1 #

     2 # Copyright (c) 2008-2018 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 import math

    16 

    17 from zope.interface import implementer

    18 from zope.schema.fieldproperty import FieldProperty

    19 

    20 from pyams_content.features.search import ISearchFolder

    21 from pyams_content.features.search.portlet.interfaces import ISearchResultsPortletSettings

    22 from pyams_content.shared.view.interfaces import RELEVANCE_ORDER

    23 from pyams_portal.portlet import Portlet, PortletSettings, portlet_config

    24 from pyams_utils.factory import factory_config

    25 from pyams_utils.interfaces import VIEW_PERMISSION

    26 from pyams_utils.request import check_request

    27 from pyams_utils.traversing import get_parent

    28 

    29 from pyams_content import _

    30 

    31 

    32 SEARCH_RESULTS_PORTLET_NAME = 'pyams_content.portlet.search.results'

    33 

    34 

    35 @implementer(ISearchResultsPortletSettings)

    36 @factory_config(provided=ISearchResultsPortletSettings)

    37 class SearchResultsPortletSettings(PortletSettings):

    38     """Search results portlet settings"""

    39 

    40     title = FieldProperty(ISearchResultsPortletSettings['title'])

    41 

    42     @staticmethod

    43     def get_items(request=None, limit=None, ignore_cache=False):

    44         context = get_parent(request.context, ISearchFolder)

    45         if context is None:

    46             raise StopIteration

    47         if request is None:

    48             request = check_request()

    49         params = request.params

    50         sort_index = params.get('order_by', RELEVANCE_ORDER)

    51         yield from context.get_results(context, sort_index,

    52                                        reverse=sort_index != RELEVANCE_ORDER,

    53                                        limit=limit,

    54                                        start=int(params.get('start', 0)),

    55                                        length=int(params.get('length', 10)),

    56                                        ignore_cache=ignore_cache,

    57                                        get_count=True)

    58 

    59     @staticmethod

    60     def get_pages(request, count):

    61         params = request.params

    62         start = int(params.get('start', 0)) + 1

    63         length = int(params.get('length', 10))

    64         current = math.ceil(start / length)

    65         nb_pages = math.ceil(count / length)

    66         return current, nb_pages

    67 

    68 

    69 @portlet_config(permission=VIEW_PERMISSION)

    70 class SearchResultsPortlet(Portlet):

    71     """Search results portlet"""

    72 

    73     name = SEARCH_RESULTS_PORTLET_NAME

    74     label = _("Search results")

    75 

    76     toolbar_css_class = 'fa fa-fw fa-2x fa-search-plus'

    77 

    78     settings_factory = ISearchResultsPortletSettings