|
| 1 | +package com.example.randombook.reading; |
| 2 | + |
| 3 | +import com.example.randombook.book.Book; |
| 4 | +import com.example.randombook.category.Category; |
| 5 | +import org.springframework.jdbc.core.JdbcTemplate; |
| 6 | +import org.springframework.jdbc.core.RowMapper; |
| 7 | +import org.springframework.jdbc.core.simple.SimpleJdbcInsert; |
| 8 | +import org.springframework.stereotype.Repository; |
| 9 | + |
| 10 | +import java.util.HashMap; |
| 11 | +import java.util.List; |
| 12 | +import java.util.Map; |
| 13 | +import java.util.Optional; |
| 14 | + |
| 15 | +@Repository |
| 16 | +public class JdbcReadingDAO implements ReadingDAO{ |
| 17 | + |
| 18 | + private final JdbcTemplate jdbcTemplate; |
| 19 | + private final SimpleJdbcInsert insertReading; |
| 20 | + |
| 21 | + public JdbcReadingDAO(JdbcTemplate jdbcTemplate) { |
| 22 | + this.jdbcTemplate = jdbcTemplate; |
| 23 | + insertReading = new SimpleJdbcInsert(jdbcTemplate) |
| 24 | + .withTableName("reading") |
| 25 | + .usingGeneratedKeyColumns("id_reading"); |
| 26 | + } |
| 27 | + |
| 28 | + RowMapper<Reading> rowMapper = (rs, rowNum) -> new Reading( |
| 29 | + rs.getInt("id_reading"), |
| 30 | + rs.getInt("id_user"), |
| 31 | + rs.getInt("id_book"), |
| 32 | + rs.getDate("date"), |
| 33 | + rs.getString("state") |
| 34 | + ); |
| 35 | + |
| 36 | + @Override |
| 37 | + public List<Reading> findAll() { |
| 38 | + String sql = "SELECT * FROM reading"; |
| 39 | + return jdbcTemplate.query(sql, rowMapper); |
| 40 | + } |
| 41 | + |
| 42 | + @Override |
| 43 | + public Optional<Reading> findById(int id_reading) { |
| 44 | + String sql = "SELECT * FROM reading where id_reading = ?"; |
| 45 | + return Optional.of(jdbcTemplate.queryForObject(sql, rowMapper, id_reading)); |
| 46 | + } |
| 47 | + |
| 48 | + @Override |
| 49 | + public List<Reading> findAllByUserId(int id_user) { |
| 50 | + String sql = "SELECT * FROM reading where id_user = ?"; |
| 51 | + return jdbcTemplate.query(sql, rowMapper, id_user); |
| 52 | + } |
| 53 | + |
| 54 | + @Override |
| 55 | + public List<Reading> findAllByBookId(int id_book) { |
| 56 | + String sql = "SELECT * FROM reading where id_book = ?"; |
| 57 | + return jdbcTemplate.query(sql, rowMapper, id_book); |
| 58 | + } |
| 59 | + |
| 60 | + @Override |
| 61 | + public Reading create(Reading reading) { |
| 62 | + Map<String,Object> parameters = new HashMap<>(); |
| 63 | + parameters.put("id_user", reading.getUser()); |
| 64 | + parameters.put("id_book", reading.getBook()); |
| 65 | + parameters.put("date", reading.getDate()); |
| 66 | + parameters.put("state", reading.getState()); |
| 67 | + Number id_reading = insertReading.executeAndReturnKey(parameters); |
| 68 | + return new Reading( |
| 69 | + (Integer) id_reading, |
| 70 | + reading.getUser(), |
| 71 | + reading.getBook(), |
| 72 | + reading.getDate(), |
| 73 | + reading.getState() |
| 74 | + ); |
| 75 | + } |
| 76 | + |
| 77 | + @Override |
| 78 | + public Reading update(Reading reading, int id_reading) { |
| 79 | + String sql = "update reading set id_user = ?, " + |
| 80 | + "id_book = ?, date = ?, " + |
| 81 | + "state = ? where id_reading = ?"; |
| 82 | + Reading r = new Reading( |
| 83 | + id_reading, |
| 84 | + reading.getUser(), |
| 85 | + reading.getBook(), |
| 86 | + reading.getDate(), |
| 87 | + reading.getState() |
| 88 | + ); |
| 89 | + jdbcTemplate.update( |
| 90 | + sql, |
| 91 | + r.getUser(), |
| 92 | + r.getBook(), |
| 93 | + r.getDate(), |
| 94 | + r.getState(), |
| 95 | + r.getId() |
| 96 | + ); |
| 97 | + return r; |
| 98 | + } |
| 99 | + |
| 100 | + @Override |
| 101 | + public void delete(int id_reading) { |
| 102 | + jdbcTemplate.update("delete from reading where id_reading = ?",id_reading); |
| 103 | + } |
| 104 | + |
| 105 | + @Override |
| 106 | + public long count() { |
| 107 | + return jdbcTemplate.queryForObject("select count(*) from reading", Long.class); |
| 108 | + } |
| 109 | +} |
0 commit comments