search in xapian

dashboard/mixins.py

@@ -28,7 +28,7 @@ class DashboardView(LoginRequiredMixin):
     title = ""
     subtitle = ""
     section = ""
-
+    
     def get_context_data(self, **kwargs):
         context = super().get_context_data(**kwargs)
         context.update({
@@ -72,14 +72,17 @@ class DetailsMixin(DashboardView, TemplateView):
 class InventaryMixin(DashboardView, TemplateView):
 
     def post(self, request, *args, **kwargs):
-        dev_ids = dict(self.request.POST).get("devices", [])
-        self.request.session["devices"] = dev_ids
-        url = self.request.POST.get("url")
+        post = dict(self.request.POST)
+        url = post.get("url")
+
         if url:
+            dev_ids = post.get("devices", [])
+            self.request.session["devices"] = dev_ids
+            
             try:
-                resource = resolve(url)
+                resource = resolve(url[0])
                 if resource and dev_ids:
-                    return redirect(url)
+                    return redirect(url[0])
             except Exception:
                 pass
         return super().get(request, *args, **kwargs)

dashboard/templates/base.html

@@ -179,6 +179,17 @@
           {% endblock messages %}
           <div class="d-flex justify-content-between flex-wrap flex-md-nowrap align-items-center pt-3 pb-2">
             <h1 class="h2">{{ title }}</h1>
+
+	    <form method="post" action="{% url 'dashboard:search' %}">
+              {% csrf_token %}
+              <div class="input-group rounded">
+                <input type="search" name="search" class="form-control rounded" placeholder="Search your device..." aria-label="Search" aria-describedby="search-addon" />
+        	<span class="input-group-text border-0" id="search-addon">
+        	  <i class="fas fa-search"></i>
+        	</span>
+              </div>
+            </form>
+	    
           </div>
           <div class="row border-bottom mb-3">
             <div class="col">

dashboard/urls.py

@@ -6,4 +6,5 @@ app_name = 'dashboard'
 urlpatterns = [
     path("", views.UnassignedDevicesView.as_view(), name="unassigned_devices"),
     path("<int:pk>/", views.LotDashboardView.as_view(), name="lot"),
+    path("search", views.SearchView.as_view(), name="search"),
 ]

dashboard/views.py

@@ -1,7 +1,12 @@
+import json
+
 from django.utils.translation import gettext_lazy as _
+from django.views.generic.edit import FormView
 from django.shortcuts import Http404
 
 from dashboard.mixins import InventaryMixin, DetailsMixin
+from evidence.models import Annotation
+from evidence.xapian import search
 from device.models import Device
 from lot.models import Lot
 
@@ -32,6 +37,49 @@ class LotDashboardView(InventaryMixin, DetailsMixin):
         return context
 
     def get_devices(self, user, offset, limit):
-        chids = self.object.devicelot_set.all().values_list("device_id", flat=True).distinct()
+        chids = self.object.devicelot_set.all().values_list(
+            "device_id", flat=True
+        ).distinct()
+        
         chids_page = chids[offset:offset+limit]
         return [Device(id=x) for x in chids_page], chids.count()
+
+
+class SearchView(InventaryMixin):
+    template_name = "unassigned_devices.html"
+    section = "Search"
+    title = _("Search Devices")
+    breadcrumb = "Devices / Search Devices"
+    
+    def get_devices(self, user, offset, limit):
+        post = dict(self.request.POST)
+        query = post.get("search")
+
+        if not query:
+            return [], 0
+        
+        matches = search(
+            self.request.user.institution,
+            query[0],
+            offset,
+            limit
+        )
+        
+        annotations = []
+        for x in matches:
+            annotations.extend(self.get_annotations(x))
+
+        devices = [Device(id=x) for x in set(annotations)]
+        count = matches.size()
+        return devices, count
+
+    def get_annotations(self, xp):
+        snap = xp.document.get_data()
+        uuid = json.loads(snap).get('uuid')
+        
+        return Annotation.objects.filter(
+            type=Annotation.Type.SYSTEM,
+            owner=self.request.user.institution,
+            uuid=uuid
+        ).values_list("value", flat=True).distinct()
+

evidence/xapian.py

@@ -18,7 +18,6 @@ def search(institution, qs, offset=0, limit=10):
     qp.set_stemmer(xapian.Stem("english"))
     qp.set_stemming_strategy(xapian.QueryParser.STEM_SOME)
     qp.add_prefix("uuid", "uuid")
-    # qp.add_prefix("snapshot", "snapshot")
     query = qp.parse_query(qs)
     institution_term = "U{}".format(institution.id)
     final_query = xapian.Query(