oneshot

priv/repo/migrations/20260704092338_create_voting_tables.exs

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+defmodule Rsh26pool.Repo.Migrations.CreateVotingTables do
+  use Ecto.Migration
+
+  def change do
+    create table(:rooms) do
+      add :room_number, :string, null: false
+      add :name, :string, null: false
+      add :votes_per_user, :integer, null: false, default: 3
+      add :status, :string, null: false, default: "open"
+      add :grouping_mode, :boolean, null: false, default: false
+      add :leader_threshold, :integer, null: false, default: 2
+      add :closes_at, :utc_datetime
+      add :grouped_at, :utc_datetime
+
+      timestamps(type: :utc_datetime)
+    end
+
+    create unique_index(:rooms, [:room_number])
+    create index(:rooms, [:status])
+    create index(:rooms, [:closes_at])
+
+    create table(:participants) do
+      add :token, :string, null: false
+      add :name, :string, null: false
+      add :role, :string, null: false, default: "member"
+      add :is_leader, :boolean, null: false, default: false
+      add :room_id, references(:rooms, on_delete: :delete_all), null: false
+      add :assigned_leader_id, references(:participants, on_delete: :nilify_all)
+
+      timestamps(type: :utc_datetime)
+    end
+
+    create unique_index(:participants, [:token])
+    create index(:participants, [:room_id])
+    create index(:participants, [:assigned_leader_id])
+
+    create table(:ideas) do
+      add :text, :string, null: false
+      add :room_id, references(:rooms, on_delete: :delete_all), null: false
+      add :participant_id, references(:participants, on_delete: :delete_all), null: false
+
+      timestamps(type: :utc_datetime)
+    end
+
+    create index(:ideas, [:room_id])
+    create index(:ideas, [:participant_id])
+
+    create table(:votes) do
+      add :idea_id, references(:ideas, on_delete: :delete_all), null: false
+      add :participant_id, references(:participants, on_delete: :delete_all), null: false
+
+      timestamps(type: :utc_datetime)
+    end
+
+    create unique_index(:votes, [:idea_id, :participant_id])
+    create index(:votes, [:participant_id])
+  end
+end