feat: add join request resource

priv/repo/migrations/20260309141437_add_join_requests.exs

@@ -0,0 +1,53 @@
+defmodule Mv.Repo.Migrations.AddJoinRequests do
+  @moduledoc """
+  Creates join_requests table for the public join flow (onboarding, double opt-in).
+
+  Stores join form submissions with status pending_confirmation → submitted (after email confirm).
+  Token stored as hash only; 24h retention for unconfirmed records (cleanup via scheduled job).
+  """
+
+  use Ecto.Migration
+
+  def up do
+    create table(:join_requests, primary_key: false) do
+      add :id, :uuid, null: false, default: fragment("uuid_generate_v7()"), primary_key: true
+
+      add :status, :text, null: false, default: "pending_confirmation"
+      add :email, :text, null: false
+      add :first_name, :text
+      add :last_name, :text
+      add :form_data, :map
+      add :schema_version, :integer
+
+      add :confirmation_token_hash, :text
+      add :confirmation_token_expires_at, :utc_datetime_usec
+      add :confirmation_sent_at, :utc_datetime_usec
+
+      add :submitted_at, :utc_datetime_usec
+      add :approved_at, :utc_datetime_usec
+      add :rejected_at, :utc_datetime_usec
+      add :reviewed_by_user_id, :uuid
+      add :source, :text
+
+      add :inserted_at, :utc_datetime_usec,
+        null: false,
+        default: fragment("(now() AT TIME ZONE 'utc')")
+
+      add :updated_at, :utc_datetime_usec,
+        null: false,
+        default: fragment("(now() AT TIME ZONE 'utc')")
+    end
+
+    create unique_index(:join_requests, [:confirmation_token_hash],
+             name: "join_requests_confirmation_token_hash_unique",
+             where: "confirmation_token_hash IS NOT NULL"
+           )
+
+    create index(:join_requests, [:email])
+    create index(:join_requests, [:status])
+  end
+
+  def down do
+    drop table(:join_requests)
+  end
+end