schon/core/elasticsearch/documents.py

130 lines
3.7 KiB
Python

from django_elasticsearch_dsl import Document, SearchAsYouTypeField, fields
from django_elasticsearch_dsl.registries import registry
from core.elasticsearch import COMMON_ANALYSIS, ActiveOnlyMixin, _add_multilang_fields
from core.models import Brand, Category, Product
class _BaseDoc(ActiveOnlyMixin, Document):
name = fields.TextField(
attr="name",
analyzer="standard",
fields={
"raw": fields.KeywordField(ignore_above=256, normalizer="lc"),
"sat": SearchAsYouTypeField(max_shingle_size=4),
"ngram": fields.TextField(
analyzer="name_ngram", search_analyzer="query_lc"
),
"phonetic": fields.TextField(analyzer="name_phonetic"),
"auto": fields.TextField(
analyzer="autocomplete", search_analyzer="autocomplete_search"
),
},
)
description = fields.TextField(
attr="description",
analyzer="standard",
fields={
"raw": fields.KeywordField(ignore_above=256),
"ngram": fields.TextField(
analyzer="name_ngram", search_analyzer="query_lc"
),
"phonetic": fields.TextField(analyzer="name_phonetic"),
"auto": fields.TextField(
analyzer="autocomplete", search_analyzer="autocomplete_search"
),
},
)
slug = fields.KeywordField(attr="slug", index=False)
class Index:
settings = {
"number_of_shards": 1,
"number_of_replicas": 0,
"analysis": COMMON_ANALYSIS,
"index": {"max_ngram_diff": 20},
}
def prepare_name(self, instance):
return getattr(instance, "name", "") or ""
def prepare_description(self, instance):
return getattr(instance, "description", "") or ""
class ProductDocument(_BaseDoc):
rating = fields.FloatField(attr="rating")
product_type = fields.KeywordField()
sales_rank = fields.IntegerField()
top_level = fields.KeywordField()
price = fields.FloatField()
def prepare_price(self, obj):
return float(obj.price) if obj.price else 0.0
def prepare_top_level(self, obj):
root = obj.category.get_family().first() if obj.category else None
return root.slug if root else "other"
def prepare_product_type(self, obj):
return obj.category.slug.split("-")[0] if obj.category else "other"
def prepare_sales_rank(self, obj):
return obj.total_orders or 0
class Index(_BaseDoc.Index):
name = "products"
class Django:
model = Product
fields = ["uuid"]
_add_multilang_fields(ProductDocument)
registry.register_document(ProductDocument)
class CategoryDocument(_BaseDoc):
class Index(_BaseDoc.Index):
name = "categories"
class Django:
model = Category
fields = ["uuid"]
_add_multilang_fields(CategoryDocument)
registry.register_document(CategoryDocument)
class BrandDocument(ActiveOnlyMixin, Document):
name = fields.TextField(
attr="name",
analyzer="standard",
fields={
"raw": fields.KeywordField(ignore_above=256),
"ngram": fields.TextField(
analyzer="name_ngram", search_analyzer="query_lc"
),
"phonetic": fields.TextField(analyzer="name_phonetic"),
},
)
class Index:
name = "brands"
settings = {
"number_of_shards": 1,
"number_of_replicas": 0,
"analysis": COMMON_ANALYSIS,
"index": {"max_ngram_diff": 18},
}
class Django:
model = Brand
fields = ["uuid"]
def prepare_name(self, instance):
return getattr(instance, "name", "") or ""
registry.register_document(BrandDocument)