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# NotificationService class
#
# Used for notifing users with emails about different events
#
# Ex.
# NotificationService.new.new_issue(issue, current_user)
#
class NotificationService
# Always notify user about ssh key added
# only if ssh key is not deploy key
#
# This is security email so it will be sent
# even if user disabled notifications
def new_key(key)
if key.user
mailer.new_ssh_key_email(key.id)
end
end
# When create an issue we should send next emails:
#
# * issue assignee if his notification level is not Disabled
# * project team members with notification level higher then Participating
#
def new_issue(issue, current_user)
new_resource_email(issue, issue.project, 'new_issue_email')
end
# When we close an issue we should send next emails:
#
# * issue author if his notification level is not Disabled
# * issue assignee if his notification level is not Disabled
# * project team members with notification level higher then Participating
#
def close_issue(issue, current_user)
close_resource_email(issue, issue.project, current_user, 'closed_issue_email')
end
# When we reassign an issue we should send next emails:
#
# * issue old assignee if his notification level is not Disabled
# * issue new assignee if his notification level is not Disabled
#
def reassigned_issue(issue, current_user)
reassign_resource_email(issue, issue.project, current_user, 'reassigned_issue_email')
end
# When create a merge request we should send next emails:
#
# * mr assignee if his notification level is not Disabled
#
def new_merge_request(merge_request, current_user)
new_resource_email(merge_request, merge_request.target_project, 'new_merge_request_email')
end
# When we reassign a merge_request we should send next emails:
#
# * merge_request old assignee if his notification level is not Disabled
# * merge_request assignee if his notification level is not Disabled
#
def reassigned_merge_request(merge_request, current_user)
reassign_resource_email(merge_request, merge_request.target_project, current_user, 'reassigned_merge_request_email')
end
# When we close a merge request we should send next emails:
#
# * merge_request author if his notification level is not Disabled
# * merge_request assignee if his notification level is not Disabled
# * project team members with notification level higher then Participating
#
def close_mr(merge_request, current_user)
close_resource_email(merge_request, merge_request.target_project, current_user, 'closed_merge_request_email')
end
# When we merge a merge request we should send next emails:
#
# * merge_request author if his notification level is not Disabled
# * merge_request assignee if his notification level is not Disabled
# * project team members with notification level higher then Participating
#
def merge_mr(merge_request)
recipients = reject_muted_users([merge_request.author, merge_request.assignee], merge_request.source_project)
recipients = recipients.concat(reject_muted_users([merge_request.author, merge_request.assignee], merge_request.target_project))
recipients = recipients.concat(project_watchers(merge_request.source_project))
recipients = recipients.concat(project_watchers(merge_request.target_project)).uniq
recipients.each do |recipient|
mailer.merged_merge_request_email(recipient.id, merge_request.id)
end
end
# Notify new user with email after creation
def new_user(user)
# Dont email omniauth created users
mailer.new_user_email(user.id, user.password) unless user.extern_uid?
end
# Notify users on new note in system
#
# TODO: split on methods and refactor
#
def new_note(note)
# ignore wall messages
return true unless note.noteable_type.present?
opts = {noteable_type: note.noteable_type, project_id: note.project_id}
if note.commit_id.present?
opts.merge!(commit_id: note.commit_id)
recipients = [note.commit_author]
else
opts.merge!(noteable_id: note.noteable_id)
target = note.noteable
if target.respond_to?(:participants)
recipients = target.participants
else
recipients = []
end
end
# Get users who left comment in thread
recipients = recipients.concat(User.where(id: Note.where(opts).pluck(:author_id)))
# Merge project watchers
recipients = recipients.concat(project_watchers(note.project)).compact.uniq
# Reject mutes users
recipients = reject_muted_users(recipients, note.project)
# Reject author
recipients.delete(note.author)
# build notify method like 'note_commit_email'
notify_method = "note_#{note.noteable_type.underscore}_email".to_sym
recipients.each do |recipient|
mailer.send(notify_method, recipient.id, note.id)
end
end
def new_team_member(users_project)
mailer.project_access_granted_email(users_project.id)
end
def update_team_member(users_project)
mailer.project_access_granted_email(users_project.id)
end
protected
# Get project users with WATCH notification level
def project_watchers(project)
project_watchers = []
member_methods = { project => :users_projects }
member_methods.merge!(project.group => :users_groups) if project.group
member_methods.each do |object, member_method|
# Get project notification settings since it has higher priority
user_ids = object.send(member_method).where(notification_level: Notification::N_WATCH).pluck(:user_id)
project_watchers += User.where(id: user_ids)
# next collect users who use global settings with watch state
user_ids = object.send(member_method).where(notification_level: Notification::N_GLOBAL).pluck(:user_id)
project_watchers += User.where(id: user_ids, notification_level: Notification::N_WATCH)
end
project_watchers.uniq
end
# Remove users with disabled notifications from array
# Also remove duplications and nil recipients
def reject_muted_users(users, project = nil)
users = users.compact.uniq
users.reject do |user|
next user.notification.disabled? unless project
tm = project.users_projects.find_by_user_id(user.id)
if !tm && project.group
tm = project.group.users_groups.find_by_user_id(user.id)
end
# reject users who globally disabled notification and has no membership
next user.notification.disabled? unless tm
# reject users who disabled notification in project
next true if tm.notification.disabled?
# reject users who have N_GLOBAL in project and disabled in global settings
tm.notification.global? && user.notification.disabled?
end
end
def new_resource_email(target, project, method)
if target.respond_to?(:participants)
recipients = target.participants
else
recipients = []
end
recipients = reject_muted_users(recipients, project)
recipients = recipients.concat(project_watchers(project)).uniq
recipients.delete(target.author)
recipients.each do |recipient|
mailer.send(method, recipient.id, target.id)
end
end
def close_resource_email(target, project, current_user, method)
recipients = reject_muted_users([target.author, target.assignee], project)
recipients = recipients.concat(project_watchers(project)).uniq
recipients.delete(current_user)
recipients.each do |recipient|
mailer.send(method, recipient.id, target.id, current_user.id)
end
end
def reassign_resource_email(target, project, current_user, method)
recipients = User.where(id: [target.assignee_id, target.assignee_id_was])
# Add watchers to email list
recipients = recipients.concat(project_watchers(project))
# reject users with disabled notifications
recipients = reject_muted_users(recipients, project)
# Reject me from recipients if I reassign an item
recipients.delete(current_user)
recipients.each do |recipient|
mailer.send(method, recipient.id, target.id, target.assignee_id_was)
end
end
def mailer
Notify.delay
end
end
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