rhodecode.controllers.search

    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~

    Search controller for RhodeCode

    :created_on: Aug 7, 2010

    :author: marcink

    :copyright: (C) 2010-2012 Marcin Kuzminski <marcin@python-works.com>

    :license: GPLv3, see COPYING for more details.

"""

# This program is free software: you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation, either version 3 of the License, or

# (at your option) any later version.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program.  If not, see <http://www.gnu.org/licenses/>.

import logging

import traceback

from pylons.i18n.translation import _

from pylons import request, config, tmpl_context as c

from rhodecode.lib.auth import LoginRequired

from rhodecode.lib.base import BaseController, render

from rhodecode.lib.indexers import CHGSETS_SCHEMA, SCHEMA, CHGSET_IDX_NAME, \

    IDX_NAME, WhooshResultWrapper

from webhelpers.paginate import Page

from webhelpers.util import update_params

from whoosh.index import open_dir, EmptyIndexError

from whoosh.qparser import QueryParser, QueryParserError

from whoosh.query import Phrase, Wildcard, Term, Prefix

from rhodecode.model.repo import RepoModel

from rhodecode.lib.utils2 import safe_str, safe_int

log = logging.getLogger(__name__)

class SearchController(BaseController):

    @LoginRequired()

    def __before__(self):

        super(SearchController, self).__before__()

    def index(self, search_repo=None):

        c.repo_name = search_repo

        c.formated_results = []

        c.runtime = ''

        c.cur_query = request.GET.get('q', None)

        c.cur_type = request.GET.get('type', 'content')

        c.cur_search = search_type = {'content': 'content',

                                      'commit': 'message',

                                      'path': 'path',

                                      'repository': 'repository'

                                      }.get(c.cur_type, 'content')

        index_name = {

            'content': IDX_NAME,

            'commit': CHGSET_IDX_NAME,

                    cur_query = u'repository:%s %s' % (c.repo_name, cur_query)

                try:

                    query = qp.parse(unicode(cur_query))

                    # extract words for highlight

                    if isinstance(query, Phrase):

                        highlight_items.update(query.words)

                    elif isinstance(query, Prefix):

                        highlight_items.add(query.text)

                    else:

                        for i in query.all_terms():

                            if i[0] in ['content', 'message']:

                                highlight_items.add(i[1])

                    matcher = query.matcher(searcher)

                    log.debug('query: %s' % query)

                    log.debug('hl terms: %s' % highlight_items)

                    results = searcher.search(query)

                    res_ln = len(results)

                    c.runtime = '%s results (%.3f seconds)' % (

                        res_ln, results.runtime

                    )

                    def url_generator(**kw):

                        return update_params("?q=%s&type=%s" \

                    repo_location = RepoModel().repos_path

                    c.formated_results = Page(

                        WhooshResultWrapper(search_type, searcher, matcher,

                                            highlight_items, repo_location),

                        page=p,

                        item_count=res_ln,

                        items_per_page=10,

                        url=url_generator

                    )

                except QueryParserError:

                    c.runtime = _('Invalid search query. Try quoting it.')

                searcher.close()

            except (EmptyIndexError, IOError):

                log.error(traceback.format_exc())

                log.error('Empty Index data')

                c.runtime = _('There is no index to search in. '

                              'Please run whoosh indexer')

            except (Exception):

                log.error(traceback.format_exc())

                c.runtime = _('An error occurred during this search operation')

        # Return a rendered template

        return render('/search/search.html')