Merge pull request #717 from pawl/newfiltersmongoengine

add empty, between, and list filters + tests to mongoengine and peewee

examples/custom-sqla-filter/README.rst → examples/sqla-custom-filter/README.rst

-Custom filter with SQLAlchemy backend example.
+Example of custom filters for the SQLAlchemy backend.
 
 To run this example:
 
@@ -14,11 +14,11 @@ To run this example:
 
 3. Install requirements::
 
-  pip install -r 'examples/custom-filter/requirements.txt'
+  pip install -r 'examples/sqla-custom-filter/requirements.txt'
 
 4. Run the application::
 
-  python examples/custom-filter/app.py
+  python examples/sqla-custom-filter/app.py
 
 The first time you run this example, a sample sqlite database gets populated automatically. To suppress this behaviour,
 comment the following lines in app.py:::

flask_admin/contrib/mongoengine/filters.py

-from flask.ext.admin.babel import gettext
+import datetime
+
+from flask.ext.admin.babel import lazy_gettext
 from flask.ext.admin.model import filters
 
 from .tools import parse_like_term
-
+from mongoengine.queryset import Q
 
 class BaseMongoEngineFilter(filters.BaseFilter):
     """
@@ -33,7 +35,7 @@ class FilterEqual(BaseMongoEngineFilter):
         return query.filter(**flt)
 
     def operation(self):
-        return gettext('equals')
+        return lazy_gettext('equals')
 
 
 class FilterNotEqual(BaseMongoEngineFilter):
@@ -42,7 +44,7 @@ class FilterNotEqual(BaseMongoEngineFilter):
         return query.filter(**flt)
 
     def operation(self):
-        return gettext('not equal')
+        return lazy_gettext('not equal')
 
 
 class FilterLike(BaseMongoEngineFilter):
@@ -52,7 +54,7 @@ class FilterLike(BaseMongoEngineFilter):
         return query.filter(**flt)
 
     def operation(self):
-        return gettext('contains')
+        return lazy_gettext('contains')
 
 
 class FilterNotLike(BaseMongoEngineFilter):
@@ -62,7 +64,7 @@ class FilterNotLike(BaseMongoEngineFilter):
         return query.filter(**flt)
 
     def operation(self):
-        return gettext('not contains')
+        return lazy_gettext('not contains')
 
 
 class FilterGreater(BaseMongoEngineFilter):
@@ -71,7 +73,7 @@ class FilterGreater(BaseMongoEngineFilter):
         return query.filter(**flt)
 
     def operation(self):
-        return gettext('greater than')
+        return lazy_gettext('greater than')
 
 
 class FilterSmaller(BaseMongoEngineFilter):
@@ -80,7 +82,43 @@ class FilterSmaller(BaseMongoEngineFilter):
         return query.filter(**flt)
 
     def operation(self):
-        return gettext('smaller than')
+        return lazy_gettext('smaller than')
+
+
+class FilterEmpty(BaseMongoEngineFilter, filters.BaseBooleanFilter):
+    def apply(self, query, value):
+        if value == '1':
+            flt = {'%s' % self.column.name: None}
+        else:
+            flt = {'%s__ne' % self.column.name: None}
+        return query.filter(**flt)
+        
+    def operation(self):
+        return lazy_gettext('empty')
+        
+
+class FilterInList(BaseMongoEngineFilter):
+    def __init__(self, column, name, options=None, data_type=None):
+        super(FilterInList, self).__init__(column, name, options, data_type='select2-tags')
+
+    def clean(self, value):
+        return [v.strip() for v in value.split(',') if v.strip()]
+        
+    def apply(self, query, value):
+        flt = {'%s__in' % self.column.name: value}
+        return query.filter(**flt)
+        
+    def operation(self):
+        return lazy_gettext('in list')
+        
+
+class FilterNotInList(FilterInList):
+    def apply(self, query, value):
+        flt = {'%s__nin' % self.column.name: value}
+        return query.filter(**flt)
+    
+    def operation(self):
+        return lazy_gettext('not in list')
         
 
 # Customized type filters
@@ -96,10 +134,66 @@ class BooleanNotEqualFilter(FilterNotEqual, filters.BaseBooleanFilter):
         return query.filter(**flt)
 
 
+class DateTimeEqualFilter(FilterEqual, filters.BaseDateTimeFilter):
+    pass
+    
+
+class DateTimeNotEqualFilter(FilterNotEqual, filters.BaseDateTimeFilter):
+    pass
+    
+
+class DateTimeGreaterFilter(FilterGreater, filters.BaseDateTimeFilter):
+    pass
+        
+
+class DateTimeSmallerFilter(FilterSmaller, filters.BaseDateTimeFilter):
+    pass
+    
+
+class DateTimeBetweenFilter(BaseMongoEngineFilter):
+    def __init__(self, column, name, options=None, data_type=None):
+        super(DateTimeBetweenFilter, self).__init__(column, name, options, data_type='datetimerangepicker')
+        
+    def clean(self, value):
+        return [datetime.datetime.strptime(range, '%Y-%m-%d %H:%M:%S') for range in value.split(' to ')]
+        
+    def apply(self, query, value):
+        start, end = value
+        flt = {'%s__gte' % self.column.name: start, '%s__lte' % self.column.name: end}
+        return query.filter(**flt)
+    
+    def operation(self):
+        return lazy_gettext('between')
+        
+    def validate(self, value):
+        try:
+            value = [datetime.datetime.strptime(range, '%Y-%m-%d %H:%M:%S') for range in value.split(' to ')]
+            if (len(value) == 2) and (value[0] <= value[1]):
+                return True
+            else:
+                return False
+        except ValueError:
+            return False
+            
+
+class DateTimeNotBetweenFilter(DateTimeBetweenFilter):
+    def apply(self, query, value):
+        start, end = value
+        return query.filter(Q(**{'%s__not__gte' % self.column.name: start}) | 
+                            Q(**{'%s__not__lte' % self.column.name: end}))
+
+    def operation(self):
+        return lazy_gettext('not between')
+        
+        
 # Base peewee filter field converter
 class FilterConverter(filters.BaseFilterConverter):
-    strings = (FilterEqual, FilterNotEqual, FilterLike, FilterNotLike)
-    numeric = (FilterEqual, FilterNotEqual, FilterGreater, FilterSmaller)
+    strings = (FilterEqual, FilterNotEqual, FilterLike, FilterNotLike, FilterEmpty, FilterInList, FilterNotInList)
+    numeric = (FilterEqual, FilterNotEqual, FilterGreater, FilterSmaller, FilterEmpty, FilterInList, FilterNotInList)
+    bool = (BooleanEqualFilter, BooleanNotEqualFilter)
+    datetime_filters = (DateTimeEqualFilter, DateTimeNotEqualFilter, DateTimeGreaterFilter, 
+                DateTimeSmallerFilter, DateTimeBetweenFilter, DateTimeNotBetweenFilter, 
+                FilterEmpty)
 
     def convert(self, type_name, column, name):
         if type_name in self.converters:
@@ -107,24 +201,18 @@ class FilterConverter(filters.BaseFilterConverter):
 
         return None
 
-    @filters.convert('StringField', 'EmailField')
+    @filters.convert('StringField', 'EmailField', 'URLField')
     def conv_string(self, column, name):
         return [f(column, name) for f in self.strings]
 
     @filters.convert('BooleanField')
     def conv_bool(self, column, name):
-        return [BooleanEqualFilter(column, name),
-                BooleanNotEqualFilter(column, name)]
+        return [f(column, name) for f in self.bool]
 
-    @filters.convert('IntField', 'DecimalField', 'FloatField')
+    @filters.convert('IntField', 'DecimalField', 'FloatField', 'LongField')
     def conv_int(self, column, name):
         return [f(column, name) for f in self.numeric]
 
-    @filters.convert('DateField')
-    def conv_date(self, column, name):
-        return [f(column, name, data_type='datepicker') for f in self.numeric]
-
-    @filters.convert('DateTimeField')
+    @filters.convert('DateTimeField', 'ComplexDateTimeField')
     def conv_datetime(self, column, name):
-        return [f(column, name, data_type='datetimepicker')
-                for f in self.numeric]
+        return [f(column, name) for f in self.datetime_filters]

flask_admin/contrib/mongoengine/view.py

@@ -433,7 +433,7 @@ class ModelView(BaseModelView):
         if self._filters:
             for flt, flt_name, value in filters:
                 f = self._filters[flt]
-                query = f.apply(query, value)
+                query = f.apply(query, f.clean(value))
 
         # Search
         if self._search_supported and search:

flask_admin/contrib/peewee/view.py

@@ -313,7 +313,7 @@ class ModelView(BaseModelView):
                 f = self._filters[flt]
 
                 query = self._handle_join(query, f.column, joins)
-                query = f.apply(query, value)
+                query = f.apply(query, f.clean(value))
 
         # Get count
         count = query.count()

flask_admin/tests/mongoengine/test_basic.py

@@ -13,6 +13,7 @@ from flask.ext.admin.contrib.mongoengine import ModelView
 
 from . import setup
 
+from datetime import datetime
 
 class CustomModelView(ModelView):
     def __init__(self, model,
@@ -32,6 +33,7 @@ def create_models(db):
         test2 = db.StringField(max_length=20)
         test3 = db.StringField()
         test4 = db.StringField()
+        datetime_field = db.DateTimeField()
 
         def __str__(self):
             return self.test1
@@ -127,20 +129,25 @@ def test_column_filters():
     Model1, Model2 = create_models(db)
     
     # fill DB with values
-    model1_obj1 = Model1(test1=u'test1_val_1', test2=u'test2_val_1')
-    model1_obj1.save()
-    model1_obj2 = Model1(test1=u'test1_val_2', test2=u'test2_val_2')
-    model1_obj2.save()
-    model2_obj1 = Model2(string_field=u'string_field_val_1', int_field=5000)
-    model2_obj1.save()
-    model2_obj2 = Model2(string_field=u'string_field_val_2', int_field=9000)
-    model2_obj2.save()
+    Model1('test1_val_1', 'test2_val_1').save()
+    Model1('test1_val_2', 'test2_val_2').save()
+    Model1('test1_val_3', 'test2_val_3').save()
+    Model1('test1_val_4', 'test2_val_4').save()
+    Model1(None, 'empty_obj').save()
+    
+    Model2('string_field_val_1', None).save()
+    Model2('string_field_val_2', None).save()
+    Model2('string_field_val_3', 5000).save()
+    Model2('string_field_val_4', 9000).save()
+    
+    Model1('datetime_obj1', datetime_field=datetime(2014,4,3,1,9,0)).save()
+    Model1('datetime_obj2', datetime_field=datetime(2013,3,2,0,8,0)).save()
 
     # Test string filter
     view = CustomModelView(Model1, column_filters=['test1'])
     admin.add_view(view)
     
-    eq_(len(view._filters), 4)
+    eq_(len(view._filters), 7)
 
     eq_([(f['index'], f['operation']) for f in view._filter_groups[u'Test1']],
         [
@@ -148,6 +155,9 @@ def test_column_filters():
             (1, 'not equal'),
             (2, 'contains'),
             (3, 'not contains'),
+            (4, 'empty'),
+            (5, 'in list'),
+            (6, 'not in list'),
         ])
         
     # Make some test clients
@@ -181,6 +191,40 @@ def test_column_filters():
     ok_('test2_val_1' not in data)
     ok_('test1_val_2' in data)
     
+    # string - empty
+    rv = client.get('/admin/model1/?flt0_4=1')
+    eq_(rv.status_code, 200)
+    data = rv.data.decode('utf-8')
+    ok_('empty_obj' in data)
+    ok_('test1_val_1' not in data)
+    ok_('test1_val_2' not in data)
+    
+    # string - not empty
+    rv = client.get('/admin/model1/?flt0_4=0')
+    eq_(rv.status_code, 200)
+    data = rv.data.decode('utf-8')
+    ok_('empty_obj' not in data)
+    ok_('test1_val_1' in data)
+    ok_('test1_val_2' in data)
+    
+    # string - in list
+    rv = client.get('/admin/model1/?flt0_5=test1_val_1%2Ctest1_val_2')
+    eq_(rv.status_code, 200)
+    data = rv.data.decode('utf-8')
+    ok_('test2_val_1' in data)
+    ok_('test2_val_2' in data)
+    ok_('test1_val_3' not in data)
+    ok_('test1_val_4' not in data)
+    
+    # string - not in list
+    rv = client.get('/admin/model1/?flt0_6=test1_val_1%2Ctest1_val_2')
+    eq_(rv.status_code, 200)
+    data = rv.data.decode('utf-8')
+    ok_('test2_val_1' not in data)
+    ok_('test2_val_2' not in data)
+    ok_('test1_val_3' in data)
+    ok_('test1_val_4' in data)
+    
     # Test numeric filter
     view = CustomModelView(Model2, column_filters=['int_field'])
     admin.add_view(view)
@@ -191,35 +235,149 @@ def test_column_filters():
             (1, 'not equal'),
             (2, 'greater than'),
             (3, 'smaller than'),
+            (4, 'empty'),
+            (5, 'in list'),
+            (6, 'not in list'),
         ])
     
     # integer - equals
     rv = client.get('/admin/model2/?flt0_0=5000')
     eq_(rv.status_code, 200)
     data = rv.data.decode('utf-8')
-    ok_('string_field_val_1' in data)
-    ok_('string_field_val_2' not in data)
+    ok_('string_field_val_3' in data)
+    ok_('string_field_val_4' not in data)
     
     # integer - not equal
     rv = client.get('/admin/model2/?flt0_1=5000')
     eq_(rv.status_code, 200)
     data = rv.data.decode('utf-8')
-    ok_('string_field_val_1' not in data)
-    ok_('string_field_val_2' in data)
+    ok_('string_field_val_3' not in data)
+    ok_('string_field_val_4' in data)
     
     # integer - greater
     rv = client.get('/admin/model2/?flt0_2=6000')
     eq_(rv.status_code, 200)
     data = rv.data.decode('utf-8')
-    ok_('string_field_val_1' not in data)
-    ok_('string_field_val_2' in data)
+    ok_('string_field_val_3' not in data)
+    ok_('string_field_val_4' in data)
     
     # integer - smaller
     rv = client.get('/admin/model2/?flt0_3=6000')
     eq_(rv.status_code, 200)
     data = rv.data.decode('utf-8')
+    ok_('string_field_val_3' in data)
+    ok_('string_field_val_4' not in data)
+    
+    # integer - empty
+    rv = client.get('/admin/model2/?flt0_4=1')
+    eq_(rv.status_code, 200)
+    data = rv.data.decode('utf-8')
     ok_('string_field_val_1' in data)
+    ok_('string_field_val_2' in data)
+    ok_('string_field_val_3' not in data)
+    ok_('string_field_val_4' not in data)
+    
+    # integer - not empty
+    rv = client.get('/admin/model2/?flt0_4=0')
+    eq_(rv.status_code, 200)
+    data = rv.data.decode('utf-8')
+    ok_('string_field_val_1' not in data)
     ok_('string_field_val_2' not in data)
+    ok_('string_field_val_3' in data)
+    ok_('string_field_val_4' in data)
+    
+    # integer - in list
+    rv = client.get('/admin/model2/?flt0_5=5000%2C9000')
+    eq_(rv.status_code, 200)
+    data = rv.data.decode('utf-8')
+    ok_('string_field_val_1' not in data)
+    ok_('string_field_val_2' not in data)
+    ok_('string_field_val_3' in data)
+    ok_('string_field_val_4' in data)
+    
+    # integer - not in list
+    rv = client.get('/admin/model2/?flt0_6=5000%2C9000')
+    eq_(rv.status_code, 200)
+    data = rv.data.decode('utf-8')
+    ok_('string_field_val_1' in data)
+    ok_('string_field_val_2' in data)
+    ok_('string_field_val_3' not in data)
+    ok_('string_field_val_4' not in data)
+    
+    # Test datetime filter
+    view = CustomModelView(Model1,
+                           column_filters=['datetime_field'], 
+                           endpoint="_datetime")
+    admin.add_view(view)
+    
+    eq_([(f['index'], f['operation']) for f in view._filter_groups[u'Datetime Field']],
+        [
+            (0, 'equals'),
+            (1, 'not equal'),
+            (2, 'greater than'),
+            (3, 'smaller than'),
+            (4, 'between'),
+            (5, 'not between'),
+            (6, 'empty'),
+        ])
+    
+    # datetime - equals
+    rv = client.get('/admin/_datetime/?flt0_0=2014-04-03+01%3A09%3A00')
+    eq_(rv.status_code, 200)
+    data = rv.data.decode('utf-8')
+    ok_('datetime_obj1' in data)
+    ok_('datetime_obj2' not in data)
+    
+    # datetime - not equal
+    rv = client.get('/admin/_datetime/?flt0_1=2014-04-03+01%3A09%3A00')
+    eq_(rv.status_code, 200)
+    data = rv.data.decode('utf-8')
+    ok_('datetime_obj1' not in data)
+    ok_('datetime_obj2' in data)
+    
+    # datetime - greater
+    rv = client.get('/admin/_datetime/?flt0_2=2014-04-03+01%3A08%3A00')
+    eq_(rv.status_code, 200)
+    data = rv.data.decode('utf-8')
+    ok_('datetime_obj1' in data)
+    ok_('datetime_obj2' not in data)
+    
+    # datetime - smaller
+    rv = client.get('/admin/_datetime/?flt0_3=2014-04-03+01%3A08%3A00')
+    eq_(rv.status_code, 200)
+    data = rv.data.decode('utf-8')
+    ok_('datetime_obj1' not in data)
+    ok_('datetime_obj2' in data)
+    
+    # datetime - between
+    rv = client.get('/admin/_datetime/?flt0_4=2014-04-02+00%3A00%3A00+to+2014-11-20+23%3A59%3A59')
+    eq_(rv.status_code, 200)
+    data = rv.data.decode('utf-8')
+    ok_('datetime_obj1' in data)
+    ok_('datetime_obj2' not in data)
+    
+    # datetime - not between
+    rv = client.get('/admin/_datetime/?flt0_5=2014-04-02+00%3A00%3A00+to+2014-11-20+23%3A59%3A59')
+    eq_(rv.status_code, 200)
+    data = rv.data.decode('utf-8')
+    ok_('datetime_obj1' not in data)
+    ok_('datetime_obj2' in data)
+    
+    # datetime - empty
+    rv = client.get('/admin/_datetime/?flt0_6=1')
+    eq_(rv.status_code, 200)
+    data = rv.data.decode('utf-8')
+    ok_('test1_val_1' in data)
+    ok_('datetime_obj1' not in data)
+    ok_('datetime_obj2' not in data)
+    
+    # datetime - not empty
+    rv = client.get('/admin/_datetime/?flt0_6=0')
+    eq_(rv.status_code, 200)
+    data = rv.data.decode('utf-8')
+    ok_('test1_val_1' not in data)
+    ok_('datetime_obj1' in data)
+    ok_('datetime_obj2' in data)
     
 def test_default_sort():
     app, db, admin = setup()