From 706431c85c2df9125e65294c79f90cefdbd06068 Mon Sep 17 00:00:00 2001
From: heck <heck@pep.foundation>
Date: Mon, 19 Apr 2021 20:20:46 +0200
Subject: [PATCH] pEpSQLite - Add helper function eval_sql_count()

---
 src/pEpSQLite.cc | 26 ++++++++++++++++++++++++++
 src/pEpSQLite.hh |  1 +
 2 files changed, 27 insertions(+)

diff --git a/src/pEpSQLite.cc b/src/pEpSQLite.cc
index 322d8a2..dddc13c 100644
--- a/src/pEpSQLite.cc
+++ b/src/pEpSQLite.cc
@@ -132,6 +132,32 @@ namespace pEp {
         return ss.str();
     }
 
+    //Helper
+    int pEpSQLite::eval_sql_count(const ResultSet& rs, const string& countfieldname)
+    {
+        int rescount = 0;
+        // Get row
+        RSRecord rec{};
+        if (rs.size() != 1) {
+            runtime_error e{ "ListManagerDummy: eval_sql_count() - row count != 1" };
+            throw_with_nested(e);
+        }
+        try {
+            rec = rs.at(0);
+        } catch (...) {
+            runtime_error e{ "ListManagerDummy: eval_sql_count() - cant get row nr 0" };
+            throw_with_nested(e);
+        }
+        // Get field
+        try {
+            rescount = stoi(rec.at(countfieldname));
+        } catch (...) {
+            runtime_error e{ "ListManagerDummy: eval_sql_count() - field not existing" };
+            throw_with_nested(e);
+        }
+        return rescount;
+    }
+
     pEpSQLite::~pEpSQLite()
     {
         pEpLogClass("called");
diff --git a/src/pEpSQLite.hh b/src/pEpSQLite.hh
index 2bd8019..179acc2 100644
--- a/src/pEpSQLite.hh
+++ b/src/pEpSQLite.hh
@@ -35,6 +35,7 @@ namespace pEp {
         // Utils
         static std::string to_string(const RSRecord& rec);
         static std::string to_string(const ResultSet& rs);
+        static int eval_sql_count(const ResultSet& rs, const std::string& countfieldname);
 
         // Logging
         static bool log_enabled;