Fix missing 'pageviews' column from 'pages.csv' (#1988)

* Fix missing 'pageviews' column from 'pages.csv'

* Add CHANGELOG entry for Issue #1878 fix

CHANGELOG.md

@@ -33,6 +33,7 @@ All notable changes to this project will be documented in this file.
 - Guests can now use the favicon to toggle additional info about the site bing viewed (such as in public embeds).
 - Fix SecurityError in tracking script when user has blocked all local storage
 - Prevent dashboard graph from being selected when long pressing on the graph in a mobile browser
+- The exported `pages.csv` file now includes pageviews again [plausible/analytics#1878](https://github.com/plausible/analytics/issues/1878)
 
 ### Changed
 - Cache the tracking script for 24 hours

lib/plausible_web/controllers/api/stats_controller.ex

@@ -475,7 +475,7 @@ defmodule PlausibleWeb.Api.StatsController do
         |> transform_keys(%{visitors: :conversions})
         |> to_csv([:name, :conversions, :conversion_rate])
       else
-        pages |> to_csv([:name, :visitors, :bounce_rate, :time_on_page])
+        pages |> to_csv([:name, :visitors, :pageviews, :bounce_rate, :time_on_page])
       end
     else
       json(conn, pages)

test/plausible_web/controllers/CSVs/30d-filter-path/pages.csv

@@ -1,2 +1,2 @@
-name,visitors,bounce_rate,time_on_page
-/some-other-page,1,,60.0
+name,visitors,pageviews,bounce_rate,time_on_page
+/some-other-page,1,1,,60.0

test/plausible_web/controllers/CSVs/30d/pages.csv

@@ -1,3 +1,3 @@
-name,visitors,bounce_rate,time_on_page
-/,4,75,
-/some-other-page,1,,60.0
+name,visitors,pageviews,bounce_rate,time_on_page
+/,4,3,75,
+/some-other-page,1,1,,60.0

test/plausible_web/controllers/CSVs/6m/pages.csv

@@ -1,3 +1,3 @@
-name,visitors,bounce_rate,time_on_page
-/,5,80,
-/some-other-page,1,,60.0
+name,visitors,pageviews,bounce_rate,time_on_page
+/,5,4,80,
+/some-other-page,1,1,,60.0