mamweb/db_compare.py

#!/usr/bin/python3

import psycopg2
import psycopg2.extras

OLD_DB = "mam_old"
NEW_DB = "mamweb"

oldconn = psycopg2.connect(f"dbname={OLD_DB}")
newconn = psycopg2.connect(f"dbname={NEW_DB}")

oldcur = oldconn.cursor(cursor_factory=psycopg2.extras.DictCursor)
newcur = newconn.cursor(cursor_factory=psycopg2.extras.DictCursor)


# Uses global variables oldcur, newcur!
def execute_simple(old_query, new_query=None):
	if new_query is None:
		new_query = old_query

	oldcur.execute(old_query)
	newcur.execute(new_query)

	if oldcur.rowcount != newcur.rowcount:
		raise ValueError(f"Queries '{old_query}' and '{new_query}' returned different number of rows ({oldcur.rowcount} and {newcur.rowcount})")

	return(oldcur.fetchall(), newcur.fetchall())

def check_same(old_row, new_row, old_fields, new_fields=None):
	if type(old_fields) != list:
		old_fields = [old_fields]

	if new_fields is None:
		new_fields = old_fields
	
	fields = zip(old_fields, new_fields)

	for old_field, new_field in fields:
		if old_row[old_field] == new_row[new_field]:
			continue
		raise ValueError(f"Fields '{old_field}' and '{new_field}' differs for rows \n'{old_row}' and \n'{new_row}'")
	return True

def get_user_id_for_org_id(org_id):
	query = """SELECT auth_user.id FROM auth_user 
		INNER JOIN seminar_osoby ON seminar_osoby.user_id = auth_user.id
		INNER JOIN seminar_organizator ON seminar_organizator.osoba_id = seminar_osoby.id
		WHERE seminar_organizator.id = %s """
	
	newcur.execute(query,(org_id,))
	return newcur.fetchone()['id']
	



def check_skola():
	old_query = "SELECT * FROM seminar_skoly ORDER BY id"

	old_res, new_res = execute_simple(old_query)
	res = zip(old_res,new_res)

	for o,n in res:
		check_same(o,n,['id','aesop_id','izo','nazev','kratky_nazev','ulice','mesto','psc','stat','je_zs','je_ss','poznamka'])

def check_resitel():
	old_query = 'SELECT * FROM seminar_resitele ORDER BY id'
	new_query = 'SELECT * FROM seminar_resitele JOIN seminar_osoby ON seminar_resitele.osoba_id = seminar_osoby.id ORDER BY seminar_resitele.id'

	old_res, new_res = execute_simple(old_query,new_query)

	res = zip(old_res,new_res)
	
	fields_osoba = [
		'jmeno',
		'prijmeni',
		'user',
		'pohlavi_muz',
		'email',
		'telefon',
		'datum_narozeni',
		'datum_souhlasu_udaje',
		'datum_souhlasu_zasilani',
		'datum_prihlaseni',
		'ulice',
		'mesto',
		'psc',
		'stat',
	]
	fields_keep = [
		'id',
		'skola_id',
		'rok_maturity',
		'zasilat',
		'poznamka',
	]
	fields_old = fields_keep+fields_osoba
	fields_new = fields_keep + ['seminar_osoby.'+f for f in fields_osoba]
	for o,n in res:
		check_same(o,n,fields_old, fields_new)

def check_reseni():
	old_query = 'SELECT * FROM seminar_reseni ORDER BY id'
	new_query = 'SELECT * FROM seminar_reseni JOIN seminar_hodnoceni AS hodnoceni ON hodnoceni_id = hodnoceni.id ORDER BY id'

	same_fields = ['id', 'forma', 'poznamka']
	renamed_fields = [('timestamp', 'cas_doruceni'),
		('problem_id', 'hodnoceni.problem_id'),
		('body', 'hodnoceni.body'),
		('cislo_body_id', 'hodnoceni.cislo_body_id'),
		]
	old_fields = same_fields + [f[0] for f in renamed_fields]
	new_fields = same_fields + [f[1] for f in renamed_fields]

	old_res, new_res = execute_simple(old_query,new_query)

	res = zip(old_res,new_res)

	for o,n in res:
		check_same(o,n,old_fields, new_fields)

	# Řešitelé jsou nově m2m, takže je musíme dohledat
	old_query = 'SELECT id, resitel_id FROM seminar_reseni ORDER BY id'
	new_query = 'SELECT reseni_id, resitel_id FROM seminar_reseni_resitele ORDER BY reseni_id'

	oldcur = oldconn.cursor()
	old_results = oldcur.execute(old_query).fetchall()
	newcur = newconn.cursor()
	new_results = newcur.execute(new_query).fetchall()

	for oldr in old_results:
		if oldr not in new_results:
			raise ValueError(f'Reseni pair {oldr} not found in new db.')

def check_organizator():
	old_query = 'SELECT * FROM seminar_organizatori ORDER BY id'
	new_query = 'SELECT * FROM seminar_organizatori JOIN seminar_osoby AS osoba ON osoba_id = osoba.id JOIN auth_user AS user ON osoba.user_id = user.id ORDER BY id'

	same_fields = ['studuje', 'strucny_popis_organizatora']
	renamed_fields = [
		('user_id', 'user.id'),
		('prezdivka', 'osoba.prezdivka'),
		('foto', 'osoba.foto'),
		('foto_male', 'osoba.foto_male'),
		]
	old_fields = same_fields + [f[0] for f in renamed_fields]
	new_fields = same_fields + [f[1] for f in renamed_fields]

	old_res, new_res = execute_simple(old_query,new_query)
	res = zip(old_res, new_res)
	for o,n in res:
		check_same(o,n,old_fields, new_fields)
		# organizuje od, do:
		if o.organizuje_od_roku != n.organizuje_od.year:
			raise ValueError(f'Not matching organizuje_od for org id={o.id}: old {o.organizuje_od_roku}, new {n.organizuje_od}')
		if o.organizuje_do_roku != n.organizuje_do.year:
			raise ValueError(f'Not matching organizuje_do for org id={o.id}: old {o.organizuje_do_roku}, new {n.organizuje_do}')

def check_rocnik():
	old_query = "SELECT * FROM seminar_rocniky ORDER BY id"

	old_res, new_res = execute_simple(old_query)
	res = zip(old_res,new_res)

	for o,n in res:
		check_same(o,n,['id','prvni_rok', 'rocnik', 'exportovat'])

def check_cislo():
	old_query = "SELECT * FROM seminar_cisla ORDER BY id"

	old_res, new_res = execute_simple(old_query)
	res = zip(old_res,new_res)

	for o,n in res:
		check_same(o,n, ['id','rocnik_id','cislo', 'datum_vydani','datum_deadline','verejne','poznamka','pdf'],
				['id','rocnik_id','poradi','datum_vydani','datum_deadline','verejne','poznamka','pdf'])

def check_priloha_reseni():
	old_query = "SELECT * FROM seminar_priloha_reseni"
	
	old_res, new_res = execute_simple(old_query)
	res = zip(old_res,new_res)

	for o,n in res:
		check_same(o,n, ['id','reseni_id', 'timestamp', 'soubor', 'poznamka'],
				['id','reseni_id', 'vytvoreno', 'soubor', 'poznamka'])

def check_soustredeni():
	old_query = "SELECT * FROM seminar_soustredeni ORDER BY id"

	old_res, new_res = execute_simple(old_query)
	res = zip(old_res,new_res)

	for o,n in res:
		check_same(o,n,['id','rocnik_id','datum_zacatku','datum_konce','verejne','misto','text','typ','exportovat'])
	#Kontrola ucasnici, organizatori v samostatnych funkcich

def check_soustredeni_ucastnici():
	old_query = "SELECT * FROM seminar_soustredeni_ucastnici ORDER BY id"

	old_res, new_res = execute_simple(old_query)
	res = zip(old_res,new_res)

	for o,n in res:
		check_same(o,n,['id','resitel_id','soustredeni_id','poznamka'])

def check_soustredeni_organizatori():
	old_query = "SELECT * FROM seminar_soustredeni_organizatori ORDER BY id"

	old_res, new_res = execute_simple(old_query)
	res = zip(old_res,new_res)

	for o,n in res:
		check_same(o,n,['id','organizator_id','soustredeni_id','poznamka'])

def check_nastaveni():
	old_query = "SELECT * FROM seminar_nastaveni ORDER BY id"

	old_res, new_res = execute_simple(old_query)
	res = zip(old_res,new_res)

	for o,n in res:
		check_same(o,n,['id','aktualni_cislo_id'])

def check_novinky():
	old_query = "SELECT * FROM seminar_novinky ORDER BY id"

	old_res, new_res = execute_simple(old_query)
	res = zip(old_res,new_res)

	for o,n in res:
		check_same(o,n,['id','datum','text','obrazek','zverejneno'])
		if get_user_id_for_org_id(n['autor_id']) != o['autor_id']:
			raise ValueError("Nesedi autori u novinek")
			
def check_pohadka():
	old_query = "SELECT * FROM seminar_pohadky ORDER BY id"
	new_query = """SELECT sp.id AS id, sp.autor_id AS autor_id, sp.vytvoreno AS vytvoreno, snp.treenode_ptr_id AS treenode_ptr_id, st.na_web AS text
			FROM seminar_pohadky AS sp 
			INNER JOIN seminar_nodes_pohadka AS snp ON sp.id = snp.pohadka_id 
			INNER JOIN seminar_nodes_treenode AS snt ON snt.id = snp.treenode_ptr_id
			INNER JOIN seminar_nodes_obsah AS sno ON sno.treenode_ptr_id = snt.first_child_id 
			INNER JOIN seminar_texty AS st ON sno.text_id = st.id

			ORDER BY sp.id"""

	old_res, new_res = execute_simple(old_query,new_query)
	res = zip(old_res,new_res)

	for o,n in res:
		check_same(o,n,['id','timestamp','text'],['id','vytvoreno','text'])
		if o['autor_id'] is not None:
			if get_user_id_for_org_id(n['autor_id']) != o['autor_id']:
				raise ValueError("Nesedi autori u pohadky")


# Problémy jsou rozdělené podle typů:
def check_problem_common():
	query = "SELECT * FROM seminar_problemy ORDER BY id"

	same_fields = ['id', 'nazev', 'stav', 'autor', 'kod']
	renamed_fields = [
		('text_org', 'poznamka'),
		('timestamp', 'vytvoreno'),
		]
	old_fields = same_fields + [f[0] for f in renamed_fields]
	new_fields = same_fields + [f[1] for f in renamed_fields]

	old_res, new_res = execute_simple(query)
	res = zip(old_res,new_res)

	for o,n in res:
		check_same(o,n, old_fields, new_fields)

	# Opravovatelé
	old_query = "SELECT id, opravovatel_id FROM seminar_problemy"
	new_query = "SELECT problem_id, opravovatel_id FROM seminar_problemy_opravovatele"

	# Simple cursors
	oldcur = oldconn.cursor()
	old_results = oldcur.execute(old_query).fetchall()
	newcur = newconn.cursor()
	new_results = newcur.execute(new_query).fetchall()

	for oldr in old_results:
		if oldr not in new_results:
			raise ValueError(f'Opravovatel pair {oldr} not found in new db.')

	# FIXME: Zaměření?


def check_uloha():
	old_query = "SELECT * FROM seminar_problemy WHERE typ = 'uloha' ORDER BY id"
	new_query = """SELECT cislo_zadani, cislo_reseni, problem_ptr_id, max_body, uzt.na_web AS text_zadani, uvt.na_web AS text_reseni
	FROM seminar_ulohy
	-- Problém:
	JOIN seminar_problemy AS problem ON problem_ptr_id = problem.id
	-- Text zadání:
	INNER JOIN seminar_nodes_uloha_zadani AS uzn ON id = uzn.uloha_id
	INNER JOIN seminar_nodes_treenode AS uztn ON uztn.id = uzn.treenode_ptr_id
	INNER JOIN seminar_nodes_obsah AS uzo ON uzo.treenode_ptr_id = uztn.first_child_id
	INNER JOIN seminar_texty AS uzt ON uzo.text_id = uzt.id
	-- Text vzoráku:
	INNER JOIN seminar_nodes_uloha_zadani AS uvn ON id = uvn.uloha_id
	INNER JOIN seminar_nodes_treenode AS uvtn ON uvtn.id = uvn.treenode_ptr_id
	INNER JOIN seminar_nodes_obsah AS uvo ON uvo.treenode_ptr_id = uvtn.first_child_id
	INNER JOIN seminar_texty AS uvt ON uvo.text_id = uvt.id

	ORDER BY problem_ptr_id"""

	same_fields = ['cislo_zadani', 'cislo_reseni', 'text_zadani', 'text_reseni']
	renamed_fields = [
		('id', 'problem_ptr_id'),
		('body', 'max_body'),
		]
	old_fields = same_fields + [f[0] for f in renamed_fields]
	new_fields = same_fields + [f[1] for f in renamed_fields]

	old_res, new_res = execute_simple(old_query, new_query)
	res = zip(old_res,new_res)

	for o,n in res:
		check_same(o,n, old_fields, new_fields)
		# Datum deadline vypadá prázdně, tak to budeme předpokládat.
		if n['datum_deadline'] is not None:
			raise ValueError("Úloha má deadline.")

def check_tema():
	old_query = """SELECT text_zadani, text_reseni, typ, c.rocnik_id AS rocnik_id
	FROM seminar_problemy
	INNER JOIN seminar_cisla AS c ON c.id = cislo_zadani_id
	WHERE typ IN ('tema', 'serial')
	ORDER BY id"""
	new_query = """SELECT tema_typ, zad_text.na_web AS text_zadani, res_text.na_web AS text_reseni, rn.rocnik_id AS rocnik_id
	FROM seminar_temata
	-- Problém:
	JOIN seminar_problemy AS problem ON problem_ptr_id = problem.id
	-- Text:
	-- TvCNode má dva potomky, oba TextNode. První drží původní text zadání, druhý řešení.
	INNER JOIN seminar_nodes_temavcisle AS tvcn ON tvcn.tema_id = id
	INNER JOIN seminar_nodes_treenode AS ttn ON tvcn.treenode_ptr_id = ttn.id
	INNER JOIN seminar_nodes_treenode AS zad_tn ON ttn.first_child_id = zad_tn.id
	INNER JOIN seminar_nodes_treenode AS res_tn ON zad_tn.succ_id = res_tn.id
	INNER JOIN seminar_nodes_obsah AS zad_on ON zad_on.treenode_ptr_id = zad_tn.id
	INNER JOIN seminar_nodes_obsah AS res_on ON res_on.treenode_ptr_id = res_tn.id
	INNER JOIN seminar_texty AS zad_text ON zad_on.text_id = zad_text.id
	INNER JOIN seminar_texty AS res_text ON res_on.text_id = res_text.id
	-- Ročník tématu:
	-- Podle rootu TvCN
	INNER JOIN seminar_nodes_rocnik AS rn ON ttn.root_id = rn.treenode_ptr_id

	ORDER BY problem_ptr_id"""
	same_fields = ['text_zadani', 'text_reseni', 'rocnik_id']
	renamed_fields = [
		('typ', 'tema_typ'),
		]
	old_fields = same_fields + [f[0] for f in renamed_fields]
	new_fields = same_fields + [f[1] for f in renamed_fields]

	old_res, new_res = execute_simple(old_query, new_query)
	res = zip(old_res,new_res)

	for o,n in res:
		check_same(o,n, old_fields, new_fields)

def check_konfera():
	old_query = "SELECT * FROM seminar_problemy WHERE typ = 'konfera'"
	new_query = "SELECT * FROM seminar_konfera JOIN seminar_problemy AS problem ON problem_ptr_id = problem.id"

	oldcur.execute(old_query)
	newcur.execute(new_query)

	if oldcur.rowcount != 0 or newcur.rowcount != 0:
		raise ValueError('There exists a Konfera!')

def check_org_clanek():
	old_query = "SELECT * FROM seminar_problemy WHERE typ = 'org-clanek'"

	oldcur.execute(old_query)

	if oldcur.rowcount != 0:
		raise ValueError('There exists a Org-clanek!')

def check_res_clanek():
	# Dva(!) články mají text (zadání), který se má zachovat.
	old_query = "SELECT * FROM seminar_problemy WHERE typ = 'res-clanek' ORDER BY id"
	new_query = """SELECT cislo_id, text.na_web AS text_zadani
	FROM seminar_clanky
	JOIN seminar_problemy AS problem ON problem_ptr_id = problem.id
	INNER JOIN seminar_hodnoceni AS hodn ON problem.id = hodn.problem_id
	INNER JOIN seminar_reseni AS rese ON rese.id = hodn.reseni_id
	INNER JOIN seminar_nodes_reseni AS resnode ON resnode.reseni_id = rese.id
	INNER JOIN seminar_nodes_treenode AS tn ON resnode.treenode_ptr_id = tn.id
	INNER JOIN seminar_nodes_obsah AS on ON on.treenode_ptr_id = tn.first_child_id
	INNER JOIN seminar_texty AS text ON text.id = on.text_id

	ORDER BY problem_ptr_id"""
	same_fields = ['text_zadani']
	renamed_fields = [
		('cislo_zadani_id', 'cislo_id'),
		]
	old_fields = same_fields + [f[0] for f in renamed_fields]
	new_fields = same_fields + [f[1] for f in renamed_fields]

	old_res, new_res = execute_simple(old_query, new_query)
	res = zip(old_res,new_res)

	for o,n in res:
		check_same(o,n, old_fields, new_fields)

def check_untyped_problem():
	old_query = "SELECT * FROM seminar_problemy WHERE typ NOT IN ('uloha', 'tema', 'serial', 'konfera', 'org-clanek', 'res-clanek')"

	oldcur.execute(old_query)

	if oldcur.rowcount != 0:
		raise ValueError('There exists a Problem without type!')



check_skola()
check_resitel()
check_reseni()
check_organizator()
check_rocnik()
check_cislo()
check_priloha_reseni()
check_soustredeni()
check_soustredeni_ucastnici()
check_soustredeni_organizatori()
check_nastaveni()
check_novinky()
check_pohadka()

check_problem_common()
check_uloha()
check_tema()
check_konfera()
check_org_clanek()
check_res_clanek()
check_untyped_problem()