feat: add platform dunning notifications

supabase/migrations/202606300004_platform_dunning_notifications.sql

@@ -0,0 +1,88 @@
+create table if not exists public.platform_dunning_notification_channels (
+  id uuid primary key default gen_random_uuid(),
+  channel_code text not null unique,
+  name text not null,
+  description text,
+  enabled boolean not null default true,
+  provider text not null default 'generic'
+    check (provider in ('generic', 'dingtalk', 'feishu', 'wecom')),
+  webhook_url text not null,
+  secret_ref text,
+  reminder_types text[] not null default array['overdue', 'final_notice']::text[],
+  reminder_channels text[] not null default array['internal']::text[],
+  min_reminder_level integer not null default 1 check (min_reminder_level between 1 and 20),
+  tenant_ids uuid[] not null default '{}'::uuid[],
+  timeout_sec integer not null default 10 check (timeout_sec between 1 and 60),
+  metadata jsonb not null default '{}'::jsonb,
+  created_at timestamptz not null default now(),
+  updated_at timestamptz not null default now(),
+  constraint platform_dunning_notification_reminder_types_check
+    check (reminder_types <@ array['due_soon', 'overdue', 'final_notice', 'manual']::text[]),
+  constraint platform_dunning_notification_reminder_channels_check
+    check (reminder_channels <@ array['manual', 'internal', 'sms', 'email', 'wechat', 'crm']::text[])
+);
+
+create table if not exists public.platform_dunning_notification_events (
+  id uuid primary key default gen_random_uuid(),
+  channel_id uuid not null references public.platform_dunning_notification_channels(id) on delete cascade,
+  reminder_id uuid not null references public.tenant_invoice_reminders(id) on delete cascade,
+  invoice_id uuid not null references public.tenant_invoices(id) on delete cascade,
+  tenant_id uuid not null references public.tenants(id) on delete cascade,
+  provider text not null default 'generic'
+    check (provider in ('generic', 'dingtalk', 'feishu', 'wecom')),
+  status text not null default 'pending'
+    check (status in ('pending', 'processing', 'sent', 'retrying', 'failed', 'discarded')),
+  attempts integer not null default 0 check (attempts >= 0),
+  scheduled_at timestamptz not null default now(),
+  next_attempt_at timestamptz,
+  last_attempt_at timestamptz,
+  sent_at timestamptz,
+  last_error text,
+  last_http_code integer,
+  last_response_summary text,
+  request_payload jsonb not null default '{}'::jsonb,
+  metadata jsonb not null default '{}'::jsonb,
+  created_at timestamptz not null default now(),
+  updated_at timestamptz not null default now(),
+  unique (channel_id, reminder_id)
+);
+
+create index if not exists idx_platform_dunning_notification_channels_enabled
+  on public.platform_dunning_notification_channels(enabled, min_reminder_level, channel_code);
+
+create index if not exists idx_platform_dunning_notification_events_due
+  on public.platform_dunning_notification_events(status, coalesce(next_attempt_at, scheduled_at), created_at);
+
+create index if not exists idx_platform_dunning_notification_events_reminder
+  on public.platform_dunning_notification_events(reminder_id, status, created_at desc);
+
+create index if not exists idx_platform_dunning_notification_events_invoice
+  on public.platform_dunning_notification_events(invoice_id, status, created_at desc);
+
+create index if not exists idx_platform_dunning_notification_events_tenant
+  on public.platform_dunning_notification_events(tenant_id, status, created_at desc);
+
+alter table public.platform_dunning_notification_channels enable row level security;
+alter table public.platform_dunning_notification_events enable row level security;
+
+drop policy if exists platform_admin_dunning_notification_channels on public.platform_dunning_notification_channels;
+create policy platform_admin_dunning_notification_channels on public.platform_dunning_notification_channels
+  for all
+  using (app.is_platform_admin())
+  with check (app.is_platform_admin());
+
+drop policy if exists platform_admin_dunning_notification_events on public.platform_dunning_notification_events;
+create policy platform_admin_dunning_notification_events on public.platform_dunning_notification_events
+  for all
+  using (app.is_platform_admin())
+  with check (app.is_platform_admin());
+
+drop trigger if exists set_updated_at on public.platform_dunning_notification_channels;
+create trigger set_updated_at
+  before update on public.platform_dunning_notification_channels
+  for each row execute function app.touch_updated_at();
+
+drop trigger if exists set_updated_at on public.platform_dunning_notification_events;
+create trigger set_updated_at
+  before update on public.platform_dunning_notification_events
+  for each row execute function app.touch_updated_at();