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# File 'lib/wikidata/diff/alias_analyzer.rb', line 2
def self.isolate_aliases_differences(current_content, parent_content)
return {
changed_aliases: [],
removed_aliases: [],
added_aliases: []
} if current_content.nil? && parent_content.nil?
changed_aliases = []
removed_aliases = []
added_aliases = []
if current_content
current_aliases = current_content['aliases']
if current_aliases.nil? || current_aliases.is_a?(Array)
current_aliases = {}
end
else
current_aliases = {}
end
if parent_content
parent_aliases = parent_content['aliases']
if parent_aliases.nil? || parent_aliases.is_a?(Array)
parent_aliases = {}
end
else
parent_aliases = {}
end
if parent_content.nil?
(current_aliases || {}).each do |lang, current_aliases_arr|
current_aliases_arr = [current_aliases_arr] unless current_aliases_arr.is_a?(Array)
current_aliases_arr.each_with_index do |current_alias, index|
added_aliases << { lang: lang, index: index }
end
end
else
(current_aliases || {}).each do |lang, current_aliases_arr|
parent_aliases_arr = parent_aliases[lang]
if parent_aliases_arr
current_aliases_arr = [current_aliases_arr] unless current_aliases_arr.is_a?(Array)
current_aliases_arr.each_with_index do |current_alias, index|
parent_alias = parent_aliases_arr[index]
if parent_alias.nil?
added_aliases << { lang: lang, index: index }
elsif current_alias != parent_alias
changed_aliases << { lang: lang, index: index }
end
end
else
current_aliases_arr = [current_aliases_arr] unless current_aliases_arr.is_a?(Array)
current_aliases_arr.each_with_index do |current_alias, index|
added_aliases << { lang: lang, index: index }
end
end
end
(parent_aliases || {}).each do |lang, parent_aliases_arr|
parent_aliases_arr = [parent_aliases_arr] unless parent_aliases_arr.is_a?(Array)
current_aliases_arr = current_aliases[lang]
if current_aliases_arr.nil?
parent_aliases_arr.each_index do |index|
removed_aliases << { lang: lang, index: index }
end
end
end
end
{
changed_aliases: changed_aliases,
removed_aliases: removed_aliases,
added_aliases: added_aliases
}
end
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