Linked Vendors to Participants via Service Contracts

app/controllers/participants_controller.rb

@@ -7,13 +7,15 @@ class ParticipantsController < ApplicationController
   
 
   def show
-    @participant = Participant.includes(:employments).find(params[:id])
+    @participant = Participant.includes(:employments, :service_contracts).find(params[:id])
     @workers = @participant.workers  # Fetch associated workers
-    @employment = Employment.new  # Initialize a new Employment object
-    @participant = Participant.includes(employments: :worker).find(params[:id])
     @employments = @participant.employments.includes(:worker).order('workers.last_name')
+    @service_contracts = @participant.service_contracts.includes(:vendor)  # Fetch associated service contracts
+    @employment = Employment.new  # Initialize a new Employment object
+    @service_contract = ServiceContract.new  # Initialize a new Service Contract object
   end
   
+  
 
   def new
     @participant = Participant.new
@@ -74,6 +76,25 @@ class ParticipantsController < ApplicationController
       render 'show'
     end
   end
+
+  def link_vendor
+    @participant = Participant.find(params[:id])
+    @service_contract = @participant.service_contracts.new(service_contract_params)
+  
+    if @service_contract.save
+      redirect_to @participant, notice: 'Vendor was successfully linked.'
+    else
+      flash[:alert] = @service_contract.errors.full_messages.to_sentence
+      render 'show'
+    end
+  end
+  
+  private
+  
+  def service_contract_params
+    # Define your service contract parameters here
+  end
+  
   
   
   private
@@ -122,5 +143,10 @@ class ParticipantsController < ApplicationController
   def employment_params
     params.require(:employment).permit(:worker_id, :start_date, :end_date)
   end
+
+  def service_contract_params
+    params.require(:service_contract).permit(:vendor_id, :start_date, :end_date)
+  end
+  
   
 end

app/controllers/service_contracts_controller.rb

@@ -0,0 +1,43 @@
+class ServiceContractsController < ApplicationController
+    before_action :set_service_contract, only: [:edit, :update, :destroy]
+  
+    def new
+      @service_contract = ServiceContract.new
+    end
+  
+    def create
+      @service_contract = ServiceContract.new(service_contract_params)
+      if @service_contract.save
+        redirect_to participant_path(@service_contract.participant), notice: 'Service contract was successfully created.'
+      else
+        render :new
+      end
+    end
+  
+    def edit
+    end
+  
+    def update
+      if @service_contract.update(service_contract_params)
+        redirect_to participant_path(@service_contract.participant), notice: 'Service contract was successfully updated.'
+      else
+        render :edit
+      end
+    end
+  
+    def destroy
+      @service_contract.destroy
+      redirect_to participant_path(@service_contract.participant), notice: 'Service contract was successfully destroyed.'
+    end
+  
+    private
+  
+    def set_service_contract
+      @service_contract = ServiceContract.find(params[:id])
+    end
+  
+    def service_contract_params
+      params.require(:service_contract).permit(:start_date, :end_date, :participant_id, :vendor_id)
+    end
+  end
+  

app/controllers/vendors_controller.rb

@@ -38,6 +38,18 @@ class VendorsController < ApplicationController
       @vendor.destroy
       redirect_to vendors_path
     end
+
+    def search
+      if params[:term].present?
+        @vendors = Vendor.where("name LIKE ?", "%#{params[:term]}%")
+      else
+        @vendors = Vendor.none
+      end
+  
+      # Respond with a JSON array of vendor names and IDs
+      render json: @vendors.map { |vendor| { label: vendor.name, value: vendor.id } }
+    end
+  
   
     private
     def vendor_params

app/helpers/service_contracts_helper.rb

@@ -0,0 +1,2 @@
+module ServiceContractsHelper
+end

app/models/participant.rb

@@ -3,6 +3,8 @@ class Participant < ApplicationRecord
   belongs_to :employer, optional: true
   has_many :employments
   has_many :workers, through: :employments
+  has_many :service_contracts
+  has_many :vendors, through: :service_contracts
 
   # Validations
   validates :first_name, presence: true

app/models/service_contract.rb

@@ -0,0 +1,4 @@
+class ServiceContract < ApplicationRecord
+  belongs_to :participant
+  belongs_to :vendor
+end

app/models/vendor.rb

@@ -1,5 +1,6 @@
 class Vendor < ApplicationRecord
   # Many-to-many relationships
-  has_and_belongs_to_many :participants
   has_and_belongs_to_many :employers
+  has_many :service_contracts
+  has_many :participants, through: :service_contracts
 end

app/views/participants/show.html.erb

@@ -150,3 +150,86 @@ $(document).ready(function() {
 });
 </script>
 
+
+<h2 class="mt-4">Linked Vendors</h2>
+<% if @service_contracts.present? %>
+  <table class="table table-striped">
+    <thead class="table-light">
+      <tr>
+        <th>Vendor Name</th>
+        <th>Start Date</th>
+        <th>End Date</th>
+        <th>Actions</th>
+      </tr>
+    </thead>
+    <tbody>
+      <% @service_contracts.each do |contract| %>
+        <tr>
+          <td><%= contract.vendor&.name || 'No Vendor Assigned' %></td>
+          <td><%= contract.start_date.strftime('%B %d, %Y') if contract.start_date.present? %></td>
+          <td><%= contract.end_date.strftime('%B %d, %Y') if contract.end_date.present? %></td>
+          <td>
+            <%= link_to vendor_path(contract.vendor), class: 'btn btn-sm btn-secondary' do %>
+              <i class="bi bi-eye"></i> <!-- Eyeball icon for 'Show' -->
+            <% end %>
+            <%= link_to edit_service_contract_path(contract), class: 'btn btn-sm btn-info' do %>
+              <i class="bi bi-pencil-fill" style="color: white;"></i> <!-- Pencil icon for 'Edit' with white color -->
+            <% end %>
+          </td>
+        </tr>
+      <% end %>
+    </tbody>
+  </table>
+<% else %>
+  <p>No service contracts available.</p>
+<% end %>
+
+<br>
+
+<%= form_with(model: [@participant, @service_contract], url: link_vendor_participant_path(@participant), method: :post, class: 'row g-3') do |form| %>
+  <div class="col-md-6">
+    <%= form.label :vendor_name, "Add New Vendor", class: 'form-label' %>
+    <%= text_field_tag :vendor_name, nil, id: 'vendor-autocomplete', class: 'form-control', placeholder: 'Start typing vendor name...' %>
+    <%= hidden_field_tag 'service_contract[vendor_id]', nil, id: 'selected-vendor-id' %>
+  </div>
+
+  <div class="col-md-3">
+    <%= form.label :start_date, class: 'form-label' %>
+    <%= form.date_field :start_date, class: 'form-control' %>
+  </div>
+
+  <div class="col-md-3">
+    <%= form.label :end_date, class: 'form-label' %>
+    <%= form.date_field :end_date, class: 'form-control' %>
+  </div>
+
+  <div class="col-12">
+    <%= form.submit "Link Vendor", class: 'btn btn-dark' %>
+  </div>
+<% end %>
+
+<%# JavaScript for Vendor Autocomplete %>
+<script>
+$(document).ready(function() {
+  $('#vendor-autocomplete').autocomplete({
+    source: function(request, response) {
+      $.ajax({
+        url: '/vendors/search', // Endpoint for searching vendors
+        dataType: "json",
+        data: { term: request.term },
+        success: function(data) {
+          response(data);
+        }
+      });
+    },
+    minLength: 2,
+    select: function(event, ui) {
+      $('#vendor-autocomplete').val(ui.item.label);
+      $('#selected-vendor-id').val(ui.item.value);
+      return false;
+    }
+  });
+});
+</script>
+
+

app/views/service_contracts/edit.html.erb

@@ -0,0 +1,39 @@
+<div class="container mt-5">
+  <div class="row justify-content-center">
+    <div class="col-md-6">
+      <h1 class="mb-4 text-center">Edit Service Contract</h1>
+
+      <%= form_with(model: @service_contract, url: service_contract_path(@service_contract), method: :patch, local: true, html: { class: 'needs-validation', novalidate: true }) do |form| %>
+        <% if @service_contract.errors.any? %>
+          <div id="error_explanation" class="alert alert-danger" role="alert">
+            <h4><%= pluralize(@service_contract.errors.count, "error") %> prohibited this service contract from being saved:</h4>
+            <ul>
+              <% @service_contract.errors.full_messages.each do |message| %>
+                <li><%= message %></li>
+              <% end %>
+            </ul>
+          </div>
+        <% end %>
+
+        <div class="mb-3">
+          <%= form.label :start_date, class: 'form-label' %>
+          <%= form.date_field :start_date, class: 'form-control' %>
+        </div>
+
+        <div class="mb-3">
+          <%= form.label :end_date, class: 'form-label' %>
+          <%= form.date_field :end_date, class: 'form-control' %>
+        </div>
+
+        <div class="actions">
+          <%= form.submit "Update Service Contract", class: 'btn btn-dark' %>
+        </div>
+      <% end %>
+
+      <div class="mt-3 d-flex justify-content-between">
+        <%= link_to 'Back to Participant', participant_path(@service_contract.participant), class: 'btn btn-secondary' %>
+        <%= link_to 'Delete Service Contract', service_contract_path(@service_contract), method: :delete, data: { confirm: 'Are you sure?' }, class: 'btn btn-danger' %>
+      </div>
+    </div>
+  </div>
+</div>

config/routes.rb

@@ -12,6 +12,7 @@ Rails.application.routes.draw do
   resources :participants do
     member do
       post 'link_worker'
+      post 'link_vendor'
     end
   end
   
@@ -19,8 +20,15 @@ Rails.application.routes.draw do
     get 'search', on: :collection
   end
   
-  resources :vendors
+  resources :vendors do
+    collection do
+      get 'search'
+    end
+  end
+  
   resources :employments, only: [:edit, :update, :destroy]
+  resources :service_contracts
+
   resources :employers do
     get 'search', on: :collection
   end

db/migrate/20240131072940_create_service_contracts.rb

@@ -0,0 +1,12 @@
+class CreateServiceContracts < ActiveRecord::Migration[7.1]
+  def change
+    create_table :service_contracts do |t|
+      t.references :participant, null: false, foreign_key: true
+      t.references :vendor, null: false, foreign_key: true
+      t.date :start_date
+      t.date :end_date
+
+      t.timestamps
+    end
+  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_01_30_051346) do
+ActiveRecord::Schema[7.1].define(version: 2024_01_31_072940) do
   create_table "employers", force: :cascade do |t|
     t.string "first_name"
     t.string "phone"
@@ -86,6 +86,17 @@ ActiveRecord::Schema[7.1].define(version: 2024_01_30_051346) do
     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
+    t.date "start_date"
+    t.date "end_date"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["participant_id"], name: "index_service_contracts_on_participant_id"
+    t.index ["vendor_id"], name: "index_service_contracts_on_vendor_id"
+  end
+
   create_table "users", force: :cascade do |t|
     t.string "email", default: "", null: false
     t.string "encrypted_password", default: "", null: false
@@ -137,4 +148,6 @@ ActiveRecord::Schema[7.1].define(version: 2024_01_30_051346) do
   add_foreign_key "employments", "workers"
   add_foreign_key "participants", "employers"
   add_foreign_key "participants", "workers"
+  add_foreign_key "service_contracts", "participants"
+  add_foreign_key "service_contracts", "vendors"
 end

test/controllers/service_contracts_controller_test.rb

@@ -0,0 +1,7 @@
+require "test_helper"
+
+class ServiceContractsControllerTest < ActionDispatch::IntegrationTest
+  # test "the truth" do
+  #   assert true
+  # end
+end

test/fixtures/service_contracts.yml

@@ -0,0 +1,13 @@
+# Read about fixtures at https://api.rubyonrails.org/classes/ActiveRecord/FixtureSet.html
+
+one:
+  participant: one
+  vendor: one
+  start_date: 2024-01-31
+  end_date: 2024-01-31
+
+two:
+  participant: two
+  vendor: two
+  start_date: 2024-01-31
+  end_date: 2024-01-31

test/models/service_contract_test.rb

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