Merge branch 'autocomplete'

ckanext/odsh/controller.py

@@ -15,10 +15,15 @@ from ckan.common import c, request, config
 import hashlib
 import ckan.plugins.toolkit as toolkit
 from ckanext.dcat.controllers import DCATController
+from ckan.lib.search.common import (
+    make_connection, SearchError, SearchQueryError
+)
+import pysolr
 
 abort = base.abort
 log = logging.getLogger(__name__)
 
+
 class OdshRouteController(HomeController):
     def info_page(self):
         h.redirect_to('http://www.schleswig-holstein.de/odpinfo')
@@ -27,6 +32,7 @@ class OdshRouteController(HomeController):
     def not_found(self):
         abort(404)
 
+
 class OdshUserController(UserController):
     def me(self, locale=None):
         if not c.user:
@@ -63,9 +69,11 @@ class OdshUserController(UserController):
             abort(404)
         return super(OdshUserController,self).activity(id, offset)
 
+
 class OdshPackageController(PackageController):
     pass
 
+
 class OdshApiController(ApiController):
     def action(self, logic_function, ver=None):
         try:
@@ -91,11 +99,13 @@ class OdshApiController(ApiController):
         
         return ApiController.action(self, logic_function, ver)
 
+
 class OdshDCATController(DCATController):
     def read_catalog(self, _format):
         matomo.create_matomo_request()
         return DCATController.read_catalog(self,_format)
 
+
 class OdshFeedController(FeedController):
     def custom(self):
         matomo.create_matomo_request()
@@ -153,3 +163,21 @@ class OdshFeedController(FeedController):
                                 feed_guid=_create_atom_id(atom_url),
                                 feed_url=feed_url,
                                 navigation_urls=navigation_urls)
+
+
+class OdshAutocompleteController(ApiController):
+    def autocomplete(self, q):
+        query = {
+            'spellcheck.q': q,
+            'wt': 'json'}
+
+        conn = make_connection(decode_dates=False)
+        log.debug('Suggest query: %r' % query)
+        try:
+            solr_response = conn.search('', search_handler='suggest', **query)
+        except pysolr.SolrError as e:
+            raise SearchError('SOLR returned an error running query: %r Error: %r' %
+                              (query, e))
+
+        suggest = solr_response.raw_response.get('spellcheck')
+        return base.response.body_file.write(str(suggest))

ckanext/odsh/fanstatic/autocomplete.js

+'use strict';
+
+$(function () {
+
+  // Activate search suggestions for the search bar in the header and for the
+  // search bar used in the body.
+  $('.site-search input, .search').autocomplete({
+    delay: 500,
+    html: true,
+    minLength: 2,
+    source: function (request, response) {
+      var url = ckan.SITE_ROOT + '/autocomplete/' + request.term;
+      $.getJSON(url)
+        .done(function (data) {
+          console.log(data);
+          response(data['result']);
+        });
+      }
+  });
+
+})

ckanext/odsh/plugin.py

@@ -76,12 +76,23 @@ def remove_route(map,routename):
                 map._routenames.pop(route.name)
                 break
 
+
 class OdshIcapPlugin(plugins.SingletonPlugin):
     plugins.implements(plugins.IUploader, inherit=True)
 
     def get_resource_uploader(self, data_dict):
         return ODSHResourceUpload(data_dict)
 
+
+class OdshAutocompletePlugin(plugins.SingletonPlugin):
+    plugins.implements(plugins.IRoutes, inherit=True)
+
+    def before_map(self, map):
+        controller = 'ckanext.odsh.controller:OdshAutocompleteController'
+        map.connect('/autocomplete/{q}', controller=controller, action='autocomplete')
+        return map
+
+
 class OdshPlugin(plugins.SingletonPlugin, DefaultTranslation, DefaultDatasetForm):
     plugins.implements(plugins.IConfigurer)
     plugins.implements(plugins.ITemplateHelpers)

ckanext/odsh/public/autocomplete.css

+.ui-autocomplete .ui-menu-item a,
+.ui-autocomplete .ui-menu-item a:active,
+.ui-autocomplete .ui-menu-item a:focus,
+.ui-autocomplete .ui-menu-item a:hover,
+.ui-autocomplete .ui-menu-item a:visited {
+    display: block;
+    text-decoration: none;
+}

ckanext/odsh/templates/base.html

@@ -6,6 +6,8 @@
 <link rel="stylesheet" href="/odsh.css?refresh={{ range(1,10000) | random }}" />
 <link rel="stylesheet" href="/odsh_header.css?refresh={{ range(1,10000) | random }}" />
 <link rel="stylesheet" href="/bootstrap-multiselect.css" />
+<link rel="stylesheet" href="/autocomplete.css" />
+{% resource 'odsh/autocomplete.js' %}
 {% endblock %}
 
 {% block head_extras %}

setup.py

@@ -84,6 +84,7 @@ setup(
         odsh_icap=ckanext.odsh.plugin:OdshIcapPlugin
         statistikamtnord_harvester=ckanext.odsh.harvesters:StatistikamtNordHarvester
         kiel_harvester=ckanext.odsh.harvesters:KielHarvester
+        odsh_autocomplete=ckanext.odsh.plugin:OdshAutocompletePlugin
 
         [paste.paster_command]
         odsh_initialization = ckanext.odsh.commands.initialization:Initialization