# Copyright (c) 2015, Frappe Technologies Pvt. Ltd. and Contributors
# MIT License. See license.txt

from __future__ import unicode_literals
import frappe
from frappe.translate import send_translations

@frappe.whitelist()
def get(name):
	"""
	   Return the :term:`doclist` of the `Page` specified by `name`
	"""
	page = frappe.get_doc('Page', name)
	if page.is_permitted():
		page.load_assets()
		return page
	else:
		frappe.response['403'] = 1
		raise frappe.PermissionError, 'No read permission for Page %s' % \
			(page.title or name)

@frappe.whitelist(allow_guest=True)
def getpage():
	"""
	   Load the page from `frappe.form` and send it via `frappe.response`
	"""
	page = frappe.form_dict.get('name')
	doc = get(page)

	# load translations
	if frappe.lang != "en":
		send_translations(frappe.get_lang_dict("page", page))

	frappe.response.docs.append(doc)

def has_permission(page):
	if frappe.session.user == "Administrator" or "System Manager" in frappe.get_roles():
		return True

	page_roles = [d.role for d in page.get("roles")]
	if page_roles:
		if frappe.session.user == "Guest" and "Guest" not in page_roles:
			return False
		elif not set(page_roles).intersection(set(frappe.get_roles())):
			# check if roles match
			return False

	if not frappe.has_permission("Page", ptype="read", doc=page):
		# check if there are any user_permissions
		return False
	else:
		# hack for home pages! if no page roles, allow everyone to see!
		return True