ManageIQ/manageiq

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app/models/miq_report/generator/html.rb

Summary

Maintainability
D
1 day
Test Coverage

Method build_html_rows has a Cognitive Complexity of 55 (exceeds 11 allowed). Consider refactoring.
Open

  def build_html_rows(clickable_rows = false)
    time_zone = get_time_zone(Time.zone)
    html_rows = []
    group_counter = 0
    row = 0
Severity: Minor
Found in app/models/miq_report/generator/html.rb - About 7 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 build_group_html_rows has a Cognitive Complexity of 44 (exceeds 11 allowed). Consider refactoring.
Open

  def build_group_html_rows(group, col_count, label = nil, group_text = nil)
    in_a_widget = self.rpt_options[:in_a_widget] || false

    html_rows = []

Severity: Minor
Found in app/models/miq_report/generator/html.rb - About 5 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

Cyclomatic complexity for build_html_rows is too high. [29/11]
Open

  def build_html_rows(clickable_rows = false)
    time_zone = get_time_zone(Time.zone)
    html_rows = []
    group_counter = 0
    row = 0

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.

Cyclomatic complexity for build_group_html_rows is too high. [20/11]
Open

  def build_group_html_rows(group, col_count, label = nil, group_text = nil)
    in_a_widget = self.rpt_options[:in_a_widget] || false

    html_rows = []

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.

Avoid more than 3 levels of block nesting.
Open

                :format => self.col_formats[c_idx] ? self.col_formats[c_idx] : :_default_

This cop checks for excessive nesting of conditional and looping constructs.

You can configure if blocks are considered using the CountBlocks option. When set to false (the default) blocks are not counted towards the nesting level. Set to true to count blocks as well.

The maximum level of nesting allowed is configurable.

Avoid more than 3 levels of block nesting.
Open

            unless group_limit && group_counter >= group_limit  # If not past the limit
              html_rows += build_group_html_rows(save_val, col_order.length, break_label, group_text)
              group_counter += 1
            end

This cop checks for excessive nesting of conditional and looping constructs.

You can configure if blocks are considered using the CountBlocks option. When set to false (the default) blocks are not counted towards the nesting level. Set to true to count blocks as well.

The maximum level of nesting allowed is configurable.

Use == if you meant to do a comparison or wrap the expression in parentheses to indicate you meant to assign in a condition.
Open

        if clickable_rows && onclick = build_row_onclick(d.data)

This cop checks for assignments in the conditions of if/while/until.

Example:

# bad

if some_var = true
  do_something
end

Example:

# good

if some_var == true
  do_something
end

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