132 lines
2.3 KiB
Go
132 lines
2.3 KiB
Go
package jounce
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import (
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"database/sql"
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"sync"
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_ "github.com/mattn/go-sqlite3"
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)
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type User struct {
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Username string
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Password string
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}
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type Network struct {
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ID int64
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Addr string
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Nick string
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Username string
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Realname string
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}
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type Channel struct {
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ID int64
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Name string
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}
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type DB struct {
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lock sync.RWMutex
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db *sql.DB
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}
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func OpenSQLDB(driver, source string) (*DB, error) {
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db, err := sql.Open(driver, source)
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if err != nil {
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return nil, err
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}
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return &DB{db: db}, nil
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}
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func (db *DB) Close() error {
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db.lock.Lock()
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defer db.lock.Unlock()
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return db.Close()
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}
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func (db *DB) ListUsers() ([]User, error) {
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db.lock.RLock()
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defer db.lock.RUnlock()
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rows, err := db.db.Query("SELECT username, password FROM User")
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if err != nil {
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return nil, err
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}
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defer rows.Close()
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var users []User
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for rows.Next() {
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var user User
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var password *string
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if err := rows.Scan(&user.Username, &password); err != nil {
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return nil, err
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}
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if password != nil {
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user.Password = *password
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}
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users = append(users, user)
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}
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if err := rows.Err(); err != nil {
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return nil, err
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}
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return users, nil
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}
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func (db *DB) ListNetworks(username string) ([]Network, error) {
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db.lock.RLock()
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defer db.lock.RUnlock()
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rows, err := db.db.Query("SELECT id, addr, nick, username, realname FROM Network WHERE user = ?", username)
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if err != nil {
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return nil, err
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}
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defer rows.Close()
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var networks []Network
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for rows.Next() {
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var net Network
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var username, realname *string
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if err := rows.Scan(&net.ID, &net.Addr, &net.Nick, &username, &realname); err != nil {
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return nil, err
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}
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if username != nil {
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net.Username = *username
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}
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if realname != nil {
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net.Realname = *realname
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}
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networks = append(networks, net)
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}
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if err := rows.Err(); err != nil {
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return nil, err
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}
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return networks, nil
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}
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func (db *DB) ListChannels(networkID int64) ([]Channel, error) {
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db.lock.RLock()
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defer db.lock.RUnlock()
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rows, err := db.db.Query("SELECT id, name FROM Channel WHERE network = ?", networkID)
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if err != nil {
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return nil, err
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}
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defer rows.Close()
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var channels []Channel
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for rows.Next() {
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var ch Channel
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if err := rows.Scan(&ch.ID, &ch.Name); err != nil {
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return nil, err
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}
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channels = append(channels, ch)
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}
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if err := rows.Err(); err != nil {
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return nil, err
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}
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return channels, nil
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}
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