Merge pull request #1687 from wger-project/feature/language-filter

Allow deactivating the language filter when searching for ingredients and exercises

wger/exercises/api/views.py

@@ -87,6 +87,7 @@
     HTML_ATTRIBUTES_WHITELIST,
     HTML_STYLES_WHITELIST,
     HTML_TAG_WHITELIST,
+    SEARCH_ALL_LANGUAGES,
 )
 from wger.utils.db import is_postgres_db
 from wger.utils.language import load_language
@@ -346,8 +347,14 @@ def search(request):
     if not q:
         return Response(response)
 
+    # Filter the appropriate languages
     languages = [load_language(l) for l in language_codes.split(',')]
-    query = Exercise.objects.filter(language__in=languages).only('name')
+    if language_codes == SEARCH_ALL_LANGUAGES:
+        query = Exercise.objects.all()
+    else:
+        query = Exercise.objects.filter(language__in=languages)
+
+    query = query.only('name')
 
     # Postgres uses a full-text search
     if is_postgres_db():

wger/exercises/tests/test_search_api.py

@@ -94,3 +94,12 @@ def test_search_several_language_codes(self):
 
         self.assertEqual(response.status_code, status.HTTP_200_OK)
         self.assertEqual(len(response.data['suggestions']), 4)
+
+    def test_search_all_languages(self):
+        """
+        Passing different language codes works correctly
+        """
+        response = self.client.get(self.url + '?term=demo&language=*')
+
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+        self.assertEqual(len(response.data['suggestions']), 4)

wger/nutrition/api/views.py

@@ -23,7 +23,6 @@
 from django.contrib.postgres.search import TrigramSimilarity
 from django.utils.decorators import method_decorator
 from django.views.decorators.cache import cache_page
-
 # Third Party
 from drf_spectacular.types import OpenApiTypes
 from drf_spectacular.utils import (
@@ -73,12 +72,14 @@
     NutritionPlan,
     WeightUnit,
 )
-from wger.utils.constants import ENGLISH_SHORT_NAME
+from wger.utils.constants import (
+    ENGLISH_SHORT_NAME,
+    SEARCH_ALL_LANGUAGES,
+)
 from wger.utils.db import is_postgres_db
 from wger.utils.language import load_language
 from wger.utils.viewsets import WgerOwnerObjectModelViewSet
 
-
 logger = logging.getLogger(__name__)
 
 
@@ -211,15 +212,21 @@ def search(request):
     term = request.GET.get('term', None)
     language_codes = request.GET.get('language', ENGLISH_SHORT_NAME)
     results = []
-    json_response = {}
+    response = {}
 
     if not term:
-        return Response(json_response)
+        return Response(response)
 
+    query = Ingredient.objects.all()
+
+    # Filter the appropriate languages
     languages = [load_language(l) for l in language_codes.split(',')]
-    query = Ingredient.objects.filter(
-        language__in=languages,
-    ).only('name')
+    if language_codes != SEARCH_ALL_LANGUAGES:
+        query = query.filter(
+            language__in=languages,
+        )
+
+    query = query.only('name')
 
     # Postgres uses a full-text search
     if is_postgres_db():
@@ -252,9 +259,9 @@ def search(request):
             },
         }
         results.append(ingredient_json)
-    json_response['suggestions'] = results
+    response['suggestions'] = results
 
-    return Response(json_response)
+    return Response(response)
 
 
 class ImageViewSet(viewsets.ReadOnlyModelViewSet):

wger/nutrition/fixtures/test-ingredients.json

@@ -143,8 +143,8 @@
       "license_author": "wger test",
       "last_update": "2013-02-12T01:00:00+01:00",
       "created": "2013-04-05T01:00:00+01:00",
-      "name": "Raw ingredient",
-      "language": 2,
+      "name": "Testzutat 123",
+      "language": 1,
       "sodium": "2.1",
       "energy": 180,
       "fat": "2",
@@ -333,7 +333,7 @@
       "last_update": "2013-02-12T01:00:00+01:00",
       "created": "2013-04-05T01:00:00+01:00",
       "name": "Needed for guest user",
-      "language": 2,
+      "language": 3,
       "sodium": "2.1",
       "energy": 180,
       "fat": "2",
@@ -360,7 +360,7 @@
       "last_update": "2013-02-12T01:00:00+01:00",
       "created": "2013-04-05T01:00:00+01:00",
       "name": "Needed for guest user",
-      "language": 2,
+      "language": 3,
       "sodium": "2.1",
       "energy": 180,
       "fat": "2",

wger/nutrition/tests/test_ingredient_overview.py

@@ -56,7 +56,7 @@ def test_overview(self):
         self.assertEqual(response.status_code, 200)
         self.assertEqual(len(response.context['ingredients_list']), PAGINATION_OBJECTS_PER_PAGE)
 
-        rest_ingredients = 14
+        rest_ingredients = 11
         response = self.client.get(reverse('nutrition:ingredient:list'), {'page': 3})
         self.assertEqual(response.status_code, 200)
         self.assertEqual(len(response.context['ingredients_list']), rest_ingredients)

wger/nutrition/tests/test_search_api.py

@@ -0,0 +1,114 @@
+# This file is part of wger Workout Manager.
+#
+# wger Workout Manager is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# wger Workout Manager is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with Workout Manager.  If not, see <http://www.gnu.org/licenses/>.
+
+# Third Party
+from rest_framework import status
+
+# wger
+from wger.core.tests.api_base_test import ApiBaseTestCase
+from wger.core.tests.base_testcase import BaseTestCase
+
+
+class SearchIngredientApiTestCase(BaseTestCase, ApiBaseTestCase):
+    url = '/api/v2/ingredient/search/'
+
+    def setUp(self):
+        super().setUp()
+        self.init_media_root()
+
+    def test_basic_search_logged_out(self):
+        """
+        Logged-out users are also allowed to use the search
+        """
+        response = self.client.get(self.url + '?term=test')
+        result1 = response.data['suggestions'][0]
+
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+        self.assertEqual(len(response.data['suggestions']), 2)
+        self.assertEqual(result1['value'], 'Ingredient, test, 2, organic, raw')
+        self.assertEqual(result1['data']['id'], 2)
+
+    def test_basic_search_logged_in(self):
+        """
+        Logged-in users get the same results
+        """
+        self.authenticate('test')
+        response = self.client.get(self.url + '?term=test')
+        result1 = response.data['suggestions'][0]
+
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+        self.assertEqual(len(response.data['suggestions']), 2)
+        self.assertEqual(result1['value'], 'Ingredient, test, 2, organic, raw')
+        self.assertEqual(result1['data']['id'], 2)
+
+    def test_search_language_code_en(self):
+        """
+        Explicitly passing the en language code (same as no code)
+        """
+        response = self.client.get(self.url + '?term=test&language=en')
+        result1 = response.data['suggestions'][0]
+
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+        self.assertEqual(len(response.data['suggestions']), 2)
+        self.assertEqual(result1['value'], 'Ingredient, test, 2, organic, raw')
+        self.assertEqual(result1['data']['id'], 2)
+
+    def test_search_language_code_en_no_results(self):
+        """
+        The "Testzutat" ingredient should not be found when searching in English
+        """
+        response = self.client.get(self.url + '?term=Testzutat&language=en')
+
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+        self.assertEqual(len(response.data['suggestions']), 0)
+
+    def test_search_language_code_de(self):
+        """
+        The "Testübung" exercise should be only found when searching in German
+        """
+        response = self.client.get(self.url + '?term=Testzutat&language=de')
+        result1 = response.data['suggestions'][0]
+
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+        self.assertEqual(len(response.data['suggestions']), 1)
+        self.assertEqual(result1['value'], 'Testzutat 123')
+        self.assertEqual(result1['data']['id'], 6)
+
+    def test_search_several_language_codes(self):
+        """
+        Passing different language codes works correctly
+        """
+        response = self.client.get(self.url + '?term=guest&language=en,de')
+
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+        self.assertEqual(len(response.data['suggestions']), 5)
+
+    def test_search_unknown_language_codes(self):
+        """
+        Unknown language codes are ignored
+        """
+        response = self.client.get(self.url + '?term=guest&language=en,de,kg')
+
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+        self.assertEqual(len(response.data['suggestions']), 5)
+
+    def test_search_all_languages(self):
+        """
+        Disable all language filters
+        """
+        response = self.client.get(self.url + '?term=guest&language=*')
+
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+        self.assertEqual(len(response.data['suggestions']), 7)

wger/utils/constants.py

@@ -69,3 +69,4 @@
 
 # API
 API_MAX_ITEMS = 999
+SEARCH_ALL_LANGUAGES = '*'