1 #

     2 # Copyright (c) 2008-2019 Thierry Florac <tflorac AT ulthar.net>

     3 # All Rights Reserved.

     4 #

     5 # This software is subject to the provisions of the Zope Public License,

     6 # Version 2.1 (ZPL).  A copy of the ZPL should accompany this distribution.

     7 # THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED

     8 # WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

     9 # WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS

    10 # FOR A PARTICULAR PURPOSE.

    11 #

    12 

    13 __docformat__ = 'restructuredtext'

    14 

    15 from pyramid.exceptions import NotFound

    16 from pyramid.view import view_config

    17 from zope.interface import Interface

    18 

    19 from pyams_content.features.search.interfaces import ISearchManagerInfo

    20 from pyams_content.root import ISiteRoot

    21 from pyams_i18n.interfaces import II18n

    22 from pyams_skin.interfaces.metas import IHTMLContentMetas

    23 from pyams_skin.layer import IPyAMSUserLayer

    24 from pyams_skin.metas import LinkMeta

    25 from pyams_utils.adapter import ContextRequestViewAdapter, adapter_config

    26 from pyams_utils.url import absolute_url

    27 

    28 

    29 @adapter_config(name='opensearch',

    30                 context=(Interface, IPyAMSUserLayer, Interface), provides=IHTMLContentMetas)

    31 class OpenSearchMetasAdapter(ContextRequestViewAdapter):

    32     """OpenSearch metas adapter"""

    33 

    34     def __new__(cls, context, request, view):

    35         search_info = ISearchManagerInfo(request.root, None)

    36         if (search_info is None) or (search_info.target is None):

    37             return None

    38         return ContextRequestViewAdapter.__new__(cls)

    39 

    40     order = 25

    41 

    42     def get_metas(self):

    43         search_info = ISearchManagerInfo(self.request.root, None)

    44         yield LinkMeta('search', 'application/opensearchdescription+xml',

    45                        href=absolute_url(self.request.root, self.request, 'opensearch.xml'),

    46                        title=II18n(search_info).query_attribute('name', request=self.request))

    47 

    48 

    49 @view_config(name='opensearch.xml', context=ISiteRoot, request_type=IPyAMSUserLayer,

    50              renderer='templates/opensearch.pt')

    51 class OpenSearchDescriptionView(object):

    52     """Site root Opensearch description"""

    53 

    54     def __init__(self, request):

    55         self.request = request

    56         self.context = request.context

    57 

    58     def __call__(self):

    59         self.request.response.content_type = 'application/opensearchdescription+xml'

    60         return {}

    61 

    62     @property

    63     def search_info(self):

    64         search_info = ISearchManagerInfo(self.context, None)

    65         if (search_info is None) or (search_info.target is None):

    66             raise NotFound()

    67         return search_info