discourse/app/mailers/user_notifications.rb

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require_dependency 'markdown_linker'
require_dependency 'email/message_builder'
require_dependency 'age_words'
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class UserNotifications < ActionMailer::Base
helper :application
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default charset: 'UTF-8'
include Email::BuildEmailHelper
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def signup(user, opts={})
build_email(user.email,
template: "user_notifications.signup",
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locale: user_locale(user),
email_token: opts[:email_token])
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end
def signup_after_approval(user, opts={})
build_email(user.email,
template: 'user_notifications.signup_after_approval',
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locale: user_locale(user),
email_token: opts[:email_token],
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new_user_tips: I18n.t('system_messages.usage_tips.text_body_template', base_url: Discourse.base_url, locale: locale))
end
def notify_old_email(user, opts={})
build_email(user.email,
template: "user_notifications.notify_old_email",
locale: user_locale(user),
new_email: opts[:new_email])
end
def confirm_old_email(user, opts={})
build_email(user.email,
template: "user_notifications.confirm_old_email",
locale: user_locale(user),
email_token: opts[:email_token])
end
def confirm_new_email(user, opts={})
build_email(user.email,
template: "user_notifications.confirm_new_email",
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locale: user_locale(user),
email_token: opts[:email_token])
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end
def forgot_password(user, opts={})
build_email(user.email,
template: user.has_password? ? "user_notifications.forgot_password" : "user_notifications.set_password",
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locale: user_locale(user),
email_token: opts[:email_token])
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end
def admin_login(user, opts={})
build_email(user.email,
template: "user_notifications.admin_login",
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locale: user_locale(user),
email_token: opts[:email_token])
end
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def account_created(user, opts={})
build_email(user.email,
template: "user_notifications.account_created",
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locale: user_locale(user),
email_token: opts[:email_token])
end
def short_date(dt)
if dt.year == Time.now.year
I18n.l(dt, format: :short_no_year)
else
I18n.l(dt, format: :date_only)
end
end
def mailing_list(user, opts={})
@since = opts[:since] || 1.day.ago
@since_formatted = short_date(@since)
@new_topic_posts = Post.mailing_list_new_topics(user, @since).group_by(&:topic) || {}
@existing_topic_posts = Post.mailing_list_updates(user, @since).group_by(&:topic) || {}
@posts_by_topic = @new_topic_posts.merge @existing_topic_posts
return unless @posts_by_topic.present?
build_summary_for(user)
opts = {
from_alias: I18n.t('user_notifications.mailing_list.from', site_name: SiteSetting.title),
subject: I18n.t('user_notifications.mailing_list.subject_template', site_name: @site_name, date: @date),
mailing_list_mode: true,
add_unsubscribe_link: true,
unsubscribe_url: "#{Discourse.base_url}/email/unsubscribe/#{@unsubscribe_key}",
}
apply_notification_styles(build_email(@user.email, opts))
end
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def digest(user, opts={})
build_summary_for(user)
min_date = opts[:since] || user.last_emailed_at || user.last_seen_at || 1.month.ago
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@last_seen_at = short_date(user.last_seen_at || user.created_at)
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@preheader_text = I18n.t('user_notifications.digest.preheader', last_seen_at: @last_seen_at)
# Try to find 3 interesting stats for the top of the digest
@counts = [{label_key: 'user_notifications.digest.new_topics',
value: Topic.new_since_last_seen(user, min_date).count,
href: "#{Discourse.base_url}/new"}]
value = user.unread_notifications
@counts << {label_key: 'user_notifications.digest.unread_notifications', value: value, href: "#{Discourse.base_url}/my/notifications"} if value > 0
value = user.unread_private_messages
@counts << {label_key: 'user_notifications.digest.unread_messages', value: value, href: "#{Discourse.base_url}/my/messages"} if value > 0
if @counts.size < 3
value = user.unread_notifications_of_type(Notification.types[:liked])
@counts << {label_key: 'user_notifications.digest.liked_received', value: value, href: "#{Discourse.base_url}/my/notifications"} if value > 0
end
if @counts.size < 3
@counts << {
label_key: 'user_notifications.digest.new_posts',
value: Post.for_mailing_list(user, min_date).where("posts.post_number > ?", 1).count,
href: "#{Discourse.base_url}/new"
}
end
if @counts.size < 3
value = User.real.where(active: true, staged: false).not_suspended.where("created_at > ?", min_date).count
@counts << {
label_key: 'user_notifications.digest.new_users',
value: value,
href: "#{Discourse.base_url}/about"
} if value > 0
end
# Now fetch some topics and posts to show
topics_for_digest = Topic.for_digest(user, min_date, limit: SiteSetting.digest_topics + SiteSetting.digest_other_topics, top_order: true).to_a
@popular_topics = topics_for_digest[0,SiteSetting.digest_topics]
@other_new_for_you = topics_for_digest.size > SiteSetting.digest_topics ? topics_for_digest[SiteSetting.digest_topics..-1] : []
@popular_posts = if SiteSetting.digest_posts > 0
Post.order("posts.score DESC")
.for_mailing_list(user, min_date)
.where('posts.post_type = ?', Post.types[:regular])
.where('posts.deleted_at IS NULL AND posts.hidden = false AND posts.user_deleted = false')
.where("posts.post_number > ? AND posts.score > ?", 1, ScoreCalculator.default_score_weights[:like_score] * 5.0)
.limit(SiteSetting.digest_posts)
else
[]
end
topic_lookup = TopicUser.lookup_for(user, @other_new_for_you)
@other_new_for_you.each { |t| t.user_data = topic_lookup[t.id] }
if @popular_topics.present?
opts = {
from_alias: I18n.t('user_notifications.digest.from', site_name: SiteSetting.title),
subject: I18n.t('user_notifications.digest.subject_template', site_name: @site_name, date: short_date(Time.now)),
add_unsubscribe_link: true,
unsubscribe_url: "#{Discourse.base_url}/email/unsubscribe/#{@unsubscribe_key}",
}
build_email(user.email, opts)
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end
end
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def user_replied(user, opts)
opts[:allow_reply_by_email] = true
opts[:use_site_subject] = true
opts[:show_category_in_subject] = true
notification_email(user, opts)
end
def user_quoted(user, opts)
opts[:allow_reply_by_email] = true
opts[:use_site_subject] = true
opts[:show_category_in_subject] = true
notification_email(user, opts)
end
def user_linked(user, opts)
opts[:allow_reply_by_email] = true
opts[:use_site_subject] = true
opts[:show_category_in_subject] = true
notification_email(user, opts)
end
def user_mentioned(user, opts)
opts[:allow_reply_by_email] = true
opts[:use_site_subject] = true
opts[:show_category_in_subject] = true
notification_email(user, opts)
end
def group_mentioned(user, opts)
opts[:allow_reply_by_email] = true
opts[:use_site_subject] = true
opts[:show_category_in_subject] = true
notification_email(user, opts)
end
def user_posted(user, opts)
opts[:allow_reply_by_email] = true
opts[:use_site_subject] = true
opts[:add_re_to_subject] = true
opts[:show_category_in_subject] = true
notification_email(user, opts)
end
def user_private_message(user, opts)
opts[:allow_reply_by_email] = true
opts[:use_site_subject] = true
opts[:add_re_to_subject] = true
opts[:show_category_in_subject] = false
# We use the 'user_posted' event when you are emailed a post in a PM.
opts[:notification_type] = 'posted'
notification_email(user, opts)
end
def user_invited_to_private_message(user, opts)
opts[:allow_reply_by_email] = false
opts[:use_invite_template] = true
notification_email(user, opts)
end
def user_invited_to_topic(user, opts)
opts[:allow_reply_by_email] = false
opts[:use_invite_template] = true
opts[:show_category_in_subject] = true
notification_email(user, opts)
end
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def user_watching_first_post(user, opts)
user_posted(user, opts)
end
def mailing_list_notify(user, post)
opts = {
post: post,
allow_reply_by_email: true,
use_site_subject: true,
add_re_to_subject: true,
show_category_in_subject: true,
notification_type: "posted",
notification_data_hash: {
original_username: post.user.username,
topic_title: post.topic.title,
},
}
notification_email(user, opts)
end
protected
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def user_locale(user)
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(user.locale.present? && I18n.available_locales.include?(user.locale.to_sym)) ? user.locale : nil
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end
def email_post_markdown(post, add_posted_by=false)
result = "[email-indent]\n"
result << "#{post.raw}\n\n"
if add_posted_by
result << "#{I18n.t('user_notifications.posted_by', username: post.username, post_date: post.created_at.strftime("%m/%d/%Y"))}\n\n"
end
result << "[/email-indent]\n"
result
end
class UserNotificationRenderer < ActionView::Base
include UserNotificationsHelper
end
def self.get_context_posts(post, topic_user, user)
if user.user_option.email_previous_replies == UserOption.previous_replies_type[:never]
return []
end
allowed_post_types = [Post.types[:regular]]
allowed_post_types << Post.types[:whisper] if topic_user.try(:user).try(:staff?)
context_posts = Post.where(topic_id: post.topic_id)
.where("post_number < ?", post.post_number)
.where(user_deleted: false)
.where(hidden: false)
.where(post_type: allowed_post_types)
.order('created_at desc')
.limit(SiteSetting.email_posts_context)
if topic_user && topic_user.last_emailed_post_number && user.user_option.email_previous_replies == UserOption.previous_replies_type[:unless_emailed]
context_posts = context_posts.where("post_number > ?", topic_user.last_emailed_post_number)
end
context_posts
end
def notification_email(user, opts)
notification_type = opts[:notification_type]
notification_data = opts[:notification_data_hash]
post = opts[:post]
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unless String === notification_type
if Numeric === notification_type
notification_type = Notification.types[notification_type]
end
notification_type = notification_type.to_s
end
user_name = notification_data[:original_username]
if post && SiteSetting.enable_names && SiteSetting.display_name_on_email_from
name = User.where(id: post.user_id).pluck(:name).first
user_name = name unless name.blank?
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end
allow_reply_by_email = opts[:allow_reply_by_email] unless user.suspended?
original_username = notification_data[:original_username] || notification_data[:display_username]
send_notification_email(
title: notification_data[:topic_title],
post: post,
username: original_username,
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from_alias: user_name,
allow_reply_by_email: allow_reply_by_email,
use_site_subject: opts[:use_site_subject],
add_re_to_subject: opts[:add_re_to_subject],
show_category_in_subject: opts[:show_category_in_subject],
notification_type: notification_type,
use_invite_template: opts[:use_invite_template],
user: user
)
end
def send_notification_email(opts)
post = opts[:post]
title = opts[:title]
allow_reply_by_email = opts[:allow_reply_by_email]
use_site_subject = opts[:use_site_subject]
add_re_to_subject = opts[:add_re_to_subject] && post.post_number > 1
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username = opts[:username]
from_alias = opts[:from_alias]
notification_type = opts[:notification_type]
user = opts[:user]
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locale = user_locale(user)
# category name
category = Topic.find_by(id: post.topic_id).category
if opts[:show_category_in_subject] && post.topic_id && category && !category.uncategorized?
show_category_in_subject = category.name
# subcategory case
if !category.parent_category_id.nil?
show_category_in_subject = "#{Category.find_by(id: category.parent_category_id).name}/#{show_category_in_subject}"
end
else
show_category_in_subject = nil
end
context = ""
tu = TopicUser.get(post.topic_id, user)
context_posts = self.class.get_context_posts(post, tu, user)
# make .present? cheaper
context_posts = context_posts.to_a
if context_posts.present?
context << "-- \n*#{I18n.t('user_notifications.previous_discussion')}*\n"
context_posts.each do |cp|
context << email_post_markdown(cp, true)
end
end
reached_limit = SiteSetting.max_emails_per_day_per_user > 0
reached_limit &&= (EmailLog.where(user_id: user.id, skipped: false)
.where('created_at > ?', 1.day.ago)
.count) >= (SiteSetting.max_emails_per_day_per_user-1)
if opts[:use_invite_template]
if post.topic.private_message?
invite_template = "user_notifications.invited_to_private_message_body"
else
invite_template = "user_notifications.invited_to_topic_body"
end
topic_excerpt = post.excerpt.tr("\n", " ") if post.is_first_post? && post.excerpt
message = I18n.t(invite_template, username: username, topic_title: title, topic_excerpt: topic_excerpt, site_title: SiteSetting.title, site_description: SiteSetting.site_description)
html = UserNotificationRenderer.new(Rails.configuration.paths["app/views"]).render(
template: 'email/invite',
format: :html,
locals: { message: PrettyText.cook(message, sanitize: false).html_safe,
classes: RTL.new(user).css_class
}
)
else
in_reply_to_post = post.reply_to_post if user.user_option.email_in_reply_to
html = UserNotificationRenderer.new(Rails.configuration.paths["app/views"]).render(
template: 'email/notification',
format: :html,
locals: { context_posts: context_posts,
reached_limit: reached_limit,
post: post,
in_reply_to_post: in_reply_to_post,
classes: RTL.new(user).css_class
}
)
message = email_post_markdown(post) + (reached_limit ? "\n\n#{I18n.t "user_notifications.reached_limit", count: SiteSetting.max_emails_per_day_per_user}" : "");
end
template = "user_notifications.user_#{notification_type}"
if post.topic.private_message?
template << "_pm"
template << "_staged" if user.staged?
end
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email_opts = {
topic_title: title,
message: message,
url: post.url,
post_id: post.id,
topic_id: post.topic_id,
context: context,
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username: username,
add_unsubscribe_link: !user.staged,
mailing_list_mode: user.user_option.mailing_list_mode,
unsubscribe_url: post.unsubscribe_url(user),
allow_reply_by_email: allow_reply_by_email,
only_reply_by_email: allow_reply_by_email && user.staged,
use_site_subject: use_site_subject,
add_re_to_subject: add_re_to_subject,
show_category_in_subject: show_category_in_subject,
private_reply: post.topic.private_message?,
include_respond_instructions: !(user.suspended? || user.staged?),
template: template,
html_override: html,
site_description: SiteSetting.site_description,
site_title: SiteSetting.title,
style: :notification,
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locale: locale
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}
# If we have a display name, change the from address
email_opts[:from_alias] = from_alias if from_alias.present?
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TopicUser.change(user.id, post.topic_id, last_emailed_post_number: post.post_number)
build_email(user.email, email_opts)
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end
private
def build_summary_for(user)
@user = user
@date = short_date(Time.now)
@base_url = Discourse.base_url
@site_name = SiteSetting.email_prefix.presence || SiteSetting.title
@header_color = ColorScheme.hex_for_name('header_primary')
@header_bgcolor = ColorScheme.hex_for_name('header_background')
@anchor_color = ColorScheme.hex_for_name('tertiary')
@markdown_linker = MarkdownLinker.new(@base_url)
@unsubscribe_key = UnsubscribeKey.create_key_for(@user, "digest")
end
def apply_notification_styles(email)
email.html_part.body = Email::Styles.new(email.html_part.body.to_s).tap do |styles|
styles.format_basic
styles.format_notification
end.to_html
email
end
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end