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oTree chat.

Project description

Chat rooms for oTree so that participants can communicate with each other. Live demo here (open the start links and click through to the “Your Choice” page).

This is a beta version and subject to changes/improvements!

Installation

(Requires otree-core >= 1.2)

pip3 install -U otree-core
pip3 install -U otreechat

In settings.py, add 'otreechat' to INSTALLED_APPS, e.g. INSTALLED_APPS = ['otree', 'otreechat']

Then run otree resetdb.

For installation on your server, your requirements_base.txt should contain otreechat as well as otree-core>=1.2.0 (or higher, etc).

Usage

Basic usage

Add {% load otreechat %} to the top of your template, e.g.:

{% load staticfiles otree_tags %}
{% load otreechat %}

Then wherever you want a chatbox in the template, use:

{% chat %}

This will make a chat room among players in the same Group, where each player’s nickname is displayed as “Player 1”, “Player 2”, etc. (based on the player’s id_in_group).

Customizing the nickname and chat room members

You can pass optional parameters channel and/or nickname like this:

{% chat nickname="abc" channel="123" %}

Nickname

nickname is the nickname that will be displayed for that user in the chat. A typical usage would be {% chat nickname=player.role %}.

Channel

channel is the chat room’s ID, meaning that if 2 players have the same channel, they can chat with each other. channel is not displayed in the user interface; it’s just used internally. Its default value is group.id, meaning all players in the group can chat together. You can use channel to instead scope the chat to the current page or sub-division of a group, etc. (see examples below). Regardless of the value of the channel argument, the chat will at least be scoped to players in the same session and the same app.

Example: chat by role

Here’s an example where instead of communication within a group, we have communication between groups based on role, e.g. all buyers can talk with each other, and all sellers can talk with each other.

class Player(BasePlayer):

    def role(self):
        if self.id_in_group == 1:
            return 'Seller'
        else:
            return 'Buyer'

    def chat_nickname(self):
        return 'Group {} {}'.format(self.group.id_in_subsession, self.role())

Then in the template:

{% chat nickname=player.chat_nickname channel=player.role %}
Example: chat across rounds

If you need players to chat with players who are currently in a different round of the game, you can do:

{% chat channel=group.id_in_subsession %}
Example: chat between all groups in all rounds

If you want everyone in the session to freely chat with each other, just do:

{% chat channel=1 %}

(The number 1 is not significant; all that matters is that it’s the same for everyone.)

Styling

Note

The CSS classes for the elements changed in August 2017. They were renamed to a more consistent BEM style.

To customize the style, just include some CSS after the {% chat %} element, e.g.:

{% chat %}

<style>
    .otree-chat__messages {
        height: 400px;
    }
    .otree-chat__nickname {
        color: #0000FF;
        font-weight: bold;
    }
</style>

You can also customize the appearance by putting it inside a <div> and styling that parent <div>. For example, to set the width:

<div style="width: 400px">
    {% chat %}
</div>

Multiple chats on a page

You can have multiple {% chat %} boxes on each page, so that a player can be in multiple channels simultaneously.

For example, this code enables 1:1 chat with every other player in the group.

class Player(BasePlayer):

    def chat_nickname(self):
        return 'Player {}'.format(self.id_in_group)

    def chat_configs(self):
        configs = []
        for other in self.get_others_in_group():
            if other.id_in_group < self.id_in_group:
                lower_id, higher_id = other.id_in_group, self.id_in_group
            else:
                lower_id, higher_id = self.id_in_group, other.id_in_group
            configs.append({
                # make a name for the channel that is the same for all
                # channel members. That's why we order it (lower, higher)
                'channel': '{}-{}-{}'.format(self.group.id, lower_id, higher_id),
                'label': 'Chat with {}'.format(other.chat_nickname())
            })
        return configs
{% for config in player.chat_configs %}
    <h4>{{ config.label }}</h4>
    {% chat nickname=player.chat_nickname channel=config.channel %}
{% endfor %}

Exporting CSV of chat logs

The chat logs download link will appear on oTree’s regular data export page.

Upgrading

pip install -U otreechat

Feedback

Please send any feedback/opinions to chris@otree.org, for example to suggest an improvement to the widget’s appearance.

Project details


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