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