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module SlashCommands
class InterpretService < BaseService
include Gitlab::SlashCommands::Dsl
attr_reader :noteable
# Takes a text and interpret the commands that are extracted from it.
# Returns a hash of changes to be applied to a record.
def execute(content, noteable)
@noteable = noteable
@updates = {}
opts = {
noteable: noteable,
current_user: current_user,
project: project
}
content, commands = extractor.extract_commands(content, opts)
commands.each do |name, *args|
definition = self.class.command_definitions_by_name[name.to_sym]
next unless definition
definition.execute(self, opts, *args)
end
[content, @updates]
end
private
def extractor
Gitlab::SlashCommands::Extractor.new(self.class.command_definitions)
end
desc do
"Close this #{noteable.to_ability_name.humanize(capitalize: false)}"
end
condition do
noteable.persisted? &&
noteable.open? &&
current_user.can?(:"update_#{noteable.to_ability_name}", noteable)
end
command :close do
@updates[:state_event] = 'close'
end
desc do
"Reopen this #{noteable.to_ability_name.humanize(capitalize: false)}"
end
condition do
noteable.closed? &&
current_user.can?(:"update_#{noteable.to_ability_name}", noteable)
end
command :reopen, :open do
@updates[:state_event] = 'reopen'
end
desc 'Change title'
params '<New title>'
condition do
noteable.persisted? &&
current_user.can?(:"update_#{noteable.to_ability_name}", noteable)
end
command :title do |title_param|
@updates[:title] = title_param
end
desc 'Assign'
params '@user'
condition do
current_user.can?(:"admin_#{noteable.to_ability_name}", project)
end
command :assign do |assignee_param|
user = extract_references(assignee_param, :user).first
user ||= User.find_by(username: assignee_param)
user ||= User.find_by(name: assignee_param)
@updates[:assignee_id] = user.id if user
end
desc 'Remove assignee'
condition do
noteable.assignee_id? &&
current_user.can?(:"admin_#{noteable.to_ability_name}", project)
end
command :unassign, :remove_assignee do
@updates[:assignee_id] = nil
end
desc 'Set milestone'
params '%"milestone"'
condition do
current_user.can?(:"admin_#{noteable.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
noteable.milestone_id? &&
current_user.can?(:"admin_#{noteable.to_ability_name}", project)
end
command :clear_milestone, :remove_milestone do
@updates[:milestone_id] = nil
end
desc 'Add label(s)'
params '~label1 ~"label 2"'
condition do
current_user.can?(:"admin_#{noteable.to_ability_name}", project) &&
project.labels.any?
end
command :label, :labels do |labels_param|
label_ids = find_label_ids(labels_param)
@updates[:add_label_ids] = label_ids unless label_ids.empty?
end
desc 'Remove label(s)'
params '~label1 ~"label 2"'
condition do
noteable.labels.any? &&
current_user.can?(:"admin_#{noteable.to_ability_name}", project)
end
command :unlabel, :remove_label, :remove_labels do |labels_param|
label_ids = find_label_ids(labels_param)
@updates[:remove_label_ids] = label_ids unless label_ids.empty?
end
desc 'Remove all labels'
condition do
noteable.labels.any? &&
current_user.can?(:"admin_#{noteable.to_ability_name}", project)
end
command :clear_labels, :clear_label do
@updates[:label_ids] = []
end
desc 'Add a todo'
condition do
noteable.persisted? &&
!TodoService.new.todo_exist?(noteable, current_user)
end
command :todo do
@updates[:todo_event] = 'add'
end
desc 'Mark todo as done'
condition do
TodoService.new.todo_exist?(noteable, current_user)
end
command :done do
@updates[:todo_event] = 'done'
end
desc 'Subscribe'
condition do
noteable.persisted? &&
!noteable.subscribed?(current_user)
end
command :subscribe do
@updates[:subscription_event] = 'subscribe'
end
desc 'Unsubscribe'
condition do
noteable.persisted? &&
noteable.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
noteable.respond_to?(:due_date) &&
current_user.can?(:"update_#{noteable.to_ability_name}", noteable)
end
command :due, :due_date 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
noteable.respond_to?(:due_date) &&
noteable.due_date? &&
current_user.can?(:"update_#{noteable.to_ability_name}", noteable)
end
command :clear_due_date do
@updates[:due_date] = nil
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 = @project.labels.where(name: labels_param.split).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
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