2019-05-02 18:17:27 -04:00
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# frozen_string_literal: true
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2017-09-07 03:40:18 -04:00
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# name: discourse-presence
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# about: Show which users are writing a reply to a topic
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2020-04-29 00:48:55 -04:00
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# version: 2.0
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# authors: André Pereira, David Taylor, tgxworld
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2021-07-19 11:35:47 -04:00
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# url: https://github.com/discourse/discourse/tree/main/plugins/discourse-presence
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2017-09-07 03:40:18 -04:00
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enabled_site_setting :presence_enabled
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2018-05-15 18:43:09 -04:00
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hide_plugin if self.respond_to?(:hide_plugin)
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2017-09-07 03:40:18 -04:00
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register_asset 'stylesheets/presence.scss'
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2018-01-29 04:48:42 -05:00
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PLUGIN_NAME ||= -"discourse-presence"
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2017-09-07 03:40:18 -04:00
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after_initialize do
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2020-04-29 00:48:55 -04:00
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MessageBus.register_client_message_filter('/presence/') do |message|
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published_at = message.data["published_at"]
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2017-09-07 03:40:18 -04:00
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2020-04-29 00:48:55 -04:00
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if published_at
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(Time.zone.now.to_i - published_at) <= ::Presence::MAX_BACKLOG_AGE_SECONDS
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else
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false
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2017-09-07 03:40:18 -04:00
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end
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2020-04-29 00:48:55 -04:00
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end
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2017-09-07 03:40:18 -04:00
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2020-04-29 00:48:55 -04:00
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module ::Presence
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MAX_BACKLOG_AGE_SECONDS = 10
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2017-09-07 03:40:18 -04:00
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class Engine < ::Rails::Engine
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engine_name PLUGIN_NAME
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isolate_namespace Presence
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end
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end
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require_dependency "application_controller"
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class Presence::PresencesController < ::ApplicationController
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requires_plugin PLUGIN_NAME
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before_action :ensure_logged_in
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before_action :ensure_presence_enabled
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2017-09-07 03:40:18 -04:00
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2020-04-29 00:48:55 -04:00
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EDITING_STATE = 'editing'
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REPLYING_STATE = 'replying'
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CLOSED_STATE = 'closed'
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def handle_message
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[:state, :topic_id].each do |key|
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raise ActionController::ParameterMissing.new(key) unless params.key?(key)
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end
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2017-09-07 03:40:18 -04:00
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2020-04-29 00:48:55 -04:00
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topic_id = permitted_params[:topic_id]
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topic = Topic.find_by(id: topic_id)
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raise Discourse::InvalidParameters.new(:topic_id) unless topic
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guardian.ensure_can_see!(topic)
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2017-09-08 16:06:27 -04:00
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post = nil
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if (permitted_params[:post_id])
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if (permitted_params[:state] != EDITING_STATE)
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raise Discourse::InvalidParameters.new(:state)
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2017-10-02 00:00:43 -04:00
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end
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post = Post.find_by(id: permitted_params[:post_id])
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raise Discourse::InvalidParameters.new(:topic_id) unless post
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guardian.ensure_can_edit!(post)
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end
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2017-09-08 16:06:27 -04:00
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2020-04-29 00:48:55 -04:00
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opts = {
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max_backlog_age: Presence::MAX_BACKLOG_AGE_SECONDS
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}
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2020-05-13 02:07:54 -04:00
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if permitted_params[:staff_only]
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opts[:group_ids] = [Group::AUTO_GROUPS[:staff]]
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else
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case permitted_params[:state]
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when EDITING_STATE
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opts[:group_ids] = [Group::AUTO_GROUPS[:staff]]
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2020-05-13 02:07:54 -04:00
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if !post.locked? && !permitted_params[:is_whisper]
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opts[:user_ids] = [post.user_id]
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if topic.private_message?
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if post.wiki
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opts[:user_ids] = opts[:user_ids].concat(
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topic.allowed_users.where(
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"trust_level >= ? AND NOT admin OR moderator",
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SiteSetting.min_trust_to_edit_wiki_post
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).pluck(:id)
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)
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opts[:user_ids].uniq!
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# Ignore trust level and just publish to all allowed groups since
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# trying to figure out which users in the allowed groups have
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# the necessary trust levels can lead to a large array of user ids
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# if the groups are big.
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opts[:group_ids] = opts[:group_ids].concat(
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topic.allowed_groups.pluck(:id)
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)
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end
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else
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if post.wiki
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opts[:group_ids] << Group::AUTO_GROUPS[:"trust_level_#{SiteSetting.min_trust_to_edit_wiki_post}"]
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elsif SiteSetting.trusted_users_can_edit_others?
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opts[:group_ids] << Group::AUTO_GROUPS[:trust_level_4]
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end
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end
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2020-05-13 02:07:54 -04:00
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end
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when REPLYING_STATE
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if permitted_params[:is_whisper]
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opts[:group_ids] = [Group::AUTO_GROUPS[:staff]]
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elsif topic.private_message?
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opts[:user_ids] = topic.allowed_users.pluck(:id)
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opts[:group_ids] = [Group::AUTO_GROUPS[:staff]].concat(
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topic.allowed_groups.pluck(:id)
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)
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else
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opts[:group_ids] = topic.secure_group_ids
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end
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when CLOSED_STATE
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if topic.private_message?
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opts[:user_ids] = topic.allowed_users.pluck(:id)
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opts[:group_ids] = [Group::AUTO_GROUPS[:staff]].concat(
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topic.allowed_groups.pluck(:id)
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)
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else
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opts[:group_ids] = topic.secure_group_ids
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2017-10-02 00:00:43 -04:00
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end
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2020-04-29 00:48:55 -04:00
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end
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end
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payload = {
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user: BasicUserSerializer.new(current_user, root: false).as_json,
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state: permitted_params[:state],
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is_whisper: permitted_params[:is_whisper].present?,
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published_at: Time.zone.now.to_i
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}
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if (post_id = permitted_params[:post_id]).present?
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payload[:post_id] = post_id
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2017-09-07 03:40:18 -04:00
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end
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2020-04-29 00:48:55 -04:00
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MessageBus.publish("/presence/#{topic_id}", payload, opts)
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render json: success_json
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end
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private
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def ensure_presence_enabled
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if !SiteSetting.presence_enabled ||
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2020-10-09 17:18:44 -04:00
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(SiteSetting.allow_users_to_hide_profile &&
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current_user.user_option.hide_profile_and_presence?)
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2020-04-29 00:48:55 -04:00
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raise Discourse::NotFound
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end
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2017-12-06 15:58:59 -05:00
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end
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2020-04-29 00:48:55 -04:00
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def permitted_params
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params.permit(:state, :topic_id, :post_id, :is_whisper, :staff_only)
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end
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end
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Presence::Engine.routes.draw do
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2020-04-29 00:48:55 -04:00
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post '/publish' => 'presences#handle_message'
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2017-09-07 03:40:18 -04:00
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end
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Discourse::Application.routes.append do
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mount ::Presence::Engine, at: '/presence'
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end
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end
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