[ckan-dev] Solr/CKAN - Multi-valued theme - facet

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hi ian,

do you have a plugin.py with an concret example for me?

thanx in advance ;-)
armin

2016-11-18 14:24 GMT+01:00 Ian Ward <ian at excess.org>:

> We've built our facets on the front end by overriding the facet_list
> template to build its labels from the choices in our scheming field.
>
> You should add your facets as Stéphane mentioned, then you can override
> your facet_list.html temple to get the choice values and labels from your
> schema.  We use the Scheming helpers h.scheming_get_preset or
> h.scheming_get_dataset_schema to get the field corresponding to the facet
> then h.scheming_field_choices to get the list labels to populate the facets.
>
> Hope this helps.
>
>
> On Fri, Nov 18, 2016 at 6:59 AM, Armin Retterath <
> armin.retterath at gmail.com> wrote:
>
>> hi,
>>
>> i think i've done the first thing ;-) (build the extension and activated
>> in production.ini). now i need a description to show the new facet (of the
>> solr index) in the ckan frontend - i don't find the doc where this is
>> described :-( . do i need to build a further extension?
>>
>> thanx in advance
>>
>> armin
>>
>> 2016-11-17 17:32 GMT+01:00 Stéphane Lapointe <lapointes at ogsl.ca>:
>>
>>> Hi,
>>>
>>> you can add it in your plugin.py. Be sure to implement
>>> IPackageController.
>>>
>>> class YourPlugin(plugins.SingletonPlugin):
>>>     plugins.implements(plugins.IPackageController, inherit=True)
>>>
>>>
>>> Good luck
>>>
>>> Le 2016-11-17 à 11:29, Armin Retterath a écrit :
>>>
>>> hello together,
>>>
>>> where i should insert the before_index function, if i don't have a DataGCCAPackageController
>>> class like it is in the canadian extension??? Which class should be
>>> modified instead?
>>>
>>> thanx in advance,
>>> armin
>>>
>>> 2016-11-05 19:51 GMT+01:00 Ian Ward <ian at excess.org>:
>>>
>>>> Hello Stéphane,
>>>>
>>>> One feature missing from Scheming is the ability to adjust the solr
>>>> schema to match the extra metadata fields defined. This is because the solr
>>>> schema that CKAN uses is static. I CKAN moves to solr's managed schema in
>>>> the future so we can dynamically declare multi-valued fields and have them
>>>> "just work" with Scheming fields.
>>>>
>>>> For now you'll need to modify the schema for each of the multi-valued
>>>> fields you're saving, e.g.
>>>> https://github.com/open-data/ckanext-canada/blob/master/conf
>>>> /solr/schema.xml#L151
>>>>
>>>> And you'll need to define a before_index method that passes the
>>>> multi-valued field as a list to solr, e.g. https://github.com/open-d
>>>> ata/ckanext-canada/blob/master/ckanext/canada/plugins.py#L370
>>>>
>>>> Hope this helps.
>>>>
>>>> On Thu, Nov 3, 2016 at 7:10 PM, Stéphane Lapointe <lapointes at ogsl.ca>
>>>> wrote:
>>>>
>>>>> Hi,
>>>>>
>>>>> To translate our CKAN instance, we're using
>>>>> ckanext-scheming/ckanext-fluent plugins.
>>>>>
>>>>> We wanted to add a theming concept to our web site so we declared a
>>>>> dataset.json schema which contains
>>>>>
>>>>>         {
>>>>>           "field_name": "theme",
>>>>>           "preset": "multiple_checkbox",
>>>>>           "label": {
>>>>>             "fr": "Thème",
>>>>>             "en": "Theme"
>>>>>           },
>>>>>           "choices": [
>>>>>             {
>>>>>               "value": "biodiversity",
>>>>>               "label": {
>>>>>                 "fr": "Biodiversité",
>>>>>                 "en": "Biodiversity"
>>>>>               }
>>>>>             },
>>>>>             {
>>>>>               "value": "marine_conditions",
>>>>>               "label": {
>>>>>                 "fr": "Conditions maritimes",
>>>>>                 "en": "Marine conditions"
>>>>>               }
>>>>>             }
>>>>>           ]
>>>>>         },
>>>>> We can add and save dataset with multiple theme, so we're assuming
>>>>> this part is set correctly. But, we're having problem adding a facet theme.
>>>>>
>>>>>
>>>>> After some debugging, we've found that the Solr's response is quite
>>>>> strange. Here's what we've added in the Solr schema.xml:
>>>>>
>>>>>     <field name="theme" type="text" indexed="true" stored="true"
>>>>> multiValued="true"/>
>>>>>
>>>>>
>>>>> When we make a facet query to Solr, this is the response
>>>>>
>>>>> (...)
>>>>>
>>>>>     "extras_theme":"[\"*biodiversity*\", \"*marine_conditions*\"]",
>>>>>
>>>>> (we observe that this is not normal multiValued like we see with tags
>>>>> field. It probably should be: "biodiversity, marine_conditions"... We don't
>>>>> know if it's plugins' fault. Apparently, the side-effect is that something
>>>>> went wrong with parsing)
>>>>>
>>>>> (...)
>>>>>
>>>>>       "facet_counts":{
>>>>>         "facet_queries":{},
>>>>>         "facet_fields":{
>>>>>           "theme":*[*
>>>>> *            "biodivers",1,*
>>>>> *            "condit",1,*
>>>>> *            "marin",1,*
>>>>> *            "marinecondit",1]*},
>>>>>         "facet_ranges":{},
>>>>>         "facet_intervals":{},
>>>>>         "facet_heatmaps":{}}}
>>>>>
>>>>>
>>>>> Our question: How can we define a parser/analyzer to obtain a response
>>>>> like that:
>>>>>
>>>>>       "facet_counts":{
>>>>>         "facet_queries":{},
>>>>>         "facet_fields":{
>>>>>           "theme":*[*
>>>>> *             "biodiversity",1,*
>>>>> *             "marine_condition",1]*},
>>>>>         "facet_ranges":{},
>>>>>         "facet_intervals":{},
>>>>>         "facet_heatmaps":{}}}
>>>>>
>>>>>
>>>>> Thank you very much.
>>>>>
>>>>>
>>>>>
>>>>>
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