[feature/performance] Store account stats in separate table (#2831)

* [feature/performance] Store account stats in separate table, get stats from remote

* test account stats

* add some missing increment / decrement calls

* change stats function signatures

* rejig logging a bit

* use lock when updating stats

1 files changed, 33 insertions, 0 deletions

diff --git a/internal/gtsmodel/accountstats.go b/internal/gtsmodel/accountstats.go
new file mode 100644
index 000000000..92b50d5e3
--- /dev/null
+++ b/internal/gtsmodel/accountstats.go
@@ -0,0 +1,33 @@
+// GoToSocial
+// Copyright (C) GoToSocial Authors admin@gotosocial.org
+// SPDX-License-Identifier: AGPL-3.0-or-later
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+package gtsmodel
+
+import "time"
+
+// AccountStats models statistics
+// for a remote or local account.
+type AccountStats struct {
+	AccountID           string    `bun:"type:CHAR(26),pk,nullzero,notnull,unique"` // AccountID of this AccountStats.
+	RegeneratedAt       time.Time `bun:"type:timestamptz,nullzero"`                // Time this stats model was last regenerated (ie., created from scratch using COUNTs).
+	FollowersCount      *int      `bun:",nullzero,notnull"`                        // Number of accounts following AccountID.
+	FollowingCount      *int      `bun:",nullzero,notnull"`                        // Number of accounts followed by AccountID.
+	FollowRequestsCount *int      `bun:",nullzero,notnull"`                        // Number of pending follow requests aimed at AccountID.
+	StatusesCount       *int      `bun:",nullzero,notnull"`                        // Number of statuses created by AccountID.
+	StatusesPinnedCount *int      `bun:",nullzero,notnull"`                        // Number of statuses pinned by AccountID.
+	LastStatusAt        time.Time `bun:"type:timestamptz,nullzero"`                // Time of most recent status created by AccountID.
+}