add search for hids

dashboard/views.py

@@ -3,6 +3,7 @@ import json
 from django.utils.translation import gettext_lazy as _
 from django.views.generic.edit import FormView
 from django.shortcuts import Http404
+from django.db.models import Q
 
 from dashboard.mixins import InventaryMixin, DetailsMixin
 from evidence.models import Annotation
@@ -40,7 +41,7 @@ class LotDashboardView(InventaryMixin, DetailsMixin):
         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()
 
@@ -50,21 +51,24 @@ class SearchView(InventaryMixin):
     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
         )
-        
+
+        if not matches.size():
+            return self.search_hids(query, offset, limit)
+
         annotations = []
         for x in matches:
             annotations.extend(self.get_annotations(x))
@@ -76,10 +80,26 @@ class SearchView(InventaryMixin):
     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()
 
+    def search_hids(self, query, offset, limit):
+        qry = Q()
+
+        for i in query[0].split(" "):
+            if i:
+                qry |= Q(value__startswith=i)
+
+        chids = Annotation.objects.filter(
+            type=Annotation.Type.SYSTEM,
+            owner=self.request.user.institution
+        ).filter(
+            qry
+        ).values_list("value", flat=True).distinct()
+        chids_page = chids[offset:offset+limit]
+
+        return [Device(id=x) for x in chids_page], chids.count()