533 def validate_new_student_project(org_field, mentor_field, student_field):

   534   """Validates the form of a student proposal.

   535 

   536   Args:

   537     org_field: Field containing key_name for org

   538     mentor_field: Field containing the link_id of the mentor

   539     student_field: Field containing the student link_id

   540 

   541   Raises ValidationError if:

   542     -A valid Organization does not exist for the given keyname

   543     -The mentor link_id does not match the mentors for the active organization

   544     -The student link_id does not match a student in the org's Program

   545   """

   546 

   547   def wrapper(self):

   548 

   549     from soc.logic.models.mentor import logic as mentor_logic

   550     from soc.logic.models.organization import logic as org_logic

   551     from soc.logic.models.student import logic as student_logic

   552 

   553     cleaned_data = self.cleaned_data

   554 

   555     org_key_name = cleaned_data.get(org_field)

   556     mentor_link_id = cleaned_data.get(mentor_field)

   557     student_link_id = cleaned_data.get(student_field)

   558 

   559     if not (org_key_name and mentor_link_id and student_link_id):

   560       # we can't do the check the other cleaners will pickup empty fields

   561       return cleaned_data

   562 

   563     org_entity = org_logic.getFromKeyName(org_key_name)

   564 

   565     if not org_entity:

   566       # show error message

   567       raise forms.ValidationError(

   568           ugettext("The given Organization is not valid."))

   569 

   570     fields = {'link_id': mentor_link_id,

   571               'scope': org_entity,

   572               'status': 'active'}

   573 

   574     mentor_entity = mentor_logic.getForFields(fields, unique=True,)

   575 

   576     if not mentor_entity:

   577       # show error message

   578       raise forms.ValidationError(

   579           ugettext("The given Mentor is not valid."))

   580 

   581     fields = {'link_id': student_link_id,

   582               'scope': org_entity.scope,

   583               'status': 'active'}

   584 

   585     student_entity = student_logic.getForFields(fields, unique=True)

   586 

   587     if not student_entity:

   588       #show error message

   589       raise forms.ValidationError(

   590           ugettext("The given Student is not valid."))

   591 

   592     # successfully validated

   593     return cleaned_data

   594 

   595   return wrapper

   596