public IActionResult AddGroup([FromBody] GroupCreateRequestModel addGroupRequestModel)
{
//use groupname to identify group,because the id is invisible to user
if (_databaseService.Groups.FirstOrDefault(t => t.GroupName == addGroupRequestModel.GroupName) != null)
{
throw new GroupnameDuplicatedException("Groupname duplicated.");
}
//initialize new group and save it to database
Group group = new Group();
group.GroupName = addGroupRequestModel.GroupName;
_databaseService.Groups.Add(group);
//obtain the user
var user = HttpContext.Items["actor"] as User;
//initialize grouptouser and save it to database
GroupToUser groupToUser = new GroupToUser();
groupToUser.Group = group;
groupToUser.GroupId = group.Id;
groupToUser.User = user;
groupToUser.UserId = user.Id;
_databaseService.GroupsToUsersRelation.Add(groupToUser);
// initial group permission to the new group
_databaseService.UserToPermissionRelation.Add(new UserToPermission()
{
User = user,
UserId = user.Id,
Permission = PermissionBank.GroupOperationPermission(group.GroupName, "member", "add")
});
_databaseService.UserToPermissionRelation.Add(new UserToPermission()
{
User = user,
UserId = user.Id,
Permission = PermissionBank.GroupOperationPermission(group.GroupName, "member", "remove")
});
_databaseService.UserToPermissionRelation.Add(new UserToPermission()
{
User = user,
UserId = user.Id,
Permission = PermissionBank.GroupOperationPermission(group.GroupName, "", "delete")
});
_databaseService.GroupsToPermissionsRelation.Add(new GroupToPermission()
{
Group = group,
GroupId = group.Id,
Permission = PermissionBank.GroupOperationPermission(group.GroupName, "member", "list")
});
//find the grouptouser in the database
//below is how to input parameters when the entity has composite key values:
//"The ordering of composite key values is as defined in the EDM, which is in turn as defined in the designer, by the Code First fluent API, or by the DataMember attribute."
// var groupToUser_db = _databaseService.GroupsToUsersRelation.Find(groupToUser.GroupId, groupToUser.UserId);
//waiting for adding permissions for the group
if (!_databaseService.Files.Any(s => s.Path == $"/groups/{group.GroupName}"))
{
var groupDirectory = EntityFile.CreateDirectoryRecord(group.GroupName, "/groups", $"/groups/{group.GroupName}", user);
_databaseService.Files.Add(groupDirectory);
}
_databaseService.SaveChanges();
return(Ok(new GroupCreateResultModel(group)));
}
public Response <GroupModel> CreateGroup(GroupCreateRequestModel model)
{
return(_studentHandler.CreateGroup(model));
}
