can sign in and out

database/common.ts

@@ -1,4 +1,5 @@
 import type { CommittedMessage } from "../types";
+import type { Users } from "./generated/public/Users";
 
 export type Conversation = {
   id: string;
@@ -25,6 +26,10 @@ export type FactTrigger = {
   createdAt?: string;
 };
 
+export type User = Omit<Users, "id"> & {
+  id: string;
+};
+
 export interface Entity<T> {
   construct: (data: T) => T;
   create: (data: Omit<T, "id">) => Promise<T>;
@@ -54,9 +59,14 @@ export type FactTriggerEntity = Entity<FactTrigger> & {
   findByConversationId: (conversationId: string) => Promise<Array<FactTrigger>>;
 };
 
+export type UserEntity = Entity<User> & {
+  findByEmailAddress: (emailAddress: string) => Promise<User | undefined>;
+};
+
 export interface ApplicationDatabase {
   conversations: ConversationEntity;
   factTriggers: FactTriggerEntity;
   facts: FactEntity;
   messages: MessageEntity;
+  users: UserEntity;
 }

database/postgres.ts

@@ -8,6 +8,7 @@ import type {
   FactEntity,
   FactTriggerEntity,
   MessageEntity,
+  UserEntity,
 } from "./common.ts";
 import type { CommittedMessage } from "../types";
 
@@ -262,11 +263,62 @@ export function getDb(POSTGRES_CONNECTION_STRING: string) {
     },
   };
 
+  const users: UserEntity = {
+    construct: (user) => user,
+    create: async (user) => {
+      const insertedRows = await dbClient
+        .insertInto("users")
+        .values(user)
+        .returningAll()
+        .execute();
+      return insertedRows[0];
+    },
+    createMany: async (users) => {
+      const insertedRows = await dbClient
+        .insertInto("users")
+        .values(users)
+        .returningAll()
+        .execute();
+      return insertedRows;
+    },
+    findAll: async () => {
+      const rows = await dbClient.selectFrom("users").selectAll().execute();
+      return rows;
+    },
+    findById: async (id) => {
+      const row = await dbClient
+        .selectFrom("users")
+        .selectAll()
+        .where("id", "=", id)
+        .execute();
+      return row[0];
+    },
+    update: async (id, data) => {
+      await dbClient
+        .updateTable("users")
+        .set(data)
+        .where("id", "=", id)
+        .execute();
+    },
+    delete: async (id) => {
+      await dbClient.deleteFrom("users").where("id", "=", id).execute();
+    },
+    findByEmailAddress: async (emailAddress) => {
+      const row = await dbClient
+        .selectFrom("users")
+        .selectAll()
+        .where("email", "=", emailAddress)
+        .executeTakeFirst();
+      return row;
+    },
+  };
+
   const db = {
     conversations,
     facts,
     factTriggers,
     messages,
+    users,
   };
 
   return db;