[Mime type task] Update mime type solution#3
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Slavunderkind
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mime_type.rb
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| def match_file(filename) | ||
| splitted_fname = filename.split('.') |
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Do not mix abbreviated variable names with full variable names. In Ruby, it's best to always use the full variable names.
mime_type.rb
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| splitted_fname = filename.split('.') | ||
| result = 'UNKNOWN' | ||
| if splitted_fname.size > 1 && filename[-1] != '.' | ||
| result = associations.fetch(splitted_fname.last.downcase, 'UNKNOWN') |
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You can simplify the logic here:
You start with a result of 'UNKNOWN'. You check some condition and if it's true, you use Hash#fetch to either return a result, or provide the same default value of 'UNKNOWN'.
Try refactoring it in a way that would use 'UNKNOWN' only once
mime_type.rb
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| def start | ||
| q.times do | ||
| fname = gets.chomp # One file name per line. |
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Use full variable names
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Training/Easy/mime_type.rb
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| def match_file(filename) | ||
| unknown = 'UNKNOWN' | ||
| splitted_filename = filename.split('.') | ||
| if splitted_filename.size > 1 && filename[-1] != '.' |
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What's currently going to happen if that condition evaluates to false?
Training/Easy/mime_type.rb
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| unknown = 'UNKNOWN' | ||
| splitted_filename = filename.split('.') | ||
| if splitted_filename.size > 1 && filename[-1] != '.' | ||
| result = associations.fetch(splitted_filename.last.downcase, nil) |
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You don't need Hash#fetch here at all - you can use Hash#[] instead
Training/Easy/mime_type.rb
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| if splitted_filename.size > 1 && filename[-1] != '.' | ||
| result = associations.fetch(splitted_filename.last.downcase, nil) | ||
| end | ||
| result = unknown if result.nil? |
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You don't need to check if the result is explicitly nil
Training/Easy/mime_type.rb
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| end | ||
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| def start | ||
| q.times do |
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I know where to find it - I meant its name can be much more descriptive.
A clear indication of that is that you have to write comments to describe what your variables represent. Instead, you can just name them better and the comments won't be necessary
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I understood. This was left from the example code added on the task. I will fix it.
Training/Easy/mime_type.rb
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| def match_file(filename) | ||
| unknown = 'UNKNOWN' | ||
| splitted_filename = filename.split('.') |
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What do you get when you split a filename?
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