add bin modified date and keep it updated

ifcbdb/assets/js/bin.js

@@ -135,20 +135,30 @@ function showWorkspace(workspace) {
     }
 }
 
+function updateDateTimeLabel(selector, value) {
+    if (!value) {
+        $(selector).closest(".flex-row").hide();
+        return;
+    }
+
+    const timestamp = moment.utc(value);
+    const dateString = timestamp.format("YYYY-MM-DD");
+    const timeString = timestamp.format("HH:mm:ss z");
+    const relativeTime = timestamp.fromNow();
+
+    const text =
+        `${dateString}<br/>${timeString}<br/>` +
+        `(<span data-livestamp='${value}'>${relativeTime}</span>)`;
+
+    $(selector).closest(".flex-row").show();
+    $(selector).html(text);
+}
+
 //************* Bin Methods ***********************/
 function updateBinStats(data) {
-    var timestamp_iso = data["timestamp_iso"];
-    var timestamp = moment.utc(timestamp_iso);
-
-    var date_string = timestamp.format("YYYY-MM-DD");
-    var time_string = timestamp.format("HH:mm:ss z");
-    var initial_relative_time = timestamp.fromNow();
-
-    $("#stat-date-time").html(
-        date_string + "<br/>" +
-        time_string + "<br/>" +
-        "(<span data-livestamp='"+timestamp_iso+"'>"+initial_relative_time+"</span>)"
-    );
+    updateDateTimeLabel("#stat-date-time", data.timestamp_iso);
+    updateDateTimeLabel("#stat-modified", data.modified);
+    updateDateTimeLabel("#stat-accessioned", data.accessioned);
 
     function showField(id, text) {
         $("#show-"+id).removeClass("d-none").addClass("d-flex");

ifcbdb/dashboard/accession.py

@@ -9,6 +9,7 @@
 from django.db import IntegrityError, transaction
 from django.db.models import Count, Max
 from django.contrib.postgres.aggregates.general import StringAgg
+from django.utils import timezone
 
 import pandas as pd
 import numpy as np
@@ -96,6 +97,8 @@ def sync_one(self, pid):
             'data_directory': dd_found,
             'skip': True, # in case accession is interrupted
             'team': team,
+            'modified': timezone.now(),
+            'accessioned': timezone.now(),
         })
 
         # For existing bins, if the team value is not set, and there is one, save that value. This handles pre-existing
@@ -167,6 +170,8 @@ def sync(self, progress_callback=do_nothing, log_callback=do_nothing):
                     'data_directory': dd,
                     'skip': True, # in case accession is interrupted
                     'team': team,
+                    'modified': timezone.now(),
+                    'accessioned': timezone.now(),
                 })
 
                 # For existing bins, if the team value is not set, and there is one, save that value. This handles pre-existing

ifcbdb/dashboard/management/commands/bintool.py

@@ -59,6 +59,9 @@ def handle(self, *args, **options):
             except Dataset.DoesNotExist:
                 self.stderr.write(f"Dataset '{add_dataset_name}' does not exist.")
 
+        # Update timestamp on affected bins
+        bins.update(modified=timezone.now())
+
         if options['cache_paths']:
             for b in bins:
                 b._get_bin() # this will cache the path if it isn't already

ifcbdb/dashboard/management/commands/updatetriggers.py

@@ -5,6 +5,7 @@
 
 from django.core.management.base import BaseCommand, CommandError
 from django.db import transaction
+from django.utils import timezone
 from tqdm import tqdm
 from tqdm._utils import _term_move_up
 
@@ -42,8 +43,10 @@ def bulk_update(self, chunk, pbar):
                 pbar.write(self.border)
                 continue
             bin.n_triggers = self.n_triggers(self.last_line(bin.adc_path()))
+            bin.modified = timezone.now()
             objs.append(bin)
-        res = Bin.objects.bulk_update(objs, ['n_triggers'])
+
+        res = Bin.objects.bulk_update(objs, ['n_triggers', 'modified'])
         pbar.update(res)
         if res == 0:
             pbar.write(self.clear_border + ("Error: Bins, " + str(objs) + " not updated! Continuing ..."))
@@ -77,8 +80,7 @@ def parse_input_csv(self, input_csv):
             row = next(reader)
             with transaction.atomic():
                 for row in reader:
-                    res = 0
-                    res = Bin.objects.filter(pid=row[0]).update(n_triggers=row[1])
+                    res = Bin.objects.filter(pid=row[0]).update(n_triggers=row[1], modified=timezone.now())
                     if res == 0:
                         print("Error: Bin, " + bin.pid + " not updated! Continuing ...")
 

ifcbdb/dashboard/migrations/0053_bin_modified.py

@@ -0,0 +1,18 @@
+# Generated by Django 4.2.29 on 2026-03-25 03:44
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('dashboard', '0052_team_short_description'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='bin',
+            name='modified',
+            field=models.DateTimeField(auto_now=True, null=True),
+        ),
+    ]

ifcbdb/dashboard/migrations/0054_bin_accessioned_alter_bin_modified.py

@@ -0,0 +1,23 @@
+# Generated by Django 4.2.30 on 2026-04-23 14:17
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('dashboard', '0053_bin_modified'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='bin',
+            name='accessioned',
+            field=models.DateTimeField(null=True),
+        ),
+        migrations.AlterField(
+            model_name='bin',
+            name='modified',
+            field=models.DateTimeField(null=True),
+        ),
+    ]

ifcbdb/dashboard/models.py

@@ -510,6 +510,8 @@ class Bin(models.Model):
     data_directory = models.ForeignKey('DataDirectory', null=True, blank=True, on_delete=models.SET_NULL)
     # accession
     added = models.DateTimeField(auto_now_add=True, null=True)
+    modified = models.DateTimeField(auto_now=False, null=True)
+    accessioned = models.DateTimeField(auto_now=False, null=True)
     # qaqc flags
     qc_bad = models.BooleanField(default=False) # is this bin invalid
     qc_no_rois = models.BooleanField(default=False)
@@ -816,6 +818,11 @@ def add_tag(self, tag_name, user=None):
         event, created = TagEvent.objects.get_or_create(bin=self, tag=tag)
         if created and user is not None:
             event.user = user
+
+        # Update the timestamp on the bin
+        if created:
+            self.save(update_fields=['modified'])
+
         return event
 
     def delete_tag(self, tag_name, normalize=True):
@@ -825,6 +832,9 @@ def delete_tag(self, tag_name, normalize=True):
         event = TagEvent.objects.get(bin=self, tag=tag)
         event.delete()
 
+        # Update the timestamp on the bin
+        self.save(update_fields=['modified'])
+
     # comments
 
     def add_comment(self, content, user=None, skip_duplicates=False):
@@ -835,11 +845,17 @@ def add_comment(self, content, user=None, skip_duplicates=False):
         comment = Comment(bin=self, content=content, user=user)
         comment.save()
 
+        # Update the timestamp on the bin
+        self.save(update_fields=['modified'])
+
     def delete_comment(self, comment_id, user):
         try:
             comment = Comment.objects.get(bin=self, pk=comment_id)
             if user.is_staff:
                 comment.delete()
+
+                # Update the timestamp on the bin
+                self.save(update_fields=['modified'])
         except:
             pass
 

ifcbdb/dashboard/views.py

@@ -881,6 +881,8 @@ def _bin_details(bin, dataset=None, view_size=None, scale_factor=None, preload_a
         "cruise": bin.cruise,
         "cast": bin.cast,
         "niskin": bin.niskin,
+        "modified": bin.modified,
+        "accessioned": bin.accessioned,
     }
 
 def _mosaic_page_image(request, bin_id):

ifcbdb/secure/views.py

@@ -6,6 +6,7 @@
 from django.contrib.auth.models import User, Group
 from django.db.models import Count
 from django import forms
+from django.utils import timezone
 from django.views.decorators.http import require_POST, require_GET
 from django.http import JsonResponse, Http404, HttpResponseForbidden, HttpResponse, StreamingHttpResponse
 from django.shortcuts import render, get_object_or_404, redirect, reverse
@@ -399,12 +400,18 @@ def merge_tag(request, id):
             # Get the list of bins already assigned to the target tag to prevent creating duplicates
             assigned_bins = TagEvent.query(tag=target, dataset=dataset).values("bin")
 
+            # Get the bins that will be affected so we can update the modified date
+            affected_bin_ids = list(tag_events.values_list("bin_id", flat=True))
+
             # Update the tag on any records not already assigned to the target tag
             tag_events.exclude(bin__in=assigned_bins).update(tag=target)
 
             # Remove any records already assigned to the target tag
             tag_events.filter(bin__in=assigned_bins).delete()
 
+            # Update the timestamp on affected bins
+            Bin.objects.filter(id__in=affected_bin_ids).update(modified=timezone.now())
+
             # If the tag is no longer in use on any bins, remove it
             if TagEvent.objects.filter(tag=tag).count() == 0:
                 tag.delete()
@@ -721,6 +728,9 @@ def update_comment(request, bin_id):
     comment.content = content
     comment.save()
 
+    # Update the timestamp on the bin
+    bin.save(update_fields=['modified'])
+
     return JsonResponse({
         "id": comment.id,
         "comments": bin.comment_list,
@@ -1126,6 +1136,9 @@ def assign_dataset(bin_qs, dataset):
     num_already_assigned = dataset.bins.filter(id__in=bin_qs.values_list("id", flat=True)).count()
 
     dataset.bins.add(*bin_qs)
+
+    # Update the timestamp on all updated bins
+    bin_qs.update(modified=timezone.now())
 
     total = bin_qs.count()
     num_assigned = total - num_already_assigned
@@ -1155,6 +1168,9 @@ def unassign_dataset(bin_qs, dataset):
         })
 
     dataset.bins.remove(*bin_qs)
+
+    # Update the timestamp on all updated bins
+    bin_qs.update(modified=timezone.now())
 
     label = "bins" if num_assigned != 1 else "bin"
     return JsonResponse({

ifcbdb/templates/dashboard/bin.html

@@ -566,6 +566,12 @@
                                 <a {% if user.is_authenticated %}href="javascript:;"{% endif %} id="stat-skip"></a>
                             </div>
                         </div>
+                      <div class="d-flex flex-row">
+                        <div class="flex-column">Modified: <span id="stat-modified"></span></div>
+                      </div>
+                      <div class="d-flex flex-row">
+                        <div class="flex-column">Accessioned: <span id="stat-accessioned"></span></div>
+                      </div>
                       <!-- Download links -->
                       <p class="h5-responsive">Download:</p>
                       <div class="d-flex flex-row">