Class: Textus::Store::Index::Lookup

Inherits:
Object
  • Object
show all
Defined in:
lib/textus/store/index/lookup.rb

Instance Method Summary collapse

Constructor Details

#initialize(store:) ⇒ Lookup

Returns a new instance of Lookup.



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# File 'lib/textus/store/index/lookup.rb', line 9

def initialize(store:)
  @store = store
end

Instance Method Details

#find_by_hash(content_hash) ⇒ Object 



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# File 'lib/textus/store/index/lookup.rb', line 34

def find_by_hash(content_hash)
  return nil if content_hash.to_s.empty?

  find_extra("content_hash", content_hash)
end

#find_by_url(url) ⇒ Object 



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# File 'lib/textus/store/index/lookup.rb', line 40

def find_by_url(url)
  return nil if url.to_s.empty?

  find_extra("url", url)
end

#search(query, lane: nil) ⇒ Object 



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# File 'lib/textus/store/index/lookup.rb', line 13

def search(query, lane: nil)
  return [] if query.to_s.strip.empty?

  clauses = ["entries_fts MATCH ?"]
  params = [query]
  if lane
    clauses << "entries.lane = ?"
    params << lane
  end
  conditions = "WHERE #{clauses.join(" AND ")}"
  @store.execute(
    "SELECT entries.key, entries.lane, entries.format, entries.etag, bm25(entries_fts) AS rank
     FROM entries_fts JOIN entries ON entries_fts.rowid = entries.rowid
   #{conditions}
   ORDER BY rank",
    params,
  )
rescue SQLite3::SQLException
  []
end