feat: add organization membership data model

drizzle/0012_organization_memberships.sql

@@ -0,0 +1,28 @@
+CREATE TABLE `organization_memberships` (
+	`id` text PRIMARY KEY NOT NULL,
+	`organization_id` text NOT NULL,
+	`user_id` text NOT NULL,
+	`role` text DEFAULT 'user' NOT NULL,
+	`created_at` integer DEFAULT (cast(unixepoch('subsecond') * 1000 as integer)) NOT NULL,
+	`updated_at` integer DEFAULT (cast(unixepoch('subsecond') * 1000 as integer)) NOT NULL,
+	`archived_at` integer,
+	FOREIGN KEY (`organization_id`) REFERENCES `organizations`(`id`) ON UPDATE no action ON DELETE cascade,
+	FOREIGN KEY (`user_id`) REFERENCES `user`(`id`) ON UPDATE no action ON DELETE cascade
+);
+--> statement-breakpoint
+CREATE UNIQUE INDEX `organization_memberships_organization_user_unique` ON `organization_memberships` (`organization_id`,`user_id`);--> statement-breakpoint
+CREATE INDEX `organization_memberships_organization_id_idx` ON `organization_memberships` (`organization_id`);--> statement-breakpoint
+CREATE INDEX `organization_memberships_user_id_idx` ON `organization_memberships` (`user_id`);--> statement-breakpoint
+INSERT INTO `organization_memberships` (`id`, `organization_id`, `user_id`, `role`)
+SELECT lower(hex(randomblob(4))) || '-' || lower(hex(randomblob(2))) || '-' || lower(hex(randomblob(2))) || '-' || lower(hex(randomblob(2))) || '-' || lower(hex(randomblob(6))),
+	organizations.`id`,
+	user.`id`,
+	CASE WHEN user.`role` = 'admin' THEN 'admin' ELSE 'user' END
+FROM `organizations`
+CROSS JOIN `user`
+WHERE NOT EXISTS (
+	SELECT 1
+	FROM `organization_memberships`
+	WHERE `organization_memberships`.`organization_id` = organizations.`id`
+		AND `organization_memberships`.`user_id` = user.`id`
+);