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wiki pages: drop unused wiki page presenter.

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This commit is contained in:
evazion
2020-01-12 19:04:53 -06:00
parent f2269d39a7
commit 8ddf7ee716
2 changed files with 0 additions and 62 deletions
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4
app/models/wiki_page.rb
View File

@@ -237,10 +237,6 @@ class WikiPage < ApplicationRecord
self.dtext_links = DtextLink.new_from_dtext(body) self.dtext_links = DtextLink.new_from_dtext(body)
end end
def presenter
@presenter ||= WikiPagePresenter.new(self)
end
def tags def tags
titles = DText.parse_wiki_titles(body).uniq titles = DText.parse_wiki_titles(body).uniq
tags = Tag.nonempty.where(name: titles).pluck(:name) tags = Tag.nonempty.where(name: titles).pluck(:name)

58
app/presenters/wiki_page_presenter.rb
View File

@@ -1,58 +0,0 @@
class WikiPagePresenter
attr_reader :wiki_page
def initialize(wiki_page)
@wiki_page = wiki_page
end
# Produce a formatted page that shows the difference between two versions of a page.
def diff(other_version)
pattern = Regexp.new('(?:<.+?>)|(?:[0-9_A-Za-z\x80-\xff]+[\x09\x20]?)|(?:[ \t]+)|(?:\r?\n)|(?:.+?)')
thisarr = self.body.scan(pattern)
otharr = other_version.body.scan(pattern)
cbo = Diff::LCS::ContextDiffCallbacks.new
diffs = thisarr.diff(otharr, cbo)
escape_html = ->(str) {str.gsub(/&/, '&amp;').gsub(/</, '&lt;').gsub(/>/, '&gt;')}
output = thisarr
output.each { |q| q.replace(CGI.escape_html(q)) }
diffs.reverse_each do |hunk|
newchange = hunk.max {|a, b| a.old_position <=> b.old_position}
newstart = newchange.old_position
oldstart = hunk.min {|a, b| a.old_position <=> b.old_position}.old_position
if newchange.action == '+'
output.insert(newstart, "</ins>")
end
hunk.reverse_each do |chg|
case chg.action
when '-'
oldstart = chg.old_position
output[chg.old_position] = "" if chg.old_element.match(/^\r?\n$/)
when '+'
if chg.new_element.match(/^\r?\n$/)
output.insert(chg.old_position, "[nl]")
else
output.insert(chg.old_position, (escape_html[chg.new_element]).to_s)
end
end
end
if newchange.action == '+'
output.insert(newstart, "<ins>")
end
if hunk[0].action == '-'
output.insert((newstart == oldstart || newchange.action != '+') ? newstart + 1 : newstart, "</del>")
output.insert(oldstart, "<del>")
end
end
output.join.gsub(/\r?\n/, "[nl]")
end
end