From 9876abaa8560b9eb75f45b4b71717e80406f5618 Mon Sep 17 00:00:00 2001
From: Étienne Loks <etienne.loks@iggdrasil.net>
Date: Mon, 12 Aug 2019 16:33:46 +0200
Subject: Import - match form: only display 250 first matches

---
 ishtar_common/templates/ishtar/formset_import_match.html |  6 ++++++
 ishtar_common/views.py                                   | 14 +++++++++++++-
 2 files changed, 19 insertions(+), 1 deletion(-)

diff --git a/ishtar_common/templates/ishtar/formset_import_match.html b/ishtar_common/templates/ishtar/formset_import_match.html
index 8997c309a..eda44e2b9 100644
--- a/ishtar_common/templates/ishtar/formset_import_match.html
+++ b/ishtar_common/templates/ishtar/formset_import_match.html
@@ -12,6 +12,12 @@
     <a href="{% url 'current_imports' %}">{% trans "Back to import list" %}</a>
   </p>
 <div class='form' id='global-vars'>
+  {% if MAX_FIELDS_REACHED %}
+  <div class="alert alert-warning">
+    {% blocktrans %}Only {{MAX_FIELDS_REACHED}} out of {{TOTAL}} fields have been displayed.
+    Fill these fields and submit the form to reach the other fields.{% endblocktrans %}
+  </div>
+  {% endif %}
   {% if extra_formset.non_form_errors %}
   <div class='errors'>{{extra_formset.non_form_errors.as_ul}}</div>{% endif %}
 
diff --git a/ishtar_common/views.py b/ishtar_common/views.py
index 8b4d212a7..f867a03cf 100644
--- a/ishtar_common/views.py
+++ b/ishtar_common/views.py
@@ -1606,16 +1606,28 @@ class ImportLinkView(IshtarMixin, LoginRequiredMixin, ModelFormSetView):
     }
     form_class = forms.TargetKeyForm
     formset_class = forms.TargetKeyFormset
+    max_fields = 250
 
     def get_formset_kwargs(self):
         kwargs = super(ImportLinkView, self).get_formset_kwargs()
         kwargs['user'] = self.request.user
         return kwargs
 
-    def get_queryset(self):
+    def full_queryset(self):
         return self.model.objects.filter(
             is_set=False, associated_import=self.kwargs['pk'])
 
+    def get_queryset(self):
+        return self.full_queryset()[:self.max_fields]
+
+    def get_context_data(self, **kwargs):
+        data = super().get_context_data(**kwargs)
+        total = self.full_queryset().count()
+        if total > self.max_fields:
+            data['MAX_FIELDS_REACHED'] = self.max_fields
+            data['TOTAL'] = total
+        return data
+
     def get_success_url(self):
         return reverse('import_link_unmatched', args=[self.kwargs['pk']])
 
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