def learning_unit_comparison(request, learning_unit_year_id):
learning_unit_yr = get_object_or_404(
mdl.learning_unit_year.LearningUnitYear.objects.all().select_related(
'learning_unit', 'learning_container_year'),
pk=learning_unit_year_id)
context = get_learning_unit_comparison_context(learning_unit_yr)
previous_academic_yr = mdl.academic_year.find_academic_year_by_year(
learning_unit_yr.academic_year.year - 1)
previous_lu = _get_learning_unit_year(previous_academic_yr,
learning_unit_yr)
previous_values = compare_learning_unit_years(learning_unit_yr,
previous_lu)
previous_lcy_values = compare_learning_container_years(
learning_unit_yr.learning_container_year,
previous_lu.learning_container_year)
next_academic_yr = mdl.academic_year.find_academic_year_by_year(
learning_unit_yr.academic_year.year + 1)
next_lu = _get_learning_unit_year(next_academic_yr, learning_unit_yr)
next_values = compare_learning_unit_years(learning_unit_yr, next_lu)
next_lcy_values = compare_learning_container_years(
learning_unit_yr.learning_container_year,
next_lu.learning_container_year)
previous_context = get_learning_unit_comparison_context(previous_lu)
next_context = get_learning_unit_comparison_context(next_lu)
if _has_changed(context, next_context, previous_context,
'learning_container_year_partims'):
context.update({
'partims': {
'prev':
get_partims_as_str(
previous_context.get('learning_container_year_partims')),
'current':
get_partims_as_str(
context.get('learning_container_year_partims')),
'next':
get_partims_as_str(
next_context.get('learning_container_year_partims'))
}
})
context.update({
'previous_values':
previous_values,
'previous_academic_yr':
previous_academic_yr,
'next_academic_yr':
next_academic_yr,
'next_values':
next_values,
'fields':
get_keys(list(previous_values.keys()), list(next_values.keys())),
'entity_changes':
_get_changed_organization(context, previous_context, next_context),
'fields_lcy':
get_keys(list(previous_lcy_values.keys()),
list(next_lcy_values.keys())),
'previous_lcy_values':
previous_lcy_values,
'next_lcy_values':
next_lcy_values,
'components_comparison':
get_components_changes(previous_context['components'],
context['components'],
next_context['components'])
})
return layout.render(request, "learning_unit/comparison.html", context)
def test_get_keys(self):
self.assertCountEqual(get_keys(['a1', 'c3'], ['a1', 'b2', 'c1']),
['a1', 'b2', 'c1', 'c3'])
def learning_unit_comparison(request, learning_unit_year_id):
learning_unit_yr = get_object_or_404(
mdl.learning_unit_year.LearningUnitYear.objects.all().select_related(
'learning_unit', 'learning_container_year'),
pk=learning_unit_year_id)
context = get_learning_unit_comparison_context(learning_unit_yr)
previous_academic_yr = mdl.academic_year.find_academic_year_by_year(
learning_unit_yr.academic_year.year - 1)
previous_lu = _get_learning_unit_year(previous_academic_yr,
learning_unit_yr)
if previous_lu:
previous_values = compare_learning_unit_years(learning_unit_yr,
previous_lu)
previous_lcy_values = compare_learning_container_years(
learning_unit_yr.learning_container_year,
previous_lu.learning_container_year)
previous_context = get_learning_unit_comparison_context(previous_lu)
else:
previous_values, previous_lcy_values, previous_context = {}, {}, {}
next_academic_yr = mdl.academic_year.find_academic_year_by_year(
learning_unit_yr.academic_year.year + 1)
next_lu = _get_learning_unit_year(next_academic_yr, learning_unit_yr)
if next_lu:
next_values = compare_learning_unit_years(learning_unit_yr, next_lu)
next_lcy_values = compare_learning_container_years(
learning_unit_yr.learning_container_year,
next_lu.learning_container_year)
next_context = get_learning_unit_comparison_context(next_lu)
else:
next_values, next_lcy_values, next_context = {}, {}, {}
if (previous_lu or next_lu) and \
_has_changed(context, next_context, previous_context, 'learning_container_year_partims'):
context.update({
'partims': {
'prev':
get_partims_as_str(
previous_context.get('learning_container_year_partims',
{})),
'current':
get_partims_as_str(
context.get('learning_container_year_partims')),
'next':
get_partims_as_str(
next_context.get('learning_container_year_partims', {})),
}
})
context.update({
'previous_values':
previous_values,
'previous_academic_yr':
previous_academic_yr,
'next_academic_yr':
next_academic_yr,
'next_values':
next_values,
'fields':
get_keys(list(previous_values.keys()), list(next_values.keys())),
'entity_changes':
_get_changed_organization(context, previous_context, next_context),
'fields_lcy':
get_keys(list(previous_lcy_values.keys()),
list(next_lcy_values.keys())),
'previous_lcy_values':
previous_lcy_values,
'next_lcy_values':
next_lcy_values,
'components_comparison':
get_components_changes(previous_context.get('components', {}),
context.get('components', {}),
next_context.get('components', {})),
'previous_lu':
previous_lu,
'next_lu':
next_lu,
})
_add_warnings_for_inexisting_luy(request, next_academic_yr, next_lu)
_add_warnings_for_inexisting_luy(request, previous_academic_yr,
previous_lu)
return render(request, "learning_unit/comparison.html", context)
else:
display_error_messages(
request,
_('Comparison impossible! No learning unit to compare to'))
return HttpResponseRedirect(
reverse('learning_unit', args=[learning_unit_year_id]))