From f7adac87fe824a453197f0be547c35684d468dd7 Mon Sep 17 00:00:00 2001
From: Jakub Jirutka <jakub@jirutka.cz>
Date: Mon, 11 May 2015 01:34:32 +0200
Subject: Extract handling of relative file links to RelativeLinkFilter

---
 app/helpers/gitlab_markdown_helper.rb | 140 ----------------------------------
 1 file changed, 140 deletions(-)

(limited to 'app/helpers')

diff --git a/app/helpers/gitlab_markdown_helper.rb b/app/helpers/gitlab_markdown_helper.rb
index 24263a0f619..c309f890d96 100644
--- a/app/helpers/gitlab_markdown_helper.rb
+++ b/app/helpers/gitlab_markdown_helper.rb
@@ -72,146 +72,6 @@ module GitlabMarkdownHelper
     end
   end
 
-  # TODO (rspeicher): This should be its own filter
-  def create_relative_links(text)
-    paths = extract_paths(text)
-
-    paths.uniq.each do |file_path|
-      # If project does not have repository
-      # its nothing to rebuild
-      #
-      # TODO: pass project variable to markdown helper instead of using
-      # instance variable. Right now it generates invalid path for pages out
-      # of project scope. Example: search results where can be rendered markdown
-      # from different projects
-      if @repository && @repository.exists? && !@repository.empty?
-        new_path = rebuild_path(file_path)
-        # Finds quoted path so we don't replace other mentions of the string
-        # eg. "doc/api" will be replaced and "/home/doc/api/text" won't
-        text.gsub!("\"#{file_path}\"", "\"/#{new_path}\"")
-      end
-    end
-
-    text
-  end
-
-  def extract_paths(text)
-    links = substitute_links(text)
-    image_links = substitute_image_links(text)
-    links + image_links
-  end
-
-  def substitute_links(text)
-    links = text.scan(/<a href=\"([^"]*)\">/)
-    relative_links = links.flatten.reject{ |link| link_to_ignore? link }
-    relative_links
-  end
-
-  def substitute_image_links(text)
-    links = text.scan(/<img src=\"([^"]*)\"/)
-    relative_links = links.flatten.reject{ |link| link_to_ignore? link }
-    relative_links
-  end
-
-  def link_to_ignore?(link)
-    if link =~ /\A\#\w+/
-      # ignore anchors like <a href="#my-header">
-      true
-    else
-      ignored_protocols.map{ |protocol| link.include?(protocol) }.any?
-    end
-  end
-
-  def ignored_protocols
-    ["http://","https://", "ftp://", "mailto:", "smb://"]
-  end
-
-  def rebuild_path(file_path)
-    file_path = file_path.dup
-    file_path.gsub!(/(#.*)/, "")
-    id = $1 || ""
-    file_path = relative_file_path(file_path)
-    file_path = sanitize_slashes(file_path)
-
-    [
-      Gitlab.config.gitlab.relative_url_root,
-      @project.path_with_namespace,
-      path_with_ref(file_path),
-      file_path
-    ].compact.join("/").gsub(/\A\/*|\/*\z/, '') + id
-  end
-
-  def sanitize_slashes(path)
-    path[0] = "" if path.start_with?("/")
-    path.chop if path.end_with?("/")
-    path
-  end
-
-  def relative_file_path(path)
-    requested_path = @path
-    nested_path = build_nested_path(path, requested_path)
-    return nested_path if file_exists?(nested_path)
-    path
-  end
-
-  # Covering a special case, when the link is referencing file in the same directory eg:
-  # If we are at doc/api/README.md and the README.md contains relative links like [Users](users.md)
-  # this takes the request path(doc/api/README.md), and replaces the README.md with users.md so the path looks like doc/api/users.md
-  # If we are at doc/api and the README.md shown in below the tree view
-  # this takes the request path(doc/api) and adds users.md so the path looks like doc/api/users.md
-  def build_nested_path(path, request_path)
-    return request_path if path == ""
-    return path unless request_path
-    if local_path(request_path) == "tree"
-      base = request_path.split("/").push(path)
-      base.join("/")
-    else
-      base = request_path.split("/")
-      base.pop
-      base.push(path).join("/")
-    end
-  end
-
-  # Checks if the path exists in the repo
-  # eg. checks if doc/README.md exists, if not then link to blob
-  def path_with_ref(path)
-    if file_exists?(path)
-      "#{local_path(path)}/#{correct_ref}"
-    else
-      "blob/#{correct_ref}"
-    end
-  end
-
-  def file_exists?(path)
-    return false if path.nil?
-    @repository.blob_at(current_sha, path).present? || @repository.tree(current_sha, path).entries.any?
-  end
-
-  # Check if the path is pointing to a directory(tree) or a file(blob)
-  # eg. doc/api is directory and doc/README.md is file
-  def local_path(path)
-    return "tree" if @repository.tree(current_sha, path).entries.any?
-    return "raw" if @repository.blob_at(current_sha, path).image?
-    "blob"
-  end
-
-  def current_sha
-    if @commit
-      @commit.id
-    elsif @repository && !@repository.empty?
-      if @ref
-        @repository.commit(@ref).try(:sha)
-      else
-        @repository.head_commit.sha
-      end
-    end
-  end
-
-  # We will assume that if no ref exists we can point to master
-  def correct_ref
-    @ref ? @ref : "master"
-  end
-
   private
 
   # Return +text+, truncated to +max_chars+ characters, excluding any HTML
-- 
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