def post(self):
data = self.application.data
model_ids = self.get_arguments("model")
if len(model_ids) < 2:
self.send_error(400, message="Must select two models for comparison")
return
model1, model2 = yield [
data.find_model_by_id(model_ids[0]),
data.find_model_by_id(model_ids[1])
]
if not model1:
self.send_error(400, message="Model (1) not found: " + model_ids[0])
return
if not model2:
self.send_error(400, message="Model (2) not found: " + model_ids[1])
return
lattice1, lattice2, model_elements1, model_elements2 = yield [
data.find_lattice_by_id(model1.lattice_id),
data.find_lattice_by_id(model2.lattice_id),
data.find_model_elements_by_model_id(model1._id),
data.find_model_elements_by_model_id(model2._id)
]
ctx = ObjectDict()
ctx.model = (model1, model2)
ctx.lattice = (lattice1, lattice2)
n1 = len(model_elements1)
n2 = len(model_elements2)
ctx.model_elements = []
for idx in range(max(n1, n2)):
if idx < n1 and idx < n2:
ctx.model_elements.append((model_elements1[idx], model_elements2[idx]))
elif idx < n1:
ctx.model_elements.append((model_elements1[idx], None))
elif idx < n2:
ctx.model_elements.append((None, model_elements2[idx]))
self.render("latticemodel/model_compare.html", **ctx)
