49 lines
1.4 KiB
Ruby
49 lines
1.4 KiB
Ruby
# A sequence is a set of predefined steps executed by FarmBot. Sequences
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# represent one of the most complicated systems in FarmBot. Sequences implement
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# most of the functionality of a programming language such a variables and
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# conditional logic.
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class Sequence < ActiveRecord::Base
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COLORS = %w(blue green yellow orange purple pink gray red)
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include CeleryScriptSettingsBag
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belongs_to :device
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has_many :regimen_items
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has_many :sequence_dependencies, dependent: :destroy
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serialize :body, Array
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serialize :args, Hash
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# allowable label colors for the frontend.
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[ :name, :kind ].each { |n| validates n, presence: true }
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validates :color, inclusion: { in: COLORS }
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validates :name, uniqueness: { scope: :device }
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after_find :maybe_migrate
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# http://stackoverflow.com/a/5127684/1064917
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before_validation :set_defaults
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def set_defaults
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self.color ||= "gray"
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self.kind ||= "sequence"
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self.body ||= []
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self.args ||= {}
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end
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def maybe_migrate
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# spot check with Sequence.order("RANDOM()").first.maybe_migrate
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Sequences::Migrate.run!(sequence: self, device: self.device)
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end
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# Helper used for QAing stuff on staging. Grabs a random sequence from the
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# database, runs a migration (does not save) and prints to screen.
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def self.spot_check
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s = random
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puts "Sequence ##{s.id} ========="
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puts s.maybe_migrate.body.to_yaml
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end
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def self.random
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Sequence.order("RANDOM()").first
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end
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end
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