GODT-2187: Skip messages during sync that fail to build/parse

internal/vault/types_user.go

@@ -60,9 +60,10 @@ func (mode AddressMode) String() string {
 }
 
 type SyncStatus struct {
-	HasLabels     bool
-	HasMessages   bool
-	LastMessageID string
+	HasLabels        bool
+	HasMessages      bool
+	LastMessageID    string
+	FailedMessageIDs []string
 }
 
 func (status SyncStatus) IsComplete() bool {

internal/vault/user.go

@@ -21,6 +21,8 @@ import (
 	"fmt"
 
 	"github.com/ProtonMail/gluon/imap"
+	"github.com/bradenaw/juniper/xslices"
+	"golang.org/x/exp/slices"
 )
 
 type User struct {
@@ -158,6 +160,24 @@ func (user *User) SetLastMessageID(messageID string) error {
 	})
 }
 
+// AddFailedMessageID adds a message ID to the list of failed message IDs.
+func (user *User) AddFailedMessageID(messageID string) error {
+	return user.vault.modUser(user.userID, func(data *UserData) {
+		if !slices.Contains(data.SyncStatus.FailedMessageIDs, messageID) {
+			data.SyncStatus.FailedMessageIDs = append(data.SyncStatus.FailedMessageIDs, messageID)
+		}
+	})
+}
+
+// RemFailedMessageID removes a message ID from the list of failed message IDs.
+func (user *User) RemFailedMessageID(messageID string) error {
+	return user.vault.modUser(user.userID, func(data *UserData) {
+		data.SyncStatus.FailedMessageIDs = xslices.Filter(data.SyncStatus.FailedMessageIDs, func(otherID string) bool {
+			return otherID != messageID
+		})
+	})
+}
+
 // ClearSyncStatus clears the user's sync status.
 func (user *User) ClearSyncStatus() error {
 	return user.vault.modUser(user.userID, func(data *UserData) {