121 lines
3.4 KiB
Ruby
121 lines
3.4 KiB
Ruby
module JamRuby
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class JamTrackSearch < BaseSearch
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cattr_accessor :jschema, :search_meta
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attr_accessor :user_counters
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KEY_SEARCH_STR = 'search_str'
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KEY_RESULT_TYPES = 'result_types'
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KEY_SONGS = 'songs'
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KEY_ARTISTS = 'artists'
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KEY_RESULTS = 'results'
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def self.json_schema
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return @@jschema if @@jschema
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@@jschema = {
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KEY_SEARCH_STR => '',
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KEY_INSTRUMENTS => [],
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KEY_GENRES => [],
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KEY_RESULT_TYPES => [],
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KEY_SONGS => {
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'page_num' => 0,
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'page_count' => 0,
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},
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KEY_ARTISTS => {
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'page_num' => 0,
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'page_count' => 0,
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},
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KEY_RESULTS => {
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KEY_SONGS => [],
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KEY_ARTISTS => [],
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}
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}
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end
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def self.search_target_class
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JamTrack
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end
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def do_search(filter)
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rel = JamTrack.unscoped
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unless (vals=filter[KEY_GENRES]).blank?
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sqlstr = "'#{vals.join("','")}'"
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# sqlstr = ActiveRecord::Base.connection.quote("'#{vals.join("','")}'")
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rel = rel.joins(:genres_jam_tracks)
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rel = rel.where("genres_jam_tracks.genre_id IN (#{sqlstr})")
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end
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unless (vals=filter[KEY_INSTRUMENTS]).blank?
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sqlstr = "'#{vals.join("','")}'"
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# sqlstr = ActiveRecord::Base.connection.quote("'#{vals.join("','")}'")
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rel = rel.joins(:jam_track_tracks)
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rel = rel.where("jam_track_tracks.instrument_id IN (#{sqlstr})")
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rel = rel.where("jam_track_tracks.track_type != 'Master'")
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end
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rel
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end
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SONGS_PER_PAGE = 20
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ARTISTS_PER_PAGE = 20
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def search_results_page(filter=nil)
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result_types = filter[KEY_RESULT_TYPES]
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has_songs, has_artists = result_types.index(KEY_SONGS), result_types.index(KEY_ARTISTS)
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filter[KEY_RESULTS] = {}
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if has_songs
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rel = do_search(filter)
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unless (val=filter[KEY_SEARCH_STR]).blank?
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tsquery = Search.create_tsquery(val)
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rel = rel.where("(search_tsv @@ to_tsquery('jamenglish', ?))", tsquery) if tsquery
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end
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rel = rel.order(:name).includes(:genres)
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pgnum = [filter[KEY_SONGS]['page_num'].to_i, 1].max
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rel = rel.paginate(:page => pgnum, :per_page => SONGS_PER_PAGE)
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results = rel.all.collect do |jt|
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{
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'id' => jt.id,
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'song_name' => jt.name,
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'artist' => jt.original_artist,
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'genre' => jt.genres.map(&:description).join(', '),
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'year' => ''
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}
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end
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filter[KEY_SONGS] = {
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'page_num' => pgnum,
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'page_count' => rel.total_pages,
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}
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filter[KEY_RESULTS][KEY_SONGS] = results
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end
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if has_artists
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rel = do_search(filter)
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rel = rel.select("DISTINCT ON(jam_tracks.original_artist) jam_tracks.id, jam_tracks.original_artist")
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unless (val=filter[KEY_SEARCH_STR]).blank?
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rel = rel.where("original_artist LIKE ?","%#{val}%")
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end
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rel = rel.order(:original_artist)
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pgnum = [filter[KEY_ARTISTS]['page_num'].to_i, 1].max
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rel = rel.paginate(:page => pgnum, :per_page => ARTISTS_PER_PAGE)
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results = rel.all.collect do |jt|
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{ 'id' => jt.id, 'artist' => jt.original_artist }
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end
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filter[KEY_ARTISTS] = {
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'page_num' => pgnum,
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'page_count' => rel.total_pages,
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}
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filter[KEY_RESULTS][KEY_ARTISTS] = results
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end
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filter
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end
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end
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end
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