Class: Lims::Core::Persistence::ComparisonFilter

Inherits:
Filter show all
Includes:
Resource
Defined in:
lib/lims-core/persistence/comparison_filter.rb

Overview

Filter performing a comparison between the resource field’s value and a given value. Key being the name of the resource’s field and the value is a Hash. The key of the hash is a comparison operator and the value is the given value the filter do the comparison against.

“model”: “kit”, “criteria”: {

"comparison": {
    "expires": {
        ">=": "2013-04-24"
    }
}

}

Will look for all kits expires after the given date (“2013-04-24”).

Constant Summary collapse

NOT_IN_ROOT = 
1

Instance Method Summary collapse

Methods included from Resource

included, tracker_included

Methods included from SubclassTracker

extended

Constructor Details

#initialize(criteria) ⇒ ComparisonFilter

For Sequel, keys needs to be a Symbol to be seen as column. String are seen as ‘value’



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# File 'lib/lims-core/persistence/comparison_filter.rb', line 35

def initialize(criteria)
  criteria = { :criteria => criteria } unless criteria.include?(:criteria)
  criteria[:criteria].rekey!{ |k| k.to_sym }
  super(criteria)
end

Instance Method Details

#call(persistor) ⇒ Object 



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# File 'lib/lims-core/persistence/comparison_filter.rb', line 41

def call(persistor)
  persistor.comparison_filter(criteria[:comparison])
end