gitlab-org--gitlab-foss/app/models/commit.rb
2015-02-02 21:38:50 -08:00

147 lines
3.4 KiB
Ruby

class Commit
include ActiveModel::Conversion
include StaticModel
extend ActiveModel::Naming
include Mentionable
attr_mentionable :safe_message
# Safe amount of changes (files and lines) in one commit to render
# Used to prevent 500 error on huge commits by suppressing diff
#
# User can force display of diff above this size
DIFF_SAFE_FILES = 100 unless defined?(DIFF_SAFE_FILES)
DIFF_SAFE_LINES = 5000 unless defined?(DIFF_SAFE_LINES)
# Commits above this size will not be rendered in HTML
DIFF_HARD_LIMIT_FILES = 1000 unless defined?(DIFF_HARD_LIMIT_FILES)
DIFF_HARD_LIMIT_LINES = 50000 unless defined?(DIFF_HARD_LIMIT_LINES)
class << self
def decorate(commits)
commits.map do |commit|
if commit.kind_of?(Commit)
commit
else
self.new(commit)
end
end
end
# Calculate number of lines to render for diffs
def diff_line_count(diffs)
diffs.reduce(0) { |sum, d| sum + d.diff.lines.count }
end
# Truncate sha to 8 characters
def truncate_sha(sha)
sha[0..7]
end
end
attr_accessor :raw
def initialize(raw_commit)
raise "Nil as raw commit passed" unless raw_commit
@raw = raw_commit
end
def id
@raw.id
end
def diff_line_count
@diff_line_count ||= Commit::diff_line_count(self.diffs)
@diff_line_count
end
# Returns a string describing the commit for use in a link title
#
# Example
#
# "Commit: Alex Denisov - Project git clone panel"
def link_title
"Commit: #{author_name} - #{title}"
end
# Returns the commits title.
#
# Usually, the commit title is the first line of the commit message.
# In case this first line is longer than 100 characters, it is cut off
# after 80 characters and ellipses (`&hellp;`) are appended.
def title
title = safe_message
return no_commit_message if title.blank?
title_end = title.index("\n")
if (!title_end && title.length > 100) || (title_end && title_end > 100)
title[0..79] << "&hellip;".html_safe
else
title.split("\n", 2).first
end
end
# Returns the commits description
#
# cut off, ellipses (`&hellp;`) are prepended to the commit message.
def description
title_end = safe_message.index("\n")
@description ||=
if (!title_end && safe_message.length > 100) || (title_end && title_end > 100)
"&hellip;".html_safe << safe_message[80..-1]
else
safe_message.split("\n", 2)[1].try(:chomp)
end
end
def description?
description.present?
end
def hook_attrs(project)
path_with_namespace = project.path_with_namespace
{
id: id,
message: safe_message,
timestamp: committed_date.xmlschema,
url: "#{Gitlab.config.gitlab.url}/#{path_with_namespace}/commit/#{id}",
author: {
name: author_name,
email: author_email
}
}
end
# Discover issues should be closed when this commit is pushed to a project's
# default branch.
def closes_issues(project)
Gitlab::ClosingIssueExtractor.closed_by_message_in_project(safe_message, project)
end
# Mentionable override.
def gfm_reference
"commit #{id}"
end
def method_missing(m, *args, &block)
@raw.send(m, *args, &block)
end
def respond_to?(method)
return true if @raw.respond_to?(method)
super
end
# Truncate sha to 8 characters
def short_id
@raw.short_id(7)
end
def parents
@parents ||= Commit.decorate(super)
end
end