Fixed my problem and now have correctly linked multiple form submission to more than one model and am able to update all relevant forms within the model.

app/controllers/employers_controller.rb

@@ -101,6 +101,12 @@ class EmployersController < ApplicationController
     # Handle case where Employer is not found
     redirect_to some_path, alert: 'Employer not found.'
   end
+
+  def onboarding
+    @employer = employer.find(params[:id])
+    @onboarding_items = @employer.onboarding_items.includes(:form)
+  end
+  
   
   private
 

app/controllers/forms_controller.rb

@@ -43,8 +43,9 @@ class FormsController < ApplicationController
     end
 
     def form_params
-      params.require(:form).permit(:name, :required, :program, :role)
+      params.require(:form).permit(:name, :required, :program, role_ids: [])
     end
+    
 
     def check_admin
       redirect_to(root_path, alert: "Not authorized") unless current_user.admin?

app/controllers/onboardings_controller.rb

@@ -1,5 +1,5 @@
 class OnboardingsController < ApplicationController
-  before_action :set_owner
+  before_action :set_owner, only: [:index, :submit_onboarding]
 
   def index
     # Make sure to set @owner first. If not found, you should redirect or handle the error appropriately.
@@ -34,31 +34,50 @@ class OnboardingsController < ApplicationController
   end
   
   def submit_onboarding
-    params[:onboarding_items].each do |id, item_params|
-      onboarding_item = OnboardingItem.find(id)
-      onboarding_item.update(item_params.permit(:note, :date_completed))
+    @owner = find_owner
+    onboarding_items_params.values.each do |item_params|
+      item = OnboardingItem.find_or_initialize_by(id: item_params.delete(:id))
+      item.assign_attributes(item_params)
+      item.owner = @owner
+      item.save
     end
-    redirect_to polymorphic_path([@owner]), notice: 'Onboarding information updated successfully.'
+    redirect_to polymorphic_path(@owner), notice: 'Onboarding information updated successfully.'
   end
   
 
-
   private
   
   def set_owner
-    # Example: finds "participant_id", sets @owner to the corresponding Participant object
     params.each do |name, value|
       if name =~ /(.+)_id$/
-        model = $1.classify.constantize
-        @owner = model.find_by(id: value)
-        break if @owner # Break if owner is found
+        model_name = name.match(/(.+)_id$/)[1].classify
+        @owner = model_name.constantize.find(value)
+        break
       end
     end
-    redirect_to(root_path, alert: "Owner not found.") unless @owner
+    unless @owner
+      redirect_to root_path, alert: "Owner not found."
+    end
   end
 
   def onboarding_items_params
-    # Ensure you permit the correct parameters based on your form fields
-    params.require(:onboarding_item).permit(:form_id, :note, :date_completed)
+    params.permit(onboarding_items: [:id, :note, :date_completed]).fetch(:onboarding_items, {})
   end
-end
+
+  def find_owner
+  # Check each expected owner type and find the corresponding record
+    if params[:participant_id]
+      @owner = Participant.find(params[:participant_id])
+    elsif params[:employer_id]
+      @owner = Employer.find(params[:employer_id])
+    elsif params[:worker_id]
+      @owner = Worker.find(params[:worker_id])
+    elsif params[:vendor_id]
+      @owner = Vendor.find(params[:vendor_id])
+    else
+    # Handle the case where no recognized owner parameter is provided
+      redirect_to root_path, alert: "Owner not found."
+    return nil
+    end
+  end
+end

app/helpers/onboardings_helper.rb

@@ -1,13 +1,16 @@
 module OnboardingsHelper
-    def submit_onboarding_path_helper(owner)
-        case owner
-        when Participant
-          submit_onboarding_participant_onboardings_path(owner)
-        when Worker
-          submit_onboarding_worker_onboardings_path(owner)
-        # Add cases for other owner types
-        else
-          root_path # Fallback path
-        end
-      end
-end
+  def submit_onboarding_polymorphic_path(owner)
+    case owner
+    when Participant
+      submit_onboarding_participant_onboardings_path(owner)
+    when Worker
+      submit_onboarding_worker_onboardings_path(owner)
+    when Vendor
+      submit_onboarding_vendor_onboardings_path(owner)
+    when Employer
+      submit_onboarding_employer_onboardings_path(owner)
+    else
+      root_path # Default path if owner type is unrecognized
+    end
+  end
+end

app/models/employer.rb

@@ -14,6 +14,8 @@ class Employer < ApplicationRecord
     "#{first_name} #{last_name}"
   end
 
+  has_many :onboarding_items, as: :owner
+  accepts_nested_attributes_for :onboarding_items
   
   class Employer < ApplicationRecord
     # Associations and other methods as before...
@@ -30,5 +32,19 @@ class Employer < ApplicationRecord
       end
     end
   end
-end
+
+  def create_onboarding_items_for_forms
+    # Ensure there's a 'Role' model with an association set up between Forms and Roles.
+    employer_role = Role.find_by(name: 'Employer')
+    return unless employer_role
+  
+    # Fetch all forms associated with the 'Employer' role.
+    forms = Form.joins(:roles).where(roles: { id: employer_role.id })
+    forms.each do |form|
+      self.onboarding_items.find_or_create_by(form: form)
+    end
+  end
+  
+end
+
   

app/models/form.rb

@@ -1,6 +1,9 @@
 class Form < ApplicationRecord
     # Assuming each form can have many onboarding items associated with different owners.
     has_many :onboarding_items
+    has_many :forms_roles
+    has_many :roles, through: :forms_roles
+    accepts_nested_attributes_for :forms_roles, allow_destroy: true
     
     validates :name, presence: true
     validates :role, inclusion: { in: %w[Participant Worker Vendor Employer] }
@@ -11,13 +14,13 @@ class Form < ApplicationRecord
     private
   
     def update_onboarding_items
-      # Dynamically find the model class based on the role. Ensure 'role' matches your model name exactly.
-      owner_class = role.constantize
-  
-      # For each instance of the model, find or create an onboarding item linked to this form.
-      owner_class.find_each do |owner|
-        OnboardingItem.find_or_create_by(owner: owner, form: self)
+      roles.each do |role|
+        # Assuming `role.name` is 'Participant', 'Worker', 'Vendor', or 'Employer'
+        owner_class = role.name.constantize
+    
+        owner_class.find_each do |owner|
+          OnboardingItem.find_or_create_by(owner: owner, form: self)
+        end
       end
     end
-  end
-  
+  end

app/models/forms_role.rb

@@ -0,0 +1,6 @@
+class FormsRole < ApplicationRecord
+  belongs_to :form
+  belongs_to :role
+  attribute :note, :string
+  attribute :date_completed, :date
+end

app/models/participant.rb

@@ -31,10 +31,15 @@ class Participant < ApplicationRecord
   end
 
   def create_onboarding_items_for_forms
-    # Fetch all forms relevant to participants
-    forms = Form.where(role: 'Participant')
+    # Ensure there's a 'Role' model with an association set up between Forms and Roles.
+    participant_role = Role.find_by(name: 'Participant')
+    return unless participant_role
+  
+    # Fetch all forms associated with the 'Participant' role.
+    forms = Form.joins(:roles).where(roles: { id: participant_role.id })
     forms.each do |form|
-      self.onboarding_items.create(form: form)
+      self.onboarding_items.find_or_create_by(form: form)
     end
   end
+  
 end

app/models/role.rb

@@ -0,0 +1,4 @@
+class Role < ApplicationRecord
+    has_many :forms_roles
+    has_many :forms, through: :forms_roles
+  end

app/models/vendor.rb

@@ -4,6 +4,8 @@ class Vendor < ApplicationRecord
   has_many :service_contracts
   has_many :participants, through: :service_contracts
   has_many :bank_accounts, as: :owner
+  has_many :onboarding_items, as: :owner
+  accepts_nested_attributes_for :onboarding_items
 
   # Validations
   validates :tin, uniqueness: true, allow_blank: true, presence: true

app/models/worker.rb

@@ -9,6 +9,9 @@ class Worker < ApplicationRecord
   has_many :employers, through: :participants, source: :employer
   has_many :employer_records, through: :participants
 
+  has_many :onboarding_items, as: :owner
+  accepts_nested_attributes_for :onboarding_items
+
   # Validations
   validates :first_name, presence: true
   validates :last_name, presence: true

app/views/forms/_form.html.erb

@@ -26,8 +26,8 @@
   </div>
 
   <div class="mb-3">
-    <%= f.label :role, 'Who/Role', class: 'form-label' %>
-    <%= f.text_field :role, class: 'form-control', placeholder: 'Enter role' %>
+    <%= f.label :role_ids, 'Roles', class: 'form-label' %>
+    <%= f.collection_select :role_ids, Role.all, :id, :name, {}, { multiple: true, class: "form-control" } %>
   </div>
 
   <div class="actions">

app/views/forms/index.html.erb

@@ -21,7 +21,7 @@
         <td><%= form.name %></td>
         <td><%= form.required ? 'Required' : 'Optional' %></td>
         <td><%= form.program %></td>
-        <td><%= form.role %></td>
+        <td><%= form.roles.map(&:name).join(", ") %></td>
         <td>
           <%= link_to edit_form_path(form), class: 'btn btn-info btn-sm' do %>
             <i class="bi bi-pencil-fill" style="color: white;"></i>

app/views/onboardings/index.html.erb

@@ -1,44 +1,42 @@
 <div class="container mt-5">
-  <div class="row justify-content-center">
-    <div class="col-md-8">
-      <h1 class="mb-4 text-center">Onboarding Forms</h1>
-
-      <%= form_with(model: [@owner, OnboardingItem.new], url: submit_onboarding_path_helper(@owner), local: true, html: { class: 'needs-validation', novalidate: true }) do |form| %>
-        <table class="table">
-          <thead class="table-light">
-            <tr>
-              <th>Form Name</th>
-              <th>Notes</th>
-              <th>Date Completed</th>
-            </tr>
-          </thead>
-          <tbody>
-            <% @onboarding_items.each do |item| %>
-              <tr>
-                <td><%= item.form.name %></td>
-                <td>
-                  <%= text_area_tag "onboarding_items[#{item.id}][note]", item.note, class: "form-control", rows: 1 %>
-                </td>
-                <td>
-                  <%= date_field_tag "onboarding_items[#{item.id}][date_completed]", item.date_completed, class: "form-control" %>
-                </td>
-              </tr>
-            <% end %>
-          </tbody>
-        </table>
-
-        <div class="actions mt-4">
-          <%= form.submit 'Save', class: 'btn btn-dark' %>
-        </div>
-      <% end %>
-
-      <div class="mt-3 text-center">
-        <%= link_to 'Back', polymorphic_path(@owner), class: 'btn btn-secondary' %>
-      </div>
-    </div>
-  </div>
+  <h1 class="mb-4 text-center">Onboarding</h1>
 </div>
 
+<%= form_with(model: [@owner, OnboardingItem.new], url: submit_onboarding_polymorphic_path(@owner), local: true, html: { class: 'needs-validation', novalidate: true }) do |form| %>
+  <table class="table">
+    <thead class="table-light">
+      <tr>
+        <th>Form Name</th>
+        <th>Notes</th>
+        <th>Date Completed</th>
+      </tr>
+    </thead>
+    <tbody>
+      <% @onboarding_items.each_with_index do |item, index| %>
+        <tr>
+          <td><%= item.form.name %></td>
+          <td>
+            <%= text_area_tag "onboarding_items[#{index}][note]", item.note, id: "onboarding_items_#{index}_note", class: "form-control", rows: 1 %>
+          </td>
+          <td>
+            <%= date_field_tag "onboarding_items[#{index}][date_completed]", item.date_completed, id: "onboarding_items_#{index}_date_completed", class: "form-control" %>
+          </td>
+          <%= hidden_field_tag "onboarding_items[#{index}][id]", item.id %>
+        </tr>
+      <% end %>
+    </tbody>
+  </table>
+
+  <div class="actions mt-4">
+    <%= form.submit 'Save', class: 'btn btn-dark' %>
+  </div>
+<% end %>
+
+<div class="mt-3 text-center">
+  <%= link_to 'Back', polymorphic_path(@owner), class: 'btn btn-secondary' %>
+</div>
+
+
 <%# This is for resizing Notes area %>
 <script>
 document.addEventListener('DOMContentLoaded', function() {

config/routes.rb

@@ -32,8 +32,11 @@ Rails.application.routes.draw do
   
   
    resources :workers do
-    resources :onboardings, only: [:index, :create, :update]
-      post 'submit_onboarding', on: :collection
+    resources :onboardings, only: [:index, :create, :update] do
+      collection do
+        post 'submit_onboarding'
+      end
+    end
     resources :bank_accounts, only: [:index, :new, :create, :edit, :update, :destroy] 
     member do
       post 'link_participant'
@@ -44,8 +47,11 @@ Rails.application.routes.draw do
   
   
   resources :vendors do
-    resources :onboardings, only: [:index, :create, :update]
-    post 'submit_onboarding', on: :collection
+    resources :onboardings, only: [:index, :create, :update] do
+      collection do
+        post 'submit_onboarding'
+      end
+    end
     resources :bank_accounts, only: [:index, :new, :create, :edit, :update, :destroy] 
     collection do
       get 'search'
@@ -62,13 +68,19 @@ Rails.application.routes.draw do
   resources :service_contracts
 
   resources :employers do
-    resources :onboardings, only: [:index, :create, :update]
-      post 'submit_onboarding', on: :collection
-    member do
-      post "link_worker"
+    resources :onboardings, only: [:index, :create, :update] do
+      collection do
+        post 'submit_onboarding'
+      end
+    end
+    member do
+      post 'link_worker'
+    end
+    collection do
+      get 'search'
     end
-    get 'search', on: :collection
   end
+  
 
   resources :forms
   resources :users

db/migrate/20240217055057_create_roles.rb

@@ -0,0 +1,9 @@
+class CreateRoles < ActiveRecord::Migration[7.1]
+  def change
+    create_table :roles do |t|
+      t.string :name
+
+      t.timestamps
+    end
+  end
+end

db/migrate/20240217055118_create_forms_roles.rb

@@ -0,0 +1,11 @@
+class CreateFormsRoles < ActiveRecord::Migration[7.1]
+  def change
+    create_table :forms_roles do |t|
+      t.references :form, null: false, foreign_key: true
+      t.references :role, null: false, foreign_key: true
+
+
+      t.timestamps
+    end
+  end
+end

db/migrate/20240217063851_add_note_to_forms_roles.rb

@@ -0,0 +1,5 @@
+class AddNoteToFormsRoles < ActiveRecord::Migration[7.1]
+  def change
+    add_column :forms_roles, :note, :string
+  end
+end

db/migrate/20240217063857_add_date_completed_to_forms_roles.rb

@@ -0,0 +1,5 @@
+class AddDateCompletedToFormsRoles < ActiveRecord::Migration[7.1]
+  def change
+    add_column :forms_roles, :date_completed, :date
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[7.1].define(version: 2024_02_17_005105) do
+ActiveRecord::Schema[7.1].define(version: 2024_02_17_063857) do
   create_table "bank_accounts", force: :cascade do |t|
     t.string "institution_name"
     t.string "account_type"
@@ -81,6 +81,17 @@ ActiveRecord::Schema[7.1].define(version: 2024_02_17_005105) do
     t.string "role"
   end
 
+  create_table "forms_roles", force: :cascade do |t|
+    t.integer "form_id", null: false
+    t.integer "role_id", null: false
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.string "note"
+    t.date "date_completed"
+    t.index ["form_id"], name: "index_forms_roles_on_form_id"
+    t.index ["role_id"], name: "index_forms_roles_on_role_id"
+  end
+
   create_table "onboarding_items", force: :cascade do |t|
     t.integer "form_id"
     t.text "note"
@@ -132,6 +143,12 @@ ActiveRecord::Schema[7.1].define(version: 2024_02_17_005105) do
     t.datetime "updated_at", null: false
   end
 
+  create_table "roles", force: :cascade do |t|
+    t.string "name"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+  end
+
   create_table "service_contracts", force: :cascade do |t|
     t.integer "participant_id", null: false
     t.integer "vendor_id", null: false
@@ -197,6 +214,8 @@ ActiveRecord::Schema[7.1].define(version: 2024_02_17_005105) do
   add_foreign_key "employer_records", "participants"
   add_foreign_key "employments", "participants"
   add_foreign_key "employments", "workers"
+  add_foreign_key "forms_roles", "forms"
+  add_foreign_key "forms_roles", "roles"
   add_foreign_key "participants", "employers"
   add_foreign_key "participants", "workers"
   add_foreign_key "service_contracts", "participants"

db/seeds.rb

@@ -7,3 +7,9 @@
 #   ["Action", "Comedy", "Drama", "Horror"].each do |genre_name|
 #     MovieGenre.find_or_create_by!(name: genre_name)
 #   end
+
+
+roles = ['Participant', 'Employer', 'Worker', 'Vendor']
+roles.each do |role_name|
+  Role.find_or_create_by(name: role_name)
+end

test/fixtures/forms_roles.yml

@@ -0,0 +1,9 @@
+# Read about fixtures at https://api.rubyonrails.org/classes/ActiveRecord/FixtureSet.html
+
+one:
+  form: one
+  role: one
+
+two:
+  form: two
+  role: two

test/fixtures/roles.yml

@@ -0,0 +1,7 @@
+# Read about fixtures at https://api.rubyonrails.org/classes/ActiveRecord/FixtureSet.html
+
+one:
+  name: MyString
+
+two:
+  name: MyString

test/models/forms_role_test.rb

@@ -0,0 +1,7 @@
+require "test_helper"
+
+class FormsRoleTest < ActiveSupport::TestCase
+  # test "the truth" do
+  #   assert true
+  # end
+end

test/models/role_test.rb

@@ -0,0 +1,7 @@
+require "test_helper"
+
+class RoleTest < ActiveSupport::TestCase
+  # test "the truth" do
+  #   assert true
+  # end
+end