S2U-36 - 5.2.1.1 Announcements: Ability to assign announcements to roles

Original description:

La herramienta Anuncios del LMS Sakai permite publicar anuncios en un sitio, visibles para los usuarios de ese sitio según ciertos controles de acceso que permiten restringir el anuncio a los usuarios del sitio o hacerlo público a todos los usuarios del LMS. El desarrollo añadirá una tercera opción de configuración de acceso al publicar un anuncio que permitirá restringir su visibilidad a los distintos roles existentes dentro del sitio.

English description:

The announcements tool allows to release an announcement to a site, visible for all the site users, it can also be public and it can also be assigned to a groups. This feature will add a fourth option to release the announcement to a role, so only members with that role will access the announcement.

Test plan:

1. Create a site.

2. Create some groups.

3. Add some members as Student, Instructor and TAs.

4. As instructor, add an announcement, it should list the ‘display to roles’ option.

   1. Create an announcement assigned to students.

   2. Create an announcement assigned to instructors.

   3. Create an announcement assigned to TA.

5. As a different instructor, you should only see B.

6. As student, you should see only A.

7. As TA, you should see only C.

8. As admin, you should see everything.

9. As the owner, the original instructor, you should see A, B and C.

Prototype: