Make taggit tags searchable

[Ronnie Stevens]

In a project taggit has been enabled on some contenttypes. The tags appear as content. But I want the page to be found if the tag is inserted in the searchbox. I cannot find any documentation how to index the taggit tags.

[Matthew Westcott]

Hi Ronnie,

Adding the following entry to your model's search_fields should do it:

index.RelatedFields('tags', [
index.SearchField('name', partial_match=True, boost=10),
]),

(Note that you'll probably need to be running the Elasticsearch search backend for this to work - see http://docs.wagtail.io/en/v1.6.2/topics/search/backends.html)

Cheers,
- Matt

[Ronnie Stevens]

Hi Matthew, this doesn't seem to work.. No error either. Bit of a django-newbie, learning every day. 

Any suggestions?

[Matthew Westcott]

Sorry, should have mentioned - you'll need to run
./manage.py update_index
after adding that line.

Cheers,
- Matt

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[Ronnie Stevens]

I did that alright, and I am using ElasticSearch. I see the Model is being re-indexed. 

Perhaps a naming-convention I am not seeing?

This is the relevant code:

from modelcluster.fields import ParentalKey

from modelcluster.contrib.taggit import ClusterTaggableManager

from taggit.models import TaggedItemBase

class CasePageTag(TaggedItemBase):

    content_object = ParentalKey('case', related_name='tagged_items')

class Case(Page):

    tags = ClusterTaggableManager(through=CasePageTag, blank=True)

    

    subtitle = models.CharField(max_length=260, help_text="homepage title")

    description = RichTextField(blank=True)

    search_fields = Page.search_fields + [

            index.SearchField('subtitle'),

            index.SearchField('description'),

            index.RelatedFields('tags', [

                index.SearchField('name', partial_match=True, boost=10),

            ]),

        ]

[Martin Sandström]

Hi! 

I'm bringing this thread back to life again, I'm experiencing the same thing with elasticsearch2, wagtail 1.7 and taggit with a through model. 

My models:

class ArticleTag(TaggedItemBase):
    content_object = ParentalKey('article.Article',
                                 related_name='tagged_items')


class Article(Page):
    ...
    tags = ClusterTaggableManager(through=ArticleTag, blank=True)

I tried a few different index approaches, some raised issues on indexing, while some created the key in elastic but with null as a value.

1.

index.RelatedFields('tagged_items__tag', [
    index.SearchField('name'),
])

>>>> raise FieldDoesNotExist('%s has no field named %r' % (self.object_name, field_name))

django.core.exceptions.FieldDoesNotExist: Article has no field named u'tagged_items__tag'

2.

index.RelatedFields('tagged_items', [
    index.SearchField('tag__name'),
])

>>>> AttributeError: 'NoneType' object has no attribute '_meta'

3.

index.RelatedFields('tagged_items', [
    index.RelatedFields('tag', [
        index.SearchField('name'),
        index.SearchField('slug'),
    ])
])

>>>> No error, but elastic indexes null

>>>> "article_article__tagged_items": null,

4.

index.SearchField('tagged_items__tag__name'),

>>>> AttributeError: 'NoneType' object has no attribute '_meta'

5. 

With the method def "get_tag_name" on the through model.

index.RelatedFields('tagged_items', [
    index.SearchField('get_tag_name')
])

>>>> "article_article__tagged_items": null,

6.

index.RelatedFields('tags', [
    index.SearchField('name'),
    index.SearchField('slug'),
])

>>>> AttributeError: 'NoneType' object has no attribute '_meta'

My question is that has this type of indexing ever worked in the first place, and if so, what am I doing wrong?

Thanks!
/ Martin

[Miguel Vieira]

Hi,

This works for me to search within tags:

search_fields = Page.search_fields + [

    index.RelatedFields('tags', [
                        index.SearchField('name'),

                        ]),
]

It didn't work for me initially because I was using the incorrect version of elasticsearch-py. Could that be the same problem you are having?

Regards,

Miguel

[Martin Sandström]

Hi Miguel!

Thanks for your reply. I updated elasticsearch to 2.4.0 and that solved my issue and tags got indexed:

"article_article__tags": [
{
    "name": "tag1",
    "slug": "tag1"
}
,
{
    "name": "tag2",
    "slug": "tag2"
}
]

/ M

[Ajith P Mohan]

Hi Matthew,

I am wagtail newbie. I have also facing the same issue. I am using wagtail default  search as search back-end. Is it necessary to use Elasticsearch as search back-end. Any thoughts ?

[Matthew Westcott]

Hi Ajith,
As I mentioned, it probably won't work on the default database search backend - that one only has limited functionality. By all means give it a try, though...

Since my original message, there's now another alternative which may well be more convenient if you're using PostgreSQL - you can use the PostgreSQL search backend: http://docs.wagtail.io/en/v2.0.1/reference/contrib/postgres_search.html

Cheers,
- Matt

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