Unable to assign the medical_record_form's :id to Resident.medications, and assign Resident.medications as MedicalRecordForm.medications

medical_record_forms_controller.rb

class MedicalRecordFormsController < ApplicationController
  before_action :account
  before_action :resident
  
  def index
    @medical_record_forms = resident.medical_record_forms
  end

  def new
    @medical_record_form = resident.medical_record_forms.build
    @medications = resident.medications

    # Prepopulates medical_record_forms/new template with Resident.medications
    # The attempt to store the medical_record_form_id is unsuccessful here it appears
    @medications.each do |med|
      med.medical_record_form_id = params[:id]
      @medical_record_form.medications << med
      @medical_record_form.medications.each do |m|
        m.medical_record_form_id = params[:id]
      end
    end
    # @medical_record_form.medications.build
  end

  def create
    # I also tried create, and build on line 27
    # This throws the following error: Couldn't find Medication with ID=241 for MedicalRecordForm with ID=
    @medical_record_form = resident.medical_record_forms.new(medical_record_form_params)
    @medications = resident.medications
    # Another attempt to assign the medical_record_form_id to each Resident.medication
    @medications.each do |med|
      med.medical_record_form_id = params[:id]
      @medical_record_form.medications << med
    end
    
    @medical_record_form.save!

    if @medical_record_form.save
      flash[:success] = "Medical record was created!"
      redirect_to([resident, @medical_record_form])
    else
      flash.now[:error] = "There was a problem with the form."
      render(:new)
    end
  end

  def show
    @medical_record_form = resident.medical_record_forms.find(params[:id])
    @tmp_vars[:css_file] = "/../app/assets/stylesheets/nifty/bootstrap.min"
    pdf_file_name = "#{resident.first_name.downcase}_#{resident.last_name.downcase}_medication_record_#{@medical_record_form.created_at.month}_#{@medical_record_form.created_at.day}_#{@medical_record_form.created_at.year}"

    respond_to do |format|
      format.html
      format.pdf do
        render pdf: "show",
        template: 'medical_record_forms/show.pdf.erb',
        layout: "pdf", # or false
        page_size: "letter",
        no_background: true,
        title: pdf_file_name,
        locals: @tmp_vars
      end
    end
  end

  def edit
    @medical_record_form = resident.medical_record_forms.find(params[:id])
    med_by_group
  end

  def update
    @medical_record_form = resident.medical_record_forms.find(params[:id])
    if @medical_record_form.update_attributes(medical_record_form_params)
      flash[:success] = "Medical record updated!"
      redirect_to([resident, @medical_record_form])
    else
      flash.now[:error] = "Unable to update form."
    end
  end

  def destroy
    @medical_record_form = resident.medical_record_forms.find(params[:id])
    flash.now[:warning] = "You sure?"
    @medical_record_form.delete
    redirect_to(resident_medical_record_forms_path(resident))
  end

  private

  def med_by_group
    resident.medications.each do |med|
      current_time = Time.zone.now

      if med.give_at_morning == true && med.time_at_morning?(current_time)
        @medications = resident.medications.where(account_id: resident.account_id, resident_id: resident.id, give_at_morning: true)
      elsif med.give_at_mid_day == true && med.time_at_mid_day?(current_time)
        @medications = resident.medications.where(account_id: resident.account_id, resident_id: resident.id, give_at_mid_day: true)
      elsif med.give_at_evening == true && med.time_at_evening?(current_time)
        @medications = resident.medications.where(account_id: resident.account_id, resident_id: resident.id, give_at_evening: true)
      else
        "This isn't bullet-proof yet, kind sire."
      end
    end
  end

  def account
    @account = Account.where(id: current_account.id).first
  end
  helper_method :account

  def employee
    @employee = Employee.where(account_id: current_account.id, id: resident.employee_id).first
  end
  helper_method :employee

  def resident
    @resident = Resident.where(account_id: account.id, id: params[:resident_id]).first
  end
  helper_method :resident

  def medications
    @medications = med_by_group
  end

  def list_current_time_group
    current_time = Time.zone.now

    if Medication.time_at_morning?(current_time)
      "Morning"
    elsif Medication.time_at_mid_day?(current_time)
      "Mid-day"
    elsif Medication.time_at_evening?(current_time)
      "Evening"
    else
      "Something isn't right, the 3 groups should cover a 24 hour period"
    end
  end
  helper_method :list_current_time_group

  def medical_record_form_params
    medical_record_form_params = params[:medical_record_form]
    medical_record_form_params ? medical_record_form_params.permit(
                                                                    :account_id,
                                                                    :employee_id,
                                                                    :resident_id,
                                                                    :date_of_record,
                                                                    medications_attributes:
                                                                    [
                                                                      :account_id,
                                                                      :employee_id,
                                                                      :resident_id,
                                                                      :medical_record_form_id,
                                                                      :id,
                                                                      :_destroy,
                                                                      :name,
                                                                      :dosage,
                                                                      :time_taken,
                                                                      :give_at_morning,
                                                                      :give_at_mid_day,
                                                                      :give_at_evening,
                                                                      :instructions,
                                                                      :usage_type,
                                                                      :date_of_record
                                                                    ]
                                                                  ) : { }
  end
end