From 4592e290872e0208d03189aea4f410cd47a5dc1d Mon Sep 17 00:00:00 2001
From: kim <89579420+NyaaaWhatsUpDoc@users.noreply.github.com>
Date: Mon, 23 Sep 2024 11:53:42 +0000
Subject: [chore] local instance count query caching, improved status context
 endpoint logging, don't log ErrHideStatus when timelining (#3330)

* ensure that errors checking status visibility / converting aren't dropped

* add some more context to error messages

* include calling function name in log entries

* don't error on timelining hidden status

* further code to ignore statusfilter.ErrHideStatus type errors

* remove unused error type

* add local instance status / domain / user counts

* add checks for localhost

* rename from InstanceCounts to LocalInstance

* improved code comment
---
 internal/cache/db.go | 17 ++++++++++++++---
 1 file changed, 14 insertions(+), 3 deletions(-)

(limited to 'internal/cache/db.go')

diff --git a/internal/cache/db.go b/internal/cache/db.go
index fe9085613..dd4e8b212 100644
--- a/internal/cache/db.go
+++ b/internal/cache/db.go
@@ -18,6 +18,8 @@
 package cache
 
 import (
+	"sync/atomic"
+
 	"codeberg.org/gruf/go-structr"
 	"github.com/superseriousbusiness/gotosocial/internal/cache/domain"
 	"github.com/superseriousbusiness/gotosocial/internal/config"
@@ -136,6 +138,14 @@ type DBCaches struct {
 	// Instance provides access to the gtsmodel Instance database cache.
 	Instance StructCache[*gtsmodel.Instance]
 
+	// LocalInstance provides caching for
+	// simple + common local instance queries.
+	LocalInstance struct {
+		Domains  atomic.Pointer[int]
+		Statuses atomic.Pointer[int]
+		Users    atomic.Pointer[int]
+	}
+
 	// InteractionRequest provides access to the gtsmodel InteractionRequest database cache.
 	InteractionRequest StructCache[*gtsmodel.InteractionRequest]
 
@@ -849,9 +859,10 @@ func (c *Caches) initInstance() {
 			{Fields: "ID"},
 			{Fields: "Domain"},
 		},
-		MaxSize:   cap,
-		IgnoreErr: ignoreErrors,
-		Copy:      copyF,
+		MaxSize:    cap,
+		IgnoreErr:  ignoreErrors,
+		Copy:       copyF,
+		Invalidate: c.OnInvalidateInstance,
 	})
 }
 
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