Use ENCODINGTIME to set the added time, if present, otherwise use the last modified time of the file (only during the first import), fixes #595

src/libs/core/impl/String.cpp

@@ -476,6 +476,12 @@ namespace lms::core::stringUtils
         return date.toString("yyyy-MM-dd").toUTF8();
     }
 
+    Wt::WDateTime fromISO8601String(std::string_view dateTime)
+    {
+        // assume UTC
+        return Wt::WDateTime::fromString(Wt::WString{ std::string{ dateTime } }, "yyyy-MM-ddThh:mm:ss.zzz");
+    }
+
     std::string formatTimestamp(std::chrono::milliseconds timestamp)
     {
         using namespace std::chrono;

src/libs/core/include/core/String.hpp

@@ -116,6 +116,8 @@ namespace lms::core::stringUtils
     [[nodiscard]] std::string toISO8601String(const Wt::WDateTime& dateTime);
     [[nodiscard]] std::string toISO8601String(const Wt::WDate& date);
 
+    [[nodiscard]] Wt::WDateTime fromISO8601String(std::string_view dateTime);
+
     // to "[minutes:seconds.milliseconds]"
     std::string formatTimestamp(std::chrono::milliseconds timestamp);
 } // namespace lms::core::stringUtils

src/libs/core/test/String.cpp

@@ -299,18 +299,25 @@ namespace lms::core::stringUtils::tests
         }
     }
 
-    TEST(Stringutils, date)
+    TEST(Stringutils, DateToString)
     {
         const Wt::WDate date{ 2020, 01, 03 };
         EXPECT_EQ(toISO8601String(date), "2020-01-03");
     }
 
-    TEST(Stringutils, dateTime)
+    TEST(Stringutils, DateTimeToString)
     {
         const Wt::WDateTime dateTime{ Wt::WDate{ 2020, 01, 03 }, Wt::WTime{ 9, 8, 11, 75 } };
         EXPECT_EQ(toISO8601String(dateTime), "2020-01-03T09:08:11.075");
     }
 
+    TEST(Stringutils, DateTimeFromString)
+    {
+        EXPECT_EQ(fromISO8601String("2020-01-03T09:08:11.075"), (Wt::WDateTime{ Wt::WDate{ 2020, 01, 03 }, Wt::WTime{ 9, 8, 11, 75 } }));
+        EXPECT_EQ(fromISO8601String("2020-01-03"), Wt::WDateTime{});
+        EXPECT_EQ(fromISO8601String(""), Wt::WDateTime{});
+    }
+
     TEST(StringUtils, stringEndsWith)
     {
         EXPECT_TRUE(stringEndsWith("FooBar", "Bar"));