case_controller.rb

class CasesController < ApplicationController
  def index
    @cases = Case.all
  end

  def show
    @case = Case.find(params[:id])
    @casepos_b = CasePosition.where(case_id: params[:id], buysell: "buyer")
    @casepos_s = CasePosition.where(case_id: params[:id], buysell: "seller")
    @casedoc_b =  CaseDoc.where(case_id: params[:id], buysell: "buyer").order(:doctype)
    @casedoc_s =  CaseDoc.where(case_id: params[:id], buysell: "seller").order(:doctype)
    @casebuh_b =  CaseBuh.where(case_id: params[:id], buysell: "buyer")
    @casebuh_s =  CaseBuh.where(case_id: params[:id], buysell: "seller")

    @casebuh = CaseBuh.new

   #@statuses = ["0", "a_value1", "0", "a_value2", "0"]

  end

  def new
    @case = Case.new
  end

  def create
    @case = Case.new(case_params)
    @case.casedate = DateTime.now

    if @case.save
      create_case_docs(@case.id)
      #flash[:success] = "Кейс был создан успешно"
      redirect_to case_path(@case.id)
    else
      #flash[:success] = "Не удалось создать Кейс"
      render 'new'
    end
  end


############# ДОБАВЛЕНИЕ СТРОК В КЕЙС ########################################
  def add_case_pos_row
    env["HTTP_REFERER"] += '#pos-anc'

    cp = CasePosition.new
    cp.case_id    = params[:case_id]
    cp.product_id = params[:product_id][:id]
    cp.count      = params[:count]
    cp.cost       = params[:cost]
    cp.sum        = params[:sum]
    cp.buysell    = params[:buysell]
    cp.date_load  = params[:date_load][:date_load]
    cp.consignee  = params[:consignee][:id]

    if cp.save
      refresh_case_total(params[:case_id], params[:buysell])
    end
    redirect_to :back
  end

  def refresh_case_doc_row
    env["HTTP_REFERER"] += '#doc-anc' #for anchor position returning
    if params[:doctype_id][:doctype_id].present?
      cd = CaseDoc.find_by(case_id: params[:case_id], buysell: params[:buysell], doctype: params[:doctype_id][:doctype_id])
      #binding.pry
      cd.docname = params[:docname]
      cd.docstatus = params[:docstatus][:docstatus]
    end
    redirect_to :back
  end

  def add_case_buh_row
    env["HTTP_REFERER"] += '#buh-anc'

    par = params[:case_buh]
    #@casebuh = CaseBuh.new
    @casebuh.case_id  = par[:case_id]
    @casebuh.sum      = par[:sum]
    @casebuh.date_buh = par[:date_buh]
    @casebuh.buysell  = par[:buysell]
    @casebuh.save

    redirect_to :back

  end
###################################################################################################################

def refresh_case_total(case_id, buysell)
  this_case = Case.find(case_id)
  this_case_poses = CasePosition.where(case_id: case_id, buysell: buysell)
  sum = view_context.get_total(this_case_poses)

  case
    when buysell == "buyer"
      this_case.sum_buy = sum
    when buysell == "seller"
      this_case.sum_sell = sum
    end
  this_case.save
end


  private

  def case_params
    params.require(:case).permit(:casedate, :company_id,:path,
      :buyer_id,  :currency_buy,  :pdate_buy, :contact_buy,   :comment_buy,
      :seller_id, :currency_sell, :pdate_sell, :contact_sell, :comment_sell)
  end

  def create_case_docs(case_id)
    doctypes = Doctype.all
    doctypes.each do |doctype|
      cd = CaseDoc.new
      cd.case_id    = case_id
      cd.doctype    = doctype.id
      cd.buysell    = "buyer"
      cd.save

      cd = CaseDoc.new
      cd.case_id    = case_id
      cd.doctype    = doctype.id
      cd.buysell    = "seller"
      cd.save
    end
  end

end