debian-mirror-gitlab/app/services/slash_commands/interpret_service.rb
2017-08-17 22:00:37 +05:30

515 lines
15 KiB
Ruby

module SlashCommands
class InterpretService < BaseService
include Gitlab::SlashCommands::Dsl
attr_reader :issuable
# Takes a text and interprets the commands that are extracted from it.
# Returns the content without commands, and hash of changes to be applied to a record.
def execute(content, issuable)
return [content, {}] unless current_user.can?(:use_slash_commands)
@issuable = issuable
@updates = {}
content, commands = extractor.extract_commands(content, context)
extract_updates(commands, context)
[content, @updates]
end
# Takes a text and interprets the commands that are extracted from it.
# Returns the content without commands, and array of changes explained.
def explain(content, issuable)
return [content, []] unless current_user.can?(:use_slash_commands)
@issuable = issuable
content, commands = extractor.extract_commands(content, context)
commands = explain_commands(commands, context)
[content, commands]
end
private
def extractor
Gitlab::SlashCommands::Extractor.new(self.class.command_definitions)
end
desc do
"Close this #{issuable.to_ability_name.humanize(capitalize: false)}"
end
explanation do
"Closes this #{issuable.to_ability_name.humanize(capitalize: false)}."
end
condition do
issuable.persisted? &&
issuable.open? &&
current_user.can?(:"update_#{issuable.to_ability_name}", issuable)
end
command :close do
@updates[:state_event] = 'close'
end
desc do
"Reopen this #{issuable.to_ability_name.humanize(capitalize: false)}"
end
explanation do
"Reopens this #{issuable.to_ability_name.humanize(capitalize: false)}."
end
condition do
issuable.persisted? &&
issuable.closed? &&
current_user.can?(:"update_#{issuable.to_ability_name}", issuable)
end
command :reopen do
@updates[:state_event] = 'reopen'
end
desc 'Merge (when the pipeline succeeds)'
explanation 'Merges this merge request when the pipeline succeeds.'
condition do
last_diff_sha = params && params[:merge_request_diff_head_sha]
issuable.is_a?(MergeRequest) &&
issuable.persisted? &&
issuable.mergeable_with_slash_command?(current_user, autocomplete_precheck: !last_diff_sha, last_diff_sha: last_diff_sha)
end
command :merge do
@updates[:merge] = params[:merge_request_diff_head_sha]
end
desc 'Change title'
explanation do |title_param|
"Changes the title to \"#{title_param}\"."
end
params '<New title>'
condition do
issuable.persisted? &&
current_user.can?(:"update_#{issuable.to_ability_name}", issuable)
end
command :title do |title_param|
@updates[:title] = title_param
end
desc 'Assign'
explanation do |users|
"Assigns #{users.first.to_reference}." if users.any?
end
params '@user'
condition do
current_user.can?(:"admin_#{issuable.to_ability_name}", project)
end
parse_params do |assignee_param|
extract_users(assignee_param)
end
command :assign do |users|
next if users.empty?
if issuable.is_a?(Issue)
@updates[:assignee_ids] = [users.last.id]
else
@updates[:assignee_id] = users.last.id
end
end
desc 'Remove assignee'
explanation do
"Removes assignee #{issuable.assignees.first.to_reference}."
end
condition do
issuable.persisted? &&
issuable.assignees.any? &&
current_user.can?(:"admin_#{issuable.to_ability_name}", project)
end
command :unassign do
if issuable.is_a?(Issue)
@updates[:assignee_ids] = []
else
@updates[:assignee_id] = nil
end
end
desc 'Set milestone'
explanation do |milestone|
"Sets the milestone to #{milestone.to_reference}." if milestone
end
params '%"milestone"'
condition do
current_user.can?(:"admin_#{issuable.to_ability_name}", project) &&
project.milestones.active.any?
end
parse_params do |milestone_param|
extract_references(milestone_param, :milestone).first ||
project.milestones.find_by(title: milestone_param.strip)
end
command :milestone do |milestone|
@updates[:milestone_id] = milestone.id if milestone
end
desc 'Remove milestone'
explanation do
"Removes #{issuable.milestone.to_reference(format: :name)} milestone."
end
condition do
issuable.persisted? &&
issuable.milestone_id? &&
current_user.can?(:"admin_#{issuable.to_ability_name}", project)
end
command :remove_milestone do
@updates[:milestone_id] = nil
end
desc 'Add label(s)'
explanation do |labels_param|
labels = find_label_references(labels_param)
"Adds #{labels.join(' ')} #{'label'.pluralize(labels.count)}." if labels.any?
end
params '~label1 ~"label 2"'
condition do
available_labels = LabelsFinder.new(current_user, project_id: project.id).execute
current_user.can?(:"admin_#{issuable.to_ability_name}", project) &&
available_labels.any?
end
command :label do |labels_param|
label_ids = find_label_ids(labels_param)
if label_ids.any?
@updates[:add_label_ids] ||= []
@updates[:add_label_ids] += label_ids
@updates[:add_label_ids].uniq!
end
end
desc 'Remove all or specific label(s)'
explanation do |labels_param = nil|
if labels_param.present?
labels = find_label_references(labels_param)
"Removes #{labels.join(' ')} #{'label'.pluralize(labels.count)}." if labels.any?
else
'Removes all labels.'
end
end
params '~label1 ~"label 2"'
condition do
issuable.persisted? &&
issuable.labels.any? &&
current_user.can?(:"admin_#{issuable.to_ability_name}", project)
end
command :unlabel do |labels_param = nil|
if labels_param.present?
label_ids = find_label_ids(labels_param)
if label_ids.any?
@updates[:remove_label_ids] ||= []
@updates[:remove_label_ids] += label_ids
@updates[:remove_label_ids].uniq!
end
else
@updates[:label_ids] = []
end
end
desc 'Replace all label(s)'
explanation do |labels_param|
labels = find_label_references(labels_param)
"Replaces all labels with #{labels.join(' ')} #{'label'.pluralize(labels.count)}." if labels.any?
end
params '~label1 ~"label 2"'
condition do
issuable.persisted? &&
issuable.labels.any? &&
current_user.can?(:"admin_#{issuable.to_ability_name}", project)
end
command :relabel do |labels_param|
label_ids = find_label_ids(labels_param)
if label_ids.any?
@updates[:label_ids] ||= []
@updates[:label_ids] += label_ids
@updates[:label_ids].uniq!
end
end
desc 'Add a todo'
explanation 'Adds a todo.'
condition do
issuable.persisted? &&
!TodoService.new.todo_exist?(issuable, current_user)
end
command :todo do
@updates[:todo_event] = 'add'
end
desc 'Mark todo as done'
explanation 'Marks todo as done.'
condition do
issuable.persisted? &&
TodoService.new.todo_exist?(issuable, current_user)
end
command :done do
@updates[:todo_event] = 'done'
end
desc 'Subscribe'
explanation do
"Subscribes to this #{issuable.to_ability_name.humanize(capitalize: false)}."
end
condition do
issuable.persisted? &&
!issuable.subscribed?(current_user, project)
end
command :subscribe do
@updates[:subscription_event] = 'subscribe'
end
desc 'Unsubscribe'
explanation do
"Unsubscribes from this #{issuable.to_ability_name.humanize(capitalize: false)}."
end
condition do
issuable.persisted? &&
issuable.subscribed?(current_user, project)
end
command :unsubscribe do
@updates[:subscription_event] = 'unsubscribe'
end
desc 'Set due date'
explanation do |due_date|
"Sets the due date to #{due_date.to_s(:medium)}." if due_date
end
params '<in 2 days | this Friday | December 31st>'
condition do
issuable.respond_to?(:due_date) &&
current_user.can?(:"admin_#{issuable.to_ability_name}", project)
end
parse_params do |due_date_param|
Chronic.parse(due_date_param).try(:to_date)
end
command :due do |due_date|
@updates[:due_date] = due_date if due_date
end
desc 'Remove due date'
explanation 'Removes the due date.'
condition do
issuable.persisted? &&
issuable.respond_to?(:due_date) &&
issuable.due_date? &&
current_user.can?(:"admin_#{issuable.to_ability_name}", project)
end
command :remove_due_date do
@updates[:due_date] = nil
end
desc 'Toggle the Work In Progress status'
explanation do
verb = issuable.work_in_progress? ? 'Unmarks' : 'Marks'
noun = issuable.to_ability_name.humanize(capitalize: false)
"#{verb} this #{noun} as Work In Progress."
end
condition do
issuable.persisted? &&
issuable.respond_to?(:work_in_progress?) &&
current_user.can?(:"update_#{issuable.to_ability_name}", issuable)
end
command :wip do
@updates[:wip_event] = issuable.work_in_progress? ? 'unwip' : 'wip'
end
desc 'Toggle emoji award'
explanation do |name|
"Toggles :#{name}: emoji award." if name
end
params ':emoji:'
condition do
issuable.persisted?
end
parse_params do |emoji_param|
match = emoji_param.match(Banzai::Filter::EmojiFilter.emoji_pattern)
match[1] if match
end
command :award do |name|
if name && issuable.user_can_award?(current_user, name)
@updates[:emoji_award] = name
end
end
desc 'Set time estimate'
explanation do |time_estimate|
time_estimate = Gitlab::TimeTrackingFormatter.output(time_estimate)
"Sets time estimate to #{time_estimate}." if time_estimate
end
params '<1w 3d 2h 14m>'
condition do
current_user.can?(:"admin_#{issuable.to_ability_name}", project)
end
parse_params do |raw_duration|
Gitlab::TimeTrackingFormatter.parse(raw_duration)
end
command :estimate do |time_estimate|
if time_estimate
@updates[:time_estimate] = time_estimate
end
end
desc 'Add or substract spent time'
explanation do |time_spent|
if time_spent
if time_spent > 0
verb = 'Adds'
value = time_spent
else
verb = 'Substracts'
value = -time_spent
end
"#{verb} #{Gitlab::TimeTrackingFormatter.output(value)} spent time."
end
end
params '<1h 30m | -1h 30m>'
condition do
current_user.can?(:"admin_#{issuable.to_ability_name}", issuable)
end
parse_params do |raw_duration|
Gitlab::TimeTrackingFormatter.parse(raw_duration)
end
command :spend do |time_spent|
if time_spent
@updates[:spend_time] = { duration: time_spent, user: current_user }
end
end
desc 'Remove time estimate'
explanation 'Removes time estimate.'
condition do
issuable.persisted? &&
current_user.can?(:"admin_#{issuable.to_ability_name}", project)
end
command :remove_estimate do
@updates[:time_estimate] = 0
end
desc 'Remove spent time'
explanation 'Removes spent time.'
condition do
issuable.persisted? &&
current_user.can?(:"admin_#{issuable.to_ability_name}", project)
end
command :remove_time_spent do
@updates[:spend_time] = { duration: :reset, user: current_user }
end
# This is a dummy command, so that it appears in the autocomplete commands
desc 'CC'
params '@user'
command :cc
desc 'Define target branch for MR'
explanation do |branch_name|
"Sets target branch to #{branch_name}."
end
params '<Local branch name>'
condition do
issuable.respond_to?(:target_branch) &&
(current_user.can?(:"update_#{issuable.to_ability_name}", issuable) ||
issuable.new_record?)
end
parse_params do |target_branch_param|
target_branch_param.strip
end
command :target_branch do |branch_name|
@updates[:target_branch] = branch_name if project.repository.branch_names.include?(branch_name)
end
desc 'Move issue from one column of the board to another'
explanation do |target_list_name|
label = find_label_references(target_list_name).first
"Moves issue to #{label} column in the board." if label
end
params '~"Target column"'
condition do
issuable.is_a?(Issue) &&
current_user.can?(:"update_#{issuable.to_ability_name}", issuable) &&
issuable.project.boards.count == 1
end
command :board_move do |target_list_name|
label_ids = find_label_ids(target_list_name)
if label_ids.size == 1
label_id = label_ids.first
# Ensure this label corresponds to a list on the board
next unless Label.on_project_boards(issuable.project_id).where(id: label_id).exists?
@updates[:remove_label_ids] =
issuable.labels.on_project_boards(issuable.project_id).where.not(id: label_id).pluck(:id)
@updates[:add_label_ids] = [label_id]
end
end
def extract_users(params)
return [] if params.nil?
users = extract_references(params, :user)
if users.empty?
users = User.where(username: params.split(' ').map(&:strip))
end
users
end
def find_labels(labels_param)
extract_references(labels_param, :label) |
LabelsFinder.new(current_user, project_id: project.id, name: labels_param.split).execute
end
def find_label_references(labels_param)
find_labels(labels_param).map(&:to_reference)
end
def find_label_ids(labels_param)
find_labels(labels_param).map(&:id)
end
def explain_commands(commands, opts)
commands.map do |name, arg|
definition = self.class.definition_by_name(name)
next unless definition
definition.explain(self, opts, arg)
end.compact
end
def extract_updates(commands, opts)
commands.each do |name, arg|
definition = self.class.definition_by_name(name)
next unless definition
definition.execute(self, opts, arg)
end
end
def extract_references(arg, type)
ext = Gitlab::ReferenceExtractor.new(project, current_user)
ext.analyze(arg, author: current_user)
ext.references(type)
end
def context
{
issuable: issuable,
current_user: current_user,
project: project,
params: params
}
end
end
end