feat: ent mixin.

entgo/mixin/string_id.go

@@ -0,0 +1,33 @@
+package mixin
+
+import (
+	"entgo.io/ent"
+	"entgo.io/ent/schema/field"
+	"entgo.io/ent/schema/index"
+	"entgo.io/ent/schema/mixin"
+	"regexp"
+)
+
+type StringId struct {
+	mixin.Schema
+}
+
+func (StringId) Fields() []ent.Field {
+	return []ent.Field{
+		field.String("id").
+			Comment("id").
+			MaxLen(25).
+			NotEmpty().
+			Unique().
+			Immutable().
+			Match(regexp.MustCompile("^[0-9a-zA-Z_\\-]+$")).
+			StructTag(`json:"id,omitempty"`),
+	}
+}
+
+// Indexes of the StringId.
+func (StringId) Indexes() []ent.Index {
+	return []ent.Index{
+		index.Fields("id"),
+	}
+}