trabajo-afectivo/lib/notification_factory.rb

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module NotificationFactory
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=begin
# deprecated, will be removed with 2.0
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result_string = NotificationFactory.build(
string: 'Hi #{recipient.firstname},',
objects: {
ticket : ticket,
recipient: User.find(2),
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},
locale: 'en',
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)
=end
def self.build(data)
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data[:string].gsub!( / \#\{ \s* ( .+? ) \s* \} /xm ) { |placeholder|
# store possible callback to work with
# and check if it's valid for execution
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original_string = $&
callback = $1
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object_name = nil
object_method = nil
if callback =~ /\A ( [\w]+ )\.( [\w\.]+ ) \z/x
object_name = $1
object_method = $2
end
# do validaton, ignore some methodes
if callback =~ /(`|\.(|\s*)(save|destroy|delete|remove|drop|update\(|update_att|create\(|new|all|where|find))/i
placeholder = "#{original_string} (not allowed)"
# get value based on object_name and object_method
elsif object_name && object_method
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# use config params
if object_name == 'config'
placeholder = Setting.get(object_method)
# if object_name dosn't exist
elsif !data[:objects][object_name.to_sym]
placeholder = "\#{#{object_name} / no such object}"
else
value = nil
object_refs = data[:objects][object_name.to_sym]
object_methods = object_method.split('.')
object_methods_s = ''
object_methods.each {|method|
if object_methods_s != ''
object_methods_s += '.'
end
object_methods_s += method
# if method exists
if !object_refs.respond_to?( method.to_sym )
value = "\#{#{object_name}.#{object_methods_s} / no such method}"
break
end
object_refs = object_refs.send( method.to_sym )
# add body quote
next if object_name != 'article'
next if method != 'body'
next if data[:objects][:article].content_type != 'text/html'
object_refs = object_refs.html2text.chomp
}
placeholder = if !value
object_refs
else
value
end
end
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end
placeholder
}
# translate
data[:string].gsub!( /i18n\((|.+?)\)/ ) {
string = $1
locale = data[:locale] || 'en'
Translation.translate( locale, string )
}
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data[:string]
end
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=begin
success = NotificationFactory.send(
recipient: User.find(123),
subject: 'sime subject',
body: 'some body',
content_type: '', # optional, e. g. 'text/html'
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)
=end
def self.send(data)
sender = Setting.get('notification_sender')
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Rails.logger.info "Send notification to: #{data[:recipient][:email]} (from #{sender})"
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content_type = 'text/plain'
if data[:content_type]
content_type = data[:content_type]
end
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# get active Email::Outbound Channel and send
channel = Channel.find_by(area: 'Email::Notification', active: true)
channel.deliver(
{
# in_reply_to: in_reply_to,
from: sender,
to: data[:recipient][:email],
subject: data[:subject],
body: data[:body],
content_type: content_type,
},
true
)
end
=begin
NotificationFactory.notification(
template: 'password_reset',
user: User.find(2),
objects: {
recipient: User.find(2),
},
)
=end
def self.notification(data)
# get subject
result = NotificationFactory.template(
template: data[:template],
locale: data[:user].preferences[:locale],
objects: data[:objects],
)
NotificationFactory.send(
recipient: data[:user],
subject: result[:subject],
body: result[:body],
content_type: 'text/html',
)
end
=begin
result = NotificationFactory.template(
template: 'password_reset',
locale: 'en-us',
objects: {
recipient: User.find(2),
},
)
result = NotificationFactory.template(
templateInline: "Invitation to <%= c 'product_name' %> at <%= c 'fqdn' %>",
locale: 'en-us',
objects: {
recipient: User.find(2),
},
)
=end
def self.template(data)
if data[:templateInline]
return NotificationFactory::Template.new(data[:objects], data[:locale], data[:templateInline], false).render
end
template_subject = nil
template_body = ''
locale = data[:locale] || 'en'
template = data[:template]
location = "app/views/mailer/#{template}/#{locale}.html.erb"
# as fallback, use 2 char locale
if !File.exist?(location)
locale = locale[0, 2]
location = "app/views/mailer/#{template}/#{locale}.html.erb"
end
# as fallback, use en
if !File.exist?(location)
location = "app/views/mailer/#{template}/en.html.erb"
end
File.open(location, 'r:UTF-8').each do |line|
if !template_subject
template_subject = line
next
end
template_body += line
end
message_subject = NotificationFactory::Template.new(data[:objects], data[:locale], template_subject, false).render
message_body = NotificationFactory::Template.new(data[:objects], data[:locale], template_body).render
application_template = nil
File.open('app/views/mailer/application.html.erb', 'r:UTF-8') do |file|
application_template = file.read
end
data[:objects][:message] = message_body
message_body = NotificationFactory::Template.new(data[:objects], data[:locale], application_template).render
{
subject: message_subject,
body: message_body,
}
end
class Template
def initialize(objects, locale, template, escape = true)
@objects = objects
@locale = locale || 'en-us'
@template = template
@escape = escape
end
def render
ERB.new(@template).result(binding)
end
def d(key, escape = nil)
# do validaton, ignore some methodes
if key =~ /(`|\.(|\s*)(save|destroy|delete|remove|drop|update\(|update_att|create\(|new|all|where|find))/i
return "#{key} (not allowed)"
end
value = nil
object_methods = key.split('.')
object_name = object_methods.shift.to_sym
object_refs = @objects[object_name]
object_methods_s = ''
object_methods.each {|method|
if object_methods_s != ''
object_methods_s += '.'
end
object_methods_s += method
# if method exists
if !object_refs.respond_to?( method.to_sym )
value = "\#{#{object_name}.#{object_methods_s} / no such method}"
break
end
object_refs = object_refs.send( method.to_sym )
}
placeholder = if !value
object_refs
else
value
end
return placeholder if escape == false || (escape.nil? && !@escape)
h placeholder
end
def c(key, escape = nil)
config = Setting.get(key)
return config if escape == false || (escape.nil? && !@escape)
h config
end
def t(key, escape = nil)
translation = Translation.translate(@locale, key)
return translation if escape == false || (escape.nil? && !@escape)
h translation
end
def a(article)
content_type = d "#{article}.content_type", false
if content_type =~ /html/
return d "#{article}.body", false
end
d("#{article}.content_type", false).text2html
end
def h(key)
return key if !key
CGI.escapeHTML(key.to_s)
end
end
end