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discourse-custom-wizard-unl.../lib/custom_wizard/builder.rb
2019-12-05 17:48:32 +11:00

634 Zeilen
19 KiB
Ruby

TagStruct = Struct.new(:id, :name)
class CustomWizard::Builder
attr_accessor :wizard, :updater, :submissions
def initialize(user=nil, wizard_id)
data = PluginStore.get('custom_wizard', wizard_id)
return if data.blank?
@steps = data['steps']
@wizard = CustomWizard::Wizard.new(user, data)
if user
@submissions = Array.wrap(PluginStore.get("#{wizard_id}_submissions", user.id))
end
end
def self.sorted_handlers
@sorted_handlers ||= []
end
def self.step_handlers
sorted_handlers.map { |h| { wizard_id: h[:wizard_id], block: h[:block] } }
end
def self.add_step_handler(priority = 0, wizard_id, &block)
sorted_handlers << { priority: priority, wizard_id: wizard_id, block: block }
@sorted_handlers.sort_by! { |h| -h[:priority] }
end
def self.sorted_field_validators
@sorted_field_validators ||= []
end
def self.field_validators
sorted_field_validators.map { |h| { type: h[:type], block: h[:block] } }
end
def self.add_field_validator(priority = 0, type, &block)
sorted_field_validators << { priority: priority, type: type, block: block }
@sorted_field_validators.sort_by! { |h| -h[:priority] }
end
USER_FIELDS = ['name', 'username', 'email', 'date_of_birth', 'title', 'locale']
PROFILE_FIELDS = ['location', 'website', 'bio_raw', 'profile_background', 'card_background']
def self.fill_placeholders(string, user, data)
result = string.gsub(/u\{(.*?)\}/) do |match|
result = ''
result = user.send($1) if USER_FIELDS.include?($1)
result = user.user_profile.send($1) if PROFILE_FIELDS.include?($1)
result
end
result = result.gsub(/w\{(.*?)\}/) { |match| recurse(data, [*$1.split('.')]) }
result.gsub(/v\{(.*?)\}/) do |match|
attrs = $1.split(':')
key = attrs.first
format = attrs.length > 1 ? attrs.last : nil
v = nil
if key == 'time'
time_format = format.present? ? format : "%B %-d, %Y"
v = Time.now.strftime(time_format)
end
v
end
end
def self.recurse(data, keys)
k = keys.shift
result = data[k]
keys.empty? ? result : self.recurse(result, keys)
end
def build(build_opts = {}, params = {})
return @wizard if !SiteSetting.custom_wizard_enabled ||
(!@wizard.multiple_submissions &&
@wizard.completed? &&
!@wizard.user.admin) ||
!@steps ||
!@wizard.permitted?
reset_submissions if build_opts[:reset]
@steps.each do |step_template|
@wizard.append_step(step_template['id']) do |step|
step.title = step_template['title'] if step_template['title']
step.description = step_template['description'] if step_template['description']
step.banner = step_template['banner'] if step_template['banner']
step.key = step_template['key'] if step_template['key']
step.permitted = true
if permitted_params = step_template['permitted_params']
permitted_data = {}
permitted_params.each do |param|
key = param['key'].to_sym
permitted_data[key] = params[key] if params[key]
end
if permitted_data.present?
current_data = @submissions.last || {}
save_submissions(current_data.merge(permitted_data), false)
end
end
if required_data = step_template['required_data']
if !@submissions.last && required_data.present?
step.permitted = false
next
end
required_data.each do |rd|
if rd['connector'] === 'equals'
step.permitted = @submissions.last[rd['key']] == @submissions.last[rd['value']]
end
end
if !step.permitted
step.permitted_message = step_template['required_data_message'] if step_template['required_data_message']
next
end
end
if step_template['fields'] && step_template['fields'].length
step_template['fields'].each do |field_template|
append_field(step, step_template, field_template, build_opts)
end
end
step.on_update do |updater|
@updater = updater
user = @wizard.user
if step_template['fields'] && step_template['fields'].length
step_template['fields'].each do |field|
validate_field(field, updater, step_template) if field['type'] != 'text-only'
end
end
next if updater.errors.any?
CustomWizard::Builder.step_handlers.each do |handler|
if handler[:wizard_id] == @wizard.id
handler[:block].call(self)
end
end
next if updater.errors.any?
data = updater.fields.to_h
## if the wizard has data from the previous steps make that accessible to the actions.
if @submissions && @submissions.last && !@submissions.last.key?("submitted_at")
submission = @submissions.last
data = submission.merge(data)
end
if step_template['actions'] && step_template['actions'].length && data
step_template['actions'].each do |action|
self.send(action['type'].to_sym, user, action, data)
end
end
final_step = updater.step.next.nil?
if route_to = data['route_to']
data.delete('route_to')
end
if @wizard.save_submissions && updater.errors.empty?
save_submissions(data, final_step)
elsif final_step
PluginStore.remove("#{@wizard.id}_submissions", @wizard.user.id)
end
if final_step && @wizard.id === @wizard.user.custom_fields['redirect_to_wizard']
@wizard.user.custom_fields.delete('redirect_to_wizard');
@wizard.user.save_custom_fields(true)
end
if updater.errors.empty?
if final_step
updater.result[:redirect_on_complete] = route_to || data['redirect_on_complete']
elsif route_to
updater.result[:redirect_on_next] = route_to
end
end
end
end
end
@wizard
end
def append_field(step, step_template, field_template, build_opts)
params = {
id: field_template['id'],
type: field_template['type'],
required: field_template['required']
}
params[:label] = field_template['label'] if field_template['label']
params[:description] = field_template['description'] if field_template['description']
params[:image] = field_template['image'] if field_template['image']
params[:key] = field_template['key'] if field_template['key']
## Load previously submitted values
if !build_opts[:reset] && @submissions.last && !@submissions.last.key?("submitted_at")
submission = @submissions.last
params[:value] = submission[field_template['id']] if submission[field_template['id']]
end
## If a field updates a profile field, load the current value
if step_template['actions'] && step_template['actions'].any?
profile_actions = step_template['actions'].select { |a| a['type'] === 'update_profile' }
if profile_actions.any?
profile_actions.each do |action|
if update = action['profile_updates'].select { |u| u['key'] === field_template['id'] }.first
params[:value] = prefill_profile_field(update)
end
end
end
end
if field_template['type'] === 'checkbox'
params[:value] = standardise_boolean(params[:value])
end
if field_template['type'] === 'upload'
params[:file_types] = field_template['file_types']
end
if field_template['type'] === 'category' || field_template['type'] === 'tag'
params[:limit] = field_template['limit']
end
if field_template['type'] === 'category'
params[:property] = field_template['property']
end
field = step.add_field(params)
if field_template['type'] === 'dropdown'
build_dropdown_list(field, field_template)
end
end
def prefill_profile_field(update)
attribute = update['value']
custom_field = update['value_custom']
user_field = update['user_field']
if user_field || custom_field
UserCustomField.where(user_id: @wizard.user.id, name: user_field || custom_field).pluck(:value).first
elsif UserProfile.column_names.include? attribute
UserProfile.find_by(user_id: @wizard.user.id).send(attribute)
elsif User.column_names.include? attribute
User.find(@wizard.user.id).send(attribute)
end
end
def build_dropdown_list(field, field_template)
field.dropdown_none = field_template['dropdown_none'] if field_template['dropdown_none']
if field_template['choices'] && field_template['choices'].length > 0
field_template['choices'].each do |c|
field.add_choice(c['key'], label: c['value'])
end
elsif field_template['choices_key'] && field_template['choices_key'].length > 0
choices = I18n.t(field_template['choices_key'])
if choices.is_a?(Hash)
choices.each { |k, v| field.add_choice(k, label: v) }
end
elsif field_template['choices_preset'] && field_template['choices_preset'].length > 0
objects = []
guardian = Guardian.new(@wizard.user)
site = Site.new(guardian)
if field_template['choices_preset'] === 'categories'
objects = site.categories
end
if field_template['choices_preset'] === 'groups'
objects = site.groups
end
if field_template['choices_preset'] === 'tags'
objects = Tag.top_tags(guardian: guardian).map { |tag| TagStruct.new(tag,tag) }
end
if field_template['choices_preset'] === 'flags'
objects = CustomWizard::Flags.list
end
if field_template['choices_filters'] && field_template['choices_filters'].length > 0
field_template['choices_filters'].each do |f|
objects.reject! do |o|
if f['key'].include? 'custom_fields'
o.custom_fields[f['key'].split('.')[1]].to_s != f['value'].to_s
else
o[prop].to_s != f['value'].to_s
end
end
end
end
if objects.length > 0
objects.each do |o|
field.add_choice(o.id, label: o.name)
end
end
end
end
def validate_field(field, updater, step_template)
value = updater.fields[field['id']]
min_length = false
if is_text_type(field)
min_length = field['min_length']
end
if min_length && value.is_a?(String) && value.strip.length < min_length.to_i
label = field['label'] || I18n.t("#{field['key']}.label")
updater.errors.add(field['id'].to_s, I18n.t('wizard.field.too_short', label: label, min: min_length.to_i))
end
## ensure all checkboxes are booleans
if field['type'] === 'checkbox'
updater.fields[field['id']] = standardise_boolean(value)
end
CustomWizard::Builder.field_validators.each do |validator|
if field['type'] === validator[:type]
validator[:block].call(field, updater, step_template)
end
end
end
def is_text_type(field)
['text', 'textarea'].include? field['type']
end
def standardise_boolean(value)
ActiveRecord::Type::Boolean.new.cast(value)
end
def create_topic(user, action, data)
if action['custom_title_enabled']
title = CustomWizard::Builder.fill_placeholders(action['custom_title'], user, data)
else
title = data[action['title']]
end
if action['post_builder']
post = CustomWizard::Builder.fill_placeholders(action['post_template'], user, data)
else
post = data[action['post']]
end
if title
params = {
title: title,
raw: post,
skip_validations: true
}
params[:category] = action_category_id(action, data)
tags = action['tags'] || []
params[:tags] = tags
topic_custom_fields = {}
if action['add_fields']
action['add_fields'].each do |field|
value = field['value_custom'].present? ? field['value_custom'] : data[field['value']]
key = field['key']
if key && (value.present? || value === false)
if key.include?('custom_fields')
keyArr = key.split('.')
if keyArr.length === 3
custom_key = keyArr.last
type = keyArr.first
if type === 'topic'
topic_custom_fields[custom_key] = value
elsif type === 'post'
params[:custom_fields] ||= {}
params[:custom_fields][custom_key.to_sym] = value
end
end
else
value = [*value] + tags if key === 'tags'
params[key.to_sym] = value
end
end
end
end
creator = PostCreator.new(user, params)
post = creator.create
if creator.errors.present?
updater.errors.add(:create_topic, creator.errors.full_messages.join(" "))
else
if topic_custom_fields.present?
topic_custom_fields.each do |k, v|
post.topic.custom_fields[k] = v
end
post.topic.save_custom_fields(true)
end
unless action['skip_redirect']
data['redirect_on_complete'] = post.topic.url
end
end
end
end
def send_message(user, action, data)
if action['required'].present? && data[action['required']].blank?
return
end
if action['custom_title_enabled']
title = CustomWizard::Builder.fill_placeholders(action['custom_title'], user, data)
else
title = data[action['title']]
end
if action['post_builder']
post = CustomWizard::Builder.fill_placeholders(action['post_template'], user, data)
else
post = data[action['post']]
end
if title && post
creator = PostCreator.new(user,
title: title,
raw: post,
archetype: Archetype.private_message,
target_usernames: action['username']
)
post = creator.create
if creator.errors.present?
updater.errors.add(:send_message, creator.errors.full_messages.join(" "))
else
unless action['skip_redirect']
data['redirect_on_complete'] = post.topic.url
end
end
end
end
def update_profile(user, action, data)
return unless action['profile_updates'].length
attributes = {}
custom_fields = {}
action['profile_updates'].each do |pu|
value = pu['value']
custom_field = nil
if pu['value_custom'].present?
custom_parts = pu['value_custom'].split('.')
if custom_parts.length == 2 && custom_parts[0] == 'custom_field'
custom_field = custom_parts[1]
else
value = custom_parts[0]
end
end
user_field = pu['user_field']
key = pu['key']
return if data[key].blank?
if user_field || custom_field
custom_fields[user_field || custom_field] = data[key]
else
updater_key = value
if ['profile_background', 'card_background'].include?(value)
updater_key = "#{value}_upload_url"
end
attributes[updater_key.to_sym] = data[key] if updater_key
end
if ['user_avatar'].include?(value)
this_upload_id = data[key][:id]
user.create_user_avatar unless user.user_avatar
user.user_avatar.custom_upload_id = this_upload_id
user.uploaded_avatar_id = this_upload_id
user.save!
user.user_avatar.save!
end
end
if custom_fields.present?
attributes[:custom_fields] = custom_fields
end
if attributes.present?
user_updater = UserUpdater.new(user, user)
user_updater.update(attributes)
end
end
def send_to_api(user, action, data)
api_body = nil
if action['api_body'] != ""
begin
api_body_parsed = JSON.parse(action['api_body'])
rescue JSON::ParserError
raise Discourse::InvalidParameters, "Invalid API body definition: #{action['api_body']} for #{action['title']}"
end
api_body = JSON.parse(CustomWizard::Builder.fill_placeholders(JSON.generate(api_body_parsed), user, data))
end
result = CustomWizard::Api::Endpoint.request(user, action['api'], action['api_endpoint'], api_body)
if error = result['error'] || (result[0] && result[0]['error'])
error = error['message'] || error
updater.errors.add(:send_to_api, error)
else
## add validation callback
end
end
def open_composer(user, action, data)
if action['custom_title_enabled']
title = CustomWizard::Builder.fill_placeholders(action['custom_title'], user, data)
else
title = data[action['title']]
end
url = "/new-topic?title=#{title}"
if action['post_builder']
post = CustomWizard::Builder.fill_placeholders(action['post_template'], user, data)
else
post = data[action['post']]
end
url += "&body=#{post}"
if category_id = action_category_id(action, data)
if category = Category.find(category_id)
url += "&category=#{category.full_slug('/')}"
end
end
if tags = action_tags(action, data)
url += "&tags=#{tags.join(',')}"
end
data['redirect_on_complete'] = Discourse.base_uri + URI.encode(url)
end
def add_to_group(user, action, data)
if group_id = data[action['group_id']]
if group = Group.find(group_id)
group.add(user)
end
end
end
def route_to(user, action, data)
url = CustomWizard::Builder.fill_placeholders(action['url'], user, data)
if action['code']
data[action['code']] = SecureRandom.hex(8)
url += "&#{action['code']}=#{data[action['code']]}"
end
data['route_to'] = URI.encode(url)
end
def save_submissions(data, final_step)
if final_step
data['submitted_at'] = Time.now.iso8601
end
if data.present?
@submissions.pop(1) if @wizard.unfinished?
@submissions.push(data)
PluginStore.set("#{@wizard.id}_submissions", @wizard.user.id, @submissions)
end
end
def reset_submissions
@submissions.pop(1) if @wizard.unfinished?
PluginStore.set("#{@wizard.id}_submissions", @wizard.user.id, @submissions)
@wizard.reset
end
def action_category_id(action, data)
if action['custom_category_enabled']
if action['custom_category_wizard_field']
data[action['category_id']]
elsif action['custom_category_user_field_key']
if action['custom_category_user_field_key'].include?('custom_fields')
field = action['custom_category_user_field_key'].split('.').last
user.custom_fields[field]
else
user.send(action['custom_category_user_field_key'])
end
end
else
action['category_id']
end
end
def action_tags(action, data)
if action['custom_tag_enabled']
data[action['custom_tag_field']]
else
action['tags']
end
end
end