Class: Ratlas::Query

Inherits:
Object
  • Object
show all
Defined in:
lib/ratlas/query.rb

Instance Method Summary collapse

Constructor Details

#initialize(target, scope = :all, conditions = {}) ⇒ Query

Returns a new instance of Query.



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# File 'lib/ratlas/query.rb', line 4

def initialize(target, scope = :all, conditions = {})
  @target = target
  @scope = scope
  @conditions = {:limit => "50"}.merge(conditions)
  @conditions.delete_if{|k,v| @target.respond_to?(:exclude) && @target.exclude.include?(k)}
end

Instance Method Details

#and(conditions) ⇒ Object 



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# File 'lib/ratlas/query.rb', line 25

def and(conditions)
  where(conditions)
end

#each(&block) ⇒ Object 



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# File 'lib/ratlas/query.rb', line 17

def each &block
  execute.each &block
end

#execute ⇒ Object 



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# File 'lib/ratlas/query.rb', line 49

def execute
  Ratlas::Response.new(request, @target.resource_key)
end

#limit(limit) ⇒ Object 



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# File 'lib/ratlas/query.rb', line 29

def limit(limit)
  add_condition(:limit => limit )
end

#request ⇒ Object 



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# File 'lib/ratlas/query.rb', line 45

def request
  JSON.parse(Net::HTTP.get_response(URI.parse('http:'+to_uri.to_s)).body)
end

#to_a ⇒ Object 



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# File 'lib/ratlas/query.rb', line 21

def to_a
  execute.to_a
end

#to_params ⇒ Object 



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# File 'lib/ratlas/query.rb', line 33

def to_params
  to_uri.query
end

#to_uri ⇒ Object 



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# File 'lib/ratlas/query.rb', line 37

def to_uri
  uri = Addressable::URI.new
  uri.host = Ratlas::ENDPOINT
  uri.path = Ratlas::ENDPOINT_VERSION + '/' + @target.resource_name + '.json'
  uri.query_values = conditions_for_query
  uri
end

#where(conditions) ⇒ Object 



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# File 'lib/ratlas/query.rb', line 11

def where(conditions)
  raise "#where expects a conditions hash" unless conditions.is_a?(Hash)
  add_conditions(conditions)
  self
end