Add pretty JSON filter and enhance JSON display in viewer state and annotations

atlas/templates/atlas/partials/displayset_row.html

@@ -55,12 +55,10 @@
             <details>
                 <summary class="small text-muted" style="cursor:pointer;">Show advanced (viewer state & annotations)</summary>
                 <div>
-                    <strong>Viewer State:</strong>
-                        <pre class="small">{{ ds.viewerstate|default:"{}" }}</pre>
+                    {% include 'atlas/partials/json_pretty.html' with json_value=ds.viewerstate title='Viewer State' %}
                 </div>
                 <div>
-                    <strong>Annotations:</strong>
-                        <pre class="small">{{ ds.annotations|default:"{}" }}</pre>
+                    {% include 'atlas/partials/json_pretty.html' with json_value=ds.annotations title='Annotations' %}
                 </div>
             </details>
         </div>

atlas/templates/atlas/partials/json_pretty.html

@@ -0,0 +1,78 @@
+<div class="json-block mb-2">
+  <div class="d-flex justify-content-between align-items-center mb-1">
+    <strong>{{ title }}</strong>
+    <div>
+      <button type="button" class="btn btn-sm btn-outline-secondary btn-copy-json" title="Copy JSON">Copy</button>
+      <button type="button" class="btn btn-sm btn-outline-secondary btn-toggle-json" title="Toggle JSON">Hide</button>
+    </div>
+  </div>
+
+  <div class="json-container small" style="max-height:360px; overflow:auto; font-family: monospace; background: #f8f9fa; padding: .5rem; border-radius: .25rem;"></div>
+
+  <script>
+  (function(){
+    // Parse template-provided JSON value into a JS object
+    var obj;
+    try{
+      obj = {{ json_value|default:"{}"|safe }};
+    }catch(e){
+      try{ obj = JSON.parse(String({{ json_value|default:"{}"|safe }})); }catch(e){ obj = {}; }
+    }
+
+    var container = document.currentScript.previousElementSibling;
+    var btnCopy = document.currentScript.parentNode.querySelector('.btn-copy-json');
+    var btnToggle = document.currentScript.parentNode.querySelector('.btn-toggle-json');
+
+    function renderWithFormatter(depth){
+      container.innerHTML = '';
+      if (window.JSONFormatter){
+        try{
+          var fmt = new JSONFormatter(obj, depth || 1, {hoverPreviewEnabled: false, animateOpen: false});
+          container.appendChild(fmt.render());
+          return fmt;
+        }catch(e){
+          container.textContent = JSON.stringify(obj, null, 2);
+          return null;
+        }
+      } else {
+        container.textContent = JSON.stringify(obj, null, 2);
+        return null;
+      }
+    }
+
+    // Dynamic load of json-formatter-js if not already present
+    function ensureFormatter(cb){
+      if (window.JSONFormatter) return cb();
+      var s = document.createElement('script');
+      s.src = 'https://unpkg.com/json-formatter-js@2.3.3/dist/json-formatter.umd.js';
+      s.onload = function(){ setTimeout(cb, 0); };
+      s.onerror = function(){ cb(); };
+      document.head.appendChild(s);
+    }
+
+    // Keep current formatter instance so we can re-render collapsed/expanded
+    var currentFormatter = null;
+    ensureFormatter(function(){ currentFormatter = renderWithFormatter(1); });
+
+    btnToggle.addEventListener('click', function(){
+      // Toggle between collapsed (depth=1) and expanded (depth=0 => fully expanded)
+      if (btnToggle.dataset.state === 'expanded'){
+        currentFormatter = renderWithFormatter(1);
+        btnToggle.dataset.state = 'collapsed';
+        btnToggle.textContent = 'Show';
+      } else {
+        currentFormatter = renderWithFormatter(0);
+        btnToggle.dataset.state = 'expanded';
+        btnToggle.textContent = 'Hide';
+      }
+    });
+
+    btnCopy.addEventListener('click', function(){
+      var text = JSON.stringify(obj, null, 2);
+      if (navigator.clipboard){ navigator.clipboard.writeText(text).catch(function(){}); }
+      else { var ta = document.createElement('textarea'); ta.value = text; document.body.appendChild(ta); ta.select(); try{document.execCommand('copy');}catch(e){} document.body.removeChild(ta); }
+    });
+
+  })();
+  </script>
+</div>

atlas/templatetags/json_filters.py

@@ -0,0 +1,27 @@
+import json
+from django import template
+from django.utils.safestring import mark_safe
+from django.utils.html import escape
+
+register = template.Library()
+
+
+@register.filter(name="pretty_json")
+def pretty_json(value):
+    """Pretty-print a JSON string or Python object for display inside <pre>.
+
+    Returns an HTML-escaped, pretty-formatted JSON string (marked safe).
+    """
+    try:
+        if isinstance(value, str):
+            obj = json.loads(value)
+        else:
+            obj = value
+        pretty = json.dumps(obj, indent=2, default=str, sort_keys=True)
+    except Exception:
+        try:
+            pretty = str(value) if value is not None else "{}"
+        except Exception:
+            pretty = "{}"
+
+    return mark_safe(escape(pretty))

atlas/views.py

@@ -3395,6 +3395,19 @@ def case_download(request, pk):
                 "id": case.pk,
                 "title": case.title,
                 "authors": [str(a) for a in case.author.all()],
+                # Non-DICOM metadata
+                "description": case.description,
+                "history": case.history,
+                "discussion": case.discussion,
+                "report": case.report,
+                "created_date": getattr(case, "created_date", None),
+                "modified_date": getattr(case, "modified_date", None),
+                "presentation": [str(p) for p in case.presentation.all()],
+                "subspecialty": [str(s) for s in case.subspecialty.all()],
+                "pathological_process": [str(p) for p in case.pathological_process.all()],
+                "procedures": [str(p) for p in case.procedures.all()],
+                "conditions": [str(c) for c in case.condition.all()],
+                "case_size_bytes": case.get_total_series_images_size() if hasattr(case, "get_total_series_images_size") else None,
             },
             "series": [],
         }