From e8595f0c64f527af0913d1a426b697e67ff74ac9 Mon Sep 17 00:00:00 2001
From: tobi <31960611+tsmethurst@users.noreply.github.com>
Date: Mon, 20 Mar 2023 19:10:08 +0100
Subject: [chore] Refactor account deleting/block logic, tidy up some other
 processing things (#1599)

* start refactoring account deletion

* update to use state.DB

* further messing about

* some more tidying up

* more tidying, cleaning, nice-making

* further adventures in refactoring and the woes of technical debt

* update fr accept/reject

* poking + prodding

* fix up deleting

* create fave uri

* don't log using requestingAccount.ID because it might be nil

* move getBookmarks function

* use exists query to check for status bookmark

* use deletenotifications func

* fiddle

* delete follow request notif

* split up some db functions

* Fix possible nil pointer panic

* fix more possible nil pointers

* fix license headers

* warn when follow missing (target) account

* return wrapped err when bookmark/fave models can't be retrieved

* simplify self account delete

* warn log likely race condition

* de-sillify status delete loop

* move error check due north

* warn when unfollowSideEffects has no target account

* warn when no boost account is found

* warn + dump follow when no account

* more warnings

* warn on fave account not set

* move for loop inside anonymous function

* fix funky logic

* don't remove mutual account items on block;
do make sure unfollow occurs in both directions!
---
 internal/processing/fromclientapi.go | 64 ++++++++++++++++--------------------
 1 file changed, 28 insertions(+), 36 deletions(-)

(limited to 'internal/processing/fromclientapi.go')

diff --git a/internal/processing/fromclientapi.go b/internal/processing/fromclientapi.go
index a4d4521ce..490fc7d34 100644
--- a/internal/processing/fromclientapi.go
+++ b/internal/processing/fromclientapi.go
@@ -139,8 +139,8 @@ func (p *Processor) processCreateAccountFromClientAPI(ctx context.Context, clien
 		return errors.New("account was not parseable as *gtsmodel.Account")
 	}
 
-	// return if the account isn't from this domain
-	if account.Domain != "" {
+	// Do nothing if this isn't our activity.
+	if !account.IsLocal() {
 		return nil
 	}
 
@@ -383,8 +383,8 @@ func (p *Processor) processReportAccountFromClientAPI(ctx context.Context, clien
 // TODO: move all the below functions into federation.Federator
 
 func (p *Processor) federateAccountDelete(ctx context.Context, account *gtsmodel.Account) error {
-	// do nothing if this isn't our account
-	if account.Domain != "" {
+	// Do nothing if this isn't our activity.
+	if !account.IsLocal() {
 		return nil
 	}
 
@@ -449,8 +449,8 @@ func (p *Processor) federateStatus(ctx context.Context, status *gtsmodel.Status)
 		status.Account = statusAccount
 	}
 
-	// do nothing if this isn't our status
-	if status.Account.Domain != "" {
+	// Do nothing if this isn't our activity.
+	if !status.Account.IsLocal() {
 		return nil
 	}
 
@@ -482,8 +482,8 @@ func (p *Processor) federateStatusDelete(ctx context.Context, status *gtsmodel.S
 		status.Account = statusAccount
 	}
 
-	// do nothing if this isn't our status
-	if status.Account.Domain != "" {
+	// Do nothing if this isn't our activity.
+	if !status.Account.IsLocal() {
 		return nil
 	}
 
@@ -502,8 +502,8 @@ func (p *Processor) federateStatusDelete(ctx context.Context, status *gtsmodel.S
 }
 
 func (p *Processor) federateFollow(ctx context.Context, followRequest *gtsmodel.FollowRequest, originAccount *gtsmodel.Account, targetAccount *gtsmodel.Account) error {
-	// if both accounts are local there's nothing to do here
-	if originAccount.Domain == "" && targetAccount.Domain == "" {
+	// Do nothing if both accounts are local.
+	if originAccount.IsLocal() && targetAccount.IsLocal() {
 		return nil
 	}
 
@@ -524,8 +524,8 @@ func (p *Processor) federateFollow(ctx context.Context, followRequest *gtsmodel.
 }
 
 func (p *Processor) federateUnfollow(ctx context.Context, follow *gtsmodel.Follow, originAccount *gtsmodel.Account, targetAccount *gtsmodel.Account) error {
-	// if both accounts are local there's nothing to do here
-	if originAccount.Domain == "" && targetAccount.Domain == "" {
+	// Do nothing if both accounts are local.
+	if originAccount.IsLocal() && targetAccount.IsLocal() {
 		return nil
 	}
 
@@ -565,8 +565,8 @@ func (p *Processor) federateUnfollow(ctx context.Context, follow *gtsmodel.Follo
 }
 
 func (p *Processor) federateUnfave(ctx context.Context, fave *gtsmodel.StatusFave, originAccount *gtsmodel.Account, targetAccount *gtsmodel.Account) error {
-	// if both accounts are local there's nothing to do here
-	if originAccount.Domain == "" && targetAccount.Domain == "" {
+	// Do nothing if both accounts are local.
+	if originAccount.IsLocal() && targetAccount.IsLocal() {
 		return nil
 	}
 
@@ -604,8 +604,8 @@ func (p *Processor) federateUnfave(ctx context.Context, fave *gtsmodel.StatusFav
 }
 
 func (p *Processor) federateUnannounce(ctx context.Context, boost *gtsmodel.Status, originAccount *gtsmodel.Account, targetAccount *gtsmodel.Account) error {
-	if originAccount.Domain != "" {
-		// nothing to do here
+	// Do nothing if this isn't our activity.
+	if !originAccount.IsLocal() {
 		return nil
 	}
 
@@ -657,13 +657,9 @@ func (p *Processor) federateAcceptFollowRequest(ctx context.Context, follow *gts
 	}
 	targetAccount := follow.TargetAccount
 
-	// if target account isn't from our domain we shouldn't do anything
-	if targetAccount.Domain != "" {
-		return nil
-	}
-
-	// if both accounts are local there's nothing to do here
-	if originAccount.Domain == "" && targetAccount.Domain == "" {
+	// Do nothing if target account *isn't* local,
+	// or both origin + target *are* local.
+	if targetAccount.IsRemote() || originAccount.IsLocal() {
 		return nil
 	}
 
@@ -730,13 +726,9 @@ func (p *Processor) federateRejectFollowRequest(ctx context.Context, followReque
 	}
 	targetAccount := followRequest.TargetAccount
 
-	// if target account isn't from our domain we shouldn't do anything
-	if targetAccount.Domain != "" {
-		return nil
-	}
-
-	// if both accounts are local there's nothing to do here
-	if originAccount.Domain == "" && targetAccount.Domain == "" {
+	// Do nothing if target account *isn't* local,
+	// or both origin + target *are* local.
+	if targetAccount.IsRemote() || originAccount.IsLocal() {
 		return nil
 	}
 
@@ -786,8 +778,8 @@ func (p *Processor) federateRejectFollowRequest(ctx context.Context, followReque
 }
 
 func (p *Processor) federateFave(ctx context.Context, fave *gtsmodel.StatusFave, originAccount *gtsmodel.Account, targetAccount *gtsmodel.Account) error {
-	// if both accounts are local there's nothing to do here
-	if originAccount.Domain == "" && targetAccount.Domain == "" {
+	// Do nothing if both accounts are local.
+	if originAccount.IsLocal() && targetAccount.IsLocal() {
 		return nil
 	}
 
@@ -857,8 +849,8 @@ func (p *Processor) federateBlock(ctx context.Context, block *gtsmodel.Block) er
 		block.TargetAccount = blockTargetAccount
 	}
 
-	// if both accounts are local there's nothing to do here
-	if block.Account.Domain == "" && block.TargetAccount.Domain == "" {
+	// Do nothing if both accounts are local.
+	if block.Account.IsLocal() && block.TargetAccount.IsLocal() {
 		return nil
 	}
 
@@ -893,8 +885,8 @@ func (p *Processor) federateUnblock(ctx context.Context, block *gtsmodel.Block)
 		block.TargetAccount = blockTargetAccount
 	}
 
-	// if both accounts are local there's nothing to do here
-	if block.Account.Domain == "" && block.TargetAccount.Domain == "" {
+	// Do nothing if both accounts are local.
+	if block.Account.IsLocal() && block.TargetAccount.IsLocal() {
 		return nil
 	}
 
-- 
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