misc: add basic odt support to block fields (#50030)

tests/test_workflows.py

@@ -3590,7 +3590,18 @@ def test_export_to_model_django_template(pub):
 
 @pytest.mark.parametrize('filename', ['template-form-details.odt', 'template-form-details-no-styles.odt'])
 def test_export_to_model_form_details_section(pub, filename):
+    BlockDef.wipe()
     FormDef.wipe()
+
+    block = BlockDef()
+    block.name = 'foobar'
+    block.digest_template = 'X{{foobar_var_foo}}Y'
+    block.fields = [
+        StringField(id='123', required=True, label='Test', type='string', varname='foo'),
+        StringField(id='234', required=True, label='Test2', type='string', varname='bar'),
+    ]
+    block.store()
+
     formdef = FormDef()
     formdef.name = 'foo-export-details'
     formdef.fields = [
@@ -3609,6 +3620,7 @@ def test_export_to_model_form_details_section(pub, filename):
         PageField(id='13', label='Empty Page', type='page'),
         TitleField(id='14', label='Empty Title', type='title'),
         StringField(id='15', label='Empty String', type='string', varname='invisiblestr'),
+        BlockField(id='16', label='Block Field', type='block:foobar'),
     ]
     formdef.store()
     formdef.data_class().wipe()
@@ -3624,6 +3636,12 @@ def test_export_to_model_form_details_section(pub, filename):
         '10': time.strptime('2015-05-12', '%Y-%m-%d'),
         '11': 'foo',
         '12': [['1', '2'], ['3', '4']],
+        # value from test_block_digest in tests/form_pages/test_block.py
+        '16': {
+            'data': [{'123': 'foo', '234': 'bar'}, {'123': 'foo2', '234': 'bar2'}],
+            'schema': {'123': 'string', '234': 'string'},
+        },
+        '16_display': 'XfooY, Xfoo2Y',
     }
     formdata.just_created()
     formdata.store()
@@ -3663,6 +3681,7 @@ def test_export_to_model_form_details_section(pub, filename):
     assert '>2015-05-12<' in new_content
     assert 'Invisible' not in new_content
     assert new_content.count('/table:table-cell') == 8
+    assert 'XfooY, Xfoo2Y' in new_content
 
     if filename == 'template-form-details-no-styles.odt':
         new_styles = force_text(

wcs/fields.py

@@ -3363,6 +3363,11 @@ class BlockField(WidgetField):
             )
         return result
 
+    def get_opendocument_node_value(self, value, formdata=None, **kwargs):
+        node = ET.Element('{%s}span' % OD_NS['text'])
+        node.text = od_clean_text(force_text(value))
+        return node
+
 
 def get_field_class_by_type(type):
     for k in field_classes: