Class: Textus::Maintenance::KeyDeletePrefix

Inherits:
Object
  • Object
show all
Extended by:
Contract::DSL
Defined in:
lib/textus/maintenance/key_delete_prefix.rb

Overview

Bulk-delete every leaf key under ‘prefix`.

Instance Method Summary collapse

Methods included from Contract::DSL

arg, around, cli, cli_stdin, contract, contract?, summary, surfaces, verb, view

Constructor Details

#initialize(container:, call:) ⇒ KeyDeletePrefix

Returns a new instance of KeyDeletePrefix.



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# File 'lib/textus/maintenance/key_delete_prefix.rb', line 16

def initialize(container:, call:)
  @container    = container
  @call         = call
end

Instance Method Details

#call(prefix, dry_run: true) ⇒ Object

Raises:



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# File 'lib/textus/maintenance/key_delete_prefix.rb', line 21

def call(prefix, dry_run: true)
  raise UsageError.new("prefix required") if prefix.nil? || prefix.empty?

  leaves = Read::List.new(container: @container)
                     .call(prefix: prefix)
                     .map { |r| r.is_a?(Hash) ? (r["key"] || r[:key]) : r }

  warnings = leaves.empty? ? ["no keys under #{prefix}"] : []
  steps = leaves.map { |k| { "op" => "delete", "key" => k } }

  plan = Plan.new(steps: steps, warnings: warnings)
  return plan if dry_run

  steps.each do |s|
    delete.call(s["key"])
  end
  plan
end