[bugfix] Sort follows chronologically

The id on the follows table is not a ULID, but a random ID. Sorting on
them results in a completely random order. Instead, sort on created_at,
which sould result in a stable and intended sort order.

Fixes: #2769

internal/db/bundb/relationship.go

@@ -331,7 +331,7 @@ func newSelectFollows(db *bun.DB, accountID string) *bun.SelectQuery {
 		Table("follows").
 		Column("id").
 		Where("? = ?", bun.Ident("account_id"), accountID).
-		OrderExpr("? DESC", bun.Ident("id"))
+		OrderExpr("? DESC", bun.Ident("created_at"))
 }
 
 // newSelectLocalFollows returns a new select query for all rows in the follows table with
@@ -349,7 +349,7 @@ func newSelectLocalFollows(db *bun.DB, accountID string) *bun.SelectQuery {
 				Column("id").
 				Where("? IS NULL", bun.Ident("domain")),
 		).
-		OrderExpr("? DESC", bun.Ident("id"))
+		OrderExpr("? DESC", bun.Ident("created_at"))
 }
 
 // newSelectFollowers returns a new select query for all rows in the follows table with target_account_id = accountID.
@@ -358,7 +358,7 @@ func newSelectFollowers(db *bun.DB, accountID string) *bun.SelectQuery {
 		Table("follows").
 		Column("id").
 		Where("? = ?", bun.Ident("target_account_id"), accountID).
-		OrderExpr("? DESC", bun.Ident("id"))
+		OrderExpr("? DESC", bun.Ident("created_at"))
 }
 
 // newSelectLocalFollowers returns a new select query for all rows in the follows table with
@@ -376,7 +376,7 @@ func newSelectLocalFollowers(db *bun.DB, accountID string) *bun.SelectQuery {
 				Column("id").
 				Where("? IS NULL", bun.Ident("domain")),
 		).
-		OrderExpr("? DESC", bun.Ident("id"))
+		OrderExpr("? DESC", bun.Ident("created_at"))
 }
 
 // newSelectBlocks returns a new select query for all rows in the blocks table with account_id = accountID.

internal/federation/federatingdb/following_test.go

@@ -47,8 +47,8 @@ func (suite *FollowingTestSuite) TestGetFollowing() {
 	suite.Equal(`{
   "@context": "https://www.w3.org/ns/activitystreams",
   "items": [
-    "http://localhost:8080/users/1happyturtle",
-    "http://localhost:8080/users/admin"
+    "http://localhost:8080/users/admin",
+    "http://localhost:8080/users/1happyturtle"
   ],
   "type": "Collection"
 }`, string(fJson))