Class DocumentsController
has 24 methods (exceeds 20 allowed). Consider refactoring. Open
class DocumentsController < ApplicationController
before_action :authenticate_user!, except: [:show, :analysis]
# todo Uh, this is a hack. The CSRF token on document editor model to add entities is being rejected... for whatever reason.
skip_before_action :verify_authenticity_token, only: [:link_entity]
Method link_entity
has a Cognitive Complexity of 12 (exceeds 5 allowed). Consider refactoring. Open
def link_entity
# Preconditions lol
unless (Rails.application.config.content_types[:all].map(&:name) + [Timeline.name, Document.name]).include?(linked_entity_params[:entity_type])
raise "Invalid entity type #{linked_entity_params[:entity_type]}"
end
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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 link_entity
has 33 lines of code (exceeds 25 allowed). Consider refactoring. Open
def link_entity
# Preconditions lol
unless (Rails.application.config.content_types[:all].map(&:name) + [Timeline.name, Document.name]).include?(linked_entity_params[:entity_type])
raise "Invalid entity type #{linked_entity_params[:entity_type]}"
end
Method index
has 31 lines of code (exceeds 25 allowed). Consider refactoring. Open
def index
@page_title = "My documents"
@recent_documents = current_user
.linkable_documents.order('updated_at DESC')
.includes([:user, :page_tags, :universe])
Method unlink_entity
has a Cognitive Complexity of 7 (exceeds 5 allowed). Consider refactoring. Open
def unlink_entity
document = Document.find_by(id: params[:id])
return unless document.present?
entity = document.document_entities.find_by(
- Read upRead up
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 update
has a Cognitive Complexity of 7 (exceeds 5 allowed). Consider refactoring. Open
def update
document = Document.with_deleted.find_or_initialize_by(id: params[:id])
unless document.updatable_by?(current_user)
redirect_to(dashboard_path, notice: "You don't have permission to do that!")
- Read upRead up
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 queue_analysis
has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring. Open
def queue_analysis
return redirect_back(fallback_location: documents_path, notice: "That document doesn't exist!") unless @document.present?
return redirect_back(fallback_location: documents_path, notice: "Document analysis is a feature for Premium users.") unless @document.user.on_premium_plan?
return redirect_back(fallback_location: documents_path, notice: "You don't have permission to do that!") unless @document.user == current_user
- Read upRead up
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
Similar blocks of code found in 2 locations. Consider refactoring. Open
if params.key?(:tag)
@filtered_page_tags = @page_tags.where(slug: params[:tag])
@documents = @documents.to_a.select { |document| @filtered_page_tags.pluck(:page_id).include?(document.id) }
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Duplicated Code
Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:
Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.
When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).
Tuning
This issue has a mass of 25.
We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.
The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.
If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.
See codeclimate-duplication
's documentation for more information about tuning the mass threshold in your .codeclimate.yml
.
Refactorings
- Extract Method
- Extract Class
- Form Template Method
- Introduce Null Object
- Pull Up Method
- Pull Up Field
- Substitute Algorithm
Further Reading
- Don't Repeat Yourself on the C2 Wiki
- Duplicated Code on SourceMaking
- Refactoring: Improving the Design of Existing Code by Martin Fowler. Duplicated Code, p76