Scenario - Suppose you have a SharePoint site collection and you would like to add a new group to all sites and sub-sites (Unique Permissions).
The following code creates a group to all sites based on the permission type and name it with "SITENAME_PERMISSION". You can change it to any parameter.
The following code creates a group to all sites based on the permission type and name it with "SITENAME_PERMISSION". You can change it to any parameter.
using (ClientContext clientContextSub = new ClientContext(strSiteUrl))
{
SecureString passWord = new SecureString();
foreach (char c in password.ToCharArray()) passWord.AppendChar(c);
clientContextSub.Credentials = new SharePointOnlineCredentials(userName,
passWord);
clientContextSub.ExecuteQuery();
try
{
Web webSubWeb = clientContextSub.Web;
GroupCollection groupCollection = webSubWeb.SiteGroups;
clientContextSub.Load(webSubWeb.RoleAssignments);
clientContextSub.Load(
webSubWeb,
web2SubWebSubNode =>
web2SubWebSubNode.Title,
web2SubWebSubNode =>
web2SubWebSubNode.Url,
web2SubWebSubNode =>
web2SubWebSubNode.LastItemModifiedDate,
web2SubWebSubNode =>
web2SubWebSubNode.HasUniqueRoleAssignments);
clientContextSub.ExecuteQuery();
if
(webSubWeb.HasUniqueRoleAssignments)
{
bool _permissionGroupAvailable = false;
string _groupNameToAssign
= string.Empty;
string groupOwener = string.Empty;
foreach (RoleAssignment
assignment in
webSubWeb.RoleAssignments)
{
try
{
string Role = string.Empty;
clientContextSub.Load(assignment.Member);
clientContextSub.Load(assignment.RoleDefinitionBindings);
clientContextSub.ExecuteQuery();
foreach (RoleDefinition roleDef
in
assignment.RoleDefinitionBindings)
{
//CMBAddGroup
is selected permission type from a dropdown (Ex- Full Control, Read,
Contribute)
if (roleDef.Name.ToString().Trim() ==
cmbAddGroup.SelectedItem.ToString().Trim())
{
_permissionGroupAvailable = true;
break;
}
}
if (_permissionGroupAvailable)
{ break; }
}
catch (Exception ex)
{
continue;
}
}
if
(!(_permissionGroupAvailable))
{
{
_groupNameToAssign
= webSubWeb.Title + "_" + cmbAddGroup.SelectedItem.ToString();
GroupCreationInformation newGroupInfo = new GroupCreationInformation();
newGroupInfo.Title=_groupNameToAssign.ToString();
Group groupExist =
webSubWeb.SiteGroups.GetByName(_groupNameToAssign);
if (groupExist == null)
{
Group oGroup = webSubWeb.SiteGroups.Add(newGroupInfo);
RoleDefinitionBindingCollection collRoleDefinitionBinding = new RoleDefinitionBindingCollection(clientContextSub);
RoleDefinition oRoleDefinition =
webSubWeb.RoleDefinitions.GetByName(cmbAddGroup.SelectedItem.ToString());
collRoleDefinitionBinding.Add(oRoleDefinition);
webSubWeb.RoleAssignments.Add(oGroup,
collRoleDefinitionBinding);
clientContextSub.Load(oGroup,
group => group.Title);
clientContextSub.Load(oRoleDefinition,role
=> role.Name);
clientContextSub.ExecuteQuery();
}
else
{
RoleDefinitionBindingCollection collRoleDefinitionBinding = new RoleDefinitionBindingCollection(clientContextSub);
RoleDefinition oRoleDefinition =
webSubWeb.RoleDefinitions.GetByName(cmbAddGroup.SelectedItem.ToString());
collRoleDefinitionBinding.Add(oRoleDefinition);
webSubWeb.RoleAssignments.Add(groupExist,
collRoleDefinitionBinding);
clientContextSub.Load(groupExist,
group => group.Title);
clientContextSub.Load(oRoleDefinition,role
=> role.Name);
clientContextSub.ExecuteQuery();
}
}
}
}
}
catch (Exception ex)
{
helpClass.ErrorLog("", "Error MESSAGE: " +
ex.Message);
}
}
}
