Class: ResourceUpdater

Inherits:
Object
  • Object
show all
Defined in:
app/services/resource_updater.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(search, params = {}) ⇒ ResourceUpdater

Returns a new instance of ResourceUpdater.



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# File 'app/services/resource_updater.rb', line 4

def initialize(search, params = {})
  raise "Cannot initialize Resource updater without search" unless search and search.is_a? Search
  @search = search
  @resource_params = params
  reset
end

Instance Attribute Details

#errors ⇒ Object (readonly)

Returns the value of attribute errors.



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# File 'app/services/resource_updater.rb', line 2

def errors
  @errors
end

#search ⇒ Object (readonly)

Returns the value of attribute search.



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# File 'app/services/resource_updater.rb', line 2

def search
  @search
end

Instance Method Details

#add_errors(new_errors) ⇒ Object 



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# File 'app/services/resource_updater.rb', line 54

def add_errors(new_errors)
  @errors ||= []
  @errors += [new_errors].flatten
end

#perform(order_clause = nil) ⇒ Object 



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# File 'app/services/resource_updater.rb', line 11

def perform(order_clause = nil)
  reset
  results = @search.pinned_query
  results = results.order(order_clause) if order_clause
  results.select(&:resource).each do |sr|
    success = true
    resource = sr.resource
    if @resource_params.present?
      resource.assign_attributes @resource_params
    end
    if block_given?
      block_results = yield(resource)
      if block_results.is_a? Hash
        msg = block_results[:ok]
        if msg
          success = true
        else
          success = false
          @errors << block_results[:error] if block_results[:error].present?
        end
      end
    end
    resource.save
    success = record_resource_errors(resource)
    if success
      @updated = @updated + 1
      @successes << resource
      #remove from search results
      sr.delete
    end
  end
  return status
end

#record_resource_errors(resource) ⇒ Object

returns true if record is clean



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# File 'app/services/resource_updater.rb', line 45

def record_resource_errors(resource) #returns true if record is clean
  if resource.errors.present?
    add_errors "#{resource.class.name} id #{resource.id} errors: \n\t#{resource.errors_to_s}"
    return false
  else
    return true
  end
end

#status ⇒ Object 



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# File 'app/services/resource_updater.rb', line 63

def status
  res = {}
  res[:status] = @errors.empty? ? :ok : :error
  res[:message] = "#{@updated} records updated. #{@errors.join('.')}"
  res[:successes] = @successes
  res
end

#updated_count ⇒ Object 



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# File 'app/services/resource_updater.rb', line 59

def updated_count
  @updated
end