Class: Cosmos::TimelineModel

Inherits:
Model show all
Defined in:
lib/cosmos/models/timeline_model.rb

Constant Summary collapse

PRIMARY_KEY =

MUST be equal to ActivityModel::PRIMARY_KEY without leading __

'cosmos_timelines'.freeze
KEY = 
'__TIMELINE__'.freeze

Instance Attribute Summary

Attributes inherited from Model

#name, #plugin, #scope, #updated_at

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Model

#as_config, #create, #destroy, filter, find_all_by_plugin, get_all_models, get_model, handle_config, set, #update

Constructor Details

#initialize(name:, scope:, updated_at: nil, color: nil) ⇒ TimelineModel

Returns a new instance of TimelineModel.



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# File 'lib/cosmos/models/timeline_model.rb', line 76

def initialize(name:, scope:, updated_at: nil, color: nil)
  if name.nil? || scope.nil?
    raise TimelineInputError.new "name or scope must not be nil"
  end

  super(PRIMARY_KEY, name: "#{scope}#{KEY}#{name}", scope: scope)
  @updated_at = updated_at
  @timeline_name = name
  update_color(color: color)
end

Class Method Details

.all ⇒ Array<Hash>

Returns All the Key, Values stored under the name key.

Returns:

  • (Array<Hash>) —

    All the Key, Values stored under the name key



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# File 'lib/cosmos/models/timeline_model.rb', line 43

def self.all
  super(PRIMARY_KEY)
end

.delete(name:, scope:, force: false) ⇒ Object

Remove the sorted set.



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# File 'lib/cosmos/models/timeline_model.rb', line 53

def self.delete(name:, scope:, force: false)
  key = "#{scope}__#{PRIMARY_KEY}__#{name}"
  z = Store.zcard(key)
  if force == false && z > 0
    raise TimelineError.new "timeline contains activities, must force remove"
  end

  Store.multi do |multi|
    multi.del(key)
    multi.hdel(PRIMARY_KEY, "#{scope}#{KEY}#{name}")
  end
  return name
end

.from_json(json, name:, scope:) ⇒ TimelineModel

Returns Model generated from the passed JSON.

Returns:



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# File 'lib/cosmos/models/timeline_model.rb', line 68

def self.from_json(json, name:, scope:)
  json = JSON.parse(json) if String === json
  raise "json data is nil" if json.nil?

  json.transform_keys!(&:to_sym)
  self.new(**json, name: name, scope: scope)
end

.get(name:, scope:) ⇒ TimelineModel

Return the object with the name at

Returns:



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# File 'lib/cosmos/models/timeline_model.rb', line 35

def self.get(name:, scope:)
  json = super(PRIMARY_KEY, name: "#{scope}#{KEY}#{name}")
  unless json.nil?
    self.from_json(json, name: name, scope: scope)
  end
end

.names ⇒ Array<String>

Returns All the names stored under the name key.

Returns:

  • (Array<String>) —

    All the names stored under the name key



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# File 'lib/cosmos/models/timeline_model.rb', line 48

def self.names
  super(PRIMARY_KEY)
end

Instance Method Details

#as_json ⇒ Hash

Returns generated from the TimelineModel.

Returns:

  • (Hash) —

    generated from the TimelineModel



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# File 'lib/cosmos/models/timeline_model.rb', line 103

def as_json
  {
    'name' => @timeline_name,
    'color' => @color,
    'scope' => @scope,
    'updated_at' => @updated_at
  }
end

#deploy ⇒ Object 



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# File 'lib/cosmos/models/timeline_model.rb', line 127

def deploy
  topics = ["#{@scope}__#{PRIMARY_KEY}"]
  TimelineTopic.initialize_streams(topics)
  # Timeline Microservice
  microservice = MicroserviceModel.new(
    name: @name,
    folder_name: nil,
    cmd: ['ruby', 'timeline_microservice.rb', @name],
    work_dir: '/cosmos/lib/cosmos/microservices',
    options: [],
    topics: topics,
    target_names: [],
    plugin: nil,
    scope: @scope
  )
  microservice.create
  notify(kind: 'created')
end

#notify(kind:) ⇒ Object

Returns [] update the redis stream / timeline topic that something has changed.

Returns:

  • update the redis stream / timeline topic that something has changed



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# File 'lib/cosmos/models/timeline_model.rb', line 113

def notify(kind:)
  notification = {
    'data' => JSON.generate(as_json()),
    'kind' => kind,
    'type' => 'timeline',
    'timeline' => @timeline_name
  }
  begin
    TimelineTopic.write_activity(notification, scope: @scope)
  rescue StandardError => e
    raise TimelineInputError.new "Failed to write to stream: #{notification}, #{e}"
  end
end

#undeploy ⇒ Object 



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# File 'lib/cosmos/models/timeline_model.rb', line 146

def undeploy
  model = MicroserviceModel.get_model(name: @name, scope: @scope)
  if model
    model.destroy
    notify(kind: 'deleted')
  end
end

#update_color(color: nil) ⇒ Object 



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# File 'lib/cosmos/models/timeline_model.rb', line 87

def update_color(color: nil)
  if color.nil?
    color = '#%06x' % (rand * 0xffffff)
  end
  valid_color = color =~ /(#*)([0-9,a-f,A-f]{6})/
  if valid_color.nil?
    raise RuntimeError.new "invalid color but in hex format. #FF0000"
  end

  unless color.start_with?('#')
    color = "##{color}"
  end
  @color = color
end