lib/importers/internal/voting_base.rb

Summary

Maintainability
B
5 hrs
Test Coverage

Method import! has a Cognitive Complexity of 25 (exceeds 5 allowed). Consider refactoring.
Open

    def import!(parsed)
      return unless parsed[:date].present? && parsed[:email].present? && parsed[:company].present?

      date = parsed[:date].is_a?(String) ? Chronic.parse(parsed[:date]) : parsed[:date]
      return unless date.present?
Severity: Minor
Found in lib/importers/internal/voting_base.rb - About 3 hrs 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

Method has too many lines. [46/30]
Open

    def import!(parsed)
      return unless parsed[:date].present? && parsed[:email].present? && parsed[:company].present?

      date = parsed[:date].is_a?(String) ? Chronic.parse(parsed[:date]) : parsed[:date]
      return unless date.present?

This cop checks if the length of a method exceeds some maximum value. Comment lines can optionally be ignored. The maximum allowed length is configurable.

Cyclomatic complexity for import! is too high. [20/6]
Open

    def import!(parsed)
      return unless parsed[:date].present? && parsed[:email].present? && parsed[:company].present?

      date = parsed[:date].is_a?(String) ? Chronic.parse(parsed[:date]) : parsed[:date]
      return unless date.present?

This cop checks that the cyclomatic complexity of methods is not higher than the configured maximum. The cyclomatic complexity is the number of linearly independent paths through a method. The algorithm counts decision points and adds one.

An if statement (or unless or ?:) increases the complexity by one. An else branch does not, since it doesn't add a decision point. The && operator (or keyword and) can be converted to a nested if statement, and ||/or is shorthand for a sequence of ifs, so they also add one. Loops can be said to have an exit condition, so they add one.

Method import! has 46 lines of code (exceeds 25 allowed). Consider refactoring.
Open

    def import!(parsed)
      return unless parsed[:date].present? && parsed[:email].present? && parsed[:company].present?

      date = parsed[:date].is_a?(String) ? Chronic.parse(parsed[:date]) : parsed[:date]
      return unless date.present?
Severity: Minor
Found in lib/importers/internal/voting_base.rb - About 1 hr to fix

Shadowing outer local variable - user.
Open

      user = User.where(username: username).first_or_create! do |user|

This cop looks for use of the same name as outer local variables for block arguments or block local variables. This is a mimic of the warning "shadowing outer local variable - foo" from ruby -cw.

Example:

# bad

def some_method
  foo = 1

  2.times do |foo| # shadowing outer `foo`
    do_something(foo)
  end
end

Example:

# good

def some_method
  foo = 1

  2.times do |bar|
    do_something(bar)
  end
end

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