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# frozen_string_literal: true
require 'addressable/uri'
class Projects::CompareController < Projects::ApplicationController
include DiffForPath
include DiffHelper
include RendersCommits
# Authorize
before_action :require_non_empty_project
before_action :authorize_download_code!
# Defining ivars
before_action :define_diffs, only: [:show, :diff_for_path]
before_action :define_environment, only: [:show]
before_action :define_diff_notes_disabled, only: [:show, :diff_for_path]
before_action :define_commits, only: [:show, :diff_for_path, :signatures]
before_action :merge_request, only: [:index, :show]
# Validation
before_action :validate_refs!
def index
end
def show
apply_diff_view_cookie!
render
end
def diff_for_path
return render_404 unless compare
render_diff_for_path(compare.diffs(diff_options))
end
def create
if params[:from].blank? || params[:to].blank?
flash[:alert] = "You must select a Source and a Target revision"
from_to_vars = {
from: params[:from].presence,
to: params[:to].presence
}
redirect_to project_compare_index_path(@project, from_to_vars)
else
redirect_to project_compare_path(@project,
params[:from], params[:to])
end
end
def signatures
respond_to do |format|
format.json do
render json: {
signatures: @commits.select(&:has_signature?).map do |commit|
{
commit_sha: commit.sha,
html: view_to_html_string('projects/commit/_signature', signature: commit.signature)
}
end
}
end
end
end
private
def validate_refs!
valid = [head_ref, start_ref].map { |ref| valid_ref?(ref) }
return if valid.all?
flash[:alert] = "Invalid branch name"
redirect_to project_compare_index_path(@project)
end
def compare
return @compare if defined?(@compare)
@compare = CompareService.new(@project, head_ref).execute(@project, start_ref)
end
def start_ref
@start_ref ||= Addressable::URI.unescape(params[:from])
end
def head_ref
return @ref if defined?(@ref)
@ref = @head_ref = Addressable::URI.unescape(params[:to])
end
def define_commits
@commits = compare.present? ? set_commits_for_rendering(@compare.commits) : []
end
def define_diffs
@diffs = compare.present? ? compare.diffs(diff_options) : []
end
def define_environment
if compare
environment_params = @repository.branch_exists?(head_ref) ? { ref: head_ref } : { commit: compare.commit }
environment_params[:find_latest] = true
@environment = EnvironmentsFinder.new(@project, current_user, environment_params).execute.last
end
end
def define_diff_notes_disabled
@diff_notes_disabled = compare.present?
end
# rubocop: disable CodeReuse/ActiveRecord
def merge_request
@merge_request ||= MergeRequestsFinder.new(current_user, project_id: @project.id).execute.opened
.find_by(source_project: @project, source_branch: head_ref, target_branch: start_ref)
end
# rubocop: enable CodeReuse/ActiveRecord
end
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