Class: JSAdmin::Resource

Inherits:
Object
  • Object
show all
Defined in:
lib/js_admin/resource.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(model_class) ⇒ Resource

Returns a new instance of Resource.



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# File 'lib/js_admin/resource.rb', line 5

def initialize(model_class)
  @model_class = model_class
end

Instance Attribute Details

#model_class ⇒ Object (readonly)

Returns the value of attribute model_class.



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# File 'lib/js_admin/resource.rb', line 3

def model_class
  @model_class
end

Instance Method Details

#count ⇒ Object 



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# File 'lib/js_admin/resource.rb', line 49

def count
  model_class.count
end

#display_name(record) ⇒ Object 



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# File 'lib/js_admin/resource.rb', line 61

def display_name(record)
  display_method = JSAdmin.configuration.display_name_methods.find do |method_name|
    record.respond_to?(method_name) && record.public_send(method_name).present?
  end

  return record.public_send(display_method).to_s if display_method

  "#{singular_label} ##{record.id}"
end

#editable_fields ⇒ Object 



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# File 'lib/js_admin/resource.rb', line 29

def editable_fields
  fields.select(&:editable?)
end

#fields ⇒ Object 



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# File 'lib/js_admin/resource.rb', line 25

def fields
  @fields ||= model_class.columns.map { |column| Field.new(self, column) }
end

#find(record_id) ⇒ Object 



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# File 'lib/js_admin/resource.rb', line 53

def find(record_id)
  model_class.find(record_id)
end

#label ⇒ Object 



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# File 'lib/js_admin/resource.rb', line 13

def label
  model_class.model_name.human(count: 2)
end

#list_fields ⇒ Object 



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# File 'lib/js_admin/resource.rb', line 33

def list_fields
  visible_fields = fields.reject(&:timestamp?)
  id_field = visible_fields.find(&:primary_key?)
  selected_fields = visible_fields.reject(&:primary_key?).first(6)

  [ id_field, *selected_fields ].compact
end

#model_id ⇒ Object 



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# File 'lib/js_admin/resource.rb', line 9

def model_id
  model_class.name.underscore.tr("/", "--")
end

#new_record(attributes = {}) ⇒ Object 



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# File 'lib/js_admin/resource.rb', line 57

def new_record(attributes = {})
  model_class.new(attributes)
end

#next_page?(page) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/js_admin/resource.rb', line 71

def next_page?(page)
  count > page.to_i * JSAdmin.configuration.records_per_page
end

#param_key ⇒ Object 



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# File 'lib/js_admin/resource.rb', line 21

def param_key
  model_class.model_name.param_key
end

#previous_page?(page) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/js_admin/resource.rb', line 75

def previous_page?(page)
  page.to_i > 1
end

#records(page:) ⇒ Object 



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# File 'lib/js_admin/resource.rb', line 41

def records(page:)
  page_number = [ page.to_i, 1 ].max
  model_class.all
    .then { |scope| ordered_scope(scope) }
    .limit(JSAdmin.configuration.records_per_page)
    .offset((page_number - 1) * JSAdmin.configuration.records_per_page)
end

#singular_label ⇒ Object 



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# File 'lib/js_admin/resource.rb', line 17

def singular_label
  model_class.model_name.human
end