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1 | 1 | package store |
2 | 2 |
|
3 | 3 | import ( |
4 | | - "context" |
5 | | - "database/sql" |
| 4 | + "context" |
| 5 | + "database/sql" |
6 | 6 | ) |
7 | 7 |
|
8 | | -type SQLiteStore struct{ |
9 | | - DB *sql.DB |
| 8 | +type SQLiteStore struct { |
| 9 | + DB *sql.DB |
10 | 10 | } |
11 | 11 |
|
12 | 12 | func NewSQLiteStore(db *sql.DB) Store { |
13 | | - return &SQLiteStore{DB: db} |
| 13 | + return &SQLiteStore{DB: db} |
14 | 14 | } |
15 | 15 |
|
16 | 16 | func (s *SQLiteStore) CreateUser(ctx context.Context, u *User) error { |
17 | | - // Verify unique username/email |
18 | | - var username string |
19 | | - err := s.DB.QueryRowContext(ctx, "SELECT username FROM user WHERE username=? OR email=?", u.Username, u.Email).Scan(&username) |
20 | | - if err == nil { |
21 | | - return ErrAlreadyExists |
22 | | - } else if err != sql.ErrNoRows { |
23 | | - return err |
24 | | - } |
| 17 | + // Verify unique username/email |
| 18 | + var username string |
| 19 | + err := s.DB.QueryRowContext(ctx, "SELECT username FROM user WHERE username=? OR email=?", u.Username, u.Email).Scan(&username) |
| 20 | + if err == nil { |
| 21 | + return ErrAlreadyExists |
| 22 | + } else if err != sql.ErrNoRows { |
| 23 | + return err |
| 24 | + } |
25 | 25 |
|
26 | | - res, err := s.DB.ExecContext(ctx, "INSERT INTO user (username,passhash,email) VALUES (?, ?, ?)", u.Username, u.Passhash, u.Email) |
27 | | - if err != nil { |
28 | | - return err |
29 | | - } |
30 | | - if id, ierr := res.LastInsertId(); ierr == nil { |
31 | | - u.UserID = id |
32 | | - } |
33 | | - return nil |
| 26 | + res, err := s.DB.ExecContext(ctx, "INSERT INTO user (username,passhash,email) VALUES (?, ?, ?)", u.Username, u.Passhash, u.Email) |
| 27 | + if err != nil { |
| 28 | + return err |
| 29 | + } |
| 30 | + if id, ierr := res.LastInsertId(); ierr == nil { |
| 31 | + u.UserID = id |
| 32 | + } |
| 33 | + return nil |
34 | 34 | } |
35 | 35 |
|
36 | 36 | func (s *SQLiteStore) CreateContest(ctx context.Context, c *Contest) error { |
37 | | - var name string |
38 | | - err := s.DB.QueryRowContext(ctx, "SELECT contest_name FROM contest WHERE contest_name=?", c.ContestName).Scan(&name) |
39 | | - if err == nil { |
40 | | - return ErrAlreadyExists |
41 | | - } else if err != sql.ErrNoRows { |
42 | | - return err |
43 | | - } |
| 37 | + var name string |
| 38 | + err := s.DB.QueryRowContext(ctx, "SELECT contest_name FROM contest WHERE contest_name=?", c.ContestName).Scan(&name) |
| 39 | + if err == nil { |
| 40 | + return ErrAlreadyExists |
| 41 | + } else if err != sql.ErrNoRows { |
| 42 | + return err |
| 43 | + } |
44 | 44 |
|
45 | | - res, err := s.DB.ExecContext(ctx, "INSERT INTO contest (contest_name) VALUES (?)", c.ContestName) |
46 | | - if err != nil { |
47 | | - return err |
48 | | - } |
49 | | - if id, ierr := res.LastInsertId(); ierr == nil { |
50 | | - c.ContestID = id |
51 | | - } |
52 | | - return nil |
| 45 | + res, err := s.DB.ExecContext(ctx, "INSERT INTO contest (contest_name) VALUES (?)", c.ContestName) |
| 46 | + if err != nil { |
| 47 | + return err |
| 48 | + } |
| 49 | + if id, ierr := res.LastInsertId(); ierr == nil { |
| 50 | + c.ContestID = id |
| 51 | + } |
| 52 | + return nil |
53 | 53 | } |
54 | 54 |
|
55 | 55 | func (s *SQLiteStore) CreateProblem(ctx context.Context, p *Problem) error { |
56 | | - if p.ContestID != nil { |
57 | | - var cid int64 |
58 | | - err := s.DB.QueryRowContext(ctx, "SELECT contest_id FROM contest WHERE contest_id=?", *p.ContestID).Scan(&cid) |
59 | | - if err == sql.ErrNoRows { |
60 | | - return ErrNotFound |
61 | | - } else if err != nil { |
62 | | - return err |
63 | | - } |
64 | | - } |
| 56 | + if p.ContestID != nil { |
| 57 | + var cid int64 |
| 58 | + err := s.DB.QueryRowContext(ctx, "SELECT contest_id FROM contest WHERE contest_id=?", *p.ContestID).Scan(&cid) |
| 59 | + if err == sql.ErrNoRows { |
| 60 | + return ErrNotFound |
| 61 | + } else if err != nil { |
| 62 | + return err |
| 63 | + } |
| 64 | + } |
65 | 65 |
|
66 | | - res, err := s.DB.ExecContext(ctx, "INSERT INTO problem (contest_id, creator_id, problem_name, description) VALUES (?, ?, ?, ?)", p.ContestID, p.CreatorID, p.ProblemName, p.Description) |
67 | | - if err != nil { |
68 | | - return err |
69 | | - } |
70 | | - if id, ierr := res.LastInsertId(); ierr == nil { |
71 | | - p.ProblemID = id |
72 | | - } |
73 | | - return nil |
| 66 | + res, err := s.DB.ExecContext(ctx, "INSERT INTO problem (contest_id, creator_id, problem_name, description) VALUES (?, ?, ?, ?)", p.ContestID, p.CreatorID, p.ProblemName, p.Description) |
| 67 | + if err != nil { |
| 68 | + return err |
| 69 | + } |
| 70 | + if id, ierr := res.LastInsertId(); ierr == nil { |
| 71 | + p.ProblemID = id |
| 72 | + } |
| 73 | + return nil |
74 | 74 | } |
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