JM-WechatMini/service/system/sys_initdb_pgsql.go

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2023-11-02 04:34:46 +08:00
package system
import (
"context"
"errors"
"fmt"
"path/filepath"
"github.com/gookit/color"
"miniapp/config"
"miniapp/utils"
"github.com/gofrs/uuid/v5"
"gorm.io/driver/postgres"
"gorm.io/gorm"
"miniapp/global"
"miniapp/model/system/request"
)
type PgsqlInitHandler struct{}
func NewPgsqlInitHandler() *PgsqlInitHandler {
return &PgsqlInitHandler{}
}
// WriteConfig pgsql 回写配置
func (h PgsqlInitHandler) WriteConfig(ctx context.Context) error {
c, ok := ctx.Value("config").(config.Pgsql)
if !ok {
return errors.New("postgresql config invalid")
}
global.GVA_CONFIG.System.DbType = "pgsql"
global.GVA_CONFIG.Pgsql = c
global.GVA_CONFIG.JWT.SigningKey = uuid.Must(uuid.NewV4()).String()
cs := utils.StructToMap(global.GVA_CONFIG)
for k, v := range cs {
global.GVA_VP.Set(k, v)
}
return global.GVA_VP.WriteConfig()
}
// EnsureDB 创建数据库并初始化 pg
func (h PgsqlInitHandler) EnsureDB(ctx context.Context, conf *request.InitDB) (next context.Context, err error) {
if s, ok := ctx.Value("dbtype").(string); !ok || s != "pgsql" {
return ctx, ErrDBTypeMismatch
}
c := conf.ToPgsqlConfig()
next = context.WithValue(ctx, "config", c)
if c.Dbname == "" {
return ctx, nil
} // 如果没有数据库名, 则跳出初始化数据
dsn := conf.PgsqlEmptyDsn()
createSql := fmt.Sprintf("CREATE DATABASE %s;", c.Dbname)
if err = createDatabase(dsn, "pgx", createSql); err != nil {
return nil, err
} // 创建数据库
var db *gorm.DB
if db, err = gorm.Open(postgres.New(postgres.Config{
DSN: c.Dsn(), // DSN data source name
PreferSimpleProtocol: false,
}), &gorm.Config{DisableForeignKeyConstraintWhenMigrating: true}); err != nil {
return ctx, err
}
global.GVA_CONFIG.AutoCode.Root, _ = filepath.Abs("..")
next = context.WithValue(next, "db", db)
return next, err
}
func (h PgsqlInitHandler) InitTables(ctx context.Context, inits initSlice) error {
return createTables(ctx, inits)
}
func (h PgsqlInitHandler) InitData(ctx context.Context, inits initSlice) error {
next, cancel := context.WithCancel(ctx)
defer func(c func()) { c() }(cancel)
for i := 0; i < len(inits); i++ {
if inits[i].DataInserted(next) {
color.Info.Printf(InitDataExist, Pgsql, inits[i].InitializerName())
continue
}
if n, err := inits[i].InitializeData(next); err != nil {
color.Info.Printf(InitDataFailed, Pgsql, inits[i].InitializerName(), err)
return err
} else {
next = n
color.Info.Printf(InitDataSuccess, Pgsql, inits[i].InitializerName())
}
}
color.Info.Printf(InitSuccess, Pgsql)
return nil
}