Module: FlowOrganizer::Callable::Branch

Defined in:
lib/flow_organizer/callable/branch.rb

Overview

Call the branch which name is returned by ‘branch_callable`.

## Example

“‘ruby FlowOrganizer.call(

list: [
  [:branch, ->(number:) { number.even? ? :even : :odd }, {
    even: [
      ->() { some_action },
    ],
    odd: [
      ->() { some_other_action },
    ],
  },],
],
ctx: { number: rand(1...10) },

) “‘

Class Method Summary collapse

Class Method Details

.resolve(args:) ⇒ Object

The expected format for ‘:args` is `[:branch, branch_callable, branch_list]`



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# File 'lib/flow_organizer/callable/branch.rb', line 24

def self.resolve(args:)
  _, callable, branches = args

  wrapped_callable = ->(**arguments) do
    ctx_in = arguments || {}

    branch_name, _ctx_out = FlowOrganizer.call(
      list: [callable],
      ctx:  ctx_in,
    )

    status  = :ok
    ctx_out = {}
    list    = branches[branch_name]

    if list && !list.empty?
      status, ctx_out = FlowOrganizer.call(
        list: branches[branch_name],
        ctx:  ctx_in,
      )

      ctx_out = (ctx_out) ? FlowOrganizer::Context.update_context(ctx: ctx_in, local_ctx: ctx_out) : ctx_in
    end

    [status, ctx_out]
  end

  [:ok, callable: wrapped_callable]
end