Migrace Problému
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								seminar/migrations/0058_problem_to_uloha_tema_clanek.py
									
									
									
									
									
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								seminar/migrations/0058_problem_to_uloha_tema_clanek.py
									
									
									
									
									
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							|  | @ -0,0 +1,159 @@ | |||
| # -*- coding: utf-8 -*- | ||||
| # Generated by Django 1.11.20 on 2019-05-17 17:44 | ||||
| from __future__ import unicode_literals | ||||
| 
 | ||||
| from django.db import migrations | ||||
| 
 | ||||
| from django.db.models import Q | ||||
| 
 | ||||
| def poskladej_strom(apps, rodic, *texty): | ||||
| 	Text = apps.get_model('seminar', 'Text') | ||||
| 	TextNode = apps.get_model('seminar', 'TextNode') | ||||
| 	if not rodic: | ||||
| 		raise ValueError("Rodič musí být definovaný") | ||||
| 
 | ||||
| 	uz_ma_deti = False | ||||
| 	tn = None | ||||
| 	for txt in texty: | ||||
| 		if not txt: | ||||
| 			continue | ||||
| 		# Přidej do stromu: | ||||
| 		textobj = Text.objects.create(na_web = txt) | ||||
| 		textobj.save() | ||||
| 		textnode = TextNode.objects.create(text = textobj) | ||||
| 		textnode.save() | ||||
| 		if not uz_ma_deti: | ||||
| 			rodic.first_child = textnode | ||||
| 			rodic.save() | ||||
| 			tn = rodic.first_child | ||||
| 			uz_ma_deti = True | ||||
| 		else: | ||||
| 			tn.succ = textnode | ||||
| 			tn.save() | ||||
| 			tn = tn.succ | ||||
| 
 | ||||
| def uloha_to_Uloha(apps,schema_editor): | ||||
| 	Problem = apps.get_model('seminar', 'Problem') | ||||
| 	Uloha = apps.get_model('seminar', 'Uloha') | ||||
| 	Text = apps.get_model('seminar', 'Text') | ||||
| 	UlohaZadaniNode = apps.get_model('seminar', 'UlohaZadaniNode') | ||||
| 	UlohaVzorakNode = apps.get_model('seminar', 'UlohaVzorakNode') | ||||
| 	TextNode = apps.get_model('seminar', 'TextNode') | ||||
| 
 | ||||
| 	ulohy = Problem.objects.filter(typ = 'uloha') | ||||
| 	for uold in ulohy: | ||||
| 		unew = Uloha.objects.create( | ||||
| 			problem = uold, | ||||
| 			# Zakomentované fieldy by se už měly nacházet v příslušném problému | ||||
| 			#nazev = uold.nazev, | ||||
| 			#stav = uold.stav, | ||||
| 			#zamereni = uold.zamereni, | ||||
| 			#poznamka = uold.poznamka, | ||||
| 			#autor = uold.autor, | ||||
| 			#kod = uold.kod, | ||||
| 			cislo_zadani = uold.cislo_zadani_old, | ||||
| 			cislo_reseni = uold.cislo_reseni_old, | ||||
| 			max_body = uold.body, | ||||
| 			#vytvoreno = uold.vytvoreno, | ||||
| 			) | ||||
| #		unew.opravovatele.add(*uold.opravovatele.all()) | ||||
| 		unew.save() | ||||
| 
 | ||||
| 		# Nody: | ||||
| 		zadani_node = UlohaZadaniNode.objects.create(uloha = unew) | ||||
| 		poskladej_strom(apps, zadani_node, uold.text_zadani) | ||||
| 		zadani_node.save() | ||||
| 		vzorak_node = UlohaVzorakNode.objects.create(uloha = unew) | ||||
| 		poskladej_strom(apps, vzorak_node, uold.text_reseni) | ||||
| 		vzorak_node.save() | ||||
| 
 | ||||
| def konfery_rucne(apps, schema_editor): | ||||
| 	# Tohle dělat nebudu, máme aktuálně celou jednu. Ale "Errors should never pass silently" | ||||
| 	Problem = apps.get_model('seminar', 'Problem') | ||||
| 	pocet_konfer = Problem.objects.filter(typ = 'konfera').count() | ||||
| 	if pocet_konfer > 0: | ||||
| 		raise NotImplementedError("Zkonvertuj {} konfer na objekt Konfera ručně, prosím".format(pocet_konfer)) | ||||
| 
 | ||||
| def clanek_to_Clanek(apps,schema_editor): | ||||
| 	Problem = apps.get_model('seminar', 'Problem') | ||||
| 	Clanek = apps.get_model('seminar', 'Clanek') | ||||
| 	ClanekNode = apps.get_model('seminar', 'ClanekNode') | ||||
| 	Text = apps.get_model('seminar', 'Text') | ||||
| 	TextNode = apps.get_model('seminar', 'TextNode') | ||||
| 
 | ||||
| 	clanky = Problem.objects.filter(Q(typ='org-clanek') | Q(typ='res-clanek')) | ||||
| 	for cl in clanky: | ||||
| 		# Vybereme vhodné číslo pro článek z čísla zadání a čísla řešení: | ||||
| 		if cl.cislo_zadani is None: | ||||
| 			cislo = cl.cislo_reseni | ||||
| 		elif cl.cislo_reseni is None: | ||||
| 			cislo = cl.cislo_zadani | ||||
| 		elif cl.cislo_reseni == cl.cislo_zadani: | ||||
| 			cislo = cl.cislo_zadani | ||||
| 		else: | ||||
| 			raise ValueError("Různá čísla zadání a řešení u článku!") | ||||
| 
 | ||||
| 		clnew = Clanek.objects.create( | ||||
| 			problem = cl, | ||||
| 			# Problém by nemělo být potřeba upravovat | ||||
| 			cislo = cislo, | ||||
| 			# Body ignorujeme, protože už jsou v hodnocení | ||||
| 			) | ||||
| 		clnew.save() | ||||
| 
 | ||||
| 		# Aktuálně nemáme v modelu informaci o tom, jestli je to org-článek | ||||
| 		# nebo řešitelský článek. Aby se neztratila informace, poznamenám to do | ||||
| 		# poznámky. | ||||
| 		cl.poznamka += "\nTyp:\t{}".format(cl.typ) | ||||
| 		cl.save() | ||||
| 
 | ||||
| 		# Vyrobíme nody: | ||||
| 		clnode = ClanekNode(clanek = clnew) | ||||
| 		poskladej_strom(apps, clnode, cl.text_zadani, cl.text_reseni) | ||||
| 		clnode.save() | ||||
| 
 | ||||
| def tema_to_Tema(apps, schema_editor): | ||||
| 	Problem = apps.get_model('seminar', 'Problem') | ||||
| 	Tema = apps.get_model('seminar', 'Tema') | ||||
| 	TemaVCisleNode = apps.get_model('seminar', 'TemaVCisleNode') | ||||
| 	Text = apps.get_model('seminar', 'Text') | ||||
| 	TextNode = apps.get_model('seminar', 'TextNode') | ||||
| 	 | ||||
| 	temata = Problem.objects.filter(Q(typ = 'tema') | Q(typ='serial')) | ||||
| 	for t in temata: | ||||
| 		# Vymyslíme správně ročník: | ||||
| 		if t.cislo_zadani is None: | ||||
| 			rocnik = t.cislo_reseni.rocnik | ||||
| 		elif t.cislo_reseni is None: | ||||
| 			rocnik = t.cislo_zadani.rocnik | ||||
| 		elif t.cislo_reseni.rocnik == t.cislo_zadani.rocnik: | ||||
| 			rocnik = t.cislo_zadani.rocnik | ||||
| 		else: | ||||
| 			raise ValueError("Nelze mít téma přes více ročníků!") | ||||
| 
 | ||||
| 		tnew = Tema.objects.create( | ||||
| 			problem = t, | ||||
| 			tema_typ = t.typ, | ||||
| 			rocnik = rocnik, | ||||
| 			) | ||||
| 		tnew.save() | ||||
| 
 | ||||
| 		# Nody: | ||||
| 		tnode = TemaVCisleNode(tema = tnew) | ||||
| 		poskladej_strom(apps, tnode, t.text_zadani, t.text_reseni) | ||||
| 		tnode.save() | ||||
| 
 | ||||
| 
 | ||||
| class Migration(migrations.Migration): | ||||
| 
 | ||||
| 	dependencies = [ | ||||
| 		('seminar', '0057_reseni_to_reseni_hodnoceni'), | ||||
| 	] | ||||
| 
 | ||||
| 	operations = [ | ||||
| 		# ashes to Ashes, dust to Dust.... | ||||
| 		migrations.RunPython(uloha_to_Uloha), | ||||
| 		migrations.RunPython(tema_to_Tema), | ||||
| 		migrations.RunPython(clanek_to_Clanek), | ||||
| 		migrations.RunPython(konfery_rucne), | ||||
| 	] | ||||
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