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feat: WebSocket based implementation of server sent events for cache busting (#527)

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* rough implementation of WS based event system for server side notifications of mutation

* fix test construction

* fix deadlock on event bus

* disable linter error

* add item mutation events

* remove old event bus code

* refactor event system to use composables

* refresh items table when new item is added

* fix create form errors

* cleanup unnecessary calls

* fix importer erorrs + limit fn calls on import

Former-commit-id: 2cbcc8bb1d
This commit is contained in:
Hayden 2023-08-02 13:00:57 -08:00 • committed by GitHub
parent 26911e9530
commit 0cbe516ca3
31 changed files with 458 additions and 208 deletions
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27
backend/internal/data/repo/repo_items.go
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@ -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)
}