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    1: \label{Roles_About}
    2: 
    3: LON-CAPA has two basic types of Roles, {}``domain'' and {}``course''
    4: roles.
    5: 
    6: While LON-CAPA is a role based system, a {}``role'' is really a
    7: collection of {}``permissions'', such as {}``permission to post''
    8: or {}``permission to change student grades''. For a complete list
    9: of currently existing permissions, please consult \texttt{/home/httpd/lonTabs/rolesplain.tab}
   10: in a LON-CAPA install. For a complete definition of the various roles
   11: described below, consult the \texttt{/home/httpd/lonTabs/roles.tab},
   12: in conjunction with the \texttt{rolesplain.tab} file. 
   13: 
   14: Domain Administrators and Course Coordinators can create custom roles,
   15: so the following only discusses the roles that LON-CAPA ships with,
   16: and is not necessarily an exhaustive list, just the common ones. As
   17: a developer, it is generally better to look at the \emph{permissions}
   18: a user has when determining whether they can perform an action, rather
   19: then their specific role.
   20: 
   21: {}``Domain'' roles are roles that apply to the domain in general.
   22: The standard domain roles are:
   23: 
   24: \begin{itemize}
   25: \item \textbf{Domain adminstrator}\index{Domain Adminstrator}: The domain
   26: adminstrator is the {}``superuser'' of that domain. The administrator
   27: can create new users or modify existing users, create new courses,
   28: and assign any role to users for domain or course roles in that domain.
   29: They do not actually have direct control over courses being run in
   30: that domain, but they can freely assign themselves {}``Course Coordinator''
   31: roles for any course in the domain, so they do theoretically have
   32: access to all information in their domain.
   33: \item \textbf{Librarian}\index{Librarian}: The librarian has access to
   34: all the resources in the domain. As the name implies this is generally
   35: for cataloging purposes.
   36: \item \textbf{Domain Guest}\index{Domain Guest}: A Domain Guest has the
   37: priviledges to log on to a domain and view public resources, but does
   38: not belong to any course or have any other priviledges.
   39: \item \textbf{Author}\index{Author}: An author has an authoring space and
   40: the privilidge to create new resources. Please see the Author's Manual
   41: for more information about what an Author can do (http://msu.loncapa.org/adm/help/author.manual.pdf).
   42: \end{itemize}
   43: {}``Course'' roles apply to specific courses. The standard roles
   44: are:
   45: 
   46: \begin{itemize}
   47: \item \textbf{Course Coordinator}\index{Course Coordinator}: The Course
   48: Coordinator has full control over the course, including assigning
   49: roles in the course and such. Typically the person {}``most responsible''
   50: for the course will be given this role, which if there is only one
   51: instructor will be that instructor.
   52: \item \textbf{Instructor}\index{Instructor}: Has power over the students
   53: in the course, but can not assign roles or do other {}``admin''
   54: type things. This role can also be attached to a specific section.
   55: \item \textbf{Student}\index{Student}: Has permission to view the course,
   56: do the homework, use the communication mechanisms unless specifically
   57: banned by the instructors, and little else.
   58: \item \textbf{Teaching Assistant}\index{Teaching Assistant}: Can view and
   59: modify grades of other students, and delete messages from the course
   60: discussion. Can be limited to sections.
   61: \item \textbf{Exam Proctor}\index{Exam Proctor}: Can set grades for students.
   62: Very limited.
   63: \end{itemize}
   64: For an exhaustive list and description of the roles LON-CAPA ships
   65: with, see \texttt{www.loncapa.org/roles.html}.