Dodo/kfet history limit exceptions

kfet/templates/kfet/history.html

@@ -57,12 +57,18 @@ $(document).ready(function() {
         });
     }
 
+    const history_limit = '{{ history_limit }}';
+    // trigrammes speciaux (LIQ, #13)
+    // Peuvent être consulté a une date plus vielle que history_limit
+    const history_no_limit_accounts = [{% for id in history_no_limit_account_ids %}'{{ id }}', {% endfor %}];
+    const history_no_limit = '{{ history_no_limit }}';
+
     let defaults_datetimepicker = {
         timeZone  : 'Europe/Paris',
         format    : 'YYYY-MM-DD HH:mm',
         stepping  : 5,
         locale    : 'fr',
-        minDate   : '{{ history_limit }}',
+        minDate   : history_limit,
         showTodayButton: true,
         widgetPositioning: {
             horizontal: "left",
@@ -77,11 +83,29 @@ $(document).ready(function() {
         defaultDate: moment(),
     }));
 
-    $("#from_date").on("dp.change", function (e) {
-        $('#to_date').data("DateTimePicker").minDate(e.date);
+    $from_date.on("dp.change", function (e) {
+        $to_date.data("DateTimePicker").minDate(e.date);
     });
-    $("#to_date").on("dp.change", function (e) {
-        $('#from_date').data("DateTimePicker").maxDate(e.date);
+    $to_date.on("dp.change", function (e) {
+        $from_date.data("DateTimePicker").maxDate(e.date);
+    });
+
+    $account.on("change", function (e) {
+        const selected_id = $account.val();
+        if (history_no_limit_accounts.includes(selected_id)) {
+            // it is a special account
+            // earlier history limit
+            $from_date.data("DateTimePicker").minDate(history_no_limit);
+        }
+        else {
+            // normal history limit + reset to date for good measure
+            if ($to_date.val() < history_limit) {
+                // setting a min date > max_date causes errors
+                $from_date.data("DateTimePicker").maxDate(history_limit);
+                $to_date.data("DateTimePicker").minDate(history_limit);
+            }
+            $from_date.data("DateTimePicker").minDate(history_limit);
+        }
     });
 
     $("#btn-fetch").on('click', function() {

kfet/views.py

@@ -3,7 +3,7 @@ import statistics
 from collections import defaultdict
 from datetime import datetime, timedelta
 from decimal import Decimal
-from typing import List
+from typing import List, Tuple
 from urllib.parse import urlencode
 
 from django.conf import settings
@@ -1429,16 +1429,23 @@ def cancel_operations(request):
     return JsonResponse(data)
 
 
-def get_history_limit(user) -> datetime:
-    """returns the earliest date the given user can view history
-    according to his/her permissions"""
+def get_history_limit(user) -> Tuple[datetime, datetime]:
+    """returns a tuple of 2 dates
+    - the earliest date the given user can view history of any account
+    - the earliest date the given user can view history of special accounts
+       (LIQ and #13)"""
     now = timezone.now()
     if user.has_perm("kfet.access_old_history"):
-        return now - settings.KFET_HISTORY_LONG_DATE_LIMIT
+        return (
+            now - settings.KFET_HISTORY_LONG_DATE_LIMIT,
+            settings.KFET_HISTORY_NO_DATE_LIMIT,
+        )
     if user.has_perm("kfet.is_team"):
-        return now - settings.KFET_HISTORY_LONG_DATE_LIMIT
+        limit = now - settings.KFET_HISTORY_DATE_LIMIT
+        return limit, limit
     # should not happen - future earliest date
-    return now + timedelta(days=1)
+    future = now + timedelta(days=1)
+    return future, future
 
 
 @login_required
@@ -1527,7 +1534,12 @@ def history_json(request):
         return JsonResponse({}, status=403)
     if limit_date:
         # limiter l'accès à l'historique ancien pour confidentialité
-        earliest_date = get_history_limit(request.user)
+        earliest_date, earliest_date_no_limit = get_history_limit(request.user)
+        if (
+            account
+            and account.trigramme in settings.KFET_HISTORY_NO_DATE_LIMIT_TRIGRAMMES
+        ):
+            earliest_date = earliest_date_no_limit
         opegroups = opegroups.filter(at__gte=earliest_date)
         transfergroups = transfergroups.filter(at__gte=earliest_date)
 
@@ -1619,10 +1631,19 @@ def kpsul_articles_data(request):
 
 @teamkfet_required
 def history(request):
-    history_limit = get_history_limit(request.user)
+    # These limits are only useful for JS datepickers
+    # They don't enforce anything and can be bypassed
+    # Serious checks are done in history_json
+    history_limit, history_no_limit = get_history_limit(request.user)
+    history_no_limit_account_ids = Account.objects.filter(
+        trigramme__in=settings.KFET_HISTORY_NO_DATE_LIMIT_TRIGRAMMES
+    ).values_list("id", flat=True)
+    format_date = lambda date: date.strftime("%Y-%m-%d %H:%M")
     data = {
         "filter_form": FilterHistoryForm(),
-        "history_limit": history_limit.strftime("%Y-%m-%d %H:%M"),
+        "history_limit": format_date(history_limit),
+        "history_no_limit_account_ids": history_no_limit_account_ids,
+        "history_no_limit": format_date(history_no_limit),
     }
     return render(request, "kfet/history.html", data)