Class: Proxima::Model

Inherits:
Object
  • Object
show all
Extended by:
ActiveModel::Naming, ActiveModel::Translation
Includes:
ActiveModel::AttributeMethods, ActiveModel::Conversion, ActiveModel::Dirty, ActiveModel::Model, ActiveModel::Serializers::JSON, ActiveModel::Validations, Attributes, HTTPMethods, Paths, Serialization, Validation
Defined in:
lib/proxima/model.rb

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Validation

errors, included, #read_attribute_for_validation

Methods included from Serialization

#as_json, #from_json, included, #to_h

Methods included from Paths

included

Methods included from Attributes

#<=>, #attributes, #attributes=, #eql?, #hash, included

Methods included from HTTPMethods

included

Constructor Details

#initialize(record = {}) ⇒ Model

Returns a new instance of Model.



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# File 'lib/proxima/model.rb', line 97

def initialize(record = {})
  self.new_record = true
  self.attributes = record
end

Class Method Details

.api(api = nil) ⇒ Object

TODO: Implement callbacks extend ActiveModel::Callbacks define_model_callbacks :create, :update



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# File 'lib/proxima/model.rb', line 24

def self.api(api = nil)
  @api = api if api
  @api
end

.count(query = {}, params = {}, opts = {}) ⇒ Object 



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# File 'lib/proxima/model.rb', line 78

def self.count(query = {}, params = {}, opts = {})
  query['$limit'] = 0
  opts[:query]    = self.convert_query_or_delta_to_json query
  @response       = self.api.get self.find_path.call(params), opts

  return nil unless @response.code == 200

  @response.headers[:x_total_count] || 0
end

.count_and_find(query = {}, params = {}, opts = {}) ⇒ Object 



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# File 'lib/proxima/model.rb', line 66

def self.count_and_find(query = {}, params = {}, opts = {})
  items       = self.find query, params, opts
  total_count = self.response.headers[:x_total_count].to_i || 0

  Struct.new(:total_count, :items).new(total_count, items)
end

.create(record) ⇒ Object 



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# File 'lib/proxima/model.rb', line 37

def self.create(record)
  if record.is_a? Array
    models     = []
    @responses = []
    record.each do |record|
      model = self.create record
      @responses.push(model.response)
      models.push(model) if model
    end
    return models
  end

  model     = self.new(record)
  save_ok   = model.save
  @response = model.response

  return nil unless save_ok
  model
end

.find(query = {}, params = {}, opts = {}) ⇒ Object 



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# File 'lib/proxima/model.rb', line 57

def self.find(query = {}, params = {}, opts = {})
  opts[:query] = self.convert_query_or_delta_to_json query
  @response    = self.api.get self.find_path.call(params.merge(query)), opts

  return [] unless @response.code == 200

  self.from_json @response.body
end

.find_by_id(id, params = {}, opts = {}) ⇒ Object 



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# File 'lib/proxima/model.rb', line 88

def self.find_by_id(id, params = {}, opts = {})
  params[:id] = id
  @response   = self.api.get self.find_by_id_path.call(params), opts

  return nil unless @response.code == 200

  self.from_json @response.body, single_model_from_array: true
end

.find_one(query = {}, params = {}, opts = {}) ⇒ Object 



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# File 'lib/proxima/model.rb', line 73

def self.find_one(query = {}, params = {}, opts = {})
  query['$limit'] = 1
  self.find(query, params, opts)[0]
end

.response ⇒ Object 



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# File 'lib/proxima/model.rb', line 29

def self.response
  @response
end

.responses ⇒ Object 



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# File 'lib/proxima/model.rb', line 33

def self.responses
  @responses || []
end

Instance Method Details

#destroy ⇒ Object 



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# File 'lib/proxima/model.rb', line 159

def destroy
  raise "Cannot destroy a new record" if new_record?

  @response = self.class.api.delete(self.class.delete_by_id_path.call(self.to_h))

  return false unless @response.code == 204
  self.persisted = true
end

#new_record=(val) ⇒ Object 



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# File 'lib/proxima/model.rb', line 115

def new_record=(val)
  @new_record = !!val
  @persisted  = !val
  clear_changes_information unless val
end

#new_record? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/proxima/model.rb', line 111

def new_record?
  @new_record
end

#persisted=(val) ⇒ Object 



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# File 'lib/proxima/model.rb', line 106

def persisted=(val)
  @persisted = !!val
  changes_applied if val
end

#persisted? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/proxima/model.rb', line 102

def persisted?
  @persisted
end

#reload! ⇒ Object 



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# File 'lib/proxima/model.rb', line 151

def reload!
  self.clear_changes_information
end

#response ⇒ Object 



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# File 'lib/proxima/model.rb', line 121

def response
  @response
end

#restore ⇒ Object 



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# File 'lib/proxima/model.rb', line 168

def restore
  raise "Cannot restore a new record" if new_record?

  @response = self.class.api.post(self.class.restore_by_id_path.call(self.to_h))

  return false unless @response.code == 204
  self.persisted = true
end

#rollback! ⇒ Object 



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# File 'lib/proxima/model.rb', line 155

def rollback!
  self.restore_attributes
end

#save(options = {}, params = {}) ⇒ Object 



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# File 'lib/proxima/model.rb', line 125

def save(options = {}, params = {})
  return false unless self.valid?

  if self.new_record?
    path      = self.class.create_path.call self.to_h
    payload   = { json: self.as_json(options) }
    @response = self.class.api.post path, payload

    return false unless @response.code == 201

    self.from_json @response.body, options[:include_root]
    self.new_record = false
    return true
  end

  return true if self.persisted?

  options[:flatten] = true if options[:flatten] == nil
  path      = self.class.update_by_id_path.call params.merge(self.to_h)
  payload   = { json: self.as_json(options) }
  @response = self.class.api.put path, payload

  return false unless @response.code == 204
  self.persisted = true
end