Set up all models and relationships between them

app/models/employer.rb

@@ -0,0 +1,6 @@
+class Employer < ApplicationRecord
+    has_many :participants
+    has_many :workers, through: :participants
+    # Association with Vendor if needed
+  end
+  

app/models/participant.rb

@@ -0,0 +1,5 @@
+class Participant < ApplicationRecord
+  belongs_to :employer
+  has_and_belongs_to_many :programs
+  has_many :workers
+end

app/models/program.rb

@@ -0,0 +1,4 @@
+class Program < ApplicationRecord
+    has_and_belongs_to_many :participants
+  end
+  

app/models/vendor.rb

@@ -0,0 +1,5 @@
+class Vendor < ApplicationRecord
+  # Many-to-many relationships
+  has_and_belongs_to_many :participants
+  has_and_belongs_to_many :employers
+end

app/models/worker.rb

@@ -0,0 +1,7 @@
+class Worker < ApplicationRecord
+  # One-to-many relationship with Participants
+  has_many :participants
+
+  # Many-to-many relationship with Employers through Participants
+  has_many :employers, through: :participants
+end

db/migrate/20240117023456_create_participants.rb

@@ -0,0 +1,17 @@
+class CreateParticipants < ActiveRecord::Migration[7.1]
+  def change
+    create_table :participants do |t|
+      t.string :name
+      t.string :address
+      t.string :phone
+      t.string :email
+      t.string :mci
+      t.date :dob
+      t.string :ssn
+      t.string :gender
+      t.references :employer, null: false, foreign_key: true
+
+      t.timestamps
+    end
+  end
+end

db/migrate/20240117023520_create_employers.rb

@@ -0,0 +1,16 @@
+class CreateEmployers < ActiveRecord::Migration[7.1]
+  def change
+    create_table :employers do |t|
+      t.string :name
+      t.string :address
+      t.string :phone
+      t.string :email
+      t.string :tin
+      t.date :dob
+      t.string :ssn
+      t.string :gender
+
+      t.timestamps
+    end
+  end
+end

db/migrate/20240117023541_create_workers.rb

@@ -0,0 +1,15 @@
+class CreateWorkers < ActiveRecord::Migration[7.1]
+  def change
+    create_table :workers do |t|
+      t.string :name
+      t.string :address
+      t.string :phone
+      t.string :email
+      t.date :dob
+      t.string :ssn
+      t.string :gender
+
+      t.timestamps
+    end
+  end
+end

db/migrate/20240117023553_create_vendors.rb

@@ -0,0 +1,15 @@
+class CreateVendors < ActiveRecord::Migration[7.1]
+  def change
+    create_table :vendors do |t|
+      t.string :name
+      t.string :address
+      t.string :phone
+      t.string :email
+      t.string :dba
+      t.string :tin
+      t.string :contact_name
+
+      t.timestamps
+    end
+  end
+end

db/migrate/20240117023614_create_programs.rb

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

db/migrate/20240117024001_create_join_table_participant_program.rb

@@ -0,0 +1,8 @@
+class CreateJoinTableParticipantProgram < ActiveRecord::Migration[7.1]
+  def change
+    create_join_table :participants, :programs do |t|
+      # t.index [:participant_id, :program_id]
+      # t.index [:program_id, :participant_id]
+    end
+  end
+end

db/migrate/20240117025000_add_worker_to_participants.rb

@@ -0,0 +1,5 @@
+class AddWorkerToParticipants < ActiveRecord::Migration[7.1]
+  def change
+    add_reference :participants, :worker, null: false, foreign_key: true
+  end
+end

db/migrate/20240117025150_create_join_table_vendor_participant.rb

@@ -0,0 +1,8 @@
+class CreateJoinTableVendorParticipant < ActiveRecord::Migration[7.1]
+  def change
+    create_join_table :vendors, :participants do |t|
+      # t.index [:vendor_id, :participant_id]
+      # t.index [:participant_id, :vendor_id]
+    end
+  end
+end

db/migrate/20240117025159_create_join_table_vendor_employer.rb

@@ -0,0 +1,8 @@
+class CreateJoinTableVendorEmployer < ActiveRecord::Migration[7.1]
+  def change
+    create_join_table :vendors, :employers do |t|
+      # t.index [:vendor_id, :employer_id]
+      # t.index [:employer_id, :vendor_id]
+    end
+  end
+end

db/schema.rb

@@ -10,7 +10,58 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[7.1].define(version: 2024_01_15_041321) do
+ActiveRecord::Schema[7.1].define(version: 2024_01_17_025159) do
+  create_table "employers", force: :cascade do |t|
+    t.string "name"
+    t.string "address"
+    t.string "phone"
+    t.string "email"
+    t.string "tin"
+    t.date "dob"
+    t.string "ssn"
+    t.string "gender"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+  end
+
+  create_table "employers_vendors", id: false, force: :cascade do |t|
+    t.integer "vendor_id", null: false
+    t.integer "employer_id", null: false
+  end
+
+  create_table "participants", force: :cascade do |t|
+    t.string "name"
+    t.string "address"
+    t.string "phone"
+    t.string "email"
+    t.string "mci"
+    t.date "dob"
+    t.string "ssn"
+    t.string "gender"
+    t.integer "employer_id", null: false
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.integer "worker_id", null: false
+    t.index ["employer_id"], name: "index_participants_on_employer_id"
+    t.index ["worker_id"], name: "index_participants_on_worker_id"
+  end
+
+  create_table "participants_programs", id: false, force: :cascade do |t|
+    t.integer "participant_id", null: false
+    t.integer "program_id", null: false
+  end
+
+  create_table "participants_vendors", id: false, force: :cascade do |t|
+    t.integer "vendor_id", null: false
+    t.integer "participant_id", null: false
+  end
+
+  create_table "programs", force: :cascade do |t|
+    t.string "name"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+  end
+
   create_table "users", force: :cascade do |t|
     t.string "email", default: "", null: false
     t.string "encrypted_password", default: "", null: false
@@ -23,4 +74,30 @@ ActiveRecord::Schema[7.1].define(version: 2024_01_15_041321) do
     t.index ["reset_password_token"], name: "index_users_on_reset_password_token", unique: true
   end
 
+  create_table "vendors", force: :cascade do |t|
+    t.string "name"
+    t.string "address"
+    t.string "phone"
+    t.string "email"
+    t.string "dba"
+    t.string "tin"
+    t.string "contact_name"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+  end
+
+  create_table "workers", force: :cascade do |t|
+    t.string "name"
+    t.string "address"
+    t.string "phone"
+    t.string "email"
+    t.date "dob"
+    t.string "ssn"
+    t.string "gender"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+  end
+
+  add_foreign_key "participants", "employers"
+  add_foreign_key "participants", "workers"
 end

test/fixtures/employers.yml

@@ -0,0 +1,21 @@
+# Read about fixtures at https://api.rubyonrails.org/classes/ActiveRecord/FixtureSet.html
+
+one:
+  name: MyString
+  address: MyString
+  phone: MyString
+  email: MyString
+  tin: MyString
+  dob: 2024-01-16
+  ssn: MyString
+  gender: MyString
+
+two:
+  name: MyString
+  address: MyString
+  phone: MyString
+  email: MyString
+  tin: MyString
+  dob: 2024-01-16
+  ssn: MyString
+  gender: MyString

test/fixtures/participants.yml

@@ -0,0 +1,23 @@
+# Read about fixtures at https://api.rubyonrails.org/classes/ActiveRecord/FixtureSet.html
+
+one:
+  name: MyString
+  address: MyString
+  phone: MyString
+  email: MyString
+  mci: MyString
+  dob: 2024-01-16
+  ssn: MyString
+  gender: MyString
+  employer: one
+
+two:
+  name: MyString
+  address: MyString
+  phone: MyString
+  email: MyString
+  mci: MyString
+  dob: 2024-01-16
+  ssn: MyString
+  gender: MyString
+  employer: two

test/fixtures/programs.yml

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

test/fixtures/vendors.yml

@@ -0,0 +1,19 @@
+# Read about fixtures at https://api.rubyonrails.org/classes/ActiveRecord/FixtureSet.html
+
+one:
+  name: MyString
+  address: MyString
+  phone: MyString
+  email: MyString
+  dba: MyString
+  tin: MyString
+  contact_name: MyString
+
+two:
+  name: MyString
+  address: MyString
+  phone: MyString
+  email: MyString
+  dba: MyString
+  tin: MyString
+  contact_name: MyString

test/fixtures/workers.yml

@@ -0,0 +1,19 @@
+# Read about fixtures at https://api.rubyonrails.org/classes/ActiveRecord/FixtureSet.html
+
+one:
+  name: MyString
+  address: MyString
+  phone: MyString
+  email: MyString
+  dob: 2024-01-16
+  ssn: MyString
+  gender: MyString
+
+two:
+  name: MyString
+  address: MyString
+  phone: MyString
+  email: MyString
+  dob: 2024-01-16
+  ssn: MyString
+  gender: MyString

test/models/employer_test.rb

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

test/models/participant_test.rb

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

test/models/program_test.rb

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

test/models/vendor_test.rb

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

test/models/worker_test.rb

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