Module: Nullalign
- Defined in:
- lib/nullalign.rb,
lib/nullalign/models.rb,
lib/nullalign/railtie.rb,
lib/nullalign/version.rb,
lib/nullalign/reporter.rb,
lib/nullalign/reporters/base.rb,
lib/nullalign/nonnull_constraint.rb,
lib/nullalign/introspectors/table_data.rb,
lib/nullalign/reporters/validates_presence_of.rb,
lib/nullalign/introspectors/validates_presence_of.rb
Defined Under Namespace
Modules: Introspectors, Reporters
Classes: Models, NonnullConstraint, Railtie, Reporter
Constant Summary
collapse
- VERSION =
"0.0.3"
Class Method Summary
collapse
Class Method Details
.generate_migration ⇒ Object
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# File 'lib/nullalign.rb', line 20
def self.generate_migration
models = Nullalign::Models.new($LOAD_PATH)
models.preload_all
reporter = Nullalign::Reporter.new
introspector = Nullalign::Introspectors::ValidatesPresenceOf.new
problems = problems(models.all, introspector)
if problems.empty?
puts "Hooray! All presence validators are backed by a non-null constraint."
else
str = "class AddMissingNonnullConstraints < ActiveRecord::Migration[5.1]\n"
str << " def change\n"
null_constraints_by_table_name = problems.map do |model, columns|
[model.name, model, columns]
end.sort_by(&:first)
counter = 0
null_constraints_by_table_name.each do |table_name, model, columns|
columns.each do |constraint|
counter += 1
str << " change_column_null :#{model.table_name}, :#{constraint.column}, false\n"
end
end
str << " end\n"
str << "end\n"
filename = "db/migrate/#{Time.now.utc.strftime("%Y%m%d%H%M%S")}_add_missing_nonnull_constraints.rb"
puts "Adding migration #{File.basename(filename)} containing #{counter} change_column_null entries"
File.open(filename, "w") {|f| f.syswrite(str)}
end
end
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