By Karen Lundgren
Version 0.7.6

Rails 4 & 5 Engine providing private and public messaging for any object, such as Users or Groups

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29173 (177 for this version)

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MessageTrain

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MessageTrain is a Rails 4 and 5 Private Messaging Gem that uses bootstrap to send and display private messages from one user to another. It can also be configured to send messages to a user collective (such as a certain Role or Group of users).

Messages can be saved as drafts instead of sending. Message composition features type-ahead completion for recipients, wysiwyg html bodies, and an arbitrary number of attachments. Messages are grouped together into conversations, and allow valid senders to reply to a given message. Any given conversation can be ignored if it is no longer of interest to the user, at which point no further messages will be received in that conversation. The 'read' or 'unread' status of messages is tracked automatically, and can also be changed manually by the user.

Conversations are grouped into various boxes, depending on their status for that user: in, sent, all, drafts, trash, ignored. Any message can be trashed by the user, at which point the user has the option to permanently delete it.

Email messages are sent when a user receives a message, either directly or through a collective (unless they have unsubscribed from those notifications or all notifications).

Inbox Page

Inbox Screenshot

Installation

First, install the gem:

gem 'ckeditor'
gem 'message_train'

Then, run the install generator:

rails g message_train:install

And then run rake db:migrate.

Next, add to your models, each of which will need some kind of display name column and some kind of slug (could be the same). See below for the options for this mixin:

# in /app/models/user.rb
message_train

# OR to set the name and slug columns:

message_train slug_column: :short_name, name_column: :display_name

To include Message Train variables and helpers in your controllers, add this concern to your controller or application controller:

include MessageTrain::MessageTrainSupport

Add to your application.css.scss:

@import 'message_train';

And in your application.js:

//= require message_train

In your layout, supposing you use haml:

#alert_area
  = alert_flash_messages

If you use bootstrap, you can use the built-in bootstrap sidebar menu (makes use of bootstrap_leather, which is a dependency of this gem)

- if user_signed_in?
  = message_train_widget
= render_widgets 'md', 3

Required helper methods

If you don't use devise with its current_user method, you will need to configure MessageTrain to use whatever method you use:

MessageTrain.configure do |config|
  config.current_user_method = :current_subscriber
end

Mixin options

The message_train mixin takes the following options:

only
A symbol or array of symbols to be the only relationships used, which can include: [:sender, :recipient]
except
A symbol or array of symbols not to create relationships for, which can include: [:sender, :recipient]
valid_senders
A method name to call for a list of valid senders for this model
collectives_for_recipient
A method that, when passed @box_user, will return a collection of valid instances of this model for that @box_user to receive. Probably a scope. (e.g. it might return groups that the user is a member of)
valid_recipients
A method that returns a collection of valid recipients for this model. default: nil
name_column
The column by which to name and find this model. default: :name
slug_column
The column with the short, typeable form of the name. default: :slug

Smaller address book

By default, the address book will contain all objects of the current_user_method object's model type. To change this behavior, define an address book method on your recipient models, something like this:

def self.valid_recipients_for(user)
    # Supposing you use rolify
    with_role(:friend, user)
end

And in your model:

message_train address_book_method: :valid_recipients_for

Or in your initializer:

config.address_book_methods[:users] = :valid_recipients_for

View Helpers

Boxes

boxes_dropdown_list
Bootstrap navigation dropdown list of boxes. (Be sure to check thatuser is signed in before calling, or you'll get errors.)
boxes_widget
Bootstrap widget with list of boxes
box_nav_item(box)
Bootstrap list item for one box
box_list_item(box)
Bootstrap list item for one box
box_participant_name(participant)
Name of the participant, according to the method specified in yourconfiguration or model.
box_participant_slug(participant)
Slug of the participant, according to the method specified in your configuration or model.

Conversations

conversation_senders(conversation)
List of senders for a given conversation
conversation_class(box, conversation)
CSS class to put on a given conversation when in a certain box
conversation_trashed_toggle(conversation)
Link to toggle trashed status of a conversation
conversation_read_toggle(conversation)
Link to toggle read status of a conversation
conversation_ignored_toggle(conversation)
Link to toggle ignored status of a conversation
conversation_deleted_toggle(conversation)
Link to toggle deleted status of a conversation
conversation_toggle(conversation, icon, mark_to_set, method, title, options = {})
Link to toggle some status of a conversation

Messages

message_class(box, message)
CSS class to put on a given message when in a certain box
message_trashed_toggle(message)
Link to toggle trashed status of a message
message_read_toggle(message)
Link to toggle read status of a message
message_deleted_toggle(message)
Link to toggle ignored status of a message
message_toggle(message, icon, mark_to_set, title, options = {})
Link to toggle some status of a message
message_recipients(message)
Recipients for a given message

Configuration

config.slug_columns
Usually populated by options on the `message_train` mixin for models, this contains a `Hash` of tables and their slug columns
config.name_columns
Usually populated by options on the `message_train` mixin for models, this contains a `Hash` of tables and their name columns
config.user_model
Defaults to `'User'`
config.current_user_method
Defaults to `Devise`'s `current_user`
config.user_sign_in_path
Defaults to `Devise`'s `/users/sign_in`
config.user_route_authentication_method
Defaults to `Devise`'s `:user`
config.address_book_method
Default value if `address_book_methods` doesn't have a match for thistable
config.address_book_methods
`Hash` of tables and the methods those tables use to provide atab-completion address book for that table.
config.recipient_tables
Usually populated by options on the `message_train` mixin for models,this contains a `Hash` of tables and their class names
config.collectives_for_recipient_methods
Usually populated by options on the `message_train` mixin for models,this contains a list of collectives that act as recipients through which users receive messages.
config.valid_senders_methods
Usually populated by options on the `message_train` mixin for models,this contains a `Hash` of tables and the methods that indicate which users can send messages to a given instance from that table.
config.valid_recipients_methods
Usually populated by options on the `message_train` mixin for models,this contains a `Hash` of tables and the methods that indicate which users can receive messages from a given instance from that table.
config.from_email
The email address from which notification emails are sent.
config.site_name
The name of the site, for use in notification emails.

Upgrading

0.7.1

Renamed subscription to message_train_subscription and subscriptions to message_train_subscription.

0.4.0

Version 0.4.0 introduced database changes to the foreign key columns to work with Rails 4.2.5. Let me know if you need help migrating your app to the newly named foreign keys.

0.3.0

A new config variable was added for the user model, which will be used to generate a new user if the user is anonymous.

0.2.0

New columns were added with version 0.2.0, so when upgrading be sure to install the latest migrations:

rake message_train:install:migrations

Running this command is harmless if the migrations are already installed, they will simply be skipped.

Contributing to MessageTrain

  • Check out the latest master to make sure the feature hasn't been implemented or the bug hasn't been fixed yet.
  • Check out the issue tracker to make sure someone already hasn't requested it and/or contributed it.
  • Fork the project.
  • Start a feature/bugfix branch.
  • Commit and push until you are happy with your contribution.
  • Make sure to add tests for it. This is important so I don't break it in a future version unintentionally.
  • Please try not to mess with the Rakefile, version, or history. If you want to have your own version, or is otherwise necessary, that is fine, but please isolate to its own commit so I can cherry-pick around it.

Contributors

Copyright

Copyright (c) 2015-2017 Gem Vein. See LICENSE.txt for further details.

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