84 lines
2.0 KiB
Ruby
84 lines
2.0 KiB
Ruby
module Gitlab
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module SlashCommands
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class CommandDefinition
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attr_accessor :name, :aliases, :description, :explanation, :params,
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:condition_block, :parse_params_block, :action_block
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def initialize(name, attributes = {})
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@name = name
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@aliases = attributes[:aliases] || []
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@description = attributes[:description] || ''
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@explanation = attributes[:explanation] || ''
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@params = attributes[:params] || []
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@condition_block = attributes[:condition_block]
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@parse_params_block = attributes[:parse_params_block]
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@action_block = attributes[:action_block]
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end
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def all_names
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[name, *aliases]
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end
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def noop?
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action_block.nil?
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end
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def available?(opts)
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return true unless condition_block
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context = OpenStruct.new(opts)
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context.instance_exec(&condition_block)
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end
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def explain(context, opts, arg)
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return unless available?(opts)
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if explanation.respond_to?(:call)
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execute_block(explanation, context, arg)
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else
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explanation
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end
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end
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def execute(context, opts, arg)
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return if noop? || !available?(opts)
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execute_block(action_block, context, arg)
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end
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def to_h(opts)
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desc = description
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if desc.respond_to?(:call)
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context = OpenStruct.new(opts)
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desc = context.instance_exec(&desc) rescue ''
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end
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{
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name: name,
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aliases: aliases,
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description: desc,
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params: params
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}
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end
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private
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def execute_block(block, context, arg)
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if arg.present?
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parsed = parse_params(arg, context)
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context.instance_exec(parsed, &block)
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elsif block.arity == 0
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context.instance_exec(&block)
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end
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end
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def parse_params(arg, context)
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return arg unless parse_params_block
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context.instance_exec(arg, &parse_params_block)
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end
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end
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end
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end
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