// Methods
public static List <string> AllIndexesOf(string oldStr, string value, out string str, List <SPFieldValue> item)
{
List <string> list = new List <string>();
str = "";
if (string.IsNullOrEmpty(value))
{
throw new ArgumentException("the string to find may not be empty", "value");
}
List <int> list2 = new List <int>();
int num = 0;
int startIndex = 0;
while (true)
{
startIndex = oldStr.IndexOf(value, startIndex);
if (startIndex == -1)
{
str = oldStr;
return(list);
}
int index = oldStr.IndexOf("}}", (int)(startIndex + 1));
string filter = oldStr.Substring(startIndex + 2, (index - startIndex) - 2);
SPFieldValue value2 = item.FirstOrDefault <SPFieldValue>(a => a.InternalName == filter);
oldStr = oldStr.Replace(oldStr.Substring(startIndex, (index - startIndex) + 2), value2.value);
list.Add(filter);
num++;
startIndex += value.Length;
}
}
public static string UpdateFiles(SPWeb web, string folderName, List <SPFieldValue> fields, List <Attachment> addFiles, List <Attachment> deleteFiles)
{
string message = "ok";
try
{
Guid siteId = web.Site.ID;
SPSecurity.RunWithElevatedPrivileges(delegate
{
using (SPSite site = new SPSite(siteId))
{
using (SPWeb Web = site.OpenWeb())
{
SPList list;
foreach (Attachment attachment in deleteFiles)
{
list = Web.Lists[new Guid(attachment.LookupList)];
Web.AllowUnsafeUpdates = true;
SPFolder folder = Web.GetFolder(list.RootFolder + folderName);
if (!folder.Exists)
{
list.RootFolder.Files[attachment.FileName].Delete();
}
else
{
folder.Files[attachment.FileName].Delete();
}
list.RootFolder.Update();
Web.AllowUnsafeUpdates = false;
}
foreach (Attachment attachment in addFiles)
{
list = web.Lists[new Guid(attachment.LookupList)];
byte[] buffer = Convert.FromBase64String(attachment.Content);
if (!string.IsNullOrEmpty(attachment.FileName))
{
web.AllowUnsafeUpdates = true;
SPFile file = null;
if (folderName == "")
{
file = list.RootFolder.Files.Add(attachment.FileName, buffer, false);
}
else
{
SPFolder folderWithName = web.GetFolder(list.RootFolder + "/" + folderName);
if (!folderWithName.Exists)
{
SPListItem item = list.Folders.Add(list.RootFolder.ServerRelativeUrl, SPFileSystemObjectType.Folder, folderName);
item.Update();
file = item.Folder.Files.Add(attachment.FileName, buffer, false);
}
else
{
file = folderWithName.Files.Add(attachment.FileName, buffer, false);
}
}
file.Item["Title"] = attachment.Title;
file.Item.Update();
web.AllowUnsafeUpdates = false;
SPFieldValue fileFieldValue = new SPFieldValue
{
InternalName = attachment.InternalName,
Type = "File",
LookupList = attachment.LookupList,
value = file.Item.ID.ToString()
};
fields.Add(fileFieldValue);
}
}
}
}
});
}
catch (Exception exception)
{
message = exception.Message;
}
return(message);
}