def readers():
for row in Import.readcsv(Import.openfile()):
code, name, *_ = row
reader = Reader(code=code, name=name)
try:
session.merge(reader)
session.commit()
except:
session.rollback()
messagebox.showinfo('Importálás', 'Adatok beolvasva.')
def saveDetails(self):
try:
session.merge(self.getDetails())
session.commit()
self.itemsList.reload()
messagebox.showinfo('Mentés', 'Mentés sikeres.')
except:
session.rollback()
messagebox.showinfo(
'Mentés',
'Hiba lépett fel a mentésnél. Ne használjon ismétlődő azonosítókat.'
)
def removeReader(self):
reader = self.selectedReader()
message = 'Biztosan ki szeretné törölni:\n' + reader.name
dialog = messagebox.askyesno('Törlés', message, icon='warning')
if dialog:
try:
session.delete(reader)
session.commit()
self.reload()
except:
session.rollback()
messagebox.showerror('Hiba',
'Ennek az olvasónak még tartozása van.')
def documents():
for row in Import.readcsv(Import.openfile()):
code, tag, *params = row
params = list(params) + [None]*6
if tag == 'K':
title, value, author, publisher, isbn, category, *_ = params
volume = Book(
code = code,
title = title,
value = value,
author = author,
publisher = publisher,
isbn = isbn,
category = category
)
if tag == 'F':
title, value, publisher, issue, volume, *_ = params
volume = Magazine(
code = code,
title = title,
value = value,
publisher = publisher,
issue = issue,
volume = volume
)
if tag == 'M':
type, title, value, release, lengthOrColor, *_ = params
volume = Medium(
code = code,
type = type,
title = title,
value = value,
release = release,
length = type != 'DIA' and lengthOrColor,
color = type == 'DIA' and lengthOrColor
)
try:
session.merge(volume)
session.commit()
except:
session.rollback()
messagebox.showinfo('Importálás', 'Adatok beolvasva.')
def removeVolume(self):
volume = self.getSelected()
message = 'Biztosan ki szeretné törölni:\n' + volume.title
dialog = messagebox.askyesno('Törlés', message, icon='warning')
if dialog:
try:
session.delete(volume)
session.commit()
self.library.frame('right')
self.reload()
except:
session.rollback()
messagebox.showerror('Törlés',
'Kölcsönzött dokumentum nem törölhető.')
def delete(borrow):
try:
session.delete(borrow)
except:
session.rollback()
def add(borrow):
try:
session.merge(borrow)
session.commit()
except:
session.rollback()