72 lines
2.4 KiB
Python
72 lines
2.4 KiB
Python
from __future__ import unicode_literals
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from django.contrib import messages
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from django.db import models
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from utils.models import CreatedUpdatedModel
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from django.core.exceptions import ValidationError
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class InfoCategory(CreatedUpdatedModel):
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class Meta:
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ordering = ['-weight', 'headline']
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unique_together = (('anchor', 'camp'), ('headline', 'camp'))
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camp = models.ForeignKey(
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'camps.Camp',
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related_name = 'infocategories',
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on_delete = models.PROTECT
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)
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headline = models.CharField(
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max_length = 100,
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help_text = "The headline of this info category"
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)
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anchor = models.SlugField(
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help_text = "The HTML anchor to use for this info category."
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)
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weight = models.PositiveIntegerField(
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help_text = 'Determines sorting/ordering. Heavier categories sink to the bottom. Categories with the same weight are ordered alphabetically.'
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)
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def clean(self):
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if InfoItem.objects.filter(camp=self.camp, anchor=self.anchor).exists():
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# this anchor is already in use on an item, so it cannot be used (must be unique on the page)
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raise ValidationError({'anchor': 'Anchor is already in use on an info item for this camp'})
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class InfoItem(CreatedUpdatedModel):
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class Meta:
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ordering = ['-weight', 'headline']
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unique_together = (('anchor', 'category'), ('headline', 'category'))
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category = models.ForeignKey(
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'info.InfoCategory',
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related_name = 'infoitems',
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on_delete = models.PROTECT
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)
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headline = models.CharField(
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max_length = 100,
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help_text = "Headline of this info item."
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)
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anchor = models.SlugField(
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help_text = "The HTML anchor to use for this info item."
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)
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body = models.TextField(
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help_text = 'Body of this info item. Markdown is supported.'
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)
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weight = models.PositiveIntegerField(
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help_text = 'Determines sorting/ordering. Heavier items sink to the bottom. Items with the same weight are ordered alphabetically.'
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)
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def clean(self):
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if InfoCategory.objects.filter(camp=self.camp, anchor=self.anchor).exists():
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# this anchor is already in use on a category, so it cannot be used here (they must be unique on the entire page)
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raise ValidationError({'anchor': 'Anchor is already in use on an info category for this camp'})
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