discourse-boosts/plugin.rb at main · linux-do/discourse-boosts · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
# frozen_string_literal: true

# name: discourse-boosts
# about: Allows users to add freeform micro-reactions (boosts) to posts.
# version: 0.1
# authors: discourse
# url: https://github.com/discourse/discourse-boosts

enabled_site_setting :discourse_boosts_enabled

register_asset "stylesheets/common/discourse-boosts.scss"

register_svg_icon "rocket"
register_svg_icon "trash-can"
register_svg_icon "flag"

module ::DiscourseBoosts
  PLUGIN_NAME = "discourse-boosts"
end

require_relative "lib/discourse_boosts/engine"

after_initialize do
  reloadable_patch do |plugin|
    Post.prepend DiscourseBoosts::PostExtension
    UserOption.prepend DiscourseBoosts::UserOptionExtension
    Reviewable.prepend DiscourseBoosts::ReviewableExtension
    TopicView.prepend DiscourseBoosts::TopicViewExtension
  end

  Discourse::Application.routes.append do
    mount DiscourseBoosts::Engine, at: "/"
  end

  add_to_class(:guardian, :can_boost_post?) do |post|
    authenticated? && post && can_see_post?(post) && !user.silenced? &&
      !post.topic&.archived? && !post.trashed? && post.user_id.present? &&
      !is_my_own?(post)
  end

  TopicView.on_preload do |topic_view|
    if SiteSetting.discourse_boosts_enabled
      topic_view.instance_variable_set(
        :@posts,
        topic_view.posts.includes(boosts: :user)
      )

      topic_view.boosts_available_flags =
        Flag
          .enabled
          .where("'DiscourseBoosts::Boost' = ANY(applies_to)")
          .pluck(:name_key)
    end
  end

  add_to_serializer(
    :post,
    :boosts,
    include_condition: -> do
      SiteSetting.discourse_boosts_enabled &&
        object.association(:boosts).loaded?
    end
  ) do
    boosts = object.boosts

    if scope.user
      ignored_user_ids = scope.user.ignored_user_ids
      if ignored_user_ids.present?
        boosts =
          boosts.reject do |b|
            ignored_user_ids.include?(b.user_id) && !b.user&.staff?
          end
      end
    end

    reviewables_by_target =
      if scope.user && @topic_view
        @topic_view.boosts_reviewables_by_target ||=
          begin
            all_boost_ids =
              @topic_view.posts.flat_map do |p|
                p.association(:boosts).loaded? ? p.boosts.map(&:id) : []
              end
            if all_boost_ids.present?
              Reviewable
                .includes(:reviewable_scores)
                .where(
                  target_type: "DiscourseBoosts::Boost",
                  target_id: all_boost_ids
                )
                .index_by(&:target_id)
            else
              {}
            end
          end
      else
        {}
      end

    available_flags =
      @topic_view&.boosts_available_flags ||
        Flag
          .enabled
          .where("'DiscourseBoosts::Boost' = ANY(applies_to)")
          .pluck(:name_key)

    boosts.map do |boost|
      DiscourseBoosts::BoostSerializer.new(
        boost,
        scope: scope,
        root: false,
        reviewables_by_target: reviewables_by_target,
        available_flags: available_flags
      ).as_json
    end
  end

  add_to_serializer(
    :post,
    :can_boost,
    include_condition: -> do
      SiteSetting.discourse_boosts_enabled &&
        object.association(:boosts).loaded?
    end
  ) do
    scope.can_boost_post?(object) &&
      object.boosts.none? { |b| b.user_id == scope.user.id } &&
      object.boosts.size < SiteSetting.discourse_boosts_max_per_post
  end

  UserUpdater::OPTION_ATTR.push(:boost_notifications_level)

  add_to_serializer(:user_option, :boost_notifications_level) do
    object.boost_notifications_level
  end

  register_reviewable_type DiscourseBoosts::ReviewableBoost
  DiscoursePluginRegistry.register_flag_applies_to_type(
    "DiscourseBoosts::Boost",
    self
  )
  register_seedfu_fixtures(
    Rails.root.join("plugins/discourse-boosts/db/fixtures")
  )

  register_notification_consolidation_plan(
    DiscourseBoosts::NotificationConsolidation.boosted_by_multiple_users_plan
  )
end