feat: add unified search queries with fuzzy matching

Add comprehensive search queries supporting both fuzzy and exact matching:

1. SearchMediaItemsUnified - Main search query with:
   - Fuzzy matching on author, series, genre, language filters
   - Fuzzy search on title, author, series, tags, contributors
   - Exact matching with quotes (is_exact_search flag)
   - Year range and boolean filters
   - Relevance-based ordering using word_similarity scores

2. Field-specific autocomplete queries:
   - SearchAuthorValues, SearchGenreValues, SearchSeriesValues, SearchLanguageValues
   - Each returns distinct values with counts and similarity scores
   - Threshold of 0.3 for word_similarity filter
   - Ordered by relevance (score DESC, count DESC)

Note: Using 4 separate field value queries instead of 1 complex query
due to sqlc v1.30.0 limitation with CASE expressions in GROUP BY clauses.
This commit is contained in:
2026-03-22 20:35:04 -04:00
parent 7b49ab253f
commit 26c81c8793
+135
View File
@@ -458,6 +458,141 @@ WHERE COALESCE(lv.is_visible, true) = true
mi.title ASC mi.title ASC
LIMIT sqlc.narg('limit') OFFSET sqlc.narg('offset'); LIMIT sqlc.narg('limit') OFFSET sqlc.narg('offset');
-- name: SearchMediaItemsUnified :many
SELECT mi.*, l.name as library_name, lt.name as library_type_name
FROM media_items mi
JOIN libraries l ON mi.library_id = l.id
JOIN library_types lt ON l.library_type_id = lt.id
LEFT JOIN library_visibility lv ON l.id = lv.library_id AND lv.user_id = sqlc.narg('user_id')
WHERE COALESCE(lv.is_visible, true) = true
AND mi.library_id = sqlc.narg('library_id')
-- Fuzzy author filter
AND (sqlc.narg('author_filter') = '' OR word_similarity(sqlc.narg('author_filter'), COALESCE(mi.author, '')) > 0.3)
-- Fuzzy series filter
AND (sqlc.narg('series_filter') = '' OR word_similarity(sqlc.narg('series_filter'), COALESCE(mi.series, '')) > 0.3)
-- Fuzzy genre filter
AND (sqlc.narg('genre_filter') = '' OR word_similarity(sqlc.narg('genre_filter'), COALESCE(mi.genre, '')) > 0.3)
-- Fuzzy language filter
AND (sqlc.narg('language_filter') = '' OR word_similarity(sqlc.narg('language_filter'), COALESCE(mi.language, '')) > 0.3)
-- Year range (exact)
AND (sqlc.narg('year_min') = 0 OR mi.copyright_year >= sqlc.narg('year_min'))
AND (sqlc.narg('year_max') = 0 OR mi.copyright_year <= sqlc.narg('year_max'))
-- Boolean (exact)
AND (sqlc.narg('has_cover') = false OR mi.cover_image_path IS NOT NULL)
-- Search query (fuzzy or exact based on quotes)
AND (
sqlc.narg('search_query') = '' OR
-- Fuzzy search (default)
sqlc.narg('is_exact_search') = false AND (
word_similarity(sqlc.narg('search_query'), mi.title) > 0.3 OR
word_similarity(sqlc.narg('search_query'), COALESCE(mi.author, '')) > 0.3 OR
word_similarity(sqlc.narg('search_query'), COALESCE(mi.series, '')) > 0.3 OR
EXISTS (
SELECT 1 FROM unnest(mi.tags_search) AS tag
WHERE word_similarity(sqlc.narg('search_query'), tag) > 0.3
LIMIT 1
) OR
EXISTS (
SELECT 1 FROM unnest(mi.contributors_search) AS contributor
WHERE word_similarity(sqlc.narg('search_query'), contributor) > 0.3
LIMIT 1
)
) OR
-- Exact search (with quotes)
sqlc.narg('is_exact_search') = true AND (
mi.title ILIKE sqlc.narg('search_pattern') OR
mi.author ILIKE sqlc.narg('search_pattern') OR
mi.series ILIKE sqlc.narg('search_pattern') OR
sqlc.narg('search_pattern') = ANY(mi.tags_search) OR
sqlc.narg('search_pattern') = ANY(mi.contributors_search)
)
)
ORDER BY
CASE
WHEN sqlc.narg('search_query') != '' THEN
GREATEST(
CASE WHEN sqlc.narg('is_exact_search') = false THEN
word_similarity(sqlc.narg('search_query'), mi.title)
ELSE 0 END,
CASE WHEN sqlc.narg('is_exact_search') = false THEN
word_similarity(sqlc.narg('search_query'), COALESCE(mi.author, ''))
ELSE 0 END,
word_similarity(sqlc.narg('author_filter'), COALESCE(mi.author, '')),
word_similarity(sqlc.narg('genre_filter'), COALESCE(mi.genre, ''))
)
ELSE 0
END DESC,
mi.title ASC
LIMIT sqlc.narg('limit') OFFSET sqlc.narg('offset');
-- name: SearchAuthorValues :many
SELECT
mi.author as value,
COUNT(*) as count,
word_similarity(sqlc.narg('search_query'), COALESCE(mi.author, ''))::float8 as score
FROM media_items mi
JOIN libraries l ON mi.library_id = l.id
LEFT JOIN library_visibility lv ON l.id = lv.library_id AND lv.user_id = sqlc.narg('user_id')
WHERE COALESCE(lv.is_visible, true) = true
AND mi.library_id = sqlc.narg('library_id')
AND word_similarity(sqlc.narg('search_query'), COALESCE(mi.author, '')) > 0.3
AND mi.author IS NOT NULL
AND mi.author != ''
GROUP BY mi.author, word_similarity(sqlc.narg('search_query'), COALESCE(mi.author, ''))::float8
ORDER BY score DESC, count DESC
LIMIT sqlc.narg('limit') OFFSET sqlc.narg('offset');
-- name: SearchGenreValues :many
SELECT
mi.genre as value,
COUNT(*) as count,
word_similarity(sqlc.narg('search_query'), COALESCE(mi.genre, ''))::float8 as score
FROM media_items mi
JOIN libraries l ON mi.library_id = l.id
LEFT JOIN library_visibility lv ON l.id = lv.library_id AND lv.user_id = sqlc.narg('user_id')
WHERE COALESCE(lv.is_visible, true) = true
AND mi.library_id = sqlc.narg('library_id')
AND word_similarity(sqlc.narg('search_query'), COALESCE(mi.genre, '')) > 0.3
AND mi.genre IS NOT NULL
AND mi.genre != ''
GROUP BY mi.genre, word_similarity(sqlc.narg('search_query'), COALESCE(mi.genre, ''))::float8
ORDER BY score DESC, count DESC
LIMIT sqlc.narg('limit') OFFSET sqlc.narg('offset');
-- name: SearchSeriesValues :many
SELECT
mi.series as value,
COUNT(*) as count,
word_similarity(sqlc.narg('search_query'), COALESCE(mi.series, ''))::float8 as score
FROM media_items mi
JOIN libraries l ON mi.library_id = l.id
LEFT JOIN library_visibility lv ON l.id = lv.library_id AND lv.user_id = sqlc.narg('user_id')
WHERE COALESCE(lv.is_visible, true) = true
AND mi.library_id = sqlc.narg('library_id')
AND word_similarity(sqlc.narg('search_query'), COALESCE(mi.series, '')) > 0.3
AND mi.series IS NOT NULL
AND mi.series != ''
GROUP BY mi.series, word_similarity(sqlc.narg('search_query'), COALESCE(mi.series, ''))::float8
ORDER BY score DESC, count DESC
LIMIT sqlc.narg('limit') OFFSET sqlc.narg('offset');
-- name: SearchLanguageValues :many
SELECT
mi.language as value,
COUNT(*) as count,
word_similarity(sqlc.narg('search_query'), COALESCE(mi.language, ''))::float8 as score
FROM media_items mi
JOIN libraries l ON mi.library_id = l.id
LEFT JOIN library_visibility lv ON l.id = lv.library_id AND lv.user_id = sqlc.narg('user_id')
WHERE COALESCE(lv.is_visible, true) = true
AND mi.library_id = sqlc.narg('library_id')
AND word_similarity(sqlc.narg('search_query'), COALESCE(mi.language, '')) > 0.3
AND mi.language IS NOT NULL
AND mi.language != ''
GROUP BY mi.language, word_similarity(sqlc.narg('search_query'), COALESCE(mi.language, ''))::float8
ORDER BY score DESC, count DESC
LIMIT sqlc.narg('limit') OFFSET sqlc.narg('offset');
-- Media Notes queries -- Media Notes queries
-- name: CreateMediaNote :one -- name: CreateMediaNote :one
INSERT INTO media_notes (media_item_id, user_id, content, position) INSERT INTO media_notes (media_item_id, user_id, content, position)