diaspora/diaspora

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app/services/post_service.rb

Summary

Maintainability
A
25 mins
Test Coverage

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

  def find_public!(id_or_guid)
    Post.where(post_key(id_or_guid) => id_or_guid).first.tap do |post|
      raise ActiveRecord::RecordNotFound, "could not find a post with id #{id_or_guid}" unless post
      raise Diaspora::NonPublic unless post.public?
    end
Severity: Minor
Found in app/services/post_service.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 find_by instead of dynamic find_by_substring.
Open

    Person
      .allowed_to_be_mentioned_in_a_comment_to(post)
      .where.not(id: user.person_id)
      .find_by_substring(query)
Severity: Minor
Found in app/services/post_service.rb by rubocop

This cop checks dynamic find_by_* methods. Use find_by instead of dynamic method. See. https://github.com/bbatsov/rails-style-guide#find_by

Example:

# bad
User.find_by_name(name)

# bad
User.find_by_name_and_email(name)

# bad
User.find_by_email!(name)

# good
User.find_by(name: name)

# good
User.find_by(name: name, email: email)

# good
User.find_by!(email: email)

Use find_by instead of dynamic find_by_id_and_public.
Open

      Post.find_by_id_and_public(id, true)
Severity: Minor
Found in app/services/post_service.rb by rubocop

This cop checks dynamic find_by_* methods. Use find_by instead of dynamic method. See. https://github.com/bbatsov/rails-style-guide#find_by

Example:

# bad
User.find_by_name(name)

# bad
User.find_by_name_and_email(name)

# bad
User.find_by_email!(name)

# good
User.find_by(name: name)

# good
User.find_by(name: name, email: email)

# good
User.find_by!(email: email)

Avoid using update_all because it skips validations.
Open

      .update_all(unread: false)
Severity: Minor
Found in app/services/post_service.rb by rubocop

This cop checks for the use of methods which skip validations which are listed in http://guides.rubyonrails.org/active_record_validations.html#skipping-validations

Example:

# bad
Article.first.decrement!(:view_count)
DiscussionBoard.decrement_counter(:post_count, 5)
Article.first.increment!(:view_count)
DiscussionBoard.increment_counter(:post_count, 5)
person.toggle :active
product.touch
Billing.update_all("category = 'authorized', author = 'David'")
user.update_attribute(website: 'example.com')
user.update_columns(last_request_at: Time.current)
Post.update_counters 5, comment_count: -1, action_count: 1

# good
user.update_attributes(website: 'example.com')
FileUtils.touch('file')

Avoid using update_all because it skips validations.
Open

                .update_all(unread: false) if mention_ids.any?
Severity: Minor
Found in app/services/post_service.rb by rubocop

This cop checks for the use of methods which skip validations which are listed in http://guides.rubyonrails.org/active_record_validations.html#skipping-validations

Example:

# bad
Article.first.decrement!(:view_count)
DiscussionBoard.decrement_counter(:post_count, 5)
Article.first.increment!(:view_count)
DiscussionBoard.increment_counter(:post_count, 5)
person.toggle :active
product.touch
Billing.update_all("category = 'authorized', author = 'David'")
user.update_attribute(website: 'example.com')
user.update_columns(last_request_at: Time.current)
Post.update_counters 5, comment_count: -1, action_count: 1

# good
user.update_attributes(website: 'example.com')
FileUtils.touch('file')

Favor a normal if-statement over a modifier clause in a multiline statement.
Open

    Notification.where(recipient_id: user.id, target_type: "Mention", target_id: mention_ids, unread: true)
                .update_all(unread: false) if mention_ids.any?
Severity: Minor
Found in app/services/post_service.rb by rubocop

Checks for uses of if/unless modifiers with multiple-lines bodies.

Example:

# bad
{
  result: 'this should not happen'
} unless cond

# good
{ result: 'ok' } if cond

Align .update_all with .where on line 70.
Open

      .update_all(unread: false)
Severity: Minor
Found in app/services/post_service.rb by rubocop

This cop checks the indentation of the method name part in method calls that span more than one line.

Example: EnforcedStyle: aligned

# bad
while myvariable
.b
  # do something
end

# good
while myvariable
      .b
  # do something
end

# good
Thing.a
     .b
     .c

Example: EnforcedStyle: indented

# good
while myvariable
  .b

  # do something
end

Example: EnforcedStyle: indentedrelativeto_receiver

# good
while myvariable
        .a
        .b

  # do something
end

# good
myvariable = Thing
               .a
               .b
               .c

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