daily puzzle slack app landing page

app/controllers/Main.scala

@@ -71,6 +71,13 @@ final class Main(
     }
   }
 
+  def dailyPuzzleSlackApp = Open { implicit ctx =>
+    pageHit
+    fuccess {
+      html.site.dailyPuzzleSlackApp()
+    }
+  }
+
   def jslog(id: String) = Open { ctx =>
     env.round.selfReport(
       userId = ctx.userId,

app/views/site/dailyPuzzleSlackApp.scala

@@ -0,0 +1,73 @@
+package views.html.site
+
+import lila.api.Context
+import lila.app.templating.Environment._
+import lila.app.ui.ScalatagsTemplate._
+import controllers.routes
+
+object dailyPuzzleSlackApp {
+
+  def apply()(implicit ctx: Context) =
+    views.html.base.layout(
+      title = "Daily Chess Puzzle by Lichess (Slack App)",
+      moreCss = cssTag("page")
+    ) {
+      main(cls := "page page-small box box-pad")(
+        div(cls := "body")(
+          h1("Daily Chess Puzzle by Lichess (Slack App)"),
+          p(
+            "Spice up your Slack workspace with a daily chess puzzle from ",
+            a(href := "/")("lichess.org"),
+            "."
+          ),
+          a(
+            href := "https://slack.com/oauth/v2/authorize?client_id=17688987239.964622027363&scope=commands,incoming-webhook"
+          )(
+            img(
+              alt := "Add to Slack",
+              height := 40,
+              width := 139,
+              src := staticUrl("images/add-to-slack.png")
+            )
+          ),
+          h2("Summary"),
+          p(
+            "By default, the app will post the ",
+            a(href := routes.Puzzle.daily)("daily chess puzzle"),
+            " from Lichess to the channel in which it was installed every day (at the same time of day it was installed). Use the ",
+            code("/puzzletime"),
+            " command to change this setting, e.g. ",
+            code("/puzzletime 14:45"),
+            ". To post the daily puzzle on demand, use the ",
+            code("/puzzle"),
+            " command."
+          ),
+          h2("Commands"),
+          ul(
+            li(code("/puzzlehelp"), " - Displays helpful instructions"),
+            li(
+              code("/puzzletime HH:MM"),
+              " - Sets the time of day the daily puzzle should be posted (per channel)"
+            ),
+            li(code("/puzzle"), " - Posts the daily puzzle")
+          ),
+          h2("Privacy Policy"),
+          p(
+            "The app only collects and stores information necessary to deliver the service, which is limited to OAuth authentication information, Slack workspace/channel identifiers and app configuration settings. No personal information is processed expect for the username of users invoking slash commands. No personal information is stored."
+          ),
+          h2("Support and feedback"),
+          p(
+            // Contact email, because Slack requires a support channel without
+            // mandatory registration.
+            "Give us feedback or ask questions ",
+            a(href := routes.ForumCateg.show("lichess-feedback"))(
+              "in the forum"
+            ),
+            ". Alternatively, use ",
+            contactEmailLink,
+            " to get in touch with us."
+          )
+        )
+      )
+    }
+}

conf/routes

@@ -612,6 +612,7 @@ GET   /get-fishnet                     controllers.Main.getFishnet
 GET   /costs                           controllers.Main.costs
 GET   /verify-title                    controllers.Main.verifyTitle
 GET   /InstantChess.com                controllers.Main.instantChess
+GET   /daily-puzzle-slack              controllers.Main.dailyPuzzleSlackApp
 
 # Dev
 GET   /dev/cli                         controllers.Dev.cli