fix: some api bug

app/shop/rpc/internal/models/schema/shops.go

@@ -1,6 +1,9 @@
 package schema
 
 import (
+	"database/sql/driver"
+	"errors"
+	"strings"
 	"time"
 
 	"entgo.io/ent"
@@ -8,11 +11,53 @@ import (
 	"entgo.io/ent/dialect/entsql"
 	"entgo.io/ent/schema"
 	"entgo.io/ent/schema/field"
+	"github.com/jackc/pgx/v5/pgtype"
 	"github.com/shopspring/decimal"
 )
 
 var shopDefaultRating = decimal.RequireFromString("5.00")
 
+type TextArray pgtype.Array[string]
+
+func (s *TextArray) Scan(src any) error {
+	if src == nil {
+		s.Elements = []string{}
+		s.Dims = nil
+		s.Valid = true
+		return nil
+	}
+
+	var strSrc string
+	switch v := src.(type) {
+	case string:
+		strSrc = v
+	case []byte:
+		strSrc = string(v)
+	default:
+		return errors.New("failed to scan text array")
+	}
+
+	trimmed := strings.Trim(strSrc, "{}")
+	if len(trimmed) == 0 {
+		s.Elements = []string{}
+		s.Dims = nil
+		s.Valid = true
+		return nil
+	}
+
+	s.Elements = strings.Split(trimmed, ",")
+	s.Dims = nil
+	s.Valid = true
+	return nil
+}
+
+func (s TextArray) Value() (driver.Value, error) {
+	if s.Elements == nil {
+		return []string{}, nil
+	}
+	return s.Elements, nil
+}
+
 // Shops holds the schema definition for the Shops entity.
 type Shops struct {
 	ent.Schema
@@ -56,7 +101,9 @@ func (Shops) Fields() []ent.Field {
 		field.Bool("allow_multi_shop").Optional().Default(false),
 		field.Bool("allow_independent_orders").Optional().Default(true),
 		field.String("dispatch_mode").MaxLen(20).Default("manual"),
-		field.Strings("announcements").Optional().Default([]string{}),
+		field.Other("announcements", TextArray{}).
+			SchemaType(map[string]string{dialect.Postgres: "text[]"}).
+			Optional(),
 		field.JSON("template_config", map[string]any{}).Optional(),
 		field.Time("created_at").Default(time.Now).Immutable(),
 		field.Time("updated_at").Default(time.Now).UpdateDefault(time.Now),