Add trending links (#16917)

* Add trending links

* Add overriding specific links trendability

* Add link type to preview cards and only trend articles

Change trends review notifications from being sent every 5 minutes to being sent every 2 hours

Change threshold from 5 unique accounts to 15 unique accounts

* Fix tests

7 files changed, 62 insertions, 33 deletions

diff --git a/app/controllers/api/v1/admin/dimensions_controller.rb b/app/controllers/api/v1/admin/dimensions_controller.rb
index 170596d27..5e8f0f89f 100644
--- a/app/controllers/api/v1/admin/dimensions_controller.rb
+++ b/app/controllers/api/v1/admin/dimensions_controller.rb
@@ -17,7 +17,8 @@ class Api::V1::Admin::DimensionsController < Api::BaseController
       params[:keys],
       params[:start_at],
       params[:end_at],
-      params[:limit]
+      params[:limit],
+      params
     )
   end
 end
diff --git a/app/controllers/api/v1/admin/measures_controller.rb b/app/controllers/api/v1/admin/measures_controller.rb
index a3ac6fe85..f28191753 100644
--- a/app/controllers/api/v1/admin/measures_controller.rb
+++ b/app/controllers/api/v1/admin/measures_controller.rb
@@ -16,7 +16,8 @@ class Api::V1::Admin::MeasuresController < Api::BaseController
     @measures = Admin::Metrics::Measure.retrieve(
       params[:keys],
       params[:start_at],
-      params[:end_at]
+      params[:end_at],
+      params
     )
   end
 end
diff --git a/app/controllers/api/v1/admin/trends/tags_controller.rb b/app/controllers/api/v1/admin/trends/tags_controller.rb
new file mode 100644
index 000000000..3653d1dd1
--- /dev/null
+++ b/app/controllers/api/v1/admin/trends/tags_controller.rb
@@ -0,0 +1,16 @@
+# frozen_string_literal: true
+
+class Api::V1::Admin::Trends::TagsController < Api::BaseController
+  before_action :require_staff!
+  before_action :set_tags
+
+  def index
+    render json: @tags, each_serializer: REST::Admin::TagSerializer
+  end
+
+  private
+
+  def set_tags
+    @tags = Trends.tags.get(false, limit_param(10))
+  end
+end
diff --git a/app/controllers/api/v1/admin/trends_controller.rb b/app/controllers/api/v1/admin/trends_controller.rb
deleted file mode 100644
index e32ab5d2c..000000000
--- a/app/controllers/api/v1/admin/trends_controller.rb
+++ /dev/null
@@ -1,16 +0,0 @@
-# frozen_string_literal: true
-
-class Api::V1::Admin::TrendsController < Api::BaseController
-  before_action :require_staff!
-  before_action :set_trends
-
-  def index
-    render json: @trends, each_serializer: REST::Admin::TagSerializer
-  end
-
-  private
-
-  def set_trends
-    @trends = TrendingTags.get(10, filtered: false)
-  end
-end
diff --git a/app/controllers/api/v1/trends/links_controller.rb b/app/controllers/api/v1/trends/links_controller.rb
new file mode 100644
index 000000000..1c3ab1e1c
--- /dev/null
+++ b/app/controllers/api/v1/trends/links_controller.rb
@@ -0,0 +1,21 @@
+# frozen_string_literal: true
+
+class Api::V1::Trends::LinksController < Api::BaseController
+  before_action :set_links
+
+  def index
+    render json: @links, each_serializer: REST::Trends::LinkSerializer
+  end
+
+  private
+
+  def set_links
+    @links = begin
+      if Setting.trends
+        Trends.links.get(true, limit_param(10))
+      else
+        []
+      end
+    end
+  end
+end
diff --git a/app/controllers/api/v1/trends/tags_controller.rb b/app/controllers/api/v1/trends/tags_controller.rb
new file mode 100644
index 000000000..947b53de2
--- /dev/null
+++ b/app/controllers/api/v1/trends/tags_controller.rb
@@ -0,0 +1,21 @@
+# frozen_string_literal: true
+
+class Api::V1::Trends::TagsController < Api::BaseController
+  before_action :set_tags
+
+  def index
+    render json: @tags, each_serializer: REST::TagSerializer
+  end
+
+  private
+
+  def set_tags
+    @tags = begin
+      if Setting.trends
+        Trends.tags.get(true, limit_param(10))
+      else
+        []
+      end
+    end
+  end
+end
diff --git a/app/controllers/api/v1/trends_controller.rb b/app/controllers/api/v1/trends_controller.rb
deleted file mode 100644
index c875e9041..000000000
--- a/app/controllers/api/v1/trends_controller.rb
+++ /dev/null
@@ -1,15 +0,0 @@
-# frozen_string_literal: true
-
-class Api::V1::TrendsController < Api::BaseController
-  before_action :set_tags
-
-  def index
-    render json: @tags, each_serializer: REST::TagSerializer
-  end
-
-  private
-
-  def set_tags
-    @tags = TrendingTags.get(limit_param(10))
-  end
-end