Files
notifications-admin/app/main/views/templates.py
Chris Hill-Scott 5ffd7c4448 Add platform–admin-only page to preview DVLA code
Debugging the DVLA markup stuff is quite slow, because it’s split
between the API and utils, and things that work in tests don’t always
work with real template content.

This commit adds us a private endpoint that will let us see what DVLA
markup will be generated for any template, enabling a quicker feedback
loop.
2017-08-22 12:03:05 +01:00

594 lines
19 KiB
Python

from datetime import datetime, timedelta
from string import ascii_uppercase
from flask import (
request,
render_template,
redirect,
url_for,
flash,
abort,
json,
Response,
)
from flask_login import login_required, current_user
from dateutil.parser import parse
from notifications_utils.formatters import escape_html
from notifications_utils.recipients import first_column_headings
from notifications_utils.template import LetterDVLATemplate
from notifications_python_client.errors import HTTPError
from app.main import main
from app.utils import user_has_permissions, get_template, get_help_argument, email_or_sms_not_enabled
from app.template_previews import TemplatePreview, get_page_count_for_letter
from app.main.forms import (
ChooseTemplateType,
SMSTemplateForm,
EmailTemplateForm,
LetterTemplateForm,
SearchTemplatesForm,
)
from app.main.views.send import get_example_csv_rows
from app import service_api_client, current_service, template_statistics_client
form_objects = {
'email': EmailTemplateForm,
'sms': SMSTemplateForm,
'letter': LetterTemplateForm
}
page_headings = {
'email': 'email',
'sms': 'text message'
}
@main.route("/services/<service_id>/templates/<uuid:template_id>")
@login_required
@user_has_permissions(
'view_activity',
'send_texts',
'send_emails',
'manage_templates',
'manage_api_keys',
admin_override=True, any_=True
)
def view_template(service_id, template_id):
template = service_api_client.get_service_template(service_id, str(template_id))['data']
return render_template(
'views/templates/template.html',
template=get_template(
template,
current_service,
expand_emails=True,
letter_preview_url=url_for(
'.view_letter_template_preview',
service_id=service_id,
template_id=template_id,
filetype='png',
),
show_recipient=True,
page_count=get_page_count_for_letter(template),
),
)
@main.route("/services/<service_id>/start-tour/<uuid:template_id>")
@login_required
@user_has_permissions(
'view_activity',
'send_texts',
'send_emails',
'manage_templates',
'manage_api_keys',
admin_override=True, any_=True
)
def start_tour(service_id, template_id):
template = service_api_client.get_service_template(service_id, str(template_id))['data']
if template['template_type'] != 'sms':
abort(404)
return render_template(
'views/templates/start-tour.html',
template=get_template(
template,
current_service,
show_recipient=True,
),
help='1',
)
@main.route("/services/<service_id>/templates")
@main.route("/services/<service_id>/templates/<template_type>")
@login_required
@user_has_permissions(
'view_activity',
'send_texts',
'send_emails',
'manage_templates',
'manage_api_keys',
admin_override=True,
any_=True,
)
def choose_template(service_id, template_type='all'):
templates = service_api_client.get_service_templates(service_id)['data']
has_multiple_template_types = len({
template['template_type'] for template in templates
}) > 1
template_nav_items = [
(label, key, url_for('.choose_template', service_id=current_service['id'], template_type=key), '')
for label, key in filter(None, [
('All', 'all'),
('Text message', 'sms'),
('Email', 'email'),
('Letter', 'letter') if 'letter' in current_service['permissions'] else None,
])
]
templates_on_page = [
template for template in templates
if template_type in ['all', template['template_type']]
]
return render_template(
'views/templates/choose.html',
templates=templates_on_page,
show_search_box=(len(templates_on_page) > 7),
show_template_nav=has_multiple_template_types and (len(templates) > 2),
template_nav_items=template_nav_items,
template_type=template_type,
search_form=SearchTemplatesForm(),
)
@main.route("/services/<service_id>/templates/<template_id>/as-dvla")
@login_required
@user_has_permissions(admin_override=True)
def view_template_as_dvla_markup(service_id, template_id):
template = service_api_client.get_service_template(service_id, str(template_id))['data']
if template['template_type'] != 'letter':
abort(404)
return Response(
str(LetterDVLATemplate(
template,
notification_reference=1,
)).replace('<cr>', '<cr>\n'),
mimetype='text/plain',
)
@main.route("/services/<service_id>/templates/<template_id>.<filetype>")
@login_required
@user_has_permissions('view_activity', admin_override=True)
def view_letter_template_preview(service_id, template_id, filetype):
if filetype not in ('pdf', 'png'):
abort(404)
db_template = service_api_client.get_service_template(service_id, template_id)['data']
return TemplatePreview.from_database_object(db_template, filetype, page=request.args.get('page'))
def _view_template_version(service_id, template_id, version, letters_as_pdf=False):
return dict(template=get_template(
service_api_client.get_service_template(service_id, template_id, version=version)['data'],
current_service,
expand_emails=True,
letter_preview_url=url_for(
'.view_template_version_preview',
service_id=service_id,
template_id=template_id,
version=version,
filetype='png',
) if not letters_as_pdf else None
))
@main.route("/services/<service_id>/templates/<template_id>/version/<int:version>")
@login_required
@user_has_permissions(
'view_activity',
'send_texts',
'send_emails',
'manage_templates',
'manage_api_keys',
admin_override=True,
any_=True
)
def view_template_version(service_id, template_id, version):
return render_template(
'views/templates/template_history.html',
**_view_template_version(service_id=service_id, template_id=template_id, version=version)
)
@main.route("/services/<service_id>/templates/<template_id>/version/<int:version>.<filetype>")
@login_required
@user_has_permissions(
'view_activity',
'send_texts',
'send_emails',
'manage_templates',
'manage_api_keys',
admin_override=True,
any_=True
)
def view_template_version_preview(service_id, template_id, version, filetype):
db_template = service_api_client.get_service_template(service_id, template_id, version=version)['data']
return TemplatePreview.from_database_object(db_template, filetype)
@main.route("/services/<service_id>/templates/add", methods=['GET', 'POST'])
@login_required
@user_has_permissions('manage_templates', admin_override=True)
def add_template_by_type(service_id):
form = ChooseTemplateType(
include_letters='letter' in current_service['permissions']
)
if form.validate_on_submit():
if form.template_type.data == 'letter':
blank_letter = service_api_client.create_service_template(
'Untitled',
'letter',
'Body',
service_id,
'Main heading',
'normal',
)
return redirect(url_for(
'.view_template',
service_id=service_id,
template_id=blank_letter['data']['id'],
))
if email_or_sms_not_enabled(form.template_type.data, current_service['permissions']):
return redirect(url_for(
'.action_blocked',
service_id=service_id,
notification_type=form.template_type.data,
return_to='add_new_template',
template_id='0'
))
else:
return redirect(url_for(
'.add_service_template',
service_id=service_id,
template_type=form.template_type.data,
))
return render_template('views/templates/add.html', form=form)
@main.route("/services/<service_id>/templates/action-blocked/<notification_type>/<return_to>/<template_id>")
@login_required
@user_has_permissions('manage_templates', admin_override=True)
def action_blocked(service_id, notification_type, return_to, template_id):
if notification_type == 'sms':
notification_type = 'text messages'
elif notification_type == 'email':
notification_type = 'emails'
return render_template(
'views/templates/action_blocked.html',
service_id=service_id,
notification_type=notification_type,
return_to=return_to,
template_id=template_id
)
@main.route("/services/<service_id>/templates/add-<template_type>", methods=['GET', 'POST'])
@login_required
@user_has_permissions('manage_templates', admin_override=True)
def add_service_template(service_id, template_type):
if template_type not in ['sms', 'email', 'letter']:
abort(404)
if 'letter' not in current_service['permissions'] and template_type == 'letter':
abort(403)
form = form_objects[template_type]()
if form.validate_on_submit():
if form.process_type.data == 'priority':
abort_403_if_not_admin_user()
try:
new_template = service_api_client.create_service_template(
form.name.data,
template_type,
form.template_content.data,
service_id,
form.subject.data if hasattr(form, 'subject') else None,
form.process_type.data
)
except HTTPError as e:
if (
e.status_code == 400 and
'content' in e.message and
any(['character count greater than' in x for x in e.message['content']])
):
form.template_content.errors.extend(e.message['content'])
else:
raise e
else:
return redirect(
url_for('.view_template', service_id=service_id, template_id=new_template['data']['id'])
)
if email_or_sms_not_enabled(template_type, current_service['permissions']):
return redirect(url_for(
'.action_blocked',
service_id=service_id,
notification_type=template_type,
return_to='templates',
template_id='0'
))
else:
return render_template(
'views/edit-{}-template.html'.format(template_type),
form=form,
template_type=template_type,
heading_action='Add',
)
def abort_403_if_not_admin_user():
if not current_user.has_permissions([], admin_override=True):
abort(403)
@main.route("/services/<service_id>/templates/<template_id>/edit", methods=['GET', 'POST'])
@login_required
@user_has_permissions('manage_templates', admin_override=True)
def edit_service_template(service_id, template_id):
template = service_api_client.get_service_template(service_id, template_id)['data']
template['template_content'] = template['content']
form = form_objects[template['template_type']](**template)
if form.validate_on_submit():
if form.process_type.data != template['process_type']:
abort_403_if_not_admin_user()
subject = form.subject.data if hasattr(form, 'subject') else None
new_template = get_template({
'name': form.name.data,
'content': form.template_content.data,
'subject': subject,
'template_type': template['template_type'],
'id': template['id'],
'process_type': form.process_type.data
}, current_service)
template_change = get_template(template, current_service).compare_to(new_template)
if template_change.placeholders_added and not request.form.get('confirm'):
example_column_headings = (
first_column_headings[new_template.template_type] +
list(new_template.placeholders)
)
return render_template(
'views/templates/breaking-change.html',
template_change=template_change,
new_template=new_template,
column_headings=list(ascii_uppercase[:len(example_column_headings)]),
example_rows=[
example_column_headings,
get_example_csv_rows(new_template),
get_example_csv_rows(new_template)
],
form=form
)
try:
service_api_client.update_service_template(
template_id,
form.name.data,
template['template_type'],
form.template_content.data,
service_id,
subject,
form.process_type.data
)
except HTTPError as e:
if e.status_code == 400:
if 'content' in e.message and any(['character count greater than' in x for x in e.message['content']]):
form.template_content.errors.extend(e.message['content'])
else:
raise e
else:
raise e
else:
return redirect(url_for(
'.view_template',
service_id=service_id,
template_id=template_id
))
db_template = service_api_client.get_service_template(service_id, template_id)['data']
if email_or_sms_not_enabled(db_template['template_type'], current_service['permissions']):
return redirect(url_for(
'.action_blocked',
service_id=service_id,
notification_type=db_template['template_type'],
return_to='view_template',
template_id=template_id
))
else:
return render_template(
'views/edit-{}-template.html'.format(template['template_type']),
form=form,
template_id=template_id,
template_type=template['template_type'],
heading_action='Edit'
)
@main.route("/services/<service_id>/templates/<template_id>/delete", methods=['GET', 'POST'])
@login_required
@user_has_permissions('manage_templates', admin_override=True)
def delete_service_template(service_id, template_id):
template = service_api_client.get_service_template(service_id, template_id)['data']
if request.method == 'POST':
service_api_client.delete_service_template(service_id, template_id)
return redirect(url_for(
'.choose_template',
service_id=service_id,
))
try:
last_used_notification = template_statistics_client.get_template_statistics_for_template(
service_id, template['id']
)
message = 'It was last used {} ago'.format(
'more than seven days' if not last_used_notification else get_human_readable_delta(
parse(last_used_notification['created_at']).replace(tzinfo=None),
datetime.utcnow()
)
)
except HTTPError as e:
if e.status_code == 404:
message = None
else:
raise e
return render_template(
'views/templates/template.html',
template_delete_confirmation_message=(
'Are you sure you want to delete {}?'.format(template['name']),
message,
),
template=get_template(
template,
current_service,
expand_emails=True,
letter_preview_url=url_for(
'.view_letter_template_preview',
service_id=service_id,
template_id=template['id'],
filetype='png',
),
show_recipient=True,
)
)
@main.route("/services/<service_id>/templates/<template_id>/redact", methods=['GET'])
@login_required
@user_has_permissions('manage_templates', admin_override=True)
def confirm_redact_template(service_id, template_id):
return render_template(
'views/templates/template.html',
template=get_template(
service_api_client.get_service_template(service_id, template_id)['data'],
current_service,
expand_emails=True,
letter_preview_url=url_for(
'.view_letter_template_preview',
service_id=service_id,
template_id=template_id,
filetype='png',
),
show_recipient=True,
),
show_redaction_message=True,
)
@main.route("/services/<service_id>/templates/<template_id>/redact", methods=['POST'])
@login_required
@user_has_permissions('manage_templates', admin_override=True)
def redact_template(service_id, template_id):
service_api_client.redact_service_template(service_id, template_id)
flash(
'Personalised content will be hidden for messages sent with this template',
'default_with_tick'
)
return redirect(url_for(
'.view_template',
service_id=service_id,
template_id=template_id,
))
@main.route('/services/<service_id>/templates/<template_id>/versions')
@login_required
@user_has_permissions(
'view_activity',
'send_texts',
'send_emails',
'manage_templates',
'manage_api_keys',
admin_override=True,
any_=True
)
def view_template_versions(service_id, template_id):
return render_template(
'views/templates/choose_history.html',
versions=[
get_template(
template,
current_service,
expand_emails=True,
letter_preview_url=url_for(
'.view_template_version_preview',
service_id=service_id,
template_id=template_id,
version=template['version'],
filetype='png',
)
)
for template in service_api_client.get_service_template_versions(service_id, template_id)['data']
]
)
def get_last_use_message(template_name, template_statistics):
try:
most_recent_use = max(
parse(template_stats['updated_at']).replace(tzinfo=None)
for template_stats in template_statistics
)
except ValueError:
return '{} has never been used'.format(template_name)
return '{} was last used {} ago'.format(
template_name,
get_human_readable_delta(most_recent_use, datetime.utcnow())
)
def get_human_readable_delta(from_time, until_time):
delta = until_time - from_time
if delta < timedelta(seconds=60):
return 'under a minute'
elif delta < timedelta(hours=1):
minutes = int(delta.seconds / 60)
return '{} minute{}'.format(minutes, '' if minutes == 1 else 's')
elif delta < timedelta(days=1):
hours = int(delta.seconds / 3600)
return '{} hour{}'.format(hours, '' if hours == 1 else 's')
else:
days = delta.days
return '{} day{}'.format(days, '' if days == 1 else 's')
def should_show_template(template_type):
return (
template_type != 'letter' or
'letter' in current_service['permissions']
)