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Fix ・ detection in hashtag regex to construct hashtag correctly (#22888)

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* Fix ・ detection in hashtag regex to construct hashtag correctly

* Fixed rubocop liniting issues

* More rubocop linting fix
This commit is contained in:
Partho Ghosh 2023-01-03 17:12:48 -08:00 • committed by GitHub
parent 546e301bcd
commit 115ab2869b
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 50 additions and 31 deletions
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22
app/models/tag.rb
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@ -26,8 +26,12 @@ class Tag < ApplicationRecord
has_many :featured_tags, dependent: :destroy, inverse_of: :tag
has_many :followers, through: :passive_relationships, source: :account
HASHTAG_SEPARATORS = "_\u00B7\u200c"
HASHTAG_NAME_PAT = "([[:word:]_][[:word:]#{HASHTAG_SEPARATORS}]*[[:alpha:]#{HASHTAG_SEPARATORS}][[:word:]#{HASHTAG_SEPARATORS}]*[[:word:]_])|([[:word:]_]*[[:alpha:]][[:word:]_]*)"
HASHTAG_SEPARATORS = "_\u00B7\u30FB\u200c"
HASHTAG_FIRST_SEQUENCE_CHUNK_ONE = "[[:word:]_][[:word:]#{HASHTAG_SEPARATORS}]*[[:alpha:]#{HASHTAG_SEPARATORS}]"
HASHTAG_FIRST_SEQUENCE_CHUNK_TWO = "[[:word:]#{HASHTAG_SEPARATORS}]*[[:word:]_]"
HASHTAG_FIRST_SEQUENCE = "(#{HASHTAG_FIRST_SEQUENCE_CHUNK_ONE}#{HASHTAG_FIRST_SEQUENCE_CHUNK_TWO})"
HASTAG_LAST_SEQUENCE = '([[:word:]_]*[[:alpha:]][[:word:]_]*)'
HASHTAG_NAME_PAT = "#{HASHTAG_FIRST_SEQUENCE}|#{HASTAG_LAST_SEQUENCE}"
HASHTAG_RE = /(?:^|[^\/\)\w])#(#{HASHTAG_NAME_PAT})/i
HASHTAG_NAME_RE = /\A(#{HASHTAG_NAME_PAT})\z/i
@ -45,7 +49,11 @@ class Tag < ApplicationRecord
scope :listable, -> { where(listable: [true, nil]) }
scope :trendable, -> { Setting.trendable_by_default ? where(trendable: [true, nil]) : where(trendable: true) }
scope :not_trendable, -> { where(trendable: false) }
scope :recently_used, ->(account) { joins(:statuses).where(statuses: { id: account.statuses.select(:id).limit(1000) }).group(:id).order(Arel.sql('count(*) desc')) }
scope :recently_used, ->(account) {
joins(:statuses)
.where(statuses: { id: account.statuses.select(:id).limit(1000) })
.group(:id).order(Arel.sql('count(*) desc'))
}
scope :matches_name, ->(term) { where(arel_table[:name].lower.matches(arel_table.lower("#{sanitize_sql_like(Tag.normalize(term))}%"), nil, true)) } # Search with case-sensitive to use B-tree index
update_index('tags', :self)
@ -105,7 +113,8 @@ class Tag < ApplicationRecord
names = Array(name_or_names).map { |str| [normalize(str), str] }.uniq(&:first)
names.map do |(normalized_name, display_name)|
tag = matching_name(normalized_name).first || create(name: normalized_name, display_name: display_name.gsub(HASHTAG_INVALID_CHARS_RE, ''))
tag = matching_name(normalized_name).first || create(name: normalized_name,
display_name: display_name.gsub(HASHTAG_INVALID_CHARS_RE, ''))
yield tag if block_given?
@ -154,6 +163,9 @@ class Tag < ApplicationRecord
end
def validate_display_name_change
errors.add(:display_name, I18n.t('tags.does_not_match_previous_name')) unless HashtagNormalizer.new.normalize(display_name).casecmp(name.mb_chars).zero?
unless HashtagNormalizer.new.normalize(display_name).casecmp(name.mb_chars).zero?
errors.add(:display_name,
I18n.t('tags.does_not_match_previous_name'))
end
end
end