Class: Hai::Read

Inherits:
Object
  • Object
show all
Defined in:
lib/hai/read.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(model, context) ⇒ Read

Returns a new instance of Read.



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# File 'lib/hai/read.rb', line 6

def initialize(model, context)
  @model = model
  @context = context
  @context[:model] = model
  @table = model.arel_table
end

Instance Attribute Details

#context ⇒ Object (readonly)

Returns the value of attribute context.



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# File 'lib/hai/read.rb', line 4

def context
  @context
end

#model ⇒ Object

Returns the value of attribute model.



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# File 'lib/hai/read.rb', line 3

def model
  @model
end

#table ⇒ Object (readonly)

Returns the value of attribute table.



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# File 'lib/hai/read.rb', line 4

def table
  @table
end

Instance Method Details

#list(filter: nil, limit: nil, offset: nil, sort: nil, **extra) ⇒ Object

return [] or ActiveRecord::Relationship



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# File 'lib/hai/read.rb', line 14

def list(filter: nil, limit: nil, offset: nil, sort: nil, **extra)
  check_list_policy(context)

  context[:arguments] = extra
  query = build_filter(filter)
  query = query.order({ sort.fetch(:field) => sort.fetch(:order) }) if sort
  query = query.limit(limit) if limit
  query = query.offset(offset) if offset
  run_action_modification(query)
end

#read(query_hash) ⇒ Object

return nil or model



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# File 'lib/hai/read.rb', line 26

def read(query_hash)
  build_filter(query_hash).first.tap do |record|
    if record.respond_to?(:check_hai_policy) &&
         !record.check_hai_policy(:read, context)
      raise UnauthorizedError
    end
  end
end