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""" Will take all the slides of the channel for which the index is higher
than the index of this category and lower than the index of the next category.
Lists are manually sorted because when adding a new browse record order
will not be correct as the added slide would actually end up at the
first place no matter its sequence."""
self.category_id = False
channel_slides = {}
for slide in self:
if slide.channel_id.id not in channel_slides:
channel_slides[slide.channel_id.id] = slide.channel_id.slide_ids
for cid, slides in channel_slides.items():
current_category = self.env['slide.slide']
slide_list = list(slides)
slide_list.sort(key=lambda s: (s.sequence, not s.is_category))
for slide in slide_list:
if slide.is_category:
current_category = slide
elif slide.category_id != current_category:
slide.category_id = current_category.id
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