273 lines
10 KiB
Crystal
273 lines
10 KiB
Crystal
require "uri"
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require "base64"
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include CrystalGauntlet
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# things might break if you modify this
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levels_per_page = 10
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CrystalGauntlet.endpoints["/getGJLevels21.php"] = ->(context : HTTP::Server::Context): String {
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params = URI::Params.parse(context.request.body.not_nil!.gets_to_end)
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LOG.debug { params.inspect }
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can_see_unlisted = false
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# where [...]
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queryParams = [] of String
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# order by [...]
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order = "levels.created_at desc"
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# joins go here
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joins = [] of String
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page_offset = (params["page"]? || "0").to_i * levels_per_page
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searchQuery = params["str"]? || ""
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if !searchQuery.blank? && params["type"] != "5" && params["type"] != "10" && params["type"] != "19"
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if searchQuery.to_i?
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# we do this to get rid of the initial "unlisted = 0" bit
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can_see_unlisted = true
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queryParams << "levels.id = #{searchQuery.to_i}"
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else
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# no sql injections to see here; clean_char only leaves A-Za-z0-9 intact
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# todo: make this configurable w/ fuzzy search
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queryParams << "levels.name like \"#{Clean.clean_char(searchQuery)}%\""
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end
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end
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# filters
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if params["featured"]? == "1"
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queryParams << "featured = 1"
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end
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if params["original"]? == "1"
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queryParams << "original is null"
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end
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if params["coins"]? == "1"
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queryParams << "rated_coins = 1 and levels.coins != 0"
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end
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if params["epic"]? == "1"
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queryParams << "epic = 1"
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end
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if params["uncompleted"]? == "1"
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# todo
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# $completedLevels = ExploitPatch::numbercolon($_POST["completedLevels"]);
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# $params[] = "NOT levelID IN ($completedLevels)";
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end
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if params["onlyCompleted"]? == "1"
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# todo
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# $completedLevels = ExploitPatch::numbercolon($_POST["completedLevels"]);
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# $params[] = "levelID IN ($completedLevels)";
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end
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if params["song"]?
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if params["customSong"]? && !params["customSong"].blank?
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queryParams << "song_id = '#{params["customSong"].to_i}'"
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else
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queryParams << "song_id = '#{params["song"].to_i}'"
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end
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end
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if params["twoPlayer"]? == "1"
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queryParams << "two_player = 1"
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end
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if params["star"]? == "1"
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queryParams << "levels.stars is not null"
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end
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if params["noStar"]? == "1"
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queryParams << "levels.stars is null"
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end
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if params["gauntlet"]?
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order = "gauntlet_links.idx asc"
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joins << "left join gauntlet_links on gauntlet_links.level_id = levels.id"
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queryParams << "gauntlet_id = #{params["gauntlet"].to_i}"
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end
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if params["len"]?
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# todo
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end
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if params["diff"]? && params["diff"]? != "-"
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case params["diff"]?
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when "-1"
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queryParams << "difficulty is null and community_difficulty is null" # NA
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when "-2"
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case params["demonFilter"]?
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when "1"
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queryParams << "demon_difficulty = #{DemonDifficulty::Easy.value}"
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when "2"
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queryParams << "demon_difficulty = #{DemonDifficulty::Medium.value}"
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when "3"
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queryParams << "demon_difficulty = #{DemonDifficulty::Hard.value}"
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when "4"
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queryParams << "demon_difficulty = #{DemonDifficulty::Insane.value}"
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when "5"
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queryParams << "demon_difficulty = #{DemonDifficulty::Extreme.value}"
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end
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queryParams << "difficulty = #{LevelDifficulty::Demon.value} or (difficulty is null and community_difficulty = #{LevelDifficulty::Demon.value})"
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when "-3"
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queryParams << "difficulty = #{LevelDifficulty::Auto.value} or (difficulty is null and community_difficulty = #{LevelDifficulty::Auto.value})"
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else
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# easy, normal, hard, harder, insane
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diffs = params["diff"].split(",").map{ |v| v.to_i }.join(",")
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queryParams << "difficulty in (#{diffs}) or (difficulty is null and community_difficulty in (#{diffs}))"
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end
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end
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# level search type
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case params["type"]?
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when "0", "15", nil # default sort (gdw is 15)
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order = "likes desc"
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when "1" # most downloaded
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order = "downloads desc"
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when "2" # most liked
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order = "likes desc"
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when "3" # trending
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# todo: make configurable?
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order = "likes desc"
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queryParams << "levels.created_at > \"#{(Time.utc - 7.days).to_s(Format::TIME_FORMAT)}\""
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when "5" # made by user
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if params["local"]? == "1"
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user_id, account_id = Accounts.auth(params)
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if !(user_id && account_id)
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return "-1"
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end
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if user_id == searchQuery.to_i
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can_see_unlisted = true
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queryParams << "levels.user_id = #{searchQuery.to_i}"
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else
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return "-1"
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end
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else
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queryParams << "levels.user_id = #{searchQuery.to_i}" # (you can't sql inject with numbers)
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end
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when "6", "17" # featured (gdw is 17)
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# todo: order by feature date
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queryParams << "featured = 1"
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when "16" # hall of fame (epic)
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# todo: order by epic date
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queryParams << "epic = 1"
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when "7" # magic
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# todo: make configurable?
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queryParams << "objects > 4000"
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when "10", "19" # map packs
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order = "map_pack_links.idx asc"
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queryParams << "levels.id in (#{searchQuery.split(",").map{|v| v.to_i}.join(",")})"
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joins << "left join map_pack_links on map_pack_links.level_id = levels.id"
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when "11" # rated
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# todo: order by rate date
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queryParams << "levels.stars is not null"
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when "12" # followed
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# todo
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when "13" # friends
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# todo
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when "21" # daily
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order = "daily_levels.idx desc"
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joins << "join daily_levels on levels.id = daily_levels.level_id"
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when "22" # weekly
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order = "weekly_levels.idx desc"
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joins << "join weekly_levels on levels.id = weekly_levels.level_id"
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when "23" # event (unused)
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# todo..?
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end
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if !can_see_unlisted
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queryParams << "unlisted = 0"
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end
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where_str = "where (#{queryParams.join(") and (")})"
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# todo: switch join users to left join to avoid losing levels to the shadow realm after a user vanishes
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query_base = "from levels join users on levels.user_id = users.id #{joins.join(" ")} #{where_str} order by #{order}"
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LOG.debug { "query: #{query_base}" }
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level_count = DATABASE.scalar("select count(*) #{query_base}").as(Int64)
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results = [] of String
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users = [] of String
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songs = [] of String
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hash_data = [] of Tuple(Int32, Int32, Bool)
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# fucking help
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DATABASE.query_all("select levels.id, levels.name, levels.user_id, levels.description, levels.original, levels.game_version, levels.requested_stars, levels.version, levels.song_id, levels.length, levels.objects, levels.coins, levels.has_ldm, levels.two_player, levels.downloads, levels.likes, levels.difficulty, levels.community_difficulty, levels.demon_difficulty, levels.stars, levels.featured, levels.epic, levels.rated_coins, users.username, users.udid, users.account_id, users.registered, editor_time, editor_time_copies #{query_base} limit #{levels_per_page} offset #{page_offset}", as: {Int32, String, Int32, String, Int32 | Nil, Int32, Int32 | Nil, Int32, Int32, Int32, Int32, Int32, Bool, Bool, Int32, Int32, Int32 | Nil, Int32 | Nil, Int32 | Nil, Int32 | Nil, Bool, Bool, Bool, String, String | Nil, Int32 | Nil, Bool, Int32, Int32}).each() do |id, name, user_id, description, original, game_version, requested_stars, version, song_id, length, objects, coins, has_ldm, two_player, downloads, likes, set_difficulty_int, community_difficulty_int, demon_difficulty_int, stars, featured, epic, rated_coins, user_username, user_udid, user_account_id, user_registered, editor_time, editor_time_copies|
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set_difficulty = set_difficulty_int && LevelDifficulty.new(set_difficulty_int)
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community_difficulty = community_difficulty_int && LevelDifficulty.new(community_difficulty_int)
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difficulty = set_difficulty || community_difficulty
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demon_difficulty = demon_difficulty_int && DemonDifficulty.new(demon_difficulty_int)
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# https://github.com/Cvolton/GMDprivateServer/blob/master/incl/levels/getGJLevels.php#L266
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results << Format.fmt_hash({
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1 => id,
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2 => name,
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3 => Base64.urlsafe_encode(description),
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5 => version,
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6 => user_id,
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# this is suppoused to be the amount of people who have
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# voted on a level, but this is unused by the game, so
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# we just always tell the game 10 people have voted
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8 => 10,
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# 0=N/A 10=EASY 20=NORMAL 30=HARD 40=HARDER 50=INSANE 50=AUTO 50=DEMON
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# divided by above value, which is why its multiplied by 10
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9 => (difficulty ? difficulty.to_star_difficulty : 0).not_nil! * 10,
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10 => downloads,
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12 => !Songs.is_custom_song(song_id) ? song_id : 0,
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13 => game_version,
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# likes - dislikes
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14 => likes,
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# dislikes - likes
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16 => -likes,
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15 => length,
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17 => difficulty && difficulty.demon?,
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18 => stars || 0,
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19 => featured,
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# 0 for n/a, 10 for easy, 20, for medium, ...
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25 => difficulty && difficulty.auto?,
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30 => original || 0,
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31 => two_player,
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35 => Songs.is_custom_song(song_id) ? song_id : 0,
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37 => coins,
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38 => rated_coins,
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39 => requested_stars || 0,
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40 => has_ldm,
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42 => epic,
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43 => (demon_difficulty || DemonDifficulty::Hard).to_demon_difficulty,
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# is in gauntlet
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# todo
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44 => false,
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45 => objects,
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46 => editor_time,
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47 => editor_time_copies
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})
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users << "#{user_id}:#{user_username}:#{user_registered ? user_account_id : user_udid}"
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if Songs.is_custom_song(song_id)
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begin
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song = Songs.fetch_song(song_id, false)
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rescue
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else
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if song != nil
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song_name, song_author_id, song_author_name, song_size, song_download = song.not_nil!
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songs << Format.fmt_song({
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1 => song_id,
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2 => song_name,
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3 => song_author_id,
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4 => song_author_name,
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5 => (song_size || 0) / (1000 * 1000),
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6 => "",
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10 => song_download || "",
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7 => "",
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8 => "1"
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})
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end
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end
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end
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hash_data << {id, stars || 0, rated_coins}
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end
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# `${amount}:${offset}:${levelsPerPage}`
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searchMeta = "#{level_count}:#{page_offset}:#{levels_per_page}"
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res = [results.join("|"), users.join("|"), songs.join("~:~"), searchMeta, CrystalGauntlet::Hashes.gen_multi(hash_data)].join("#")
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res
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}
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