript" src="{{STATIC_URL}}js/chosen/chosen.jquery.min.js?ver={{VERSION}}"></script>
     <script language="javascript" type="text/javascript" src="{{STATIC_URL}}/js/prettyPhoto/js/jquery.prettyPhoto.js?ver={{VERSION}}"></script>
     <script language="javascript" type="text/javascript" src="{{STATIC_URL}}js/i18n/grid.locale-{{COUNTRY}}.js?ver={{VERSION}}"></script>
     <script language="javascript" type="text/javascript" src="{{STATIC_URL}}js/jquery.jqGrid.min.js?ver={{VERSION}}"></script>
     <script language="javascript" type="text/javascript" src="{{STATIC_URL}}js/grid.tbltogrid.js?ver={{VERSION}}"></script>
     <script language="javascript" type="text/javascript" src="{{STATIC_URL}}/js/ishtar.js?ver={{VERSION}}"></script>
     <link type="text/css" href="{{JQUERY_UI_URL}}jquery-ui.css?ver={{VERSION}}" rel="stylesheet" />
+    <link type="text/css" href="{{STATIC_URL}}js/chosen/chosen.min.css?ver={{VERSION}}" rel="stylesheet" />
     <link rel="stylesheet" href="{{STATIC_URL}}/font-awesome/css/font-awesome.min.css?ver={{VERSION}}" />
     <link rel="stylesheet" href="{{STATIC_URL}}/js/prettyPhoto/css/prettyPhoto.css?ver={{VERSION}}" />
     <link rel="stylesheet" href="{{STATIC_URL}}media/ui.jqgrid.css?ver={{VERSION}}" />
@@ -28,6 +30,9 @@
     {% include "blocks/extra_head.html" %}
     {% block extra_head %}
     {% endblock %}
+    <script type='text/javascript'>
+    var shortcut_url = '{% url "shortcut-menu" %}';
+    </script>
 </head>
 <body{% if current_theme%} id='{{current_theme}}'{%endif%}>
     <div id="header">
@@ -64,31 +69,8 @@
     <a href='{% url "start" %}' id="logo">
 {% if APP_NAME %}<p id="app_name">{{APP_NAME}}</p>{%endif%}
     </a>
-    {% if not reminders %}<div id="context_menu">
-        {% block context %}{% if current_menu %}
-        <form method="post" action="{% url 'update-current-item' %}">
-        <fieldset>
-        <i class="icon fa fa-thumb-tack fa-2x" aria-hidden="true" title="{% trans 'Pin an item in order to constrain default searches with this item. New created and modified items are auto-pin.' %}"></i>
-        <table id='current_items'>
-        {% for lbl, model_name, main_cls, items in current_menu %}
-            <tr>
-                <td><label for="current_{{model_name}}">{{lbl}}</label></td>
-                <td>
-                  <select class='{{main_cls}}' id='current_{{model_name}}'>
-                    <option class='normal' value=''>--</option>
-                    {% for val, label, selected, cls in items %}<option{% if cls %} class='{{cls}}'{% endif %} value='{{val}}'{% if selected %} selected="selected"{% endif %}>{% ifequal cls 'basket' %}&#xf291; {% endifequal %}{% ifequal cls 'green' %}&#xf058; {% endifequal %}{% ifequal cls 'orange' %}&#xf06a; {% endifequal %}{% ifequal cls 'red' %}&#xf071; {% endifequal %}{{label}}</option>
-                  {% endfor %}</select>
-                </td>{% with 'show-'|add:model_name as model_url%}
-                <td><a href='#' onclick='load_current_window("{% url model_url 0 %}", "{{model_name}}");' class='display_details'><i class="fa fa-info-circle" aria-hidden="true"></i></a></td>
-                {% endwith %}
-            </tr>
-        {% endfor %}
-        </table>
-        </fieldset>
-        </form>
-        {% endif %}{% endblock %}
-    </div>{% endif %}
-{% if reminders %}<fieldset id='reminder'><legend>{% trans "Current items" %}</legend>
+    {% if not reminders %}<div id="context_menu"></div>
+    {% else %}<fieldset id='reminder'><legend>{% trans "Current items" %}</legend>
 {% for lbl, value in reminders %}
 <p><strong class='lbl'>{{lbl}}{% trans ":"%}</strong> <span class='value'>{{value}}</span></p>
 {% endfor %}
@@ -128,6 +110,9 @@
             <p class='progress-detail progress-4'>{% trans "Time to take another coffee?" %} <i class="fa fa-coffee" aria-hidden="true"></i></p>
         </div>
     </div>
+    <div id='message'>
+        <div class='information'><i class="fa fa-info-circle" aria-hidden="true"></i> <span class='content'></span></div>
+    </div>
 </body>
 
 </html>
diff --git a/ishtar_common/templates/ishtar/blocks/shortcut_menu.html b/ishtar_common/templates/ishtar/blocks/shortcut_menu.html
new file mode 100644
index 000000000..29c975e79
--- /dev/null
+++ b/ishtar_common/templates/ishtar/blocks/shortcut_menu.html
@@ -0,0 +1,24 @@
+{% load i18n %}
+{% load url from future%}
+{% if current_menu %}
+<form method="post" action="{% url 'update-current-item' %}">
+<fieldset>
+<i class="icon fa fa-thumb-tack fa-2x" aria-hidden="true" title="{% trans 'Pin an item in order to constrain default searches with this item. By default only your items are displayed. New created and modified items are auto-pin.' %}"></i>
+<table id='current_items'>
+{% for lbl, model_name, main_cls, items in current_menu %}
+<tr>
+    <td><label for="current_{{model_name}}">{{lbl}}</label></td>
+    <td>
+      <select class='{{main_cls}} chosen-select' id='current_{{model_name}}'>
+        <option class='normal' value=''>--</option>
+        {% for val, label, selected, cls in items %}<option{% if cls %} class='{{cls}}'{% endif %} value='{{val}}'{% if selected %} selected="selected"{% endif %}>{% ifequal cls 'basket' %}&#xf291; {% endifequal %}{% ifequal cls 'green' %}&#xf058; {% endifequal %}{% ifequal cls 'orange' %}&#xf06a; {% endifequal %}{% ifequal cls 'red' %}&#xf071; {% endifequal %}{{label}}</option>
+      {% endfor %}</select>
+    </td>{% with 'show-'|add:model_name as model_url%}
+    <td><a href='#' onclick='load_current_window("{% url model_url 0 %}", "{{model_name}}");' class='display_details'><i class="fa fa-info-circle" aria-hidden="true"></i></a></td>
+    {% endwith %}
+</tr>
+{% endfor %}
+</table>
+</fieldset>
+</form>
+{% endif %}
diff --git a/ishtar_common/templates/ishtar/blocks/window_nav.html b/ishtar_common/templates/ishtar/blocks/window_nav.html
index 13069b1eb..c0d1ba9fe 100644
--- a/ishtar_common/templates/ishtar/blocks/window_nav.html
+++ b/ishtar_common/templates/ishtar/blocks/window_nav.html
@@ -42,6 +42,13 @@
     <i class="fa fa-pencil fa-stack-1x fa-inverse"></i>
   </span>
   </a>{% endif %}
+  {% if pin_action %}
+  <span class='pin-action' onclick='$.get("{% url 'pin' item.SLUG item.pk %}", function(){load_shortcut_menu(); display_info("{% trans 'Item pined in your shortcut menu.' %}")});' title="{% trans 'Pin' %}">
+  <span class="fa-stack fa-lg">
+    <i class="fa fa-circle fa-stack-2x"></i>
+    <i class="fa fa-thumb-tack fa-stack-1x fa-inverse"></i>
+  </span>
+  </span>{% endif %}
   <a class='badge' href='{% url show_url item.pk "odt" %}' title='{% trans "Export as OpenOffice.org file"%}'>ODT</a> <a class='badge' href='{% url show_url item.pk "pdf" %}' title='{% trans "Export as PDF file"%}'>PDF</a>
 </div>
 <hr class='clear'>
diff --git a/ishtar_common/templatetags/window_header.py b/ishtar_common/templatetags/window_header.py
index b137f24a5..5322c4478 100644
--- a/ishtar_common/templatetags/window_header.py
+++ b/ishtar_common/templatetags/window_header.py
@@ -6,7 +6,7 @@ register = template.Library()
 
 @register.inclusion_tag('ishtar/blocks/window_nav.html')
 def window_nav(item, window_id, show_url, modify_url='', histo_url='',
-               revert_url='', previous=None, nxt=None):
+               revert_url='', previous=None, nxt=None, pin_action=False):
     return {
         'show_url': show_url,
         'modify_url': modify_url,
@@ -15,7 +15,8 @@ def window_nav(item, window_id, show_url, modify_url='', histo_url='',
         'item': item,
         'window_id': window_id,
         'previous': previous,
-        'next': nxt}
+        'next': nxt,
+        'pin_action': pin_action}
 
 
 @register.inclusion_tag('ishtar/blocks/window_file_nav.html')
@@ -34,4 +35,5 @@ def window_file_nav(item, window_id, previous=None, nxt=None):
         'extra_action': mark_safe(add_operation),
         'window_id': window_id,
         'previous': previous,
-        'next': nxt}
+        'next': nxt,
+        'pin_action': True}
diff --git a/ishtar_common/urls.py b/ishtar_common/urls.py
index a6f24beed..802e6ca0d 100644
--- a/ishtar_common/urls.py
+++ b/ishtar_common/urls.py
@@ -34,6 +34,7 @@ urlpatterns = patterns(
     # internationalization
     url(r'^i18n/', include('django.conf.urls.i18n')),
     # General
+    url(r'shortcut_menu/', views.shortcut_menu, name='shortcut-menu'),
     url(r'person_search/(?P<step>.+)?$',
         check_rights(['add_person'])(
             views.person_search_wizard), name='person_search'),
@@ -129,6 +130,8 @@ urlpatterns += patterns(
         name='dashboard-main-detail'),
     url(r'update-current-item/$', 'update_current_item',
         name='update-current-item'),
+    url(r'pin/(?P<item_type>[a-z-]+)/(?P<pk>\d+)/$', 'update_current_item',
+        name='pin'),
     url(r'new-person/(?:(?P<parent_name>[^/]+)/)?(?:(?P<limits>[^/]+)/)?$',
         'new_person', name='new-person'),
     url(r'new-person-noorga/'
diff --git a/ishtar_common/views.py b/ishtar_common/views.py
index 46a8ceb6a..5022aa08e 100644
--- a/ishtar_common/views.py
+++ b/ishtar_common/views.py
@@ -62,7 +62,7 @@ from archaeological_operations.forms import DashboardForm as DashboardFormOpe
 from archaeological_files.forms import DashboardForm as DashboardFormFile
 
 from ishtar_common.forms import FinalForm, FinalDeleteForm
-from ishtar_common.utils import get_random_item_image_link
+from ishtar_common.utils import get_random_item_image_link, shortify
 from ishtar_common import forms_common as forms
 from ishtar_common import wizards
 from ishtar_common.models import HistoryError, PRIVATE_FIELDS, \
@@ -198,11 +198,122 @@ def get_autocomplete_generic(model, extra={'available': True}):
     return func
 
 
-def update_current_item(request):
-    if not request.is_ajax() and not request.method == 'POST':
-        raise Http404
-    if 'value' in request.POST and 'item' in request.POST:
-        request.session[request.POST['item']] = request.POST['value']
+def shortcut_menu(request):
+    from archaeological_operations.models import Operation
+    from archaeological_files.models import File
+    from archaeological_context_records.models import ContextRecord
+    from archaeological_finds.models import Find
+
+    profile = get_current_profile()
+    CURRENT_ITEMS = []
+    if profile.files:
+        CURRENT_ITEMS.append((_(u"Archaeological file"), File))
+    CURRENT_ITEMS.append((_(u"Operation"), Operation))
+    if profile.context_record:
+        CURRENT_ITEMS.append((_(u"Context record"), ContextRecord))
+    if profile.find:
+        CURRENT_ITEMS.append((_(u"Find"), Find))
+    dct = {'current_menu': []}
+    current_selected_item = None
+    for lbl, model in CURRENT_ITEMS:
+        new_selected_item = None
+        model_name = model.SLUG
+        cls = ''
+        current = model_name in request.session and request.session[model_name]
+        items = []
+        for item in model.get_owns(request.user,
+                                   menu_filtr=current_selected_item):
+            pk = unicode(item.pk)
+            if item.IS_BASKET:
+                pk = "basket-" + pk
+            selected = pk == current
+            if selected:
+                cls = item.get_short_menu_class()
+                new_selected_item = item
+            items.append((pk, shortify(unicode(item), 60),
+                          selected, item.get_short_menu_class()))
+        # selected is not in owns - add it to the list
+        if not new_selected_item and current:
+            try:
+                item = model.objects.get(pk=int(current))
+                items.append((item.pk, shortify(unicode(item), 60),
+                              True, item.get_short_menu_class()))
+            except (model.DoesNotExist, ValueError):
+                pass
+        if items:
+            dct['current_menu'].append((lbl, model_name, cls, items))
+        current_selected_item = new_selected_item
+    return render_to_response('ishtar/blocks/shortcut_menu.html', dct,
+                              context_instance=RequestContext(request))
+
+
+def get_current_items(request):
+    from archaeological_files.models import File
+    from archaeological_operations.models import Operation
+    from archaeological_context_records.models import ContextRecord
+    from archaeological_finds.models import Find
+    currents = {}
+    for key, model in (('file', File),
+                       ('operation', Operation),
+                       ('contextrecord', ContextRecord),
+                       ('find', Find)):
+        currents[key] = None
+        if key in request.session and request.session[key]:
+            try:
+                currents[key] = model.objects.get(pk=int(request.session[key]))
+            except (ValueError, File.DoesNotExist):
+                continue
+    return currents
+
+
+def update_current_item(request, item_type=None, pk=None):
+    if not item_type or not pk:
+        if not request.is_ajax() and not request.method == 'POST':
+            raise Http404
+        item_type = request.POST['item']
+        if 'value' in request.POST and 'item' in request.POST:
+            request.session[item_type] = request.POST['value']
+    else:
+        request.session[item_type] = str(pk)
+
+    currents = get_current_items(request)
+    # reinit when descending item are not relevant
+    if item_type == 'file' and currents['file'] and currents['operation'] and \
+            currents['operation'].associated_file != currents['file']:
+        request.session["operation"] = ''
+        currents['operation'] = None
+    if item_type in ('operation', 'file') and currents['contextrecord'] and \
+            (not request.session["operation"] or
+             currents['contextrecord'].operation != currents['operation']):
+        request.session["contextrecord"] = ''
+        currents['contextrecord'] = None
+    from archaeological_finds.models import Find
+    if item_type in ('contextrecord', 'operation', 'file') and currents['find'] and\
+        (not request.session["contextrecord"] or
+         not Find.objects.filter(
+             downstream_treatment__isnull=True,
+             base_finds__context_record__pk=request.session["contextrecord"],
+             pk=currents['find'].pk).count()):
+        request.session["find"] = ''
+        currents['find'] = None
+
+    # re-init ascending item with relevant values
+    if item_type == "find" and currents['find']:
+        from archaeological_context_records.models import ContextRecord
+        q = ContextRecord.objects.filter(
+            base_finds__find__pk=currents['find'].pk)
+        if q.count():
+            currents['contextrecord'] = q.all()[0]
+            request.session['contextrecord'] = str(
+                currents['contextrecord'].pk)
+    if item_type in ("find", 'contextrecord') and currents['contextrecord']:
+        currents['operation'] = currents['contextrecord'].operation
+        request.session['operation'] = str(currents['operation'].pk)
+    if item_type in ("find", 'contextrecord', 'operation') and \
+            currents['operation']:
+        currents['file'] = currents['operation'].associated_file
+        request.session['file'] = str(currents['file'].pk) if currents['file'] \
+            else None
     return HttpResponse('ok')