refactor schema folder

backend/internal/data/ent/schema/document.go

@@ -16,6 +16,7 @@ type Document struct {
 func (Document) Mixin() []ent.Mixin {
 	return []ent.Mixin{
 		mixins.BaseMixin{},
+		GroupMixin{ref: "documents"},
 	}
 }
 
@@ -34,10 +35,6 @@ func (Document) Fields() []ent.Field {
 // Edges of the Document.
 func (Document) Edges() []ent.Edge {
 	return []ent.Edge{
-		edge.From("group", Group.Type).
-			Ref("documents").
-			Required().
-			Unique(),
 		edge.To("attachments", Attachment.Type).
 			Annotations(entsql.Annotation{
 				OnDelete: entsql.Cascade,

backend/internal/data/ent/schema/group.go

@@ -5,6 +5,7 @@ import (
 	"entgo.io/ent/dialect/entsql"
 	"entgo.io/ent/schema/edge"
 	"entgo.io/ent/schema/field"
+	"entgo.io/ent/schema/mixin"
 	"github.com/hay-kot/homebox/backend/internal/data/ent/schema/mixins"
 )
 
@@ -33,34 +34,36 @@ func (Group) Fields() []ent.Field {
 
 // Edges of the Home.
 func (Group) Edges() []ent.Edge {
+	owned := func(name string, t any) ent.Edge {
+		return edge.To(name, t).
+			Annotations(entsql.Annotation{
+				OnDelete: entsql.Cascade,
+			})
+	}
+
 	return []ent.Edge{
-		edge.To("users", User.Type).
-			Annotations(entsql.Annotation{
-				OnDelete: entsql.Cascade,
-			}),
-		edge.To("locations", Location.Type).
-			Annotations(entsql.Annotation{
-				OnDelete: entsql.Cascade,
-			}),
-		edge.To("items", Item.Type).
-			Annotations(entsql.Annotation{
-				OnDelete: entsql.Cascade,
-			}),
-		edge.To("labels", Label.Type).
-			Annotations(entsql.Annotation{
-				OnDelete: entsql.Cascade,
-			}),
-		edge.To("documents", Document.Type).
-			Annotations(entsql.Annotation{
-				OnDelete: entsql.Cascade,
-			}),
-		edge.To("invitation_tokens", GroupInvitationToken.Type).
-			Annotations(entsql.Annotation{
-				OnDelete: entsql.Cascade,
-			}),
-		edge.To("notifiers", Notifier.Type).
-			Annotations(entsql.Annotation{
-				OnDelete: entsql.Cascade,
-			}),
+		owned("users", User.Type),
+		owned("locations", Location.Type),
+		owned("items", Item.Type),
+		owned("labels", Label.Type),
+		owned("documents", Document.Type),
+		owned("invitation_tokens", GroupInvitationToken.Type),
+		owned("notifiers", Notifier.Type),
+	}
+}
+
+// GroupMixin when embedded in an ent.Schema, adds a reference to
+// the Group entity.
+type GroupMixin struct {
+	ref string
+	mixin.Schema
+}
+
+func (g GroupMixin) Edges() []ent.Edge {
+	return []ent.Edge{
+		edge.From("group", Group.Type).
+			Ref(g.ref).
+			Unique().
+			Required(),
 	}
 }

backend/internal/data/ent/schema/helpers.go

@@ -0,0 +1 @@
+package schema

backend/internal/data/ent/schema/item.go

@@ -18,6 +18,7 @@ func (Item) Mixin() []ent.Mixin {
 	return []ent.Mixin{
 		mixins.BaseMixin{},
 		mixins.DetailsMixin{},
+		GroupMixin{ref: "items"},
 	}
 }
 
@@ -102,10 +103,6 @@ func (Item) Edges() []ent.Edge {
 		edge.To("children", Item.Type).
 			From("parent").
 			Unique(),
-		edge.From("group", Group.Type).
-			Ref("items").
-			Required().
-			Unique(),
 		edge.From("label", Label.Type).
 			Ref("items"),
 		edge.From("location", Location.Type).

backend/internal/data/ent/schema/label.go

@@ -16,6 +16,7 @@ func (Label) Mixin() []ent.Mixin {
 	return []ent.Mixin{
 		mixins.BaseMixin{},
 		mixins.DetailsMixin{},
+		GroupMixin{ref: "labels"},
 	}
 }
 
@@ -31,10 +32,6 @@ func (Label) Fields() []ent.Field {
 // Edges of the Label.
 func (Label) Edges() []ent.Edge {
 	return []ent.Edge{
-		edge.From("group", Group.Type).
-			Ref("labels").
-			Required().
-			Unique(),
 		edge.To("items", Item.Type),
 	}
 }

backend/internal/data/ent/schema/location.go

@@ -16,6 +16,7 @@ func (Location) Mixin() []ent.Mixin {
 	return []ent.Mixin{
 		mixins.BaseMixin{},
 		mixins.DetailsMixin{},
+		GroupMixin{ref: "locations"},
 	}
 }
 
@@ -30,10 +31,6 @@ func (Location) Edges() []ent.Edge {
 		edge.To("children", Location.Type).
 			From("parent").
 			Unique(),
-		edge.From("group", Group.Type).
-			Ref("locations").
-			Unique().
-			Required(),
 		edge.To("items", Item.Type).
 			Annotations(entsql.Annotation{
 				OnDelete: entsql.Cascade,

backend/internal/data/ent/schema/notifier.go

@@ -57,7 +57,6 @@ func (Notifier) Indexes() []ent.Index {
 	return []ent.Index{
 		index.Fields("user_id"),
 		index.Fields("user_id", "is_active"),
-
 		index.Fields("group_id"),
 		index.Fields("group_id", "is_active"),
 	}

backend/internal/data/ent/schema/user.go

@@ -16,6 +16,7 @@ type User struct {
 func (User) Mixin() []ent.Mixin {
 	return []ent.Mixin{
 		mixins.BaseMixin{},
+		GroupMixin{ref: "users"},
 	}
 }
 
@@ -48,10 +49,6 @@ func (User) Fields() []ent.Field {
 // Edges of the User.
 func (User) Edges() []ent.Edge {
 	return []ent.Edge{
-		edge.From("group", Group.Type).
-			Ref("users").
-			Required().
-			Unique(),
 		edge.To("auth_tokens", AuthTokens.Type).
 			Annotations(entsql.Annotation{
 				OnDelete: entsql.Cascade,