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discourse-custom-wizard/lib/custom_wizard/builder.rb
Angus McLeod 98f9215d65 various
2020-04-08 12:52:07 +10:00

350 Zeilen
10 KiB
Ruby

class CustomWizard::Builder
attr_accessor :wizard, :updater, :submissions
def initialize(user=nil, wizard_id)
template = PluginStore.get('custom_wizard', wizard_id)
return if template.blank?
@steps = template['steps']
@actions = template['actions']
@wizard = CustomWizard::Wizard.new(user, template)
@submissions = Array.wrap(PluginStore.get("#{wizard_id}_submissions", user.id)) if user
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
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 |p|
pair = p['pairs'].first
params_key = pair['key'].to_sym
submission_key = pair['value'].to_sym
permitted_data[submission_key] = params[params_key] if params[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']).present?
has_required_data = true
pairs =
required_data.each do |required|
required['pairs'].each do |pair|
if pair['key'].blank? || pair['value'].blank?
has_required_data = false
end
end
end
if has_required_data
if !@submissions.last
step.permitted = false
else
required_data.each do |required|
pairs = required['pairs'].map do |p|
p['key'] = @submissions.last[p['key']]
end
unless CustomWizard::Mapper.new(
user: @wizard.user,
data: @submissions.last
).validate_pairs(pairs)
step.permitted = false
end
end
end
if !step.permitted
if step_template['required_data_message']
step.permitted_message = step_template['required_data_message']
end
next
end
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
## 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
final_step = updater.step.next.nil?
if @actions.present?
@actions.each do |action|
if (action.run_after === updater.step.id) ||
(final_step && (!action.run_after || (action.run_after === 'wizard_completion')))
CustomWizard::Action.new(
action: action,
user: user,
data: data,
updater: updater
).perform
end
end
end
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
params[:value] = prefill_field(field_template, step_template) || params[:value]
if field_template['type'] === 'group'
params[:value] = params[:value].first
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
if field_template['type'] === 'category'
@wizard.needs_categories = true
end
if field_template['type'] === 'group'
@wizard.needs_groups = true
end
if (content_inputs = field_template['content']).present?
content = CustomWizard::Mapper.new(
inputs: content_inputs,
user: @wizard.user,
data: @submissions.last,
opts: {
with_type: true
}
).perform
if content[:type] == 'association'
content[:result] = content[:result].map do |item|
{
id: item[:key],
name: item[:value]
}
end
end
params[:content] = content[:result]
end
field = step.add_field(params)
end
def prefill_field(field_template, step_template)
if (prefill = field_template['prefill']).present?
CustomWizard::Mapper.new(
inputs: prefill,
user: @wizard.user,
data: @submissions.last
).perform
end
end
def validate_field(field, updater, step_template)
value = updater.fields[field['id']]
min_length = false
label = field['label'] || I18n.t("#{field['key']}.label")
if field['required'] && !value
updater.errors.add(field['id'].to_s, I18n.t('wizard.field.required', label: label))
end
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
updater.errors.add(
field['id'].to_s,
I18n.t('wizard.field.too_short', label: label, min: min_length.to_i)
)
end
if is_url_type(field)
if !check_if_url(value)
updater.errors.add(field['id'].to_s, I18n.t('wizard.field.not_url', label: label))
end
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 is_url_type(field)
['url'].include? field['type']
end
def check_if_url(value)
value =~ URI::regexp
end
def standardise_boolean(value)
ActiveRecord::Type::Boolean.new.cast(value)
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
end