Archaelogical file search mecanism (closes #142)

1 files changed, 46 insertions, 0 deletions

diff --git a/ishtar/furnitures/views.py b/ishtar/furnitures/views.py
index b266bed63..041ebfb76 100644
--- a/ishtar/furnitures/views.py
+++ b/ishtar/furnitures/views.py
@@ -120,6 +120,52 @@ def autocomplete_file(request):
                                           for file in files])
     return HttpResponse(data, mimetype='text/plain')
 
+def json_file(request):
+    if not request.GET:
+        return HttpResponse(mimetype='text/plain')
+    request_keys = {'town':'towns__pk',
+                    'file_type':'file_type__pk',
+                    'year':'year',
+                    'value':'name',
+                    }
+    dct = {}
+    for k in request_keys:
+        q = request.GET.get(k)
+        if not q:
+            continue
+        dct[request_keys[k]] = q
+    if not dct:
+        if 'json_file' in request.session:
+            dct = request.session['json_file']
+        elif 'file' in request.session:
+            dct = {"pk":request.session['file']}
+        if not dct:
+            return HttpResponse(mimetype='text/plain')
+    else:
+        request.session['json_file'] = dct
+    query = Q(**dct)
+    files = models.File.objects.filter(query)
+    q = request.GET.get('sidx')
+    if q and q in request_keys:
+        k = request_keys[q]
+        if k.endswith("__pk"):
+            k = k[:-len("__pk")] + "__label"
+        q = request.GET.get('sord')
+        sign = q and q == u'desc' and "-" or ''
+        if k == "name":
+            files = files.order_by(sign + 'year').order_by(
+                                             sign + 'numeric_reference')
+        else:
+            files = files.order_by(sign + k)
+    data = json.dumps({
+        "records":len(files),
+        "rows":[{"id":unicode(fle.pk),
+         "cell":(unicode(fle.pk), unicode(fle),
+                 unicode(fle.file_type), unicode(fle.year))}
+                                   for fle in files]
+        })
+    return HttpResponse(data, mimetype='text/plain')
+
 def autocomplete_operation(request, non_closed=True):
     if not request.GET.get('term'):
         return HttpResponse(mimetype='text/plain')