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import { Knex } from 'knex';
import { Logger, LogProvider } from '../logger';
import User from '../types/user';
import NotFoundError from '../error/notfound-error';
import {
ICreateUser,
IUserLookup,
IUserSearch,
IUserStore,
IUserUpdateFields,
} from '../types/stores/user-store';
const TABLE = 'users';
const USER_COLUMNS = [
'id',
'name',
'username',
'email',
'image_url',
'login_attempts',
'seen_at',
'created_at',
];
const USER_COLUMNS_PUBLIC = ['id', 'name', 'username', 'email', 'image_url'];
const emptify = (value) => {
if (!value) {
return undefined;
}
return value;
};
const safeToLower = (s?: string) => (s ? s.toLowerCase() : s);
const mapUserToColumns = (user: ICreateUser) => ({
name: user.name,
username: user.username,
email: safeToLower(user.email),
image_url: user.imageUrl,
});
const rowToUser = (row) => {
if (!row) {
throw new NotFoundError('No user found');
}
return new User({
id: row.id,
name: emptify(row.name),
username: emptify(row.username),
email: emptify(row.email),
imageUrl: emptify(row.image_url),
loginAttempts: row.login_attempts,
seenAt: row.seen_at,
createdAt: row.created_at,
});
};
class UserStore implements IUserStore {
private db: Knex;
private logger: Logger;
constructor(db: Knex, getLogger: LogProvider) {
this.db = db;
this.logger = getLogger('user-store.ts');
}
async update(id: number, fields: IUserUpdateFields): Promise<User> {
await this.db(TABLE).where('id', id).update(mapUserToColumns(fields));
return this.get(id);
}
async insert(user: ICreateUser): Promise<User> {
const rows = await this.db(TABLE)
.insert(mapUserToColumns(user))
.returning(USER_COLUMNS);
return rowToUser(rows[0]);
}
async upsert(user: ICreateUser): Promise<User> {
const id = await this.hasUser(user);
if (id) {
return this.update(id, user);
}
return this.insert(user);
}
buildSelectUser(q: IUserLookup): any {
const query = this.db(TABLE);
if (q.id) {
return query.where('id', q.id);
}
if (q.email) {
return query.where('email', safeToLower(q.email));
}
if (q.username) {
return query.where('username', q.username);
}
throw new Error('Can only find users with id, username or email.');
}
async hasUser(idQuery: IUserLookup): Promise<number | undefined> {
const query = this.buildSelectUser(idQuery);
const item = await query.first('id');
return item ? item.id : undefined;
}
async getAll(): Promise<User[]> {
const users = await this.db.select(USER_COLUMNS).from(TABLE);
return users.map(rowToUser);
}
async search(query: IUserSearch): Promise<User[]> {
const users = await this.db
.select(USER_COLUMNS_PUBLIC)
.from(TABLE)
.where('name', 'ILIKE', `%${query}%`)
.orWhere('username', 'ILIKE', `${query}%`)
.orWhere('email', 'ILIKE', `${query}%`);
return users.map(rowToUser);
}
async getAllWithId(userIdList: number[]): Promise<User[]> {
const users = await this.db
.select(USER_COLUMNS_PUBLIC)
.from(TABLE)
.whereIn('id', userIdList);
return users.map(rowToUser);
}
async getByQuery(idQuery: IUserLookup): Promise<User> {
const row = await this.buildSelectUser(idQuery).first(USER_COLUMNS);
return rowToUser(row);
}
async delete(id: number): Promise<void> {
return this.db(TABLE).where({ id }).del();
}
async getPasswordHash(userId: number): Promise<string> {
const item = await this.db(TABLE)
.where('id', userId)
.first('password_hash');
if (!item) {
throw new NotFoundError('User not found');
}
return item.password_hash;
}
async setPasswordHash(userId: number, passwordHash: string): Promise<void> {
return this.db(TABLE).where('id', userId).update({
password_hash: passwordHash,
});
}
async incLoginAttempts(user: User): Promise<void> {
return this.buildSelectUser(user).increment('login_attempts', 1);
}
async successfullyLogin(user: User): Promise<void> {
return this.buildSelectUser(user).update({
login_attempts: 0,
seen_at: new Date(),
});
}
async deleteAll(): Promise<void> {
await this.db(TABLE).del();
}
async count(): Promise<number> {
return this.db
.from(TABLE)
.count('*')
.then((res) => Number(res[0].count));
}
destroy(): void {}
async exists(id: number): Promise<boolean> {
const result = await this.db.raw(
`SELECT EXISTS (SELECT 1 FROM ${TABLE} WHERE id = ?) AS present`,
[id],
);
const { present } = result.rows[0];
return present;
}
async get(id: number): Promise<User> {
const row = await this.db(TABLE).where({ id }).first();
return rowToUser(row);
}
}
module.exports = UserStore;
export default UserStore;
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