Display group name in the list of guests

app/controllers/guests_controller.rb

@@ -6,14 +6,10 @@ class GuestsController < ApplicationController
   # GET /guests or /guests.json
   def index
     @guests = Guest.all
-                   .left_outer_joins(:affinity_groups)
-                   .order('tags.name' => :asc)
-                   .includes(:affinity_groups, :unbreakable_bonds)
+                   .joins(:group)
+                   .order('groups.name' => :asc)
 
-                   respond_to do |format|
-                      format.html
-                      format.json { render jsonapi: @guests }
-                   end
+      render jsonapi: @guests
   end
 
   # GET /guests/1 or /guests/1.json

app/models/group.rb

@@ -1,7 +1,9 @@
 class Group < ApplicationRecord
-    validates :name, uniqueness: true
-    validates :name, :order, presence: true
+  validates :name, uniqueness: true
+  validates :name, :order, presence: true
 
-    has_many :children, class_name: 'Group', foreign_key: 'parent_id'
-    belongs_to :parent, class_name: 'Group', optional: true
+  has_many :children, class_name: 'Group', foreign_key: 'parent_id'
+  belongs_to :parent, class_name: 'Group', optional: true
+
+  has_many :guests
 end

app/models/guest.rb

@@ -1,6 +1,6 @@
 class Guest < ApplicationRecord
   acts_as_taggable_on :affinity_groups, :unbreakable_bonds
-  
+  belongs_to :group
   def full_name
     "#{first_name} #{last_name}"
   end

app/serializers/serializable_guest.rb

@@ -1,9 +1,13 @@
 class SerializableGuest < JSONAPI::Serializable::Resource
   type 'guest'
 
-  attributes :id, :email
+  attributes :id, :email, :group_id
 
   attribute :name do
     "#{@object.first_name} #{@object.last_name}"
   end
+
+  attribute :group_name do
+    @object.group.name
+  end
 end

db/migrate/20240811154115_add_group_to_guest.rb

@@ -0,0 +1,5 @@
+class AddGroupToGuest < ActiveRecord::Migration[7.1]
+  def change
+    add_reference :guests, :group, null: false, foreign_key: true, type: :uuid
+  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_08_11_143801) do
+ActiveRecord::Schema[7.1].define(version: 2024_08_11_154115) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
 
@@ -44,6 +44,8 @@ ActiveRecord::Schema[7.1].define(version: 2024_08_11_143801) do
     t.string "phone"
     t.datetime "created_at", null: false
     t.datetime "updated_at", null: false
+    t.uuid "group_id", null: false
+    t.index ["group_id"], name: "index_guests_on_group_id"
   end
 
   create_table "seats", id: :uuid, default: -> { "gen_random_uuid()" }, force: :cascade do |t|
@@ -94,6 +96,7 @@ ActiveRecord::Schema[7.1].define(version: 2024_08_11_143801) do
   end
 
   add_foreign_key "groups", "groups", column: "parent_id"
+  add_foreign_key "guests", "groups"
   add_foreign_key "seats", "guests"
   add_foreign_key "seats", "tables_arrangements", on_delete: :cascade
   add_foreign_key "taggings", "tags"

db/seeds.rb

@@ -22,82 +22,44 @@ Expense.create!(name: 'Transportation', amount: 3000, pricing_type: 'fixed')
 Expense.create!(name: 'Invitations', amount: 200, pricing_type: 'fixed')
 Expense.create!(name: 'Cake', amount: 500, pricing_type: 'fixed')
 
-Group.create!(name: "Jim's guests", icon: "pi pi-heart").tap do |parent|
-  parent.children.create!(name: "Jim's family", icon: "pi pi-users").tap do |family|
-    family.children.create!(name: "Jim's close family", icon: "pi pi-home")
-    family.children.create!(name: "Jim's cousins", icon: "pi pi-home")
-    family.children.create!(name: "Jim's relatives", icon: "pi pi-home")
+Group.create!(name: "Jim's guests", icon: 'pi pi-heart').tap do |parent|
+  parent.children.create!(name: "Jim's family", icon: 'pi pi-users').tap do |family|
+    family.children.create!(name: "Jim's close family", icon: 'pi pi-home')
+    family.children.create!(name: "Jim's cousins", icon: 'pi pi-home')
+    family.children.create!(name: "Jim's relatives", icon: 'pi pi-home')
   end
-  parent.children.create!(name: "Jim's friends", icon: "pi pi-bullseye")
-  parent.children.create!(name: "Jim's work", icon: "pi pi-desktop").tap do |work|
-    work.children.create!(name: "Jim's besties at work", icon: "pi pi-briefcase")
-  end  
-end
-
-Group.create!(name: "Pam's guests", icon: "pi pi-heart-fill").tap do |parent|
-  parent.children.create!(name: "Pam's family", icon: "pi pi-users").tap do |family|
-    family.children.create!(name: "Pam's close family", icon: "pi pi-home")
-    family.children.create!(name: "Pam's cousins", icon: "pi pi-home")
-    family.children.create!(name: "Pam's relatives", icon: "pi pi-home")
+  parent.children.create!(name: "Jim's friends", icon: 'pi pi-bullseye')
+  parent.children.create!(name: "Jim's work", icon: 'pi pi-desktop').tap do |work|
+    work.children.create!(name: "Jim's besties at work", icon: 'pi pi-briefcase')
   end
-  parent.children.create!(name: "Pam's friends", icon: "pi pi-bullseye")
-  parent.children.create!(name: "Pam's work", icon: "pi pi-desktop").tap do |work|
-    work.children.create!(name: "Pam's besties at work", icon: "pi pi-briefcase")
-  end  
 end
 
-Group.create!(name: "Common guests", icon: "pi pi-users").tap do |parent|
-  parent.children.create!(name: "College friends", icon: "pi pi-calculator")
-  parent.children.create!(name: "High school friends", icon: "pi pi-crown")
-  parent.children.create!(name: "Childhood friends", icon: "pi pi-envelope")
+Group.create!(name: "Pam's guests", icon: 'pi pi-heart-fill').tap do |parent|
+  parent.children.create!(name: "Pam's family", icon: 'pi pi-users').tap do |family|
+    family.children.create!(name: "Pam's close family", icon: 'pi pi-home')
+    family.children.create!(name: "Pam's cousins", icon: 'pi pi-home')
+    family.children.create!(name: "Pam's relatives", icon: 'pi pi-home')
+  end
+  parent.children.create!(name: "Pam's friends", icon: 'pi pi-bullseye')
+  parent.children.create!(name: "Pam's work", icon: 'pi pi-desktop').tap do |work|
+    work.children.create!(name: "Pam's besties at work", icon: 'pi pi-briefcase')
+  end
 end
 
-samples = {
-  close_family_a: 10,
-  close_family_b: 10,
-  cousins_a: 20,
-  cousins_b: 15,
-  relatives_a: 15,
-  relatives_b: 10,
-  work_a: 10,
-  work_b: 10,
-  besties_work_a: 5,
-  besties_work_b: 5,
-  college_friends_a: 10,
-  college_friends_b: 10,
-  high_school_friends_a: 10,
-  high_school_friends_b: 10,
-  childhood_friends_a: 10,
-  childhood_friends_b: 10,
-  basket_team_a: 10,
-  football_team_a: 15,
-  dance_club: 10
-}.each_with_object([]) do |(affinity_group, count), acc|
-  count.times { acc << affinity_group }
+Group.create!(name: 'Common guests', icon: 'pi pi-users').tap do |parent|
+  parent.children.create!(name: 'College friends', icon: 'pi pi-calculator')
+  parent.children.create!(name: 'High school friends', icon: 'pi pi-crown')
+  parent.children.create!(name: 'Childhood friends', icon: 'pi pi-envelope')
 end
 
+groups = Group.all
+
 NUMBER_OF_GUESTS.times do
-  guest = Guest.create!(first_name: Faker::Name.first_name,
-                        last_name: Faker::Name.last_name,
-                        email: Faker::Internet.email,
-                        phone: Faker::PhoneNumber.cell_phone)
-
-  guest.affinity_group_list.add(samples.sample)
-  guest.save!
-end
-
-# Add unbreakable bonds
-Guest.affinity_group_counts.each do |group|
-  couples = (group.taggings_count / 4).floor
-
-  guests_involved = Guest.tagged_with(group.name).limit(couples * 2)
-  guests_involved.each_slice(2) do |a, b|
-    bond_name = "#{a.full_name} & #{b.full_name}"
-
-    a.unbreakable_bond_list.add(bond_name)
-    b.unbreakable_bond_list.add(bond_name)
-
-    a.save!
-    b.save!
-  end
+  Guest.create!(
+    first_name: Faker::Name.first_name,
+    last_name: Faker::Name.last_name,
+    email: Faker::Internet.email,
+    phone: Faker::PhoneNumber.cell_phone,
+    group: groups.sample
+  )
 end