Agribusiness.Web.Controllers.PersonController.SetPerson C# (CSharp) Method

        private Person SetPerson(PersonEditModel personEditModel, SeminarPerson seminarPerson, ModelStateDictionary modelState, Person person = null, HttpPostedFileBase profilePic = null)
        {
            modelState.Clear();

            person = person ?? personEditModel.Person;

            // copy all the fields
            Mapper.Map(personEditModel, person);

            SetAddresses(person, personEditModel.Addresses, ModelState);
            SetContacts(person, personEditModel.Contacts, ModelState);

            if (seminarPerson != null)
            {
                SetCommodities(seminarPerson, personEditModel.Commodities);

                if (personEditModel.Firm != null || !string.IsNullOrEmpty(personEditModel.FirmName))
                {
                    seminarPerson.Firm = personEditModel.Firm ?? new Firm(personEditModel.FirmName, personEditModel.FirmDescription) { WebAddress = personEditModel.FirmWebAddress };
                }
                if (personEditModel.Title != null) //Not sure what is happening here. This may fix it.
                {
                    seminarPerson.Title = personEditModel.Title;
                }
            }

            // deal with the image))
            if (profilePic != null)
            {
                // blank out existing image files
                person.OriginalPicture = null;
                person.MainProfilePicture = null;
                person.ThumbnailPicture = null;

                // read the file and set the original picture
                var reader = new BinaryReader(profilePic.InputStream);
                person.OriginalPicture = reader.ReadBytes(profilePic.ContentLength);
                person.ContentType = profilePic.ContentType;
            }

            // run the validation
            person.TransferValidationMessagesTo(modelState);

            return person;
        }