Block/unblock (#96)

* remote + local block logic, incl. federation

* improve blocking stuff

* fiddle with display of blocked profiles

* go fmt

internal/timeline/remove.go

@@ -1,3 +1,21 @@
+/*
+   GoToSocial
+   Copyright (C) 2021 GoToSocial Authors admin@gotosocial.org
+
+   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 timeline
 
 import (
@@ -58,3 +76,55 @@ func (t *timeline) Remove(statusID string) (int, error) {
 	l.Debugf("removed %d entries", removed)
 	return removed, nil
 }
+
+func (t *timeline) RemoveAllBy(accountID string) (int, error) {
+	l := t.log.WithFields(logrus.Fields{
+		"func":            "RemoveAllBy",
+		"accountTimeline": t.accountID,
+		"accountID":       accountID,
+	})
+	t.Lock()
+	defer t.Unlock()
+	var removed int
+
+	// remove entr(ies) from the post index
+	removeIndexes := []*list.Element{}
+	if t.postIndex != nil && t.postIndex.data != nil {
+		for e := t.postIndex.data.Front(); e != nil; e = e.Next() {
+			entry, ok := e.Value.(*postIndexEntry)
+			if !ok {
+				return removed, errors.New("Remove: could not parse e as a postIndexEntry")
+			}
+			if entry.accountID == accountID || entry.boostOfAccountID == accountID {
+				l.Debug("found status in postIndex")
+				removeIndexes = append(removeIndexes, e)
+			}
+		}
+	}
+	for _, e := range removeIndexes {
+		t.postIndex.data.Remove(e)
+		removed = removed + 1
+	}
+
+	// remove entr(ies) from prepared posts
+	removePrepared := []*list.Element{}
+	if t.preparedPosts != nil && t.preparedPosts.data != nil {
+		for e := t.preparedPosts.data.Front(); e != nil; e = e.Next() {
+			entry, ok := e.Value.(*preparedPostsEntry)
+			if !ok {
+				return removed, errors.New("Remove: could not parse e as a preparedPostsEntry")
+			}
+			if entry.accountID == accountID || entry.boostOfAccountID == accountID {
+				l.Debug("found status in preparedPosts")
+				removePrepared = append(removePrepared, e)
+			}
+		}
+	}
+	for _, e := range removePrepared {
+		t.preparedPosts.data.Remove(e)
+		removed = removed + 1
+	}
+
+	l.Debugf("removed %d entries", removed)
+	return removed, nil
+}