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module Files
class BaseService < ::BaseService
ValidationError = Class.new(StandardError)
def execute
@start_project = params[:start_project] || @project
@start_branch = params[:start_branch]
@target_branch = params[:target_branch]
@commit_message = params[:commit_message]
@file_path = params[:file_path]
@previous_path = params[:previous_path]
@file_content = if params[:file_content_encoding] == 'base64'
Base64.decode64(params[:file_content])
else
params[:file_content]
end
@last_commit_sha = params[:last_commit_sha]
@author_email = params[:author_email]
@author_name = params[:author_name]
# Validate parameters
validate
# Create new branch if it different from start_branch
validate_target_branch if different_branch?
result = commit
if result
success(result: result)
else
error('Something went wrong. Your changes were not committed')
end
rescue Repository::CommitError, Gitlab::Git::Repository::InvalidBlobName, GitHooksService::PreReceiveError, ValidationError => ex
error(ex.message)
end
private
def different_branch?
@start_branch != @target_branch || @start_project != @project
end
def file_has_changed?
return false unless @last_commit_sha && last_commit
@last_commit_sha != last_commit.sha
end
def raise_error(message)
raise ValidationError.new(message)
end
def validate
allowed = ::Gitlab::UserAccess.new(current_user, project: project).can_push_to_branch?(@target_branch)
unless allowed
raise_error("You are not allowed to push into this branch")
end
if !@start_project.empty_repo? && !@start_project.repository.branch_exists?(@start_branch)
raise ValidationError, 'You can only create or edit files when you are on a branch'
end
if !project.empty_repo? && different_branch? && repository.branch_exists?(@branch_name)
raise ValidationError, "A branch called #{@branch_name} already exists. Switch to that branch in order to make changes"
end
end
def validate_target_branch
result = ValidateNewBranchService.new(project, current_user).
execute(@target_branch)
if result[:status] == :error
raise_error("Something went wrong when we tried to create #{@target_branch} for you: #{result[:message]}")
end
end
end
end
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