33103f6dc4
Add ability to search for pools linking to a given tag in the pool
description. Example:
https://danbooru.donmai.us/pools?search[linked_to]=touhou
(This isn't actually exposed in the UI to avoid cluttering the pool
search form with rarely used options.)
Pools with broken links can be found here:
https://danbooru.donmai.us/dtext_links?search[has_linked_tag]=No&search[has_linked_wiki]=No&search[model_type]=Pool
Lays the groundwork for fixing #4629.
37 lines
1.4 KiB
Ruby
37 lines
1.4 KiB
Ruby
# frozen_string_literal: true
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module HasDtextLinks
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extend ActiveSupport::Concern
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class_methods do
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# Declare a field that has DText links. Any wiki links or external links
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# contained in this field will be saved in the dtext_links table whenever
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# the field is updated. This allows finding wiki pages, forum posts, and
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# pool descriptions linking to a given tag.
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#
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# @param attribute [Symbol] the name of the DText field.
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def has_dtext_links(attribute)
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has_many :dtext_links, as: :model, dependent: :destroy
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before_save :update_dtext_links, if: :dtext_links_changed?
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define_method(:dtext_links_changed?) do
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attribute_changed?(attribute) && DText.dtext_links_differ?(self[attribute], attribute_was(attribute))
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end
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define_method(:update_dtext_links) do
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self.dtext_links = DtextLink.new_from_dtext(self[attribute])
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end
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end
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# Return pages (e.g. wikis, forum posts, pool descriptions) that link to the given wiki page.
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def linked_to(title)
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where(dtext_links: DtextLink.where(model_type: name).wiki_link.where(link_target: WikiPage.normalize_title(title)))
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end
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# Return pages that don't link to the given wiki page.
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def not_linked_to(title)
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where.not(dtext_links: DtextLink.where(model_type: name).wiki_link.where(link_target: WikiPage.normalize_title(title)))
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end
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end
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end
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