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from rest_framework import serializers
from rest_polymorphic.serializers import PolymorphicSerializer
import seminar.models as m
from seminar import treelib
DEFAULT_NODE_DEPTH = 2
class TextSerializer(serializers.ModelSerializer):
class Meta:
model = m.Text
fields = '__all__'
class ProblemSerializer(serializers.ModelSerializer):
class Meta:
model = m.Problem
fields = '__all__'
class UlohaSerializer(serializers.ModelSerializer):
class Meta:
model = m.Uloha
fields = '__all__'
class UlohaVzorakNodeSerializer(serializers.ModelSerializer):
class Meta:
model = m.UlohaVzorakNode
fields = '__all__'
depth = DEFAULT_NODE_DEPTH
class RocnikNodeSerializer(serializers.ModelSerializer):
class Meta:
model = m.RocnikNode
fields = '__all__'
depth = DEFAULT_NODE_DEPTH
class CisloNodeSerializer(serializers.ModelSerializer):
class Meta:
model = m.CisloNode
fields = '__all__'
depth = DEFAULT_NODE_DEPTH
class MezicisloNodeSerializer(serializers.ModelSerializer):
class Meta:
model = m.MezicisloNode
fields = '__all__'
depth = DEFAULT_NODE_DEPTH
class TemaVCisleNodeSerializer(serializers.ModelSerializer):
class Meta:
model = m.TemaVCisleNode
fields = '__all__'
depth = DEFAULT_NODE_DEPTH
class OrgTextNodeSerializer(serializers.ModelSerializer):
class Meta:
model = m.OrgTextNode
fields = '__all__'
depth = DEFAULT_NODE_DEPTH
class PohadkaNodeSerializer(serializers.ModelSerializer):
class Meta:
model = m.PohadkaNode
fields = '__all__'
depth = DEFAULT_NODE_DEPTH
class TextNodeSerializer(serializers.ModelSerializer):
text = TextSerializer()
class Meta:
model = m.TextNode
fields = ('id','text','polymorphic_ctype')
depth = DEFAULT_NODE_DEPTH
class TextNodeWriteSerializer(serializers.ModelSerializer):
text = TextSerializer()
def update(self,node,validated_data):
node.text.na_web = validated_data.get('text').get('na_web')
node.text.save()
return node
class Meta:
model = m.TextNode
fields = ('id','text')
depth = DEFAULT_NODE_DEPTH
class TextNodeCreateSerializer(serializers.ModelSerializer):
text = TextSerializer()
refnode = serializers.CharField()
where = serializers.CharField()
def create(self,validated_data):
temp_text = validated_data.pop('text')
where = validated_data.pop('where')
refnode_id = validated_data.pop('refnode')
refnode = m.TreeNode.objects.get(pk=refnode_id)
text = m.Text.objects.create(**temp_text)
if where == 'syn':
node = treelib.create_child(refnode,m.TextNode,text=text)
elif where == 'za':
node = treelib.create_node_after(refnode,m.TextNode,text=text)
elif where == 'pred':
node = treelib.create_node_before(refnode,m.TextNode,text=text)
node.where = None
node.refnode = None
return node
class Meta:
model = m.TextNode
fields = ('text','where','refnode')
depth = DEFAULT_NODE_DEPTH
class CastNodeSerializer(serializers.ModelSerializer):
class Meta:
model = m.CastNode
fields = '__all__'
depth = DEFAULT_NODE_DEPTH
class CastNodeCreateSerializer(serializers.ModelSerializer):
refnode = serializers.CharField()
where = serializers.CharField()
def create(self,validated_data):
temp_nadpis = validated_data.pop('nadpis')
where = validated_data.pop('where')
refnode_id = validated_data.pop('refnode')
refnode = m.TreeNode.objects.get(pk=refnode_id)
if where == 'syn':
node = treelib.create_child(refnode,m.CastNode,nadpis=temp_nadpis)
elif where == 'za':
node = treelib.create_node_after(refnode,m.CastNode,nadpis=temp_nadpis)
elif where == 'pred':
node = treelib.create_node_before(refnode,m.CastNode,nadpis=temp_nadpis)
node.where = None
node.refnode = None
return node
class Meta:
model = m.CastNode
fields = ('nadpis','where','refnode')
depth = DEFAULT_NODE_DEPTH
class UlohaZadaniNodeSerializer(serializers.ModelSerializer):
class Meta:
model = m.UlohaZadaniNode
fields = '__all__'
depth = DEFAULT_NODE_DEPTH
class UlohaZadaniNodeWriteSerializer(serializers.ModelSerializer):
uloha = UlohaSerializer()
def update(self,node,validated_data):
node.uloha.max_body = validated_data.get('uloha').get('max_body')
node.uloha.kod = validated_data.get('uloha').get('kod')
node.uloha.nazev = validated_data.get('uloha').get('nazev')
node.uloha.save()
return node
class Meta:
model = m.TextNode
fields = ('id','uloha')
depth = DEFAULT_NODE_DEPTH
class UlohaZadaniNodeCreateSerializer(serializers.ModelSerializer):
uloha = UlohaSerializer()
refnode = serializers.IntegerField()
where = serializers.CharField()
def create(self,validated_data):
# text_zadani = validated_data.pop('text_zadani')
temp_uloha = validated_data.pop('uloha')
where = validated_data.pop('where')
refnode_id = validated_data.pop('refnode')
refnode = m.TreeNode.objects.get(pk=refnode_id)
# Z cesty ke koreni stromu zjistime, v jakem jsme tematu a v jakem cisle
cislo = None
tema = None
travelnode = refnode
while travelnode is not None:
if isinstance(travelnode, m.TemaVCisleNode):
tema = travelnode.tema
if isinstance(travelnode, m.CisloNode):
cislo = travelnode.cislo
travelnode = treelib.get_parent(travelnode)
# Vyrobime ulohu
uloha = m.Uloha.objects.create(cislo_zadani=cislo, nadproblem = tema, **temp_uloha)
# A vyrobime UlohaZadaniNode
if where == 'syn':
node = treelib.create_child(refnode,m.UlohaZadaniNode,uloha = uloha)
elif where == 'za':
node = treelib.create_node_after(refnode,m.UlohaZadaniNode,uloha = uloha)
elif where == 'pred':
node = treelib.create_node_before(refnode,m.UlohaZadaniNode,uloha = uloha)
node.where = None
node.refnode = None
node.max_body = None
node.kod = None
return node
class Meta:
model = m.UlohaZadaniNode
fields = ('uloha','where','refnode')
depth = DEFAULT_NODE_DEPTH
class ReseniNodeSerializer(serializers.ModelSerializer):
class Meta:
model = m.ReseniNode
fields = '__all__'
depth = DEFAULT_NODE_DEPTH
class TreeNodeSerializer(PolymorphicSerializer):
model_serializer_mapping = {
m.RocnikNode: RocnikNodeSerializer,
m.CisloNode: CisloNodeSerializer,
m.MezicisloNode: MezicisloNodeSerializer,
m.TemaVCisleNode: TemaVCisleNodeSerializer,
m.OrgTextNode: OrgTextNodeSerializer,
m.UlohaZadaniNode: UlohaZadaniNodeSerializer,
m.UlohaVzorakNode: UlohaVzorakNodeSerializer,
m.PohadkaNode: PohadkaNodeSerializer,
m.TextNode: TextNodeSerializer,
m.CastNode: CastNodeSerializer,
m.ReseniNode: ReseniNodeSerializer,
}