OrganizerをRegularEventOrganizerに変更

app/models/regular_event.rb

@@ -49,7 +49,7 @@ class RegularEvent < ApplicationRecord # rubocop:disable Metrics/ClassLength
 
   scope :holding, -> { where(finished: false) }
   scope :participated_by, ->(user) { where(id: all.filter { |e| e.participated_by?(user) }.map(&:id)) }
-  scope :organizer_event, ->(user) { joins(:organizers).where(organizers: { user_id: user.id }) }
+  scope :organizer_event, ->(user) { joins(:regular_event_organizers).where(regular_event_organizers: { user: user }) }
   scope :scheduled_on, ->(date) { holding.filter { |event| event.scheduled_on?(date) } }
   scope :scheduled_on_without_ended, ->(date) { holding.filter { |event| event.scheduled_on?(date) && !event.ended?(date) } }
 
@@ -69,10 +69,8 @@ class RegularEvent < ApplicationRecord # rubocop:disable Metrics/ClassLength
   }
 
   belongs_to :user
-  has_many :organizers, dependent: :destroy
-  # TODO: テーブル名を変更したら修正する
-  has_many :regular_event_organizers, class_name: 'Organizer', dependent: :destroy
-  has_many :users, through: :organizers
+  has_many :regular_event_organizers, dependent: :destroy
+  has_many :users, through: :regular_event_organizers
   has_many :regular_event_repeat_rules, dependent: :destroy
   accepts_nested_attributes_for :regular_event_repeat_rules, allow_destroy: true
   has_many :regular_event_participations, dependent: :destroy
@@ -88,7 +86,7 @@ def self.ransackable_attributes(_auth_object = nil)
   end
 
   def self.ransackable_associations(_auth_object = nil)
-    %w[user organizers users regular_event_repeat_rules participants comments reactions watches]
+    %w[user regular_event_organizers users regular_event_repeat_rules participants comments reactions watches]
   end
 
   def scheduled_on?(date)
@@ -108,7 +106,7 @@ def next_event_date
   end
 
   def organizers
-    users.preload(avatar_attachment: :blob).order('organizers.created_at')
+    users.preload(avatar_attachment: :blob).order('regular_event_organizers.created_at')
   end
 
   def cancel_participation(user)

app/models/organizer.rb → app/models/regular_event_organizer.rb

@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-class Organizer < ApplicationRecord
+class RegularEventOrganizer < ApplicationRecord
   belongs_to :user
   belongs_to :regular_event
 

app/models/user.rb

@@ -112,7 +112,7 @@ class User < ApplicationRecord # rubocop:todo Metrics/ClassLength
   has_many :articles, dependent: :destroy
   has_many :bookmarks, dependent: :destroy
   has_many :regular_events, dependent: :destroy
-  has_many :organizers, dependent: :destroy
+  has_many :regular_event_organizers, dependent: :destroy
   has_many :hibernations, dependent: :destroy
   has_many :authored_books, dependent: :destroy
   accepts_nested_attributes_for :authored_books, allow_destroy: true
@@ -192,7 +192,7 @@ class User < ApplicationRecord # rubocop:todo Metrics/ClassLength
            source: :follower
 
   has_many :organize_regular_events,
-           through: :organizers,
+           through: :regular_event_organizers,
            source: :regular_event
 
   has_many :participate_regular_events,

db/migrate/20260303150647_change_organizers_to_regular_event_organizer.rb

@@ -0,0 +1,5 @@
+class ChangeOrganizersToRegularEventOrganizer < ActiveRecord::Migration[8.1]
+  def change
+    rename_table :organizers, :regular_event_organizers
+  end
+end

db/migrate/20260415062046_remove_index_user_id_from_regular_event_organizers.rb

@@ -0,0 +1,5 @@
+class RemoveIndexUserIdFromRegularEventOrganizers < ActiveRecord::Migration[8.1]
+  def change
+    remove_index :regular_event_organizers, :user_id, name: "index_regular_event_organizers_on_user_id"
+  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[8.1].define(version: 2026_04_15_000001) do
+ActiveRecord::Schema[8.1].define(version: 2026_04_15_062046) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "pg_catalog.plpgsql"
   enable_extension "pgcrypto"
@@ -527,16 +527,6 @@
     t.index ["uid"], name: "index_oauth_applications_on_uid", unique: true
   end
 
-  create_table "organizers", force: :cascade do |t|
-    t.datetime "created_at", null: false
-    t.bigint "regular_event_id", null: false
-    t.datetime "updated_at", null: false
-    t.bigint "user_id", null: false
-    t.index ["regular_event_id"], name: "index_organizers_on_regular_event_id"
-    t.index ["user_id", "regular_event_id"], name: "index_organizers_on_user_id_and_regular_event_id", unique: true
-    t.index ["user_id"], name: "index_organizers_on_user_id"
-  end
-
   create_table "pages", id: :serial, force: :cascade do |t|
     t.text "body", null: false
     t.datetime "created_at", precision: nil, null: false
@@ -697,6 +687,15 @@
     t.index ["user_id"], name: "index_reactions_on_user_id"
   end
 
+  create_table "regular_event_organizers", force: :cascade do |t|
+    t.datetime "created_at", null: false
+    t.bigint "regular_event_id", null: false
+    t.datetime "updated_at", null: false
+    t.bigint "user_id", null: false
+    t.index ["regular_event_id"], name: "index_regular_event_organizers_on_regular_event_id"
+    t.index ["user_id", "regular_event_id"], name: "index_regular_event_organizers_on_user_id_and_regular_event_id", unique: true
+  end
+
   create_table "regular_event_participations", force: :cascade do |t|
     t.datetime "created_at", null: false
     t.bigint "regular_event_id", null: false
@@ -1144,8 +1143,6 @@
   add_foreign_key "oauth_access_grants", "users", column: "resource_owner_id"
   add_foreign_key "oauth_access_tokens", "oauth_applications", column: "application_id"
   add_foreign_key "oauth_access_tokens", "users", column: "resource_owner_id"
-  add_foreign_key "organizers", "regular_events"
-  add_foreign_key "organizers", "users"
   add_foreign_key "pages", "practices"
   add_foreign_key "pages", "users"
   add_foreign_key "pair_work_schedules", "pair_works"
@@ -1165,6 +1162,8 @@
   add_foreign_key "radio_button_choices", "radio_buttons"
   add_foreign_key "radio_buttons", "survey_questions"
   add_foreign_key "reactions", "users"
+  add_foreign_key "regular_event_organizers", "regular_events"
+  add_foreign_key "regular_event_organizers", "users"
   add_foreign_key "regular_event_participations", "regular_events"
   add_foreign_key "regular_event_participations", "users"
   add_foreign_key "regular_event_repeat_rules", "regular_events"

db/seeds.rb

@@ -51,7 +51,7 @@
   regular_events
   regular_event_repeat_rules
   regular_event_participations
-  organizers
+  regular_event_organizers
   hibernations
   footprints
   authored_books