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# -*- coding: utf-8 -*-
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import os
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from django.db import models
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from django.utils import timezone
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from django.conf import settings
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from django.utils.encoding import python_2_unicode_compatible
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from django.utils.encoding import force_unicode
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from django.core.exceptions import ObjectDoesNotExist
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from django.utils.text import get_valid_filename
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from seminar.models import Organizator
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import subprocess
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from reversion import revisions as reversion
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from unidecode import unidecode
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def generate_filename(self, filename):
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clean = get_valid_filename(
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unidecode(
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filename.replace('/', '-').replace('\0', '').replace(":", "_")
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)
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)
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fname = "%s_%s" % (
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timezone.now().strftime('%Y-%m-%d-%H_%M'),
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clean)
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return os.path.join(settings.KOREKTURY_PDF_DIR, fname)
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#@reversion.register(ignore_duplicate_revision=True)
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#@python_2_unicode_compatible
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class KorekturovanePDF(models.Model):
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class Meta:
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ordering = ['-cas']
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db_table = 'korekturovane_cislo'
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verbose_name = u'PDF k opravám'
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verbose_name_plural = u'PDF k opravám'
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#Interní ID
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id = models.AutoField(primary_key = True)
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cas = models.DateTimeField(u'čas vložení PDF',default=timezone.now,help_text = 'Čas vložení PDF')
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nazev = models.CharField(u'název PDF',blank = True,max_length=50, help_text='Název (např. 22.1 verze 4) korekturovaného PDF')
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komentar = models.TextField(u'komentář k PDF',blank = True, help_text='Komentář ke korekturovanému PDF (např. na co se zaměřit)')
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pdf = models.FileField(u'PDF', upload_to = generate_filename)
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stran = models.IntegerField(u'počet stran', help_text = 'Počet stran PDF', default = 0)
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STATUS_PRIDAVANI = 'pridavani'
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STATUS_ZANASENI = 'zanaseni'
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STATUS_ZASTARALE = 'zastarale'
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STATUS_CHOICES = (
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(STATUS_PRIDAVANI, u'Přidávání korektur'),
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(STATUS_ZANASENI, u'Korektury jsou zanášeny'),
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(STATUS_ZASTARALE, u'Stará verze, nekorigovat'),
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)
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status = models.CharField(u'stav PDF',max_length=16, choices=STATUS_CHOICES, blank=False,
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default = STATUS_PRIDAVANI)
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#TODO Nepovinný foreign key k číslu
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def save(self):
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# Pokud se nezmenilo PDF, tak nepregenerovavej nahledy
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try:
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original = KorekturovanePDF.objects.get(pk=self.pk)
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if original.pdf == self.pdf:
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super(KorekturovanePDF, self).save()
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return
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except ObjectDoesNotExist:
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pass
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super(KorekturovanePDF, self).save()
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filename = os.path.split(self.pdf.file.name)[1].split(".")[0]
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dirname = os.path.join(settings.MEDIA_ROOT, settings.KOREKTURY_IMG_DIR)
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if not os.path.exists(dirname):
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os.mkdir(dirname)
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while True:
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res = subprocess.call([
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"convert",
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"-density", "180x180",
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"-geometry", " 1024x1448",
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"%s[%d]" % (self.pdf.path, self.stran),
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os.path.join(dirname, "%s-%d.png" % (filename, self.stran))
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])
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if res==1:
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break
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self.stran +=1
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super(KorekturovanePDF, self).save()
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@reversion.register(ignore_duplicate_revision=True)
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@python_2_unicode_compatible
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class Oprava(models.Model):
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class Meta:
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db_table = 'opravy'
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verbose_name = u'Oprava'
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verbose_name_plural = u'Opravy'
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ordering = ['y','x']
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#Interní ID
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id = models.AutoField(primary_key = True)
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pdf = models.ForeignKey(KorekturovanePDF, default=-1)
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strana = models.IntegerField(u'strana s opravou', help_text='Strana s opravou (od 0)')
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x = models.IntegerField(u'x-ová souřadnice bugu')
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y = models.IntegerField(u'y-ová souřadnice bugu')
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STATUS_K_OPRAVE = 'k_oprave'
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STATUS_OPRAVENO = 'opraveno'
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STATUS_NENI_CHYBA = 'neni_chyba'
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STATUS_K_REAKCI = 'k_reakci'
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STATUS_CHOICES = (
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(STATUS_K_OPRAVE, u'K opravě'),
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(STATUS_OPRAVENO, u'Opraveno'),
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(STATUS_NENI_CHYBA, u'Není chyba'),
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(STATUS_K_REAKCI, u'K reakci autora textu'),
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)
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status = models.CharField(u'stav opravy',max_length=16, choices=STATUS_CHOICES, blank=False,
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default = STATUS_K_OPRAVE)
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autor = models.ForeignKey(Organizator, blank = True,
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help_text='Autor opravy',
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null = True)
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text = models.TextField(u'text opravy',blank = True, help_text='Text opravy')
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# def __init__(self,dictionary):
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# for k,v in dictionary.items():
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# setattr(self,k,v)
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def __str__(self):
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return force_unicode(u'%s od %s: %s'%(self.status,self.autor,self.text))
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@reversion.register(ignore_duplicate_revision=True)
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@python_2_unicode_compatible
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class Komentar(models.Model):
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class Meta:
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db_table = 'komentare'
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verbose_name = u'Komentář k opravě'
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verbose_name_plural = u'Komentáře k opravě'
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ordering = ['cas']
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#Interní ID
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id = models.AutoField(primary_key = True)
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cas = models.DateTimeField(u'čas komentáře',default=timezone.now,help_text = 'Čas zadání komentáře')
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oprava = models.ForeignKey(Oprava)
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autor = models.ForeignKey(Organizator, blank = True,
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help_text = u'Autor komentáře',
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null = True)
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text = models.TextField(u'text komentáře',blank = True, help_text='Text komentáře')
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def __str__(self):
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return force_unicode(u'%s od %s: %s'%(self.cas,self.autor,self.text))
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