debian-mirror-gitlab/app/services/slash_commands/interpret_service.rb
2016-11-03 12:29:30 +05:30

265 lines
7 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)
@issuable = issuable
@updates = {}
opts = {
issuable: issuable,
current_user: current_user,
project: project
}
content, commands = extractor.extract_commands(content, opts)
commands.each do |name, arg|
definition = self.class.command_definitions_by_name[name.to_sym]
next unless definition
definition.execute(self, opts, arg)
end
[content, @updates]
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
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
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 'Change title'
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'
params '@user'
condition do
current_user.can?(:"admin_#{issuable.to_ability_name}", project)
end
command :assign do |assignee_param|
user = extract_references(assignee_param, :user).first
user ||= User.find_by(username: assignee_param)
@updates[:assignee_id] = user.id if user
end
desc 'Remove assignee'
condition do
issuable.persisted? &&
issuable.assignee_id? &&
current_user.can?(:"admin_#{issuable.to_ability_name}", project)
end
command :unassign do
@updates[:assignee_id] = nil
end
desc 'Set milestone'
params '%"milestone"'
condition do
current_user.can?(:"admin_#{issuable.to_ability_name}", project) &&
project.milestones.active.any?
end
command :milestone do |milestone_param|
milestone = extract_references(milestone_param, :milestone).first
milestone ||= project.milestones.find_by(title: milestone_param.strip)
@updates[:milestone_id] = milestone.id if milestone
end
desc 'Remove milestone'
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)'
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)'
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)'
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'
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'
condition do
issuable.persisted? &&
TodoService.new.todo_exist?(issuable, current_user)
end
command :done do
@updates[:todo_event] = 'done'
end
desc 'Subscribe'
condition do
issuable.persisted? &&
!issuable.subscribed?(current_user)
end
command :subscribe do
@updates[:subscription_event] = 'subscribe'
end
desc 'Unsubscribe'
condition do
issuable.persisted? &&
issuable.subscribed?(current_user)
end
command :unsubscribe do
@updates[:subscription_event] = 'unsubscribe'
end
desc 'Set due date'
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
command :due do |due_date_param|
due_date = Chronic.parse(due_date_param).try(:to_date)
@updates[:due_date] = due_date if due_date
end
desc 'Remove 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 do
"Toggle the Work In Progress status"
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
# This is a dummy command, so that it appears in the autocomplete commands
desc 'CC'
params '@user'
command :cc
def find_label_ids(labels_param)
label_ids_by_reference = extract_references(labels_param, :label).map(&:id)
labels_ids_by_name = LabelsFinder.new(current_user, project_id: project.id, name: labels_param.split).execute.select(:id)
label_ids_by_reference | labels_ids_by_name
end
def extract_references(arg, type)
ext = Gitlab::ReferenceExtractor.new(project, current_user)
ext.analyze(arg, author: current_user)
ext.references(type)
end
end
end