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A basic metadata editor for Rails applications based on hydra-head.

hydra-editor was a Core Component of the Samvera Community. Given a decline in available labor required for maintenance, this project no longer has a dedicated Product Owner. The documentation for what this means can be found here.

Vacant

Until a Product Owner has been identified, we ask that you please direct all requests for support, bug reports, and general questions to the #dev Channel on the Samvera Slack.

The Samvera community is here to help. Please see our support guide.

To use add to your gemfile:

gem 'hydra-editor'

Then run:

bundle install

Next generate the bootstrap form layouts:

rails generate simple_form:install --bootstrap

And to config/routes.rb add:

  mount HydraEditor::Engine => '/'

(Note: You do not have to mount the engine if you do not intend to use the engine's default routes.)

In your initialization set HydraEditor.models

# config/initializers/hydra_editor.rb
HydraEditor.models = ["RecordedAudio", "PdfModel"]

You can customize the names of your fields/models by adding to your translation file:

# config/locales/en.yml
en:
  hydra_editor:
    form:
      model_label:
        PdfModel: "PDF"
        RecordedAudio: "audio"

  simple_form:
    labels:
      image:
        dateCreated: "Date Created"
        sub_location: "Holding Sub-location"

Create a form object for each of your models.

# app/forms/recorded_audio_form.rb
class RecordedAudioForm
  include HydraEditor::Form
  self.model_class = RecordedAudio
  self.terms = [] # Terms to be edited
  self.required_fields = [] # Required fields
end

Add the javascript by adding this line to your app/assets/javascript/application.js:

//= require hydra-editor/hydra-editor

Add the stylesheets by adding this line to your app/assets/stylesheets/application.css:

 *= require hydra-editor/hydra-editor

(Note: The Javascript includes require Blacklight and must be put after that.)

• SimpleForm is supported from release 3.2.0 onwards
• #to_model now returns self (previously it was the value of @model):

    class MyForm
      include HydraEditor::Form
      self.model_class = MyModel
      self.terms = [:title, :creator]
      # [...]
    end
    # [...]
    some_work = MyModel.new(title: ['Black holes: The Reith Lectures.'], creator: 'S.W. Hawking')
    some_form = MyForm.new(some_work)
    # [...]
    some_form.to_model
    # => #<MyForm:0x00007fd5b2fd1468 @attributes={"id"=>nil, "title"=>["Black holes: The Reith Lectures."], "creator"=>"S.W. Hawking"}, @model=#<MyModel id: nil, title: ["Black holes: The Reith Lectures."], creator: "S.W. Hawking">>

• When a form field for a single value is empty, it now returns a nil value (as opposed to an empty String):

    class MyForm
      include HydraEditor::Form
      self.model_class = MyModel
      self.terms = [:title, :creator]
      # [...]
    end
  
    # [...]
    values = MyForm.model_attributes(
      title: ['On the distribution of values of angles determined by coplanar points.'],
      creator: ''
    )
    values['creator']
    # => nil

By default hydra-editor provides a RecordsController with :new, :create, :edit, and :update actions implemented in the included RecordsControllerBehavior module, and a RecordsHelper module with methods implemented in RecordsHelperBehavior. If you are mounting the engine and using its routes, you can override the controller behaviors by creating your own RecordsController:

class RecordsController < ApplicationController
  include RecordsControllerBehavior

  # You custom code
end

If you are not mounting the engine or using its default routes, you can include RecordsControllerBehavior in your own controller and add the appropriate routes to your app's config/routes.rb.

1. bundle install
2. Increase the version number in lib/hydra_editor/version.rb
3. Increase the same version number in .github_changelog_generator
4. Update CHANGELOG.md by running this command:

github_changelog_generator --user samvera --project hydra-editor --token YOUR_GITHUB_TOKEN_HERE

5. Commit these changes to the main branch

6. Run rake release

This software has been developed by and is brought to you by the Samvera community. Learn more at the Samvera website.