public InstructorAdapter(List <Instructor> instructors)
{
_instructors = instructors;
sectionHeaders = SectionIndexerBuilder.BuildSectionHeaders(instructors);
positionForSectionMap = SectionIndexerBuilder.BuildPositionForSectionMap(instructors);
sectionForPositionMap = SectionIndexerBuilder.BuildSectionForPositionMap(instructors);
}
public ChatAdapter(List <Chat> chats)
{
this.chats = chats;
sectionHeaders = SectionIndexerBuilder.BuildSectionHeaders(chats);
positionForSectionMap = SectionIndexerBuilder.BuildPositionForSectionMap(chats);
sectionForPositionMap = SectionIndexerBuilder.BuildSectionForPositionMap(chats);
}