Container autocomplete: unaccent - any order of container types

1 files changed, 33 insertions, 28 deletions

diff --git a/archaeological_warehouse/views.py b/archaeological_warehouse/views.py
index 4fa60ff89..c6072a4df 100644
--- a/archaeological_warehouse/views.py
+++ b/archaeological_warehouse/views.py
@@ -18,6 +18,7 @@
 # See the file COPYING for details.
 
 import json
+from unidecode import unidecode
 
 from django.core.urlresolvers import reverse
 from django.db.models import Q
@@ -143,33 +144,34 @@ def autocomplete_container(request, warehouse_id=None):
     )
     limit = 15 - len(containers)
     splitted = [s.lower() for s in term.split(" ") if s and s != "|"]
+    unaccent_splitted = [unidecode(s).lower() for s in term.split(" ")
+                         if s and s != "|"]
 
     if limit > 0 and len(splitted) > 1:
         type_positions = []  # container_type ID, pos inf, pos sup
         container_types = [
-            (c[0], c[1])
+            (c[0], unidecode(c[1]).lower())
             for c in models.ContainerType.objects.values_list("id", "label")
         ]
         for container_type_id, value in container_types:
-            if value.lower() in term.lower():  # container_type is in search q
-                values = [v.lower() for v in value.split(" ") if v]
-
+            if value in unidecode(term).lower():  # container_type is in search q
+                values = [unidecode(v.lower()) for v in value.split(" ") if v]
                 # verify that all term match in splitted
                 try:
-                    index = splitted.index(values[0].lower())
+                    index = unaccent_splitted.index(values[0])
                 except ValueError:
                     index = None
                 index_is_ok = False
                 while not index_is_ok and index is not None:
                     for idx, v in enumerate(values):
                         try:
-                            assert splitted[index + idx] == v
+                            assert unaccent_splitted[index + idx] == v
                         except (ValueError, AssertionError):
                             break
                         index_is_ok = True
                     if not index_is_ok:
                         try:
-                            index = splitted.index(values[0].lower(), index + 1)
+                            index = unaccent_splitted.index(values[0], index + 1)
                         except ValueError:
                             index = None
                 if index_is_ok:
@@ -182,27 +184,30 @@ def autocomplete_container(request, warehouse_id=None):
             for idx in range(type_positions[0][1]):
                 query &= Q(location__name__icontains=splitted[idx])
         # group by container type, ref tuple
-        groups = []
-        for idx, (container_type_id, pos_inf, pos_sup) in enumerate(type_positions):
-            if len(type_positions) == idx + 1:  # last
-                value = " ".join(splitted[pos_sup:])
-            else:
-                value = " ".join(splitted[pos_sup : type_positions[idx + 1][1]])
-            if value:
-                groups.append((container_type_id, value))
-        if groups:
-            query = base_query
-            for idx, g in enumerate(reversed(groups)):
-                base_key = "parent__" * idx
-                key1 = base_key + "container_type_id"
-                key2 = base_key + "reference__unaccent__iexact"
-                query &= Q(**{key1: g[0], key2: g[1]})
-            ids = {c["id"] for c in containers}
-            containers += list(
-                models.Container.objects.filter(query)
-                .exclude(pk__in=ids)
-                .values("id", "cached_label")[:limit]
-            )
+        # can be in any order
+        for positions in (type_positions, list(reversed(type_positions))):
+            groups = []
+            for idx, (container_type_id, pos_inf, pos_sup) in enumerate(positions):
+                if len(positions) == idx + 1:  # last
+                    value = " ".join(splitted[pos_sup:])
+                else:
+                    value = " ".join(splitted[pos_sup:positions[idx + 1][1]])
+                if value:
+                    groups.append((container_type_id, value))
+            if groups:
+                for gp in (groups, reversed(groups)):
+                    query = base_query
+                    for idx, g in enumerate(gp):
+                        base_key = "parent__" * idx
+                        key1 = base_key + "container_type_id"
+                        key2 = base_key + "reference__unaccent__iexact"
+                        query &= Q(**{key1: g[0], key2: g[1]})
+                    ids = {c["id"] for c in containers}
+                    containers += list(
+                        models.Container.objects.filter(query)
+                        .exclude(pk__in=ids)
+                        .values("id", "cached_label")[:limit]
+                    )
 
     if len(splitted) > 1 and len(containers) < 15:
         # group to do a "type" "reference" search