ai modal

src/server/dbschema/schema.ts

@@ -85,3 +85,37 @@ export const techStack = createTable(
 		stackItems: stackItemEnum().array()
 	})
 )
+
+export const messageRoleEnum = pgEnum('message_role', ['user', 'assistant'])
+
+export const chatSession = createTable(
+	"chat_session",
+	(d) => ({
+		id: d.uuid().primaryKey().defaultRandom(),
+		userId: d.varchar({ length: 255 }).notNull(),
+		createdAt: d.timestamp({ withTimezone: true }).default(sql`CURRENT_TIMESTAMP`).notNull().$type<Date>(),
+		updatedAt: d.timestamp({ withTimezone: true }).$onUpdate(() => new Date()).$type<Date>(),
+	})
+)
+
+export const chatSessionRelations = relations(chatSession, ({ many }) => ({
+	messages: many(chatMessage),
+}))
+
+export const chatMessage = createTable(
+	"chat_message",
+	(d) => ({
+		id: d.uuid().primaryKey().defaultRandom(),
+		sessionId: d.uuid('session_id').notNull(),
+		role: messageRoleEnum().notNull(),
+		content: d.text().notNull(),
+		createdAt: d.timestamp({ withTimezone: true }).default(sql`CURRENT_TIMESTAMP`).notNull().$type<Date>(),
+	})
+)
+
+export const chatMessageRelations = relations(chatMessage, ({ one }) => ({
+	session: one(chatSession, {
+		fields: [chatMessage.sessionId],
+		references: [chatSession.id],
+	}),
+}))