50 lines
1.4 KiB
Python
50 lines
1.4 KiB
Python
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class NewsSlug:
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def __init__(self, value=None, country_code=None, count=0):
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self.value = value
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self.country_code = country_code
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self.count = count
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@classmethod
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def parse(cls, raw_slug, country_codes):
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slug, *rest = raw_slug.split('-')
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instance = NewsSlug()
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if len(rest) >= 1 and rest[-1] in country_codes:
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# It is like 'slug-en'
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instance.value = '-'.join([slug, *rest[:-1]])
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instance.country_code = rest[-1]
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elif len(rest) >= 2 and rest[-1].isdigit() and rest[-2] in country_codes:
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# It is like 'slug-en-1'
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instance.value = '-'.join([slug, *rest[:-2]])
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instance.country_code = rest[-2]
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instance.count = int(rest[-1])
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else:
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# It is like 'slug'
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instance.value = '-'.join([slug, *rest])
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return instance
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def __lt__(self, other):
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return self.value < other.value
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def __str__(self):
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if self.value is None:
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raise ValueError('No value for slug')
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slug_parts = [self.value]
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if self.country_code is not None:
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slug_parts.append(self.country_code)
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if self.count != 0:
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slug_parts.append(str(self.count))
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return '-'.join(slug_parts)
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def __repr__(self):
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return f'<{self.__class__.__name__} {self.value}, {self.country_code}, {self.count}>'
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