rake aborted! TypeError: Parts is not a class

Question

Well I got another error now with my database this time saying one of the classes I made "Parts" is not a class. I can't seem to know where this is tracing from

and here is my Parts database values (the file name is parts.rb)

class Parts < ActiveRecord::Migration
  def change
    create_table :parts do |t|
      t.string :name
      t.text :description
      t.integer :category_id
    end
  end
end

my parts controller:

class PartsController < ApplicationController
  before_filter :authorize, :except => :index

  def index
    @parts = Part.all
  end

  def new
    @part = Part.new
  end

  def show
    @part = Part.find(params[:id])
  end

  def create
    @part = Part.new(part_params)
      if @part.save
        redirect_to part_path(@part)
  end
end

  def edit
    @part = Part.find(params[:id])
  end

  def update
    @part = Part.find(params[:id])
      if @part.update_attributes(part_params)
        redirect_to @part
      end
    end

    def destroy
      @part = Part.find(params[:id])
      @part.destroy
        redirect_to parts_path
    end

  private
  def part_params
    params.require(:part).permit(:description, :name)
  end

end

my parts model is just

class Part < ActiveRecord::Base
end

Thanks for any help

Answer 1

Hope you generate the migration file with model by command like

bundle exec rails g model Part name:string description:text category_id:integer

it will create the migration file 2016...09_create_parts.rb

and it will be look like

def CreateParts < ActiveRecord::Migration
  def change
   create_table :parts do |t|
      t.string :name
      t.text :description
      t.integer :category_id
    end
  end
end