Implementação do teste técnico #24
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…ranking (the <WORLD> case). Now world will be ignored.
Killer and weapon made optional.
nandooliveira
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May 4, 2021
nandooliveira
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nandooliveira
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I left some comments, but the biggest problem is the lack of tests.
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| @match.kills | ||
| .joins("INNER JOIN players ON players.id = kills.killer_id OR players.id = kills.killed_id") | ||
| .group("players.id","players.name") | ||
| .order("frag DESC, deaths") | ||
| .pluck( | ||
| "players.name", | ||
| Arel.sql("SUM(CASE players.id WHEN kills.killer_id THEN 1 ELSE 0 END) AS frag"), | ||
| Arel.sql("SUM(CASE players.id WHEN kills.killed_id THEN 1 ELSE 0 END) AS deaths") | ||
| ) |
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Suggested change
| @match.kills | |
| .joins("INNER JOIN players ON players.id = kills.killer_id OR players.id = kills.killed_id") | |
| .group("players.id","players.name") | |
| .order("frag DESC, deaths") | |
| .pluck( | |
| "players.name", | |
| Arel.sql("SUM(CASE players.id WHEN kills.killer_id THEN 1 ELSE 0 END) AS frag"), | |
| Arel.sql("SUM(CASE players.id WHEN kills.killed_id THEN 1 ELSE 0 END) AS deaths") | |
| ) | |
| @match.kills.joins(:killer) | |
| .group('players.id', 'players.name') | |
| .order(frag: :desc, deaths: :asc) | |
| .select('players.name, '\ | |
| 'SUM(CASE players.id WHEN kills.killer_id THEN 1 ELSE | |
| 0 END) AS frag, '\ | |
| 'SUM(CASE players.id WHEN kills.killed_id THEN 1 ELSE 0 END) AS deaths') |
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| def find_or_initialize_player(name:) | ||
| @players[name] ||= Player.find_or_initialize_by(name: name) | ||
| end | ||
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| def find_or_initialize_weapon(name:) | ||
| @weapons[name] ||= Weapon.find_or_initialize_by(name: name) | ||
| end |
| self | ||
| end | ||
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| def create_kill(killed_at:, killer:, killed:, weapon:) |
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Would be good to extract this method to its own service.
| self | ||
| end | ||
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| def create_suicide(killed_at:, killed:) |
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Would be good to extract this method to its own service.
| @@ -0,0 +1,44 @@ | |||
| class Match::Builder | |||
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| def validate_match | ||
| players_qty = players.size | ||
| raise PlayersLimitExceededError, message(players_qty) if players_qty > PLAYERS_LIMIT | ||
| end | ||
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| def players | ||
| (match.kills.map(&:killer) | match.kills.map(&:killed)).compact | ||
| end | ||
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| def message(players_qty) | ||
| "Excedded limit of #{PLAYERS_LIMIT} players per match: #{players_qty} players." | ||
| end |
| end | ||
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| def message(players_qty) | ||
| "Excedded limit of #{PLAYERS_LIMIT} players per match: #{players_qty} players." |
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Suggested change
| "Excedded limit of #{PLAYERS_LIMIT} players per match: #{players_qty} players." | |
| "Exceeded limit of #{PLAYERS_LIMIT} players per match: #{players_qty} players." |
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| def each_match | ||
| @file.each_line do |line| | ||
| next if line.blank? |
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Add a new line after guard clauses.
Suggested change
| next if line.blank? | |
| next if line.blank? | |
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| case captures | ||
| in { started_at: started_at, code: code } => params | ||
| @match_builder = Match::Builder.new | ||
| @match_builder.start_match(**params) | ||
| in { ended_at: ended_at, code: code } => params | ||
| yield @match_builder.end_match(**params).build | ||
| in { killed_at: killed_at, killer: killer, killed: killed, weapon: weapon } => params | ||
| @match_builder.create_kill(**params) | ||
| in { killed_at: killed_at, killed: killed } => params | ||
| @match_builder.create_suicide(**params) | ||
| end |
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This is the second time that I see someone using a case statement in Ruby, and I don't like it.. 😢 hahaha
It is hard to read. I also like to use regular expressions when it is essentially necessary; they are computationally costly.
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| def extract_captures(match) | ||
| captures = match.named_captures | ||
| captures.compact! | ||
| captures.transform_keys!(&:to_sym) | ||
| captures | ||
| end |
luxu
approved these changes
Oct 7, 2022
luxu
approved these changes
Oct 7, 2022
luxu
approved these changes
Oct 7, 2022
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Fiz da maneira mais simples possível. Algumas soluções poderiam ser melhoradas, mas foi o que consegui fazer no tempo proposto.
A implementação do importador do arquivo foi feita usando PORO e depois com serviços, isso consta no histórico dos commits.