thoughtbot/paperclip

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lib/paperclip/url_generator.rb

Summary

Maintainability
A
25 mins
Test Coverage

Assignment Branch Condition size for default_url is too high. [15.13/15]
Open

    def default_url
      if attachment_options[:default_url].respond_to?(:call)
        attachment_options[:default_url].call(@attachment)
      elsif attachment_options[:default_url].is_a?(Symbol)
        @attachment.instance.send(attachment_options[:default_url])
Severity: Minor
Found in lib/paperclip/url_generator.rb by rubocop

This cop checks that the ABC size of methods is not higher than the configured maximum. The ABC size is based on assignments, branches (method calls), and conditions. See http://c2.com/cgi/wiki?AbcMetric

Method timestamp_as_needed has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
Open

    def timestamp_as_needed(url, options)
      if options[:timestamp] && timestamp_possible?
        delimiter_char = url.match(/\?.+=/) ? '&' : '?'
        "#{url}#{delimiter_char}#{@attachment.updated_at.to_s}"
      else
Severity: Minor
Found in lib/paperclip/url_generator.rb - About 25 mins to fix

Cognitive Complexity

Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

A method's cognitive complexity is based on a few simple rules:

  • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
  • Code is considered more complex for each "break in the linear flow of the code"
  • Code is considered more complex when "flow breaking structures are nested"

Further reading

Use =~ in places where the MatchData returned by #match will not be used.
Open

        delimiter_char = url.match(/\?.+=/) ? '&' : '?'
Severity: Minor
Found in lib/paperclip/url_generator.rb by rubocop

This cop identifies the use of Regexp#match or String#match, which returns #<MatchData>/nil. The return value of =~ is an integral index/nil and is more performant.

Example:

# bad
do_something if str.match(/regex/)
while regex.match('str')
  do_something
end

# good
method(str =~ /regex/)
return value unless regex =~ 'str'

Space between { and | missing.
Open

        URI.escape(url).gsub(escape_regex){|m| "%#{m.ord.to_s(16).upcase}" }
Severity: Minor
Found in lib/paperclip/url_generator.rb by rubocop

Checks that block braces have or don't have surrounding space inside them on configuration. For blocks taking parameters, it checks that the left brace has or doesn't have trailing space depending on configuration.

Example: EnforcedStyle: space (default)

# The `space` style enforces that block braces have
# surrounding space.

# bad
some_array.each {puts e}

# good
some_array.each { puts e }

Example: EnforcedStyle: no_space

# The `no_space` style enforces that block braces don't
# have surrounding space.

# bad
some_array.each { puts e }

# good
some_array.each {puts e}

Example: EnforcedStyleForEmptyBraces: no_space (default)

# The `no_space` EnforcedStyleForEmptyBraces style enforces that
# block braces don't have a space in between when empty.

# bad
some_array.each {   }
some_array.each {  }
some_array.each { }

# good
some_array.each {}

Example: EnforcedStyleForEmptyBraces: space

# The `space` EnforcedStyleForEmptyBraces style enforces that
# block braces have at least a spece in between when empty.

# bad
some_array.each {}

# good
some_array.each { }
some_array.each {  }
some_array.each {   }

Example: SpaceBeforeBlockParameters: true (default)

# The SpaceBeforeBlockParameters style set to `true` enforces that
# there is a space between `{` and `|`. Overrides `EnforcedStyle`
# if there is a conflict.

# bad
[1, 2, 3].each {|n| n * 2 }

# good
[1, 2, 3].each { |n| n * 2 }

Example: SpaceBeforeBlockParameters: true

# The SpaceBeforeBlockParameters style set to `false` enforces that
# there is no space between `{` and `|`. Overrides `EnforcedStyle`
# if there is a conflict.

# bad
[1, 2, 3].each { |n| n * 2 }

# good
[1, 2, 3].each {|n| n * 2 }

Prefer double-quoted strings unless you need single quotes to avoid extra backslashes for escaping.
Open

require 'uri'
Severity: Minor
Found in lib/paperclip/url_generator.rb by rubocop

Checks if uses of quotes match the configured preference.

Example: EnforcedStyle: single_quotes (default)

# bad
"No special symbols"
"No string interpolation"
"Just text"

# good
'No special symbols'
'No string interpolation'
'Just text'
"Wait! What's #{this}!"

Example: EnforcedStyle: double_quotes

# bad
'Just some text'
'No special chars or interpolation'

# good
"Just some text"
"No special chars or interpolation"
"Every string in #{project} uses double_quotes"

URI.escape method is obsolete and should not be used. Instead, use CGI.escape, URI.encode_www_form or URI.encode_www_form_component depending on your specific use case.
Open

        URI.escape(url).gsub(escape_regex){|m| "%#{m.ord.to_s(16).upcase}" }
Severity: Minor
Found in lib/paperclip/url_generator.rb by rubocop

This cop identifies places where URI.escape can be replaced by CGI.escape, URI.encode_www_form or URI.encode_www_form_component depending on your specific use case. Also this cop identifies places where URI.unescape can be replaced by CGI.unescape, URI.decode_www_form or URI.decode_www_form_component depending on your specific use case.

Example:

# bad
URI.escape('http://example.com')
URI.encode('http://example.com')

# good
CGI.escape('http://example.com')
URI.encode_www_form([['example', 'param'], ['lang', 'en']])
URI.encode_www_form(page: 10, locale: 'en')
URI.encode_www_form_component('http://example.com')

# bad
URI.unescape(enc_uri)
URI.decode(enc_uri)

# good
CGI.unescape(enc_uri)
URI.decode_www_form(enc_uri)
URI.decode_www_form_component(enc_uri)

Prefer double-quoted strings unless you need single quotes to avoid extra backslashes for escaping.
Open

require 'active_support/core_ext/module/delegation'
Severity: Minor
Found in lib/paperclip/url_generator.rb by rubocop

Checks if uses of quotes match the configured preference.

Example: EnforcedStyle: single_quotes (default)

# bad
"No special symbols"
"No string interpolation"
"Just text"

# good
'No special symbols'
'No string interpolation'
'Just text'
"Wait! What's #{this}!"

Example: EnforcedStyle: double_quotes

# bad
'Just some text'
'No special chars or interpolation'

# good
"Just some text"
"No special chars or interpolation"
"Every string in #{project} uses double_quotes"

Prefer double-quoted strings unless you need single quotes to avoid extra backslashes for escaping.
Open

        delimiter_char = url.match(/\?.+=/) ? '&' : '?'
Severity: Minor
Found in lib/paperclip/url_generator.rb by rubocop

Checks if uses of quotes match the configured preference.

Example: EnforcedStyle: single_quotes (default)

# bad
"No special symbols"
"No string interpolation"
"Just text"

# good
'No special symbols'
'No string interpolation'
'Just text'
"Wait! What's #{this}!"

Example: EnforcedStyle: double_quotes

# bad
'Just some text'
'No special chars or interpolation'

# good
"Just some text"
"No special chars or interpolation"
"Every string in #{project} uses double_quotes"

Space missing to the left of {.
Open

        URI.escape(url).gsub(escape_regex){|m| "%#{m.ord.to_s(16).upcase}" }
Severity: Minor
Found in lib/paperclip/url_generator.rb by rubocop

Checks that block braces have or don't have a space before the opening brace depending on configuration.

Example:

# bad
foo.map{ |a|
  a.bar.to_s
}

# good
foo.map { |a|
  a.bar.to_s
}

Redundant use of Object#to_s in interpolation.
Open

        "#{url}#{delimiter_char}#{@attachment.updated_at.to_s}"
Severity: Minor
Found in lib/paperclip/url_generator.rb by rubocop

This cop checks for string conversion in string interpolation, which is redundant.

Example:

# bad

"result is #{something.to_s}"

Example:

# good

"result is #{something}"

Prefer double-quoted strings unless you need single quotes to avoid extra backslashes for escaping.
Open

        delimiter_char = url.match(/\?.+=/) ? '&' : '?'
Severity: Minor
Found in lib/paperclip/url_generator.rb by rubocop

Checks if uses of quotes match the configured preference.

Example: EnforcedStyle: single_quotes (default)

# bad
"No special symbols"
"No string interpolation"
"Just text"

# good
'No special symbols'
'No string interpolation'
'Just text'
"Wait! What's #{this}!"

Example: EnforcedStyle: double_quotes

# bad
'Just some text'
'No special chars or interpolation'

# good
"Just some text"
"No special chars or interpolation"
"Every string in #{project} uses double_quotes"

There are no issues that match your filters.

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