first commit

backend/ent/schema/user_allowed_group.go

@@ -0,0 +1,57 @@
+package schema
+
+import (
+	"time"
+
+	"entgo.io/ent"
+	"entgo.io/ent/dialect"
+	"entgo.io/ent/dialect/entsql"
+	"entgo.io/ent/schema"
+	"entgo.io/ent/schema/edge"
+	"entgo.io/ent/schema/field"
+	"entgo.io/ent/schema/index"
+)
+
+// UserAllowedGroup holds the edge schema definition for the user_allowed_groups relationship.
+// It replaces the legacy users.allowed_groups BIGINT[] column.
+type UserAllowedGroup struct {
+	ent.Schema
+}
+
+func (UserAllowedGroup) Annotations() []schema.Annotation {
+	return []schema.Annotation{
+		entsql.Annotation{Table: "user_allowed_groups"},
+		// Composite primary key: (user_id, group_id).
+		field.ID("user_id", "group_id"),
+	}
+}
+
+func (UserAllowedGroup) Fields() []ent.Field {
+	return []ent.Field{
+		field.Int64("user_id"),
+		field.Int64("group_id"),
+		field.Time("created_at").
+			Immutable().
+			Default(time.Now).
+			SchemaType(map[string]string{dialect.Postgres: "timestamptz"}),
+	}
+}
+
+func (UserAllowedGroup) Edges() []ent.Edge {
+	return []ent.Edge{
+		edge.To("user", User.Type).
+			Unique().
+			Required().
+			Field("user_id"),
+		edge.To("group", Group.Type).
+			Unique().
+			Required().
+			Field("group_id"),
+	}
+}
+
+func (UserAllowedGroup) Indexes() []ent.Index {
+	return []ent.Index{
+		index.Fields("group_id"),
+	}
+}