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This commit is contained in:
Alexander Karpov 2024-12-05 16:36:50 +03:00
parent 600c903a68
commit f4ca7db696
3 changed files with 44 additions and 99 deletions
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29
akarpov/music/api/serializers.py
View File

@ -88,8 +88,12 @@ def get_liked(self, obj):
@extend_schema_field(ListAlbumSerializer)
def get_album(self, obj):
if obj.album:
return ListAlbumSerializer(Album.objects.cache().get(id=obj.album_id)).data
if obj.album_id:
try:
album = Album.objects.cache().get(id=obj.album_id)
return ListAlbumSerializer(album).data
except Album.DoesNotExist:
return None
return None
@extend_schema_field(ListAuthorSerializer(many=True))
@ -105,16 +109,17 @@ def get_image(self, obj):
img = None
if obj.image_cropped:
img = obj.image_cropped
else:
album = Album.objects.cache().get(id=obj.album_id)
if album.image_cropped:
img = album.image_cropped
else:
authors = Author.objects.cache().filter(
Q(songs__id=obj.id) & ~Q(image="")
)
if authors:
img = authors.first().image_cropped
elif obj.album_id:
try:
album = Album.objects.cache().get(id=obj.album_id)
if album.image_cropped:
img = album.image_cropped
except Album.DoesNotExist:
pass
if not img:
authors = Author.objects.cache().filter(Q(songs__id=obj.id) & ~Q(image=""))
if authors.exists():
img = authors.first().image_cropped
if img:
return self.context["request"].build_absolute_uri(img.url)
return None

9
akarpov/music/documents.py
View File

@ -48,7 +48,7 @@ class SongDocument(Document):
attr="name",
fields={
"raw": fields.KeywordField(),
"exact": fields.KeywordField(normalizer="lowercase"),
"exact": fields.KeywordField(normalizer="lowercase_normalizer"),
},
)
name_transliterated = fields.TextField(
@ -67,6 +67,13 @@ class Index:
settings = {
"number_of_shards": 1,
"number_of_replicas": 0,
"normalizer": {
"lowercase_normalizer": {
"type": "custom",
"char_filter": [],
"filter": ["lowercase"],
}
},
"analysis": {
"filter": {
"my_transliterator": {

105
akarpov/music/services/search.py
View File

@ -8,97 +8,30 @@
def search_song(query):
# Split query into potential track and artist parts
parts = [part.strip() for part in query.split("-")]
track_query = parts[0]
artist_query = parts[1] if len(parts) > 1 else None
search = SongDocument.search()
# Base queries for track name with high boost
should_queries = [
ES_Q("match_phrase", name={"query": track_query, "boost": 10}),
ES_Q("match", name={"query": track_query, "fuzziness": "AUTO", "boost": 8}),
ES_Q("wildcard", name={"value": f"*{track_query.lower()}*", "boost": 6}),
ES_Q(
"match",
name_transliterated={"query": track_query, "fuzziness": "AUTO", "boost": 5},
),
]
# Add artist-specific queries if artist part exists
if artist_query:
should_queries.extend(
[
ES_Q(
"nested",
path="authors",
query=ES_Q(
"match_phrase", name={"query": artist_query, "boost": 4}
),
),
ES_Q(
"nested",
path="authors",
query=ES_Q(
"match",
name={"query": artist_query, "fuzziness": "AUTO", "boost": 3},
),
),
ES_Q(
"nested",
path="authors",
query=ES_Q(
"wildcard",
name={"value": f"*{artist_query.lower()}*", "boost": 2},
),
),
]
)
else:
# If no explicit artist, still search in authors but with lower boost
should_queries.extend(
[
ES_Q(
"nested",
path="authors",
query=ES_Q("match_phrase", name={"query": track_query, "boost": 2}),
),
ES_Q(
"nested",
path="authors",
query=ES_Q(
"match",
name={"query": track_query, "fuzziness": "AUTO", "boost": 1},
),
),
]
)
# Add album queries with lower boost
should_queries.extend(
[
ES_Q(
"nested",
path="album",
query=ES_Q("match_phrase", name={"query": track_query, "boost": 1.5}),
),
ES_Q(
"nested",
path="album",
query=ES_Q(
"match",
name={"query": track_query, "fuzziness": "AUTO", "boost": 1},
),
),
]
# Build a multi_match query that searches in song name, authors' names, and album names
multi_match_query = ES_Q(
"multi_match",
query=query,
fields=[
"name^5",
"name.raw^10",
"name.exact^15",
"authors.name^4",
"authors.name.raw^8",
"authors.name.exact^12",
"album.name^3",
"album.name.raw^6",
"album.name.exact^9",
],
fuzziness="AUTO",
operator="and",
type="best_fields",
)
# Combine all queries with minimum_should_match=1
search_query = ES_Q("bool", should=should_queries, minimum_should_match=1)
# Execute search with size limit
search = search.query(search_query).extra(size=20)
search = search.query(multi_match_query).extra(size=20)
response = search.execute()
if response.hits: