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app/controllers/presentations_controller.rb

Summary

Maintainability
C
1 day
Test Coverage

Method create has a Cognitive Complexity of 18 (exceeds 5 allowed). Consider refactoring.
Open

  def create
    if handle_upload_data
      @presentation = Presentation.new(params[:presentation])

      @presentation.policy.set_attributes_with_sharing params[:sharing], @presentation.projects
Severity: Minor
Found in app/controllers/presentations_controller.rb - About 2 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 update has a Cognitive Complexity of 17 (exceeds 5 allowed). Consider refactoring.
Open

  def update
    # remove protected columns (including a "link" to content blob - actual data cannot be updated!)
    if params[:presentation]
      [:contributor_id, :contributor_type, :original_filename, :content_type, :content_blob_id, :created_at, :updated_at, :last_used_at].each do |column_name|
        params[:presentation].delete(column_name)
Severity: Minor
Found in app/controllers/presentations_controller.rb - About 2 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 update has 39 lines of code (exceeds 25 allowed). Consider refactoring.
Open

  def update
    # remove protected columns (including a "link" to content blob - actual data cannot be updated!)
    if params[:presentation]
      [:contributor_id, :contributor_type, :original_filename, :content_type, :content_blob_id, :created_at, :updated_at, :last_used_at].each do |column_name|
        params[:presentation].delete(column_name)
Severity: Minor
Found in app/controllers/presentations_controller.rb - About 1 hr to fix

    Method create has 34 lines of code (exceeds 25 allowed). Consider refactoring.
    Open

      def create
    if handle_upload_data
      @presentation = Presentation.new(params[:presentation])

      @presentation.policy.set_attributes_with_sharing params[:sharing], @presentation.projects
    Severity: Minor
    Found in app/controllers/presentations_controller.rb - About 1 hr to fix

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

        def new_version
    if handle_upload_data
      comments=params[:revision_comment]

      #@presentation.content_blob = ContentBlob.new(:tmp_io_object => @tmp_io_object, :url=>@data_url)
      Severity: Minor
      Found in app/controllers/presentations_controller.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

      Similar blocks of code found in 2 locations. Consider refactoring.
      Open

          respond_to do |format|
      if @presentation.save

        # update attributions
        Relationship.create_or_update_attributions(@presentation, params[:attributions])
      Severity: Major
      Found in app/controllers/presentations_controller.rb and 1 other location - About 2 hrs to fix
      app/controllers/models_controller.rb on lines 428..458

      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 80.

      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

      Further Reading

      Similar blocks of code found in 8 locations. Consider refactoring.
      Open

        def preview

    element = params[:element]
    presentation = Presentation.find_by_id(params[:id])
      Severity: Major
      Found in app/controllers/presentations_controller.rb and 7 other locations - About 35 mins to fix
      app/controllers/assays_controller.rb on lines 249..258
      app/controllers/data_files_controller.rb on lines 342..351
      app/controllers/events_controller.rb on lines 96..105
      app/controllers/models_controller.rb on lines 474..484
      app/controllers/samples_controller.rb on lines 214..224
      app/controllers/sops_controller.rb on lines 189..199
      app/controllers/workflows_controller.rb on lines 171..180

      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 36.

      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

      Further Reading

      Similar blocks of code found in 5 locations. Consider refactoring.
      Open

          if params[:presentation]
      [:contributor_id, :contributor_type, :original_filename, :content_type, :content_blob_id, :created_at, :updated_at, :last_used_at].each do |column_name|
        params[:presentation].delete(column_name)
      end
      Severity: Minor
      Found in app/controllers/presentations_controller.rb and 4 other locations - About 25 mins to fix
      app/controllers/data_files_controller.rb on lines 257..263
      app/controllers/models_controller.rb on lines 407..413
      app/controllers/sops_controller.rb on lines 126..132
      app/controllers/workflows_controller.rb on lines 108..113

      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 29.

      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

      Further Reading

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