You can get teacher and parents objects from student instance.
student.teacher and student.teachers.all()
01.05.2012 11:46 пользователь "LJ" <ljayad...@gmail.com> написал:
> I have a Student model that stores information about a student,
> including the student's teacher.
> The teacher's information is stored in the Employee model that
> inherits from the Person Model.
> I am having trouble figuring out how to query the teacher, when a
> student id is passed as an ajax argument to the view function.
> I have no trouble returning the data about the parents and the
> student, but my filter for querying the teacher info is incorrect.
> Does anyone have any ideas how I can query for the teacher information
> based on the models below?
>
> #models.py
> class Student(Person):
> grade = models.ForeignKey('schools.Grade')
> school = models.ManyToManyField('schools.School', blank=True,
> null=True, related_name="school")
> parents = models.ManyToManyField('parents.Parent', blank=True,
> null=True)
> teacher = models.ForeignKey(Employee, blank=True, null=True,
> related_name='teacher')
>
> class Employee(Person):
> ''' Employee model inherit Person Model'''
> role=models.ForeignKey(EmployeeType, blank=True, null=True)
> user=models.ForeignKey(User)
> schools =
> models.ManyToManyField(School,blank=True,null=True)
>
> # views.py
> def get_required_meeting_participants(request, template):
> try:
> id=request.GET['id']
> except:
> id=None
>
> parents = Parent.objects.filter(student=id)
> student = Student.objects.filter(pk=id)
> teacher = Employee.objects.filter(pk=student.teacher_id) #this
> line is incorrect...help, please?
>
> data = {
> 'parents': parents,
> 'student': student,
> 'teacher': teacher,
> }
>
> return
> render_to_response(template,data,
> context_instance=RequestContext(request))
>
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