#3200 add: start with outgoing link rewriting implementation

Signed-off-by: Patrizio Bekerle <[email protected]>

Author: pbek

src/entities/note.cpp

@@ -3414,14 +3414,27 @@ QString Note::relativeFilePath(const QString &path) const {
  * @param oldNote
  * @return true if we had to change the current note
  */
-bool Note::handleNoteMoving(const Note &oldNote) {
+bool Note::handleNoteMoving(Note oldNote) {
     const QVector<int> noteIdList = oldNote.findLinkedNoteIds();
     const int noteCount = noteIdList.count();
 
-    if (noteCount == 0) {
-        return false;
+    const auto reverseLinkNotes = oldNote.findReverseLinkNotes();
+    const int reverseLinkNotesCount = reverseLinkNotes.count();
+    bool result = false;
+
+    if (noteCount >= 0) {
+        result = handleLinkedNotesAfterMoving(oldNote, noteIdList);
+    }
+
+    if (reverseLinkNotesCount > 0) {
+        result |= handleReverseLinkedNotesAfterMoving(oldNote, reverseLinkNotes);
     }
 
+    return result;
+}
+
+bool Note::handleLinkedNotesAfterMoving(const Note &oldNote, const QVector<int> &noteIdList) {
+    const int noteCount = noteIdList.count();
     const QString oldUrl = getNoteURL(oldNote.getName());
     const QString newUrl = getNoteURL(_name);
 
@@ -3438,7 +3451,7 @@ bool Note::handleNoteMoving(const Note &oldNote) {
             QStringLiteral("note-replace-links")) == QMessageBox::Yes) {
         // replace the urls in all found notes
         for (const int noteId : noteIdList) {
-            Note note = Note::fetch(noteId);
+            Note note = fetch(noteId);
 
             if (!note.isFetched()) {
                 continue;
@@ -3501,6 +3514,23 @@ bool Note::handleNoteMoving(const Note &oldNote) {
     return noteIdList.contains(_id);
 }
 
+bool Note::handleReverseLinkedNotesAfterMoving(
+    const Note &oldNote, const QHash<Note, QSet<BacklinkHit>> &reverseLinkNotes) {
+    // Iterate over reverseLinkNotes
+    for (auto it = reverseLinkNotes.begin(); it != reverseLinkNotes.end(); ++it) {
+        const Note &backlinkNote = it.key();
+        const QSet<BacklinkHit> &linkTextList = it.value();
+
+        qDebug() << __func__ << " - 'oldNote': " << oldNote;
+
+        qDebug() << __func__ << " - 'backlinkNote': " << backlinkNote;
+        qDebug() << __func__ << " - 'linkTextList': " << linkTextList;
+    }
+
+    // TODO: Change to true if we had to change the current note
+    return false;
+}
+
 QSet<Note> Note::findBacklinks() const {
     const QVector<int> noteIdList = this->findLinkedNoteIds();
     const int noteCount = noteIdList.count();
@@ -4170,3 +4200,8 @@ bool Note::operator==(const Note &note) const {
     return _id == note.getId() && _fileName == note.getFileName() &&
            _noteSubFolderId == note.getNoteSubFolderId();
 }
+
+QDebug operator<<(QDebug dbg, const BacklinkHit &hit) {
+    dbg.nospace() << "BacklinkHit(markdown: " << hit.markdown << ", text: " << hit.text << ')';
+    return dbg.space();
+}

src/entities/note.h

@@ -25,6 +25,8 @@ struct BacklinkHit {
         return markdown == other.markdown && text == other.text;
     }
 
+    friend QDebug operator<<(QDebug dbg, const BacklinkHit &hit);
+
     QString markdown;
     QString text;
 };
@@ -272,7 +274,7 @@ class Note {
 
     QVector<int> findLinkedNoteIds() const;
 
-    bool handleNoteMoving(const Note &oldNote);
+    bool handleNoteMoving(Note oldNote);
 
     static QString createNoteHeader(const QString &name);
 
@@ -422,6 +424,9 @@ class Note {
 
     void addTextToBacklinkNoteHashIfFound(const Note &note, const QString &pattern);
     void addTextToBacklinkNoteHashIfFound(const Note &note, const QRegularExpression &pattern);
+    bool handleReverseLinkedNotesAfterMoving(
+        const Note &oldNote, const QHash<Note, QSet<BacklinkHit>> &reverseLinkNotes);
+    bool handleLinkedNotesAfterMoving(const Note &oldNote, const QVector<int> &noteIdList);
 };
 
 inline uint qHash(const Note &note, uint seed) { return qHash(note.getId(), seed); }