From 7162ecfb04cca5f8778b7cf9cdbbe524c3132b43 Mon Sep 17 00:00:00 2001
From: mintsaxon <svc.mintsaxon@mailnull.com>
Date: Sun, 27 Jun 2021 21:46:11 +0200
Subject: [PATCH] FEATURE: Per-category default slow mode duration for topics.

When configured, all topics in the category inherits the slow mode
duration from the category's default.

Note that currently there is no way to remove the slow mode from the
topics once it has been set.
---
 .../app/components/edit-category-settings.js      |  6 ++++++
 .../javascripts/discourse/app/models/category.js  |  6 ++++++
 .../components/edit-category-settings.hbs         | 15 +++++++++++++++
 .../stylesheets/common/base/edit-category.scss    |  3 ++-
 app/controllers/categories_controller.rb          |  1 +
 app/models/category.rb                            |  1 +
 app/models/topic.rb                               |  7 +++++++
 app/serializers/category_serializer.rb            |  3 ++-
 config/locales/client.en.yml                      |  1 +
 ..._add_default_auto_close_seconds_to_category.rb |  7 +++++++
 .../schemas/json/category_create_response.json    |  7 +++++++
 .../schemas/json/category_update_response.json    |  7 +++++++
 12 files changed, 62 insertions(+), 2 deletions(-)
 create mode 100644 db/migrate/20210702204007_add_default_auto_close_seconds_to_category.rb

diff --git a/app/assets/javascripts/discourse/app/components/edit-category-settings.js b/app/assets/javascripts/discourse/app/components/edit-category-settings.js
index bfcfa19cd5e..93947368f3e 100644
--- a/app/assets/javascripts/discourse/app/components/edit-category-settings.js
+++ b/app/assets/javascripts/discourse/app/components/edit-category-settings.js
@@ -138,4 +138,10 @@ export default buildCategoryPanel("settings", {
     let hours = minutes ? minutes / 60 : null;
     this.set("category.auto_close_hours", hours);
   },
+
+  @action
+  onDefaultSlowModeDurationChange(minutes) {
+    let seconds = minutes ? minutes * 60 : null;
+    this.set("category.default_slow_mode_seconds", seconds);
+  },
 });
diff --git a/app/assets/javascripts/discourse/app/models/category.js b/app/assets/javascripts/discourse/app/models/category.js
index af65076dba4..940bb5ba39e 100644
--- a/app/assets/javascripts/discourse/app/models/category.js
+++ b/app/assets/javascripts/discourse/app/models/category.js
@@ -177,6 +177,11 @@ const Category = RestModel.extend({
     return topicCount;
   },
 
+  @discourseComputed("default_slow_mode_seconds")
+  defaultSlowModeMinutes(seconds) {
+    return seconds ? seconds / 60 : null;
+  },
+
   save() {
     const id = this.id;
     const url = id ? `/categories/${id}` : "/categories";
@@ -193,6 +198,7 @@ const Category = RestModel.extend({
         auto_close_based_on_last_post: this.get(
           "auto_close_based_on_last_post"
         ),
+        default_slow_mode_seconds: this.default_slow_mode_seconds,
         position: this.position,
         email_in: this.email_in,
         email_in_allow_strangers: this.email_in_allow_strangers,
diff --git a/app/assets/javascripts/discourse/app/templates/components/edit-category-settings.hbs b/app/assets/javascripts/discourse/app/templates/components/edit-category-settings.hbs
index 78c3414a364..8dc72c57022 100644
--- a/app/assets/javascripts/discourse/app/templates/components/edit-category-settings.hbs
+++ b/app/assets/javascripts/discourse/app/templates/components/edit-category-settings.hbs
@@ -116,6 +116,21 @@
     </label>
   </section>
 
+  <section class="field default-slow-mode">
+    <div class="control-group">
+      <label for="category-default-slow-mode">
+        {{i18n "category.default_slow_mode"}}
+      </label>
+      <div class="category-default-slow-mode-seconds">
+        {{relative-time-picker
+            id="category-default-slow-mode"
+            durationMinutes=category.defaultSlowModeMinutes
+            hiddenIntervals=hiddenRelativeIntervals
+            onChange=(action "onDefaultSlowModeDurationChange")}}
+      </div>
+    </div>
+  </section>
+
   <section class="field auto-close">
     <div class="control-group">
       <label for="topic-auto-close">
diff --git a/app/assets/stylesheets/common/base/edit-category.scss b/app/assets/stylesheets/common/base/edit-category.scss
index f454f49b80e..0fcbd518230 100644
--- a/app/assets/stylesheets/common/base/edit-category.scss
+++ b/app/assets/stylesheets/common/base/edit-category.scss
@@ -158,7 +158,8 @@ div.edit-category {
     padding: 0 1.5em 2em 0;
   }
 
-  .category-topic-auto-close-hours {
+  .category-topic-auto-close-hours,
+  .category-default-slow-mode-seconds {
     width: 200px;
   }
 }
diff --git a/app/controllers/categories_controller.rb b/app/controllers/categories_controller.rb
index b60b1a2956b..c22d6be7e31 100644
--- a/app/controllers/categories_controller.rb
+++ b/app/controllers/categories_controller.rb
@@ -302,6 +302,7 @@ class CategoriesController < ApplicationController
         :mailinglist_mirror,
         :all_topics_wiki,
         :allow_unlimited_owner_edits_on_first_post,
+        :default_slow_mode_seconds,
         :parent_category_id,
         :auto_close_hours,
         :auto_close_based_on_last_post,
diff --git a/app/models/category.rb b/app/models/category.rb
index 73e8f6ee8f9..d36d490ace9 100644
--- a/app/models/category.rb
+++ b/app/models/category.rb
@@ -1027,6 +1027,7 @@ end
 #  read_only_banner                          :string
 #  default_list_filter                       :string(20)       default("all")
 #  allow_unlimited_owner_edits_on_first_post :boolean          default(FALSE), not null
+#  default_slow_mode_seconds                 :integer
 #
 # Indexes
 #
diff --git a/app/models/topic.rb b/app/models/topic.rb
index 5150a289523..a618b569232 100644
--- a/app/models/topic.rb
+++ b/app/models/topic.rb
@@ -334,6 +334,7 @@ class Topic < ActiveRecord::Base
 
     if category_id_changed? || new_record?
       inherit_auto_close_from_category
+      inherit_slow_mode_from_category
     end
   end
 
@@ -1251,6 +1252,12 @@ class Topic < ActiveRecord::Base
     end
   end
 
+  def inherit_slow_mode_from_category
+    if self.category&.default_slow_mode_seconds
+      self.slow_mode_seconds = self.category&.default_slow_mode_seconds
+    end
+  end
+
   def inherit_auto_close_from_category(timer_type: :close)
     auto_close_hours = self.category&.auto_close_hours
 
diff --git a/app/serializers/category_serializer.rb b/app/serializers/category_serializer.rb
index fe42e1172a7..0efe3f5b5b6 100644
--- a/app/serializers/category_serializer.rb
+++ b/app/serializers/category_serializer.rb
@@ -20,7 +20,8 @@ class CategorySerializer < SiteCategorySerializer
              :custom_fields,
              :topic_featured_link_allowed,
              :search_priority,
-             :reviewable_by_group_name
+             :reviewable_by_group_name,
+             :default_slow_mode_seconds
 
   def reviewable_by_group_name
     object.reviewable_by_group.name
diff --git a/config/locales/client.en.yml b/config/locales/client.en.yml
index 0a5974c9fee..02265ea3ce5 100644
--- a/config/locales/client.en.yml
+++ b/config/locales/client.en.yml
@@ -3217,6 +3217,7 @@ en:
       position_disabled: "Categories will be displayed in order of activity. To control the order of categories in lists, "
       position_disabled_click: 'enable the "fixed category positions" setting.'
       minimum_required_tags: "Minimum number of tags required in a topic:"
+      default_slow_mode: 'Enable "Slow Mode" for new topics in this category.'
       parent: "Parent Category"
       num_auto_bump_daily: "Number of open topics to automatically bump daily:"
       navigate_to_first_post_after_read: "Navigate to first post after topics are read"
diff --git a/db/migrate/20210702204007_add_default_auto_close_seconds_to_category.rb b/db/migrate/20210702204007_add_default_auto_close_seconds_to_category.rb
new file mode 100644
index 00000000000..dca44c36b2f
--- /dev/null
+++ b/db/migrate/20210702204007_add_default_auto_close_seconds_to_category.rb
@@ -0,0 +1,7 @@
+# frozen_string_literal: true
+
+class AddDefaultAutoCloseSecondsToCategory < ActiveRecord::Migration[6.1]
+  def change
+    add_column :categories, :default_slow_mode_seconds, :integer
+  end
+end
diff --git a/spec/requests/api/schemas/json/category_create_response.json b/spec/requests/api/schemas/json/category_create_response.json
index 87aca679ffa..53823807ddf 100644
--- a/spec/requests/api/schemas/json/category_create_response.json
+++ b/spec/requests/api/schemas/json/category_create_response.json
@@ -170,6 +170,12 @@
         "allow_unlimited_owner_edits_on_first_post": {
           "type": "boolean"
         },
+        "default_slow_mode_seconds": {
+          "type": [
+            "string",
+            "null"
+          ]
+        },
         "group_permissions": {
           "type": "array",
           "items": [
@@ -274,6 +280,7 @@
         "auto_close_hours",
         "auto_close_based_on_last_post",
         "allow_unlimited_owner_edits_on_first_post",
+        "default_slow_mode_seconds",
         "group_permissions",
         "email_in",
         "email_in_allow_strangers",
diff --git a/spec/requests/api/schemas/json/category_update_response.json b/spec/requests/api/schemas/json/category_update_response.json
index 94a8d50708f..f15c082677f 100644
--- a/spec/requests/api/schemas/json/category_update_response.json
+++ b/spec/requests/api/schemas/json/category_update_response.json
@@ -173,6 +173,12 @@
         "allow_unlimited_owner_edits_on_first_post": {
           "type": "boolean"
         },
+        "default_slow_mode_seconds": {
+          "type": [
+            "string",
+            "null"
+          ]
+        },
         "group_permissions": {
           "type": "array",
           "items": [
@@ -277,6 +283,7 @@
         "auto_close_hours",
         "auto_close_based_on_last_post",
         "allow_unlimited_owner_edits_on_first_post",
+        "default_slow_mode_seconds",
         "group_permissions",
         "email_in",
         "email_in_allow_strangers",