def row_update(
request: HttpRequest,
workflow: Optional[models.Workflow] = None,
) -> HttpResponse:
"""Process POST request to update a row in the data table.
:param request: Request object with all the data.
:param workflow: Workflow being manipulated
:return: Http Response with the page rendering.
"""
# Get the pair key,value to fetch the row from the table
update_key = request.GET.get('k')
update_val = request.GET.get('v')
if not update_key or not update_val:
# Malformed request
return render(request, 'error.html',
{'message': _('Unable to update table row')})
# Get the form populated with the row values
form = forms.RowForm(request.POST or None,
workflow=workflow,
initial_values=sql.get_row(
workflow.get_data_frame_table_name(),
key_name=update_key,
key_value=update_val,
column_names=workflow.get_column_names()))
if request.method == 'POST' and form.is_valid():
if not form.has_changed():
return redirect('table:display')
try:
row_values = [
form.cleaned_data[(ONTASK_UPLOAD_FIELD_PREFIX + '%s') % idx]
for idx in range(workflow.columns.count())
]
services.update_row_values(workflow, update_key, update_val,
row_values)
except Exception as exc:
form.add_error(None, str(exc))
return render(
request, 'dataops/row_filter.html', {
'workflow': workflow,
'form': form,
'cancel_url': reverse('table:display')
})
workflow.log(request.user,
models.Log.WORKFLOW_DATA_ROW_UPDATE,
new_values=list(
zip([col.name for col in workflow.columns.all()],
[str(rval) for rval in row_values])))
return redirect('table:display')
return render(request, 'dataops/row_filter.html', {
'workflow': workflow,
'form': form,
'cancel_url': reverse('table:display')
})
def get_row_values(
action: models.Action,
row_idx: Union[int, Tuple[str, str]],
) -> Dict[str, Union[str, int, float, datetime]]:
"""Get the values in a row either by index or by key.
Given an action and a row index, obtain the appropriate row of values
from the data frame.
:param action: Action object
:param row_idx: Row index to use for evaluation
:return Dictionary with the data row
"""
# Step 1: Get the row of data from the DB
filter_formula = action.get_filter_formula()
# If row_idx is an integer, get the data by index, otherwise, by key
if isinstance(row_idx, int):
row = pandas.get_table_row_by_index(
action.workflow,
filter_formula,
row_idx,
)
else:
row = sql.get_row(
action.workflow.get_data_frame_table_name(),
row_idx[0],
row_idx[1],
column_names=action.workflow.get_column_names(),
filter_formula=filter_formula,
)
return row
def test_row_create(self):
"""Test the view to filter items."""
nrows = self.workflow.nrows
# Row create (GET)
resp = self.get_response('dataops:rowcreate')
self.assertTrue(status.is_success(resp.status_code))
# Row create POST
resp = self.get_response('dataops:rowcreate',
method='POST',
req_params={
'___ontask___upload_0': '8',
'___ontask___upload_1': 'text1',
'___ontask___upload_2': 'text2',
'___ontask___upload_3': '12.1',
'___ontask___upload_4': '12.2',
'___ontask___upload_5': 'on',
'___ontask___upload_6': '',
'___ontask___upload_7':
'06/07/2019 19:32',
'___ontask___upload_8': '06/05/2019 19:23'
})
self.assertTrue(status.is_success(resp.status_code))
# Update the workflow
self.workflow.refresh_from_db()
self.assertEqual(nrows, self.workflow.nrows)
# Row create POST
resp = self.get_response('dataops:rowcreate',
method='POST',
req_params={
'___ontask___upload_0': '9',
'___ontask___upload_1': 'text add 1',
'___ontask___upload_2': 'text add 2',
'___ontask___upload_3': '22',
'___ontask___upload_4': '23',
'___ontask___upload_5': 'on',
'___ontask___upload_7':
'06/07/2019 19:32',
'___ontask___upload_8': '06/05/2019 19:23'
})
self.assertEqual(resp.status_code, status.HTTP_302_FOUND)
# Update the workflow
self.workflow.refresh_from_db()
self.assertEqual(nrows + 1, self.workflow.nrows)
row_val = get_row(self.workflow.get_data_frame_table_name(),
key_name='key',
key_value=9)
self.assertEqual(row_val['text1'], 'text add 1')
self.assertEqual(row_val['text2'], 'text add 2')
self.assertEqual(row_val['double1'], 22)
self.assertEqual(row_val['double2'], 23)
def test_row_edit(self):
"""Test the view to filter items."""
nrows = self.workflow.nrows
# Row edit (GET)
resp = self.get_response('dataops:rowupdate',
req_params={
'k': 'key',
'v': '8'
})
self.assertTrue(status.is_success(resp.status_code))
self.assertTrue('Edit learner data' in str(resp.content))
# Get the GET URL with the paramegters
request = self.factory.get(reverse('dataops:rowupdate'), {
'k': 'key',
'v': '8'
})
request = self.factory.post(
request.get_full_path(), {
'___ontask___upload_0': '8',
'___ontask___upload_1': 'NEW TEXT 1',
'___ontask___upload_2': 'NEW TEXT 2',
'___ontask___upload_3': '111',
'___ontask___upload_4': '222',
'___ontask___upload_5': 'on',
'___ontask___upload_6': '',
'___ontask___upload_7': '06/07/2019 19:32',
'___ontask___upload_8': '06/05/2019 19:23'
})
request = self.add_middleware(request)
resp = row_update(request)
self.assertEqual(resp.status_code, status.HTTP_302_FOUND)
row_val = get_row(self.workflow.get_data_frame_table_name(),
key_name='key',
key_value=8)
self.assertEqual(row_val['text1'], 'NEW TEXT 1')
self.assertEqual(row_val['text2'], 'NEW TEXT 2')
self.assertEqual(row_val['double1'], 111)
self.assertEqual(row_val['double2'], 222)
def row_update(
request: HttpRequest,
workflow: Optional[Workflow] = None,
) -> HttpResponse:
"""Process POST request to update a row in the data table.
:param request: Request object with all the data.
:return:
"""
# Get the pair key,value to fetch the row from the table
update_key = request.GET.get('k')
update_val = request.GET.get('v')
if not update_key or not update_val:
# Malformed request
return render(request, 'error.html',
{'message': _('Unable to update table row')})
# Get the form populated with the row values
form = RowForm(request.POST or None,
workflow=workflow,
initial_values=get_row(
workflow.get_data_frame_table_name(),
key_name=update_key,
key_value=update_val,
column_names=workflow.get_column_names()))
if request.method == 'POST' and form.is_valid():
if not form.has_changed():
return redirect('table:display')
# Create the query to update the row
column_names = [col.name for col in workflow.columns.all()]
row_values = [
form.cleaned_data[(FIELD_PREFIX + '%s') % idx]
for idx in range(len(column_names))
]
try:
with transaction.atomic():
# Update the row in the db
update_row(workflow.get_data_frame_table_name(),
column_names,
row_values,
filter_dict={update_key: update_val})
# verify that the "key" property is maintained in all the
# columns.
check_key_columns(workflow)
except Exception as exc:
form.add_error(None, str(exc))
return render(
request, 'dataops/row_filter.html', {
'workflow': workflow,
'form': form,
'cancel_url': reverse('table:display')
})
# Recompute all the values of the conditions in each of the actions
# TODO: Explore how to do this asynchronously (or lazy)
map(lambda act: act.update_n_rows_selected(), workflow.actions.all())
# Log the event
Log.objects.register(
request.user, Log.TABLEROW_UPDATE, workflow, {
'id':
workflow.id,
'name':
workflow.name,
'new_values':
list(zip(column_names, [str(rval) for rval in row_values]))
})
return redirect('table:display')
return render(request, 'dataops/row_filter.html', {
'workflow': workflow,
'form': form,
'cancel_url': reverse('table:display')
})
def get_table_visualization_items(
workflow: models.Workflow,
rowselect_key: Optional[str] = None,
rowselect_val: Optional[Any] = None,
pk: Optional[int] = None,
) -> Optional[Tuple[str, Dict]]:
"""Get a tuple with a template, and a dictionary to visualize a table.
:param workflow: Workflow being processed
:param rowselect_key: Optional key name to select a row
:param rowselect_val: Optional value to select a row
:param pk: Primary key of a view (could be none)
:return:
"""
# Get the data frame and the columns
df_col_view = _get_df_and_columns(workflow, pk)
if not df_col_view:
return None
df, columns_to_view, view = df_col_view
if bool(rowselect_key):
template = 'table/stat_row.html'
row = sql.get_row(
workflow.get_data_frame_table_name(),
rowselect_key,
rowselect_val,
column_names=[col.name for col in columns_to_view],
)
else:
row = None
template = 'table/stat_view.html'
vis_scripts = []
visualizations = []
context = {
'style': 'max-width:{0}px; max-height:{1}px; margin: auto;'.format(
VISUALIZATION_WIDTH,
VISUALIZATION_HEIGHT),
}
for idx, column in enumerate(columns_to_view):
# Add the title and surrounding container
visualizations.append(
'<hr/><h4 class="text-center">' + column.name + '</h4>')
# If all values are empty, no need to proceed
if all(not col_data for col_data in df[column.name]):
visualizations.append(
'<p>' + _('No values in this column') + '</p>')
continue
if row and not row[column.name]:
visualizations.append(
'<p class="alert-warning">' + _('No value in this column')
+ '</p>',
)
column_viz = _get_column_visualisations(
column,
df[[column.name]],
vis_scripts=vis_scripts,
viz_id='column_{0}'.format(idx),
single_val=row[column.name] if row else None,
context=context)
visualizations.extend([vis.html_content for vis in column_viz])
return template, {
'value': rowselect_val,
'view': view,
'vis_scripts': vis_scripts,
'visualizations': visualizations}
