add support for status edits in the database, and update status dereferencer to handle them

internal/cache/cache.go

@@ -105,6 +105,7 @@ func (c *Caches) Init() {
 	c.initStatus()
 	c.initStatusBookmark()
 	c.initStatusBookmarkIDs()
+	c.initStatusEdit()
 	c.initStatusFave()
 	c.initStatusFaveIDs()
 	c.initTag()

internal/cache/db.go

@@ -226,6 +226,9 @@ type DBCaches struct {
 	// StatusBookmarkIDs provides access to the status bookmark IDs list database cache.
 	StatusBookmarkIDs SliceCache[string]
 
+	// StatusEdit provides access to the gtsmodel StatusEdit database cache.
+	StatusEdit StructCache[*gtsmodel.StatusEdit]
+
 	// StatusFave provides access to the gtsmodel StatusFave database cache.
 	StatusFave StructCache[*gtsmodel.StatusFave]
 
@@ -1385,6 +1388,38 @@ func (c *Caches) initStatusBookmarkIDs() {
 	c.DB.StatusBookmarkIDs.Init(0, cap)
 }
 
+func (c *Caches) initStatusEdit() {
+	// Calculate maximum cache size.
+	cap := calculateResultCacheMax(
+		sizeofStatusEdit(), // model in-mem size.
+		config.GetCacheStatusEditMemRatio(),
+	)
+
+	log.Infof(nil, "cache size = %d", cap)
+
+	copyF := func(s1 *gtsmodel.StatusEdit) *gtsmodel.StatusEdit {
+		s2 := new(gtsmodel.StatusEdit)
+		*s2 = *s1
+
+		// Don't include ptr fields that
+		// will be populated separately.
+		s2.Attachments = nil
+
+		return s2
+	}
+
+	c.DB.StatusEdit.Init(structr.CacheConfig[*gtsmodel.StatusEdit]{
+		Indices: []structr.IndexConfig{
+			{Fields: "ID"},
+			{Fields: "StatusID", Multiple: true},
+		},
+		MaxSize:    cap,
+		IgnoreErr:  ignoreErrors,
+		Copy:       copyF,
+		Invalidate: c.OnInvalidateStatusEdit,
+	})
+}
+
 func (c *Caches) initStatusFave() {
 	// Calculate maximum cache size.
 	cap := calculateResultCacheMax(

internal/cache/invalidate.go

@@ -273,6 +273,11 @@ func (c *Caches) OnInvalidateStatusBookmark(bookmark *gtsmodel.StatusBookmark) {
 	c.DB.StatusBookmarkIDs.Invalidate(bookmark.StatusID)
 }
 
+func (c *Caches) OnInvalidateStatusEdit(edit *gtsmodel.StatusEdit) {
+	// Invalidate cache of related status model.
+	c.DB.Status.Invalidate("ID", edit.StatusID)
+}
+
 func (c *Caches) OnInvalidateStatusFave(fave *gtsmodel.StatusFave) {
 	// Invalidate status fave ID list for this status.
 	c.DB.StatusFaveIDs.Invalidate(fave.StatusID)

internal/cache/size.go

@@ -674,6 +674,23 @@ func sizeofStatusBookmark() uintptr {
 	}))
 }
 
+func sizeofStatusEdit() uintptr {
+	return uintptr(size.Of(&gtsmodel.StatusEdit{
+		ID:             exampleID,
+		Content:        exampleText,
+		ContentWarning: exampleUsername, // similar length
+		Text:           exampleText,
+		Language:       "en",
+		Sensitive:      func() *bool { ok := false; return &ok }(),
+		AttachmentIDs:  []string{exampleID, exampleID, exampleID},
+		Attachments:    nil,
+		PollOptions:    []string{exampleTextSmall, exampleTextSmall, exampleTextSmall, exampleTextSmall},
+		PollVotes:      []int{69, 420, 1337, 1969},
+		StatusID:       exampleID,
+		CreatedAt:      exampleTime,
+	}))
+}
+
 func sizeofStatusFave() uintptr {
 	return uintptr(size.Of(&gtsmodel.StatusFave{
 		ID:              exampleID,