Paul Pan
26a81652b3
1. add consumer 2. add createVersion 3. add upload 4. fix runner 5. add rejudge Co-authored-by: cxy004 <cxy004@qq.com> Co-authored-by: wzt <w.zhongtao@qq.com>
114 lines
2.4 KiB
Go
114 lines
2.4 KiB
Go
package postgresql
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import (
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"database/sql"
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"errors"
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"fmt"
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"github.com/WHUPRJ/woj-server/internal/global"
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"github.com/WHUPRJ/woj-server/internal/model"
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"go.uber.org/zap"
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"gorm.io/driver/postgres"
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"gorm.io/gorm"
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"gorm.io/gorm/schema"
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"moul.io/zapgorm2"
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"time"
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)
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var _ global.Repo = (*Repo)(nil)
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type Repo struct {
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db *gorm.DB
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log *zap.Logger
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}
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func (r *Repo) Get() interface{} {
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return r.db
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}
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func (r *Repo) Close() error {
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db, err := r.db.DB()
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if err != nil {
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return err
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}
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return db.Close()
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}
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func (r *Repo) Setup(g *global.Global) {
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r.log = g.Log
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r.log.Info("Connecting to database...")
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logger := zapgorm2.New(r.log)
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logger.IgnoreRecordNotFoundError = true
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dsn := fmt.Sprintf("user=%s password=%s dbname=%s host=%s port=%d sslmode=disable TimeZone=Asia/Shanghai",
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g.Conf.Database.User,
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g.Conf.Database.Password,
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g.Conf.Database.Database,
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g.Conf.Database.Host,
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g.Conf.Database.Port)
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var err error
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r.db, err = gorm.Open(
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postgres.Open(dsn),
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&gorm.Config{
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NamingStrategy: schema.NamingStrategy{
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SingularTable: true,
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TablePrefix: g.Conf.Database.Prefix,
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},
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PrepareStmt: true,
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Logger: logger,
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})
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if err != nil {
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r.log.Fatal("Failed to connect to database", zap.Error(err))
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return
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}
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db, err := r.checkAlive(3)
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if err != nil {
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r.log.Fatal("Database is not alive", zap.Error(err))
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return
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}
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db.SetMaxOpenConns(g.Conf.Database.MaxOpenConns)
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db.SetMaxIdleConns(g.Conf.Database.MaxIdleConns)
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db.SetConnMaxLifetime(time.Duration(g.Conf.Database.ConnMaxLifetime) * time.Minute)
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r.migrateDatabase()
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}
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func (r *Repo) migrateDatabase() {
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r.log.Info("Auto Migrating database...")
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_ = r.db.AutoMigrate(&model.User{})
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_ = r.db.AutoMigrate(&model.Problem{})
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_ = r.db.AutoMigrate(&model.ProblemVersion{})
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_ = r.db.AutoMigrate(&model.Submission{})
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_ = r.db.AutoMigrate(&model.Status{})
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}
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// checkAlive deprecated
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func (r *Repo) checkAlive(retry int) (*sql.DB, error) {
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if retry <= 0 {
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return nil, errors.New("all retries are used up. failed to connect to database")
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}
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db, err := r.db.DB()
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if err != nil {
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r.log.Warn("failed to get sql.DB instance", zap.Error(err))
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time.Sleep(5 * time.Second)
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return r.checkAlive(retry - 1)
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}
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err = db.Ping()
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if err != nil {
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r.log.Warn("failed to ping database", zap.Error(err))
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time.Sleep(5 * time.Second)
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return r.checkAlive(retry - 1)
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}
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r.log.Info("database connect established")
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return db, nil
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}
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