From 0a6229931ac90fa8914dbdafef51adf5ca92a206 Mon Sep 17 00:00:00 2001
From: Christian Mollekopf <chrigi_1@fastmail.fm>
Date: Fri, 27 Jul 2018 12:18:06 +0200
Subject: All xapian stuff in a central place

---
 common/fulltextindex.cpp | 34 ++++++++++++++++++++++++++++++++++
 common/fulltextindex.h   |  7 +++++++
 2 files changed, 41 insertions(+)

(limited to 'common')

diff --git a/common/fulltextindex.cpp b/common/fulltextindex.cpp
index 164a5b9..b1c6178 100644
--- a/common/fulltextindex.cpp
+++ b/common/fulltextindex.cpp
@@ -182,3 +182,37 @@ QVector<QByteArray> FulltextIndex::lookup(const QString &searchTerm)
     return results;
 }
 
+qint64 FulltextIndex::getDoccount() const
+{
+    if (!mDb) {
+        return -1;
+    }
+    try {
+        return mDb->get_doccount();
+    } catch (const Xapian::Error &) {
+        // Nothing to do, move along
+    }
+    return  -1;
+}
+
+FulltextIndex::Result FulltextIndex::getIndexContent(const QByteArray &identifier) const
+{
+    if (!mDb) {
+        {};
+    }
+    try {
+        auto id = "Q" + identifier.toStdString();
+        Xapian::PostingIterator p = mDb->postlist_begin(id);
+        if (p != mDb->postlist_end(id)) {
+            auto document = mDb->get_document(*p);
+            QStringList terms;
+            for (auto it = document.termlist_begin(); it != document.termlist_end(); it++) {
+                terms << QString::fromStdString(*it);
+            }
+            return {true, terms};
+        }
+    } catch (const Xapian::Error &) {
+        // Nothing to do, move along
+    }
+    return {};
+}
diff --git a/common/fulltextindex.h b/common/fulltextindex.h
index e06f29d..f24af3b 100644
--- a/common/fulltextindex.h
+++ b/common/fulltextindex.h
@@ -29,6 +29,13 @@ public:
 
     QVector<QByteArray> lookup(const QString &key);
 
+    qint64 getDoccount() const;
+    struct Result {
+        bool found{false};
+        QStringList terms;
+    };
+    Result getIndexContent(const QByteArray &identifier) const;
+
 private:
     Xapian::WritableDatabase* writableDatabase();
     Q_DISABLE_COPY(FulltextIndex);
-- 
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