fix tags exclude filter behaviour (#1246)

* fix tags exclude filter behaviour

ci/Dockerfile

@@ -1,12 +0,0 @@
-FROM fedora:28
-
-RUN useradd -M -l -u 3000018 jenkins
-RUN dnf install -y \
-	gcc \
-	git \
-	libjpeg-devel \
-	openssh-clients \
-	python3-devel \
-	rsync \
-	zlib-devel \
-	--

ci/Jenkinsfile

@@ -1,34 +0,0 @@
-pipeline {
-    agent {
-        dockerfile {
-            dir 'ci'
-            args '-v /etc/ssh/ssh_known_hosts:/etc/ssh/ssh_known_hosts:ro'
-        }
-    }
-
-    triggers {
-        pollSCM ''
-    }
-
-    environment {
-        PUBLISH_HOST = 'file0.pyrocufflink.blue'
-        XDG_CACHE_HOME = "${WORKSPACE}"
-    }
-
-    stages {
-        stage('Build') {
-            steps {
-               sh '. ci/build.sh' 
-            }
-        }
-
-        stage('Publish') {
-            steps {
-                sshagent(['jenkins-sftp']) {
-                    sh '. ci/publish.sh'
-                }
-            }
-        }
-    }
-
-}

ci/build.sh

@@ -1,8 +0,0 @@
-rm -rf .venv
-python3.6 -m venv .venv
-
-rm -rf dist
-.venv/bin/pip install --upgrade pip setuptools wheel
-.venv/bin/pip wheel -w dist -r requirements.txt .
-
-sed -i '/^-i/d' requirements.txt

ci/publish.sh

@@ -1,9 +0,0 @@
-: ${PUBLISH_PATH:=/var/lib/wheels/taiga}
-
-rsync -rtiO \
-	--delete \
-	--include '*.whl' \
-	--include requirements.txt \
-	dist/ \
-	requirements.txt \
-	${PUBLISH_HOST}:${PUBLISH_PATH%/}/

setup.py

@@ -1,15 +0,0 @@
-from setuptools import find_packages, setup
-
-setup(
-    name='taiga-back',
-    use_scm_version=True,
-    description='taiga-back',
-    url='https://taiga.io/',
-    license='GPL-3',
-    packages=find_packages(
-        exclude=['tests', 'tests.*'],
-    ),
-    setup_requires=[
-        'setuptools_scm',
-    ],
-)

taiga/base/filters.py

@@ -515,8 +515,13 @@ class TagsFilter(FilterBackend):
     def _prepare_filter_query(self, query):
         return Q(tags__contains=query)
 
-    def _prepare_exclude_query(self, query):
-        return ~Q(tags__contains=query)
+    def _prepare_exclude_query(self, tags):
+        queries = [Q(tags__contains=[tag]) for tag in tags]
+        query = queries.pop()
+        for item in queries:
+            query |= item
+
+        return ~Q(query)
 
     def filter_queryset(self, request, queryset, view):
         operations = {

tests/integration/test_issues.py

@@ -476,6 +476,18 @@ def test_api_filters(client, filter_name, collection, expected, exclude_expected
     assert len(response.data) == exclude_expected
 
 
+def test_mulitple_exclude_filter_tags(client):
+    data = create_filter_issues_context()
+    project = data["project"]
+    client.login(data["users"][0])
+    tags = data["tags"]
+
+    url = "{}?project={}&exclude_tags={},{}".format(reverse('issues-list'), project.id, tags[1], tags[2])
+    response = client.get(url)
+    assert response.status_code == 200
+    assert len(response.data) == 4
+
+
 def test_api_filters_data(client):
     data = create_filter_issues_context()
     project = data["project"]