Files
notifications-api/app/template/rest.py
2025-05-27 19:40:26 -04:00

231 lines
8.0 KiB
Python

from flask import Blueprint, jsonify, request
from sqlalchemy.orm.exc import NoResultFound
from app import db
from app.dao.services_dao import dao_fetch_service_by_id
from app.dao.template_folder_dao import dao_get_template_folder_by_id_and_service_id
from app.dao.templates_dao import (
dao_create_template,
dao_get_all_templates_for_service,
dao_get_template_by_id_and_service_id,
dao_get_template_versions,
dao_redact_template,
dao_update_template,
)
from app.enums import TemplateType
from app.errors import InvalidRequest, register_errors
from app.models import Template
from app.notifications.validators import check_reply_to, service_has_permission
from app.schema_validation import validate
from app.schemas import (
template_history_schema,
template_schema,
template_schema_no_detail,
)
from app.template.template_schemas import (
post_create_template_schema,
post_update_template_schema,
)
from app.utils import get_public_notify_type_text
from notifications_utils import SMS_CHAR_COUNT_LIMIT
from notifications_utils.template import SMSMessageTemplate
template_blueprint = Blueprint(
"template", __name__, url_prefix="/service/<uuid:service_id>/template"
)
register_errors(template_blueprint)
def _content_count_greater_than_limit(content, template_type):
if template_type == TemplateType.SMS:
template = SMSMessageTemplate(
{"content": content, "template_type": template_type}
)
return template.is_message_too_long()
return False
def validate_parent_folder(template_json):
if template_json.get("parent_folder_id"):
try:
return dao_get_template_folder_by_id_and_service_id(
template_folder_id=template_json.pop("parent_folder_id"),
service_id=template_json["service"],
)
except NoResultFound:
raise InvalidRequest("parent_folder_id not found", status_code=400)
else:
return None
@template_blueprint.route("", methods=["POST"])
def create_template(service_id):
fetched_service = dao_fetch_service_by_id(service_id=service_id)
# permissions needs to be placed here otherwise marshmallow will interfere with versioning
permissions = [p.permission for p in fetched_service.permissions]
template_json = validate(request.get_json(), post_create_template_schema)
folder = validate_parent_folder(template_json=template_json)
new_template = Template.from_json(template_json, folder)
if not service_has_permission(new_template.template_type, permissions):
message = "Creating {} templates is not allowed".format(
get_public_notify_type_text(new_template.template_type)
)
errors = {"template_type": [message]}
raise InvalidRequest(errors, 403)
new_template.service = fetched_service
over_limit = _content_count_greater_than_limit(
new_template.content, new_template.template_type
)
if over_limit:
message = "Content has a character count greater than the limit of {}".format(
SMS_CHAR_COUNT_LIMIT
)
errors = {"content": [message]}
raise InvalidRequest(errors, status_code=400)
check_reply_to(service_id, new_template.reply_to, new_template.template_type)
dao_create_template(new_template)
return jsonify(data=template_schema.dump(new_template)), 201
@template_blueprint.route("/<uuid:template_id>", methods=["POST"])
def update_template(service_id, template_id):
fetched_template = dao_get_template_by_id_and_service_id(
template_id=template_id, service_id=service_id
)
if not service_has_permission(
fetched_template.template_type,
[p.permission for p in fetched_template.service.permissions],
):
message = "Updating {} templates is not allowed".format(
get_public_notify_type_text(fetched_template.template_type)
)
errors = {"template_type": [message]}
raise InvalidRequest(errors, 403)
data = request.get_json()
validate(data, post_update_template_schema)
# if redacting, don't update anything else
if data.get("redact_personalisation") is True:
return redact_template(fetched_template, data)
current_data = dict(template_schema.dump(fetched_template).items())
updated_template = dict(template_schema.dump(fetched_template).items())
updated_template.update(data)
# Check if there is a change to make.
if _template_has_not_changed(current_data, updated_template):
return jsonify(data=updated_template), 200
over_limit = _content_count_greater_than_limit(
updated_template["content"], fetched_template.template_type
)
if over_limit:
message = "Content has a character count greater than the limit of {}".format(
SMS_CHAR_COUNT_LIMIT
)
errors = {"content": [message]}
raise InvalidRequest(errors, status_code=400)
update_dict = template_schema.load(updated_template, session=db.session)
if update_dict.archived:
update_dict.folder = None
dao_update_template(update_dict)
return jsonify(data=template_schema.dump(update_dict)), 200
@template_blueprint.route("", methods=["GET"])
def get_all_templates_for_service(service_id):
templates = dao_get_all_templates_for_service(service_id=service_id)
if str(request.args.get("detailed", True)) == "True":
data = template_schema.dump(templates, many=True)
else:
data = template_schema_no_detail.dump(templates, many=True)
return jsonify(data=data)
@template_blueprint.route("/<uuid:template_id>", methods=["GET"])
def get_template_by_id_and_service_id(service_id, template_id):
fetched_template = dao_get_template_by_id_and_service_id(
template_id=template_id, service_id=service_id
)
data = template_schema.dump(fetched_template)
return jsonify(data=data)
@template_blueprint.route("/<uuid:template_id>/preview", methods=["GET"])
def preview_template_by_id_and_service_id(service_id, template_id):
fetched_template = dao_get_template_by_id_and_service_id(
template_id=template_id, service_id=service_id
)
data = template_schema.dump(fetched_template)
template_object = fetched_template._as_utils_template_with_personalisation(
request.args.to_dict()
)
if template_object.missing_data:
raise InvalidRequest(
{
"template": [
"Missing personalisation: {}".format(
", ".join(template_object.missing_data)
)
]
},
status_code=400,
)
data["subject"] = template_object.subject
data["content"] = template_object.content_with_placeholders_filled_in
return jsonify(data)
@template_blueprint.route("/<uuid:template_id>/version/<int:version>")
def get_template_version(service_id, template_id, version):
data = template_history_schema.dump(
dao_get_template_by_id_and_service_id(
template_id=template_id, service_id=service_id, version=version
)
)
return jsonify(data=data)
@template_blueprint.route("/<uuid:template_id>/versions")
def get_template_versions(service_id, template_id):
data = template_history_schema.dump(
dao_get_template_versions(service_id=service_id, template_id=template_id),
many=True,
)
return jsonify(data=data)
def _template_has_not_changed(current_data, updated_template):
return all(
current_data[key] == updated_template[key]
for key in ("name", "content", "subject", "archived", "process_type")
)
def redact_template(template, data):
# we also don't need to check what was passed in redact_personalisation - its presence in the dict is enough.
if "created_by" not in data:
message = "Field is required"
errors = {"created_by": [message]}
raise InvalidRequest(errors, status_code=400)
# if it's already redacted, then just return 200 straight away.
if not template.redact_personalisation:
dao_redact_template(template, data["created_by"])
return "null", 200