Implement more functions for working with local_time

src/espchrono.cpp

@@ -215,6 +215,20 @@ utc_clock::time_point fromDateTime(DateTime ts)
         };
 }
 
+local_clock::time_point fromDateTime(LocalDateTime ts)
+{
+    const sys_days date = ts.date;
+    return local_clock::time_point {
+        date.time_since_epoch()
+            + std::chrono::hours{ts.hour}
+            + std::chrono::minutes{ts.minute}
+            + std::chrono::seconds{ts.second}
+            + std::chrono::milliseconds{ts.millisecond}
+            + std::chrono::microseconds{ts.microsecond}
+        , ts.timezone, ts.dst
+        };
+}
+
 std::expected<DateTime, std::string> parseDateTime(std::string_view str)
 {
     // both valid:
@@ -311,4 +325,9 @@ time_t toTimeT(utc_clock::time_point ts)
 {
     return std::chrono::duration_cast<std::chrono::seconds>(ts.time_since_epoch()).count();
 }
+
+time_t toTimeT(local_clock::time_point ts)
+{
+    return std::chrono::duration_cast<std::chrono::seconds>(ts.time_since_epoch()).count();
+}
 } // namespace espchrono

src/espchrono.h

@@ -195,6 +195,7 @@ DateTime toDateTime(std::chrono::microseconds ts);
 DateTime toDateTime(utc_clock::time_point ts);
 LocalDateTime toDateTime(local_clock::time_point ts);
 utc_clock::time_point fromDateTime(DateTime ts);
+local_clock::time_point fromDateTime(LocalDateTime ts);
 
 std::expected<DateTime, std::string> parseDateTime(std::string_view str);
 
@@ -214,4 +215,5 @@ std::string toString(minutes32 val);
 std::string toString(hours32 val);
 
 time_t toTimeT(utc_clock::time_point ts);
+time_t toTimeT(local_clock::time_point ts);
 } // namespace espchrono