add item mutation events

backend/app/api/handlers/v1/controller.go

@@ -1,6 +1,7 @@
 package v1
 
 import (
+	"fmt"
 	"net/http"
 
 	"github.com/google/uuid"
@@ -126,41 +127,31 @@ func (ctrl *V1Controller) HandleCacheWS() errchain.HandlerFunc {
 		s.Set("gid", auth.GID)
 	})
 
-	ctrl.bus.Subscribe(eventbus.EventLabelMutation, func(data any) {
-		eventData, ok := data.(eventbus.GroupMutationEvent)
-		if !ok {
-			log.Log().Msgf("invalid event data: %v", data)
-			return
-		}
-
-		_ = m.BroadcastFilter([]byte(`{"event": "label.mutation"}`), func(s *melody.Session) bool {
-			gidStr, ok := s.Get("gid")
+	factory := func(e string) func(data any) {
+		return func(data any) {
+			eventData, ok := data.(eventbus.GroupMutationEvent)
 			if !ok {
-				return false
+				log.Log().Msgf("invalid event data: %v", data)
+				return
 			}
 
-			gid := gidStr.(uuid.UUID)
-			return gid == eventData.GID
-		})
-	})
+			jsonStr := fmt.Sprintf(`{"event": "%s"}`, e)
 
-	ctrl.bus.Subscribe(eventbus.EventLocationMutation, func(data any) {
-		eventData, ok := data.(eventbus.GroupMutationEvent)
-		if !ok {
-			log.Log().Msgf("invalid event data: %v", data)
-			return
+			_ = m.BroadcastFilter([]byte(jsonStr), func(s *melody.Session) bool {
+				groupIDStr, ok := s.Get("gid")
+				if !ok {
+					return false
+				}
+
+				GID := groupIDStr.(uuid.UUID)
+				return GID == eventData.GID
+			})
 		}
+	}
 
-		_ = m.BroadcastFilter([]byte(`{"event": "location.mutation"}`), func(s *melody.Session) bool {
-			gidStr, ok := s.Get("gid")
-			if !ok {
-				return false
-			}
-
-			gid := gidStr.(uuid.UUID)
-			return gid == eventData.GID
-		})
-	})
+	ctrl.bus.Subscribe(eventbus.EventLabelMutation, factory("label.mutation"))
+	ctrl.bus.Subscribe(eventbus.EventLocationMutation, factory("location.mutation"))
+	ctrl.bus.Subscribe(eventbus.EventItemMutation, factory("item.mutation"))
 
 	return func(w http.ResponseWriter, r *http.Request) error {
 		return m.HandleRequest(w, r)

backend/internal/core/services/reporting/eventbus/eventbus.go

@@ -12,6 +12,7 @@ type Event string
 const (
 	EventLabelMutation    Event = "label.mutation"
 	EventLocationMutation Event = "location.mutation"
+	EventItemMutation     Event = "item.mutation"
 )
 
 type GroupMutationEvent struct {
@@ -37,6 +38,7 @@ func New() *EventBus {
 		subscribers: map[Event][]func(any){
 			EventLabelMutation:    {},
 			EventLocationMutation: {},
+      EventItemMutation:     {},
 		},
 	}
 }

backend/internal/data/repo/repo_items.go

@@ -6,6 +6,7 @@ import (
 	"time"
 
 	"github.com/google/uuid"
+	"github.com/hay-kot/homebox/backend/internal/core/services/reporting/eventbus"
 	"github.com/hay-kot/homebox/backend/internal/data/ent"
 	"github.com/hay-kot/homebox/backend/internal/data/ent/group"
 	"github.com/hay-kot/homebox/backend/internal/data/ent/item"
@@ -17,7 +18,8 @@ import (
 )
 
 type ItemsRepository struct {
-	db *ent.Client
+	db  *ent.Client
+	bus *eventbus.EventBus
 }
 
 type (
@@ -266,6 +268,12 @@ func mapItemOut(item *ent.Item) ItemOut {
 	}
 }
 
+func (r *ItemsRepository) publishMutationEvent(GID uuid.UUID) {
+	if r.bus != nil {
+		r.bus.Publish(eventbus.EventItemMutation, eventbus.GroupMutationEvent{GID: GID})
+	}
+}
+
 func (e *ItemsRepository) getOne(ctx context.Context, where ...predicate.Item) (ItemOut, error) {
 	q := e.db.Item.Query().Where(where...)
 
@@ -520,11 +528,18 @@ func (e *ItemsRepository) Create(ctx context.Context, gid uuid.UUID, data ItemCr
 		return ItemOut{}, err
 	}
 
+	e.publishMutationEvent(gid)
 	return e.GetOne(ctx, result.ID)
 }
 
 func (e *ItemsRepository) Delete(ctx context.Context, id uuid.UUID) error {
-	return e.db.Item.DeleteOneID(id).Exec(ctx)
+  err := e.db.Item.DeleteOneID(id).Exec(ctx)
+  if err != nil {
+    return err
+  }
+
+  e.publishMutationEvent(id)
+  return nil
 }
 
 func (e *ItemsRepository) DeleteByGroup(ctx context.Context, gid, id uuid.UUID) error {
@@ -534,6 +549,12 @@ func (e *ItemsRepository) DeleteByGroup(ctx context.Context, gid, id uuid.UUID)
 			item.ID(id),
 			item.HasGroupWith(group.ID(gid)),
 		).Exec(ctx)
+  
+  if err != nil {
+    return err
+  }
+
+  e.publishMutationEvent(gid)
 	return err
 }
 
@@ -649,6 +670,7 @@ func (e *ItemsRepository) UpdateByGroup(ctx context.Context, GID uuid.UUID, data
 		}
 	}
 
+  e.publishMutationEvent(GID)
 	return e.GetOne(ctx, data.ID)
 }
 
@@ -687,6 +709,7 @@ func (e *ItemsRepository) Patch(ctx context.Context, GID, ID uuid.UUID, data Ite
 		q.SetQuantity(*data.Quantity)
 	}
 
+  e.publishMutationEvent(GID)
 	return q.Exec(ctx)
 }
 

backend/internal/data/repo/repos_all.go

@@ -26,7 +26,7 @@ func New(db *ent.Client, bus *eventbus.EventBus, root string) *AllRepos {
 		Groups:      NewGroupRepository(db),
 		Locations:   &LocationRepository{db, bus},
 		Labels:      &LabelRepository{db, bus},
-		Items:       &ItemsRepository{db},
+		Items:       &ItemsRepository{db, bus},
 		Docs:        &DocumentRepository{db, root},
 		Attachments: &AttachmentRepo{db},
 		MaintEntry:  &MaintenanceEntryRepository{db},

frontend/layouts/default.vue

@@ -186,13 +186,18 @@
     const ws = new WebSocket(`ws://${window.location.host}/api/v1/ws/events`);
     ws.onmessage = event => {
       const msg: EventMessage = JSON.parse(event.data);
+      console.debug("recieved event", msg);
       switch (msg.event) {
         case "label.mutation":
-          console.log("label.mutation");
           labelStore.refresh();
           break;
         case "location.mutation":
-          console.log("location.mutation");
+          locationStore.refreshChildren();
+          locationStore.refreshParents();
+          break;
+        case "item.mutation":
+          // item mutations can affect locations counts
+          // so we need to refresh those as well
           locationStore.refreshChildren();
           locationStore.refreshParents();
           break;