Class: SlashMigrate::ModelsController

Inherits:
ApplicationController show all
Defined in:
app/controllers/slash_migrate/models_controller.rb

Instance Method Summary collapse

Instance Method Details

#create ⇒ Object 



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# File 'app/controllers/slash_migrate/models_controller.rb', line 26

def create
  builder = build_builder

  if inspector.exists?(builder.table_name)
    redirect_to(new_model_path, alert: "A table named #{builder.table_name} already exists.")
    return
  end

  written = builder.write!
  redirect_to migrations_path,
    notice: "Created #{written.join(", ")}. Run it below to apply."
end

#new ⇒ Object 



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# File 'app/controllers/slash_migrate/models_controller.rb', line 3

def new
  @builder = MigrationBuilder.new(name: "")
  @existing_tables = inspector.table_names
end

#preview ⇒ Object

Live preview: rebuilds the migration + model source on every (debounced) form change and streams it back. Pure string building, no disk writes.



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# File 'app/controllers/slash_migrate/models_controller.rb', line 10

def preview
  @builder = build_builder

  if @builder.name_present?
    @table_exists = inspector.exists?(@builder.table_name)
  else
    @hint = "Enter a model name to see the migration it will generate."
  end

  render :preview, layout: false
rescue => e
  # Partial/invalid input shouldn't 500 the live preview; show the problem.
  @error = e.message
  render :preview, layout: false
end