Class: DBPurger::PlanBuilder

Inherits:
Object
  • Object
show all
Defined in:
lib/db-purger/plan_builder.rb

Overview

DBPurger::PlanBuilder is used to build the relationships between tables in a convenient way

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(plan) ⇒ PlanBuilder

Returns a new instance of PlanBuilder.



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# File 'lib/db-purger/plan_builder.rb', line 6

def initialize(plan)
  @plan = plan
end

Class Method Details

.build(&block) ⇒ Object 



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# File 'lib/db-purger/plan_builder.rb', line 49

def self.build(&block)
  plan = Plan.new
  helper = new(plan)
  helper.instance_eval(&block)
  plan
end

Instance Method Details

#base_table(table_name, field, options = {}, &block) ⇒ Object 



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# File 'lib/db-purger/plan_builder.rb', line 10

def base_table(table_name, field, options = {}, &block)
  @plan.base_table = create_table(table_name, field, options, &block)
end

#build_nested_plan(table, &block) ⇒ Object 



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# File 'lib/db-purger/plan_builder.rb', line 56

def build_nested_plan(table, &block)
  helper = self.class.new(table.nested_plan)
  helper.instance_eval(&block)
end

#child_table(table_name, field, options = {}, &block) ⇒ Object 



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# File 'lib/db-purger/plan_builder.rb', line 24

def child_table(table_name, field, options = {}, &block)
  table = create_table(table_name, field, options, &block)
  if @plan.base_table
    @plan.base_table.nested_plan.child_tables << table
  else
    @plan.child_tables << table
  end
  table
end

#ignore_table(table_name) ⇒ Object 



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# File 'lib/db-purger/plan_builder.rb', line 34

def ignore_table(table_name)
  @plan.ignore_tables << table_name
end

#load_plan_file(file) ⇒ Object 



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# File 'lib/db-purger/plan_builder.rb', line 61

def load_plan_file(file)
  instance_eval(File.read(file))
  @plan
end

#parent_table(table_name, field, options = {}, &block) ⇒ Object 



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# File 'lib/db-purger/plan_builder.rb', line 14

def parent_table(table_name, field, options = {}, &block)
  table = create_table(table_name, field, options, &block)
  if @plan.base_table
    @plan.base_table.nested_plan.parent_tables << table
  else
    @plan.parent_tables << table
  end
  table
end

#purge_table_search(table_name, field, options = {}, &block) ⇒ Object 



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# File 'lib/db-purger/plan_builder.rb', line 38

def purge_table_search(table_name, field, options = {}, &block)
  table = create_table(table_name, field, options)
  table.search_proc = block || raise('no block given for search_proc')
  if @plan.base_table
    @plan.base_table.nested_plan.search_tables << table
  else
    @plan.search_tables << table
  end
  table
end