Class: SlashMigrate::ColumnsController

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

Instance Method Summary collapse

Instance Method Details

#create ⇒ Object 



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# File 'app/controllers/slash_migrate/columns_controller.rb', line 19

def create
  migration = AddColumnsMigration.from_params(table: @table, rows: params[:attributes])

  unless migration.any?
    redirect_to(new_table_column_path(@table), alert: "Add at least one column.")
    return
  end

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

#drop ⇒ Object 



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# File 'app/controllers/slash_migrate/columns_controller.rb', line 40

def drop
  column = find_column
  head :not_found and return unless column

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

#edit ⇒ Object 



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# File 'app/controllers/slash_migrate/columns_controller.rb', line 32

def edit
  @column = find_column
  head :not_found and return unless @column

  @drop_migration = DropColumnMigration.new(table: @table, column: @column)
  @drop_caveat = drop_caveat
end

#new ⇒ Object 



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# File 'app/controllers/slash_migrate/columns_controller.rb', line 5

def new
  @migration = AddColumnsMigration.new(table: @table)
  @existing_tables = inspector.table_names
end

#preview ⇒ Object 



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

def preview
  @migration = AddColumnsMigration.from_params(table: @table, rows: params[:attributes])
  @hint = "Add a column to see the migration it will generate." unless @migration.any?
  render :preview, layout: false
rescue => e
  @error = e.message
  render :preview, layout: false
end

#update ⇒ Object 



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# File 'app/controllers/slash_migrate/columns_controller.rb', line 59

def update
  original = find_column
  head :not_found and return unless original

  migration = EditColumnMigration.new(table: @table, original: original, desired: desired_column)

  unless migration.changed?
    redirect_to(edit_table_column_path(@table, params[:name]), alert: "No changes to apply.")
    return
  end

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

#update_preview ⇒ Object 



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# File 'app/controllers/slash_migrate/columns_controller.rb', line 49

def update_preview
  original = find_column
  @migration = original && EditColumnMigration.new(table: @table, original: original, desired: desired_column)
  @hint = "Change a value to see the migration it will generate." unless @migration&.changed?
  render :update_preview, layout: false
rescue => e
  @error = e.message
  render :update_preview, layout: false
end