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Add remaining endpoints for PDFs and PNGs

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Right now we can show what a letter template looks like as a PDF or PNG.

This commit completes the work so this is also possible when:

- showing a template with the placeholders replaced
- showing any version of a template

Also removes dependency on `Exception().message`, which was deprecated
in Python 2.6. See
97f82d565f
for full details.
This commit is contained in:
Chris Hill-Scott
2016-12-20 14:38:34 +00:00
parent a159f351a8
commit 559433c5d2
8 changed files with 214 additions and 33 deletions
Download Patch File Download Diff File Expand all files Collapse all files

66
app/main/views/templates.py
View File

@@ -47,7 +47,8 @@ def view_template(service_id, template_id):
template=get_template(
service_api_client.get_service_template(service_id, template_id)['data'],
current_service,
expand_emails=True
expand_emails=True,
letter_preview_url=url_for('.view_template', service_id=service_id, template_id=template_id)
)
)
@@ -66,7 +67,7 @@ def view_letter_template_as_pdf(service_id, template_id):
@main.route("/services/<service_id>/templates/<template_id>.png")
@login_required
@user_has_permissions('view_activity', admin_override=True)
def view_letter_template_as_image(service_id, template_id):
def view_letter_template_as_png(service_id, template_id):
output = BytesIO()
with Image(
blob=view_letter_template_as_pdf(service_id, template_id).get_data()
@@ -79,9 +80,15 @@ def view_letter_template_as_image(service_id, template_id):
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)['data'],
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',
service_id=service_id,
template_id=template_id,
version=version,
) if not letters_as_pdf else None
))
@@ -103,6 +110,47 @@ def view_template_version(service_id, template_id, version):
)
@main.route("/services/<service_id>/templates/<template_id>/version/<int:version>.pdf")
@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_as_pdf(service_id, template_id, version):
return render_pdf(HTML(string=str(
LetterPreviewTemplate(
service_api_client.get_service_template(service_id, template_id, version=version)['data'],
)
)))
@main.route("/services/<service_id>/templates/<template_id>/version/<int:version>.png")
@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_as_png(service_id, template_id, version):
output = BytesIO()
with Image(
blob=view_template_version_as_pdf(service_id, template_id, version).get_data()
) as image:
with image.convert('png') as converted:
converted.save(file=output)
output.seek(0)
return send_file(output, mimetype='image/png')
@main.route("/services/<service_id>/templates/add-<template_type>", methods=['GET', 'POST'])
@login_required
@user_has_permissions('manage_templates', admin_override=True)
@@ -266,7 +314,17 @@ 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)
get_template(
template,
current_service,
expand_emails=True,
letter_preview_url=url_for(
'.view_template_version',
service_id=service_id,
template_id=template_id,
version=template['version'],
)
)
for template in service_api_client.get_service_template_versions(service_id, template_id)['data']
]
)