Class: Doggy::Model

Inherits:
Object
  • Object
show all
Defined in:
lib/doggy/model.rb

Class Attribute Summary collapse

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(attributes = nil) ⇒ Model

Returns a new instance of Model.



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# File 'lib/doggy/model.rb', line 174

def initialize(attributes = nil)
  root_key = self.class.root

  return super unless attributes && root_key
  return super unless attributes[root_key].is_a?(Hash)

  attributes = attributes[root_key]
  super(attributes)
end

Class Attribute Details

.root ⇒ Object

Returns the value of attribute root.



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# File 'lib/doggy/model.rb', line 23

def root
  @root
end

Instance Attribute Details

#is_deleted ⇒ Object

indicates whether an object locally deleted



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# File 'lib/doggy/model.rb', line 17

def is_deleted
  @is_deleted
end

#loading_source ⇒ Object

This stores whether the resource has been loaded locally or remotely.



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# File 'lib/doggy/model.rb', line 20

def loading_source
  @loading_source
end

#path ⇒ Object

This stores the path on disk. We don’t define it as a model attribute so it doesn’t get serialized.



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# File 'lib/doggy/model.rb', line 14

def path
  @path
end

Class Method Details

.accepted_response(code, accepted_errors = nil) ⇒ Object 



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# File 'lib/doggy/model.rb', line 123

def accepted_response(code, accepted_errors = nil)
  if (accepted_errors != nil) && (accepted_errors.include? code)
    true
  else
    code >= 200 && code < 400
  end
end

.all_local_resources ⇒ Object 



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# File 'lib/doggy/model.rb', line 46

def all_local_resources
  @@all_local_resources ||= Parallel.map(Dir[Doggy.object_root.join("**/*.json")]) do |file|
    raw = File.read(file, encoding: 'utf-8')
    begin
      attributes = JSON.parse(raw)
    rescue JSON::ParserError
      Doggy.ui.error "Could not parse #{ file }."
      next
    end
    resource = infer_type(attributes).new(attributes)
    resource.path = file
    resource.loading_source = :local
    resource
  end
end

.changed_resources ⇒ Object 



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# File 'lib/doggy/model.rb', line 62

def changed_resources
  repo = Rugged::Repository.new(Doggy.object_root.parent.to_s)
  diff = repo.diff(current_sha, 'HEAD')
  diff.find_similar!
  diff.each_delta.map do |delta|
    new_file_path = delta.new_file[:path]
    next unless new_file_path.match(/\Aobjects\//)
    is_deleted = delta.status == :deleted
    oid = is_deleted ? delta.old_file[:oid] : delta.new_file[:oid]
    begin
      attributes = JSON.parse(repo.read(oid).data)
    rescue JSON::ParserError
      Doggy.ui.error("Could not parse #{ new_file_path }. Skipping...")
      next
    end
    resource = infer_type(attributes).new(attributes)
    resource.loading_source = :local
    resource.path = Doggy.object_root.parent.join(new_file_path).to_s
    resource.is_deleted = is_deleted
    resource
  end.compact
end

.current_sha ⇒ Object 



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# File 'lib/doggy/model.rb', line 131

def current_sha
  now = Time.now.to_i
  month_ago = now - 3600 * 24 * 30
  result = request(:get, "https://app.datadoghq.com/api/v1/events?start=#{ month_ago }&end=#{ now }&tags=audit,shipit")
  result['events'][0]['text'] # most recetly deployed SHA
end

.emit_shipit_deployment ⇒ Object 



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# File 'lib/doggy/model.rb', line 138

def emit_shipit_deployment
  return unless ENV['SHIPIT']

  request(:post, 'https://app.datadoghq.com/api/v1/events', {
    title: "ShipIt Deployment by #{ENV['USER']}",
    text: ENV['REVISION'],
    tags: %w(audit shipit),
    date_happened: Time.now.to_i,
    priority: 'normal',
    source_type_name: 'shipit'
  }.to_json)
end

.find(id) ⇒ Object 



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# File 'lib/doggy/model.rb', line 25

def find(id)
  attributes = request(:get, resource_url(id), nil, [404])
  return if attributes['errors']
  resource   = new(attributes)

  resource.loading_source = :remote
  resource
end

.find_local(param) ⇒ Object 



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# File 'lib/doggy/model.rb', line 34

def find_local(param)
  resources  = Doggy::Model.all_local_resources
  if (id = param).is_a?(Integer) || (param =~ /^[0-9]+$/ && id = Integer(param)) then
    return resources.find { |res| res.id == id }
  end
  if id = param[/(dash\/|screen\/|monitors#)(\d+)/i, 2]
    return resources.find { |res| res.id == Integer(id) }
  end
  full_path = File.expand_path(param.gsub('objects/', ''), Doggy.object_root)
  resources.find { |res| res.path == full_path }
end

.infer_type(attributes) ⇒ Object 



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# File 'lib/doggy/model.rb', line 85

def infer_type(attributes)
  has_key = ->(key) { attributes.has_key?(key.to_s) || attributes.has_key?(key.to_sym) }
  return Models::Dashboard if has_key.call('graphs')
  return Models::Monitor   if has_key.call('message')
  return Models::Screen    if has_key.call('board_title')
end

.request(method, url, body = nil, accepted_errors = nil) ⇒ Object 



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# File 'lib/doggy/model.rb', line 92

def request(method, url, body = nil, accepted_errors = nil)
  uri = URI(url)

  if uri.query
    uri.query = "api_key=#{ Doggy.api_key }&application_key=#{ Doggy.application_key }" + '&' + uri.query
  else
    uri.query = "api_key=#{ Doggy.api_key }&application_key=#{ Doggy.application_key }"
  end

  http = Net::HTTP.new(uri.host, uri.port)
  http.use_ssl = (uri.scheme == 'https')

  request = case method
            when :get    then Net::HTTP::Get.new(uri.request_uri)
            when :post   then Net::HTTP::Post.new(uri.request_uri)
            when :put    then Net::HTTP::Put.new(uri.request_uri)
            when :delete then Net::HTTP::Delete.new(uri.request_uri)
            end

  request.content_type = 'application/json'
  request.body = body if body

  response = http.request(request)
  parsed_response = response.body ? JSON.parse(response.body) : nil

  unless accepted_response(response.code.to_i, accepted_errors)
    raise DoggyError, "Unexpected response code #{response.code} for #{url}, body: #{parsed_response.to_s}"
  end
  parsed_response
end

.sort_by_key(hash, &block) ⇒ Object 



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

def sort_by_key(hash, &block)
  hash.keys.sort(&block).reduce({}) do |seed, key|
    seed[key] = hash[key]
    if seed[key].is_a?(Hash)
      seed[key] = Doggy::Model.sort_by_key(seed[key], &block)
    elsif seed[key].is_a?(Array)
      seed[key].each_with_index { |e, i| seed[key][i] = sort_by_key(e, &block) if e.is_a?(Hash) }
    end
    seed
  end
end

Instance Method Details

#==(another_model) ⇒ Object

class << self



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# File 'lib/doggy/model.rb', line 170

def ==(another_model)
  to_h == another_model.to_h
end

#destroy ⇒ Object 



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# File 'lib/doggy/model.rb', line 214

def destroy
  request(:delete, resource_url(id))
end

#destroy_local ⇒ Object 



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# File 'lib/doggy/model.rb', line 218

def destroy_local
  File.delete(@path)
end

#save ⇒ Object 



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# File 'lib/doggy/model.rb', line 198

def save
  ensure_managed_emoji!
  validate

  body = JSON.dump(to_h)
  if !id then
    attributes = request(:post, resource_url, body)
    self.id    = self.class.new(attributes).id
    save_local
    Doggy.ui.say "Created #{ path }"
  else
    request(:put, resource_url(id), body)
    Doggy.ui.say "Updated #{ path }"
  end
end

#save_local ⇒ Object 



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# File 'lib/doggy/model.rb', line 184

def save_local
  ensure_read_only!
  self.path ||= Doggy.object_root.join("#{prefix}-#{id}.json")
  File.open(@path, 'w') { |f| f.write(JSON.pretty_generate(to_h)) }
end

#to_h ⇒ Object 



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# File 'lib/doggy/model.rb', line 190

def to_h
  Doggy::Model.sort_by_key(super)
end

#validate ⇒ Object 



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# File 'lib/doggy/model.rb', line 194

def validate
  # NotImplemented
end