Haystack search is not working with autocomplete

Question

I am trying to use django-haystack for search functionality in our product. When user enters a any search keyword(ie 'computer'), it should search for this keyword against multiple fields. Eg when a user enters "Computer" it should find the objects where "Computer" is present in any of the field in that object. But there is a problem. If a user enters only "Comp" into search field, it isn't finding objects at all.

So I have tried to use autocomplete. With autocomplete I was able to achieve this for only one field. For other fields again its failing return result.

I am having haystack with whoosh as backend.

Environment Detail:
Django v1.5.3
Haystack v2.1.0
Whoosh v2.5.3

Following is defined in my search_index.py file.

class Message_Index(indexes.SearchIndex, indexes.Indexable):
    text = indexes.EdgeNgramField(document=True, use_template=True)
    message = indexes.CharField(model_attr='messagetext', null=True)
    forum = indexes.CharField(model_attr='forum', null=True)
    status = indexes.CharField(model_attr='status', null=True)
    tags = indexes.CharField(model_attr='tags', null=True)
    author_name = indexes.EdgeNgramField(null=True)
    author_number = indexes.EdgeNgramField(null=True)
    message_date = indexes.DateTimeField(null=True)

    def get_model(self):
        return Message

    def index_queryset(self, using=None):
        return self.get_model().objects.all()

    def prepare_author_name(self, obj):
        return obj.message.user.name

    def prepare_author_number(self, obj):
        return obj.message.user.number

    def prepare_message_date(self, obj):
        return obj.message.date

    def prepare_tags(self, obj):
        return [tag.tag for tag in obj.tags.all()]

    def prepare_message_thread(self, obj):
        return obj.message.thread

I am trying to search in following way:

when I am trying to search with search_keyword = 'user1', its returning the correct result, but when I am entering search_keyword = '223', its not returning any result.

results_by_name = results.autocomplete(author_name=search_keyword)
results_by_number = results.autocomplete(author_number=search_keyword)

if results_by_name.count() > 0:
    combined_resultsets(results,results_by_name,'message_date')
elif results_by_number.count() > 0:
    combined_resultsets(results,results_by_number,'message_date')

combined_resultsets is function and defined as below:

def combined_resultsets(resultset1, resultset2, sortby):
    if sortby is not None:
        resultset1 = sorted(chain(resultset1, resultset2),key=attrgetter(sortby))
    else:
        resultset1 = chain(resultset1, resultset2)

Could someone help me with this?

Answer 1

please setting your url project to autocomplete method on view.py application root. you can follow documentation haystack on Autocomplete , and please check your template indexes.