1 files changed, 99 insertions, 0 deletions
diff --git a/internal/processing/timeline.go b/internal/processing/timeline.go
new file mode 100644
index 000000000..b7c8e5dc7
--- /dev/null
+++ b/internal/processing/timeline.go
@@ -0,0 +1,99 @@
+/*
+   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 processing
+
+import (
+	"fmt"
+
+	apimodel "github.com/superseriousbusiness/gotosocial/internal/api/model"
+	"github.com/superseriousbusiness/gotosocial/internal/db"
+	"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
+	"github.com/superseriousbusiness/gotosocial/internal/oauth"
+)
+
+func (p *processor) HomeTimelineGet(authed *oauth.Auth, maxID string, sinceID string, minID string, limit int, local bool) ([]apimodel.Status, ErrorWithCode) {
+	l := p.log.WithField("func", "HomeTimelineGet")
+
+	statuses, err := p.db.GetHomeTimelineForAccount(authed.Account.ID, maxID, sinceID, minID, limit, local)
+	if err != nil {
+		return nil, NewErrorInternalError(err)
+	}
+
+	apiStatuses := []apimodel.Status{}
+	for _, s := range statuses {
+		targetAccount := &gtsmodel.Account{}
+		if err := p.db.GetByID(s.AccountID, targetAccount); err != nil {
+			if _, ok := err.(db.ErrNoEntries); ok {
+				l.Debugf("skipping status %s because account %s can't be found in the db", s.ID, s.AccountID)
+				continue
+			}
+			return nil, NewErrorInternalError(fmt.Errorf("HomeTimelineGet: error getting status author: %s", err))
+		}
+
+		relevantAccounts, err := p.db.PullRelevantAccountsFromStatus(s)
+		if err != nil {
+			l.Debugf("skipping status %s because we couldn't pull relevant accounts from the db", s.ID)
+			continue
+		}
+
+		visible, err := p.db.StatusVisible(s, targetAccount, authed.Account, relevantAccounts)
+		if err != nil {
+			return nil, NewErrorInternalError(fmt.Errorf("HomeTimelineGet: error checking status visibility: %s", err))
+		}
+		if !visible {
+			continue
+		}
+
+		var boostedStatus *gtsmodel.Status
+		if s.BoostOfID != "" {
+			bs := &gtsmodel.Status{}
+			if err := p.db.GetByID(s.BoostOfID, bs); err != nil {
+				if _, ok := err.(db.ErrNoEntries); ok {
+					l.Debugf("skipping status %s because status %s can't be found in the db", s.ID, s.BoostOfID)
+					continue
+				}
+				return nil, NewErrorInternalError(fmt.Errorf("HomeTimelineGet: error getting boosted status: %s", err))
+			}
+			boostedRelevantAccounts, err := p.db.PullRelevantAccountsFromStatus(bs)
+			if err != nil {
+				l.Debugf("skipping status %s because we couldn't pull relevant accounts from the db", s.ID)
+				continue
+			}
+
+			boostedVisible, err := p.db.StatusVisible(bs, relevantAccounts.BoostedAccount, authed.Account, boostedRelevantAccounts)
+			if err != nil {
+				return nil, NewErrorInternalError(fmt.Errorf("HomeTimelineGet: error checking boosted status visibility: %s", err))
+			}
+
+			if boostedVisible {
+				boostedStatus = bs
+			}
+		}
+
+		apiStatus, err := p.tc.StatusToMasto(s, targetAccount, authed.Account, relevantAccounts.BoostedAccount, relevantAccounts.ReplyToAccount, boostedStatus)
+		if err != nil {
+			l.Debugf("skipping status %s because it couldn't be converted to its mastodon representation: %s", s.ID, err)
+			continue
+		}
+
+		apiStatuses = append(apiStatuses, *apiStatus)
+	}
+
+	return apiStatuses, nil
+}