[w13] Added solutions

1 files changed, 24 insertions, 0 deletions

diff --git a/week13/Exercise3/ThreadModerator.cpp b/week13/Exercise3/ThreadModerator.cpp
new file mode 100644
index 0000000..047b0ec
--- /dev/null
+++ b/week13/Exercise3/ThreadModerator.cpp
@@ -0,0 +1,24 @@
+#include "ThreadModerator.h"
+#include <cstring>
+
+void ThreadModerator::RemoveMessage(Thread& thread, unsigned index) {
+	if (index >= thread.size) {
+		throw "Index out of range!";
+	}
+
+	delete[] thread.messages[index];
+	for (unsigned i = index; i < thread.size - 1; i++) {
+		thread.messages[i] = thread.messages[i-1];
+	}
+	thread.size--;
+}
+
+void ThreadModerator::RemoveByUser(Thread& thread, const User& poster) {
+	unsigned nameLen = strlen(poster.GetUsername());
+	for (unsigned i = 0; i < thread.size; i++) {
+		if (strncmp(thread.messages[i], poster.GetUsername(), nameLen) == 0) {
+			RemoveMessage(thread, i);
+			i--;
+		}
+	}
+}