foodsoft/app/controllers/stockit_controller.rb

class StockitController < ApplicationController
  def index
    @stock_articles = StockArticle.undeleted.includes(:supplier, :article_category)
                                  .order('suppliers.name, article_categories.name, articles.name')
  end

  def index_on_stock_article_create # See publish/subscribe design pattern in /doc.
    @stock_article = StockArticle.find(params[:id])

    render layout: false
  end

  def index_on_stock_article_update # See publish/subscribe design pattern in /doc.
    @stock_article = StockArticle.find(params[:id])

    render layout: false
  end

  def show
    @stock_article = StockArticle.find(params[:id])
    @stock_changes = @stock_article.stock_changes.order('stock_changes.created_at DESC')
  end

  # three possibilites to fill a new_stock_article form
  # (1) start from blank or use params
  def new
    @stock_article = StockArticle.new(params[:stock_article])

    render layout: false
  end

  # (2) StockArticle as template
  def copy
    @stock_article = StockArticle.find(params[:stock_article_id]).dup

    render layout: false
  end

  # (3) non-stock Article as template
  def derive
    @stock_article = Article.find(params[:old_article_id]).becomes(StockArticle).dup

    render layout: false
  end

  def edit
    @stock_article = StockArticle.find(params[:id])

    render layout: false
  end

  def create
    @stock_article = StockArticle.new({ quantity: 0 }.merge(params[:stock_article]))
    @stock_article.save!
    render layout: false
  rescue ActiveRecord::RecordInvalid
    render action: 'new', layout: false
  end

  def update
    @stock_article = StockArticle.find(params[:id])
    @stock_article.update!(params[:stock_article])
    render layout: false
  rescue ActiveRecord::RecordInvalid
    render action: 'edit', layout: false
  end

  def show_on_stock_article_update # See publish/subscribe design pattern in /doc.
    @stock_article = StockArticle.find(params[:id])

    render layout: false
  end

  def destroy
    @stock_article = StockArticle.find(params[:id])
    @stock_article.mark_as_deleted
    render layout: false
  rescue StandardError => e
    render partial: 'destroy_fail', layout: false,
           locals: { fail_msg: I18n.t('errors.general_msg', msg: e.message) }
  end

  # TODO: Fix this!!
  def articles_search
    @articles = Article.not_in_stock.limit(8).where('name LIKE ?', "%#{params[:term]}%")
    render json: @articles.map(&:name)
  end
end