show streamers with same channel

app/controllers/Streamer.scala

@@ -67,17 +67,18 @@ final class Streamer(
       }
     }
 
-  private def modData(user: lila.user.User)(implicit ctx: Context) =
+  private def modData(streamer: StreamerModel)(implicit ctx: Context) =
     isGranted(_.ModLog) ?? {
-      env.mod.logApi.userHistory(user.id) zip
-        env.user.noteApi.forMod(user.id) map some
+      env.mod.logApi.userHistory(streamer.userId) zip
+        env.user.noteApi.forMod(streamer.userId) zip
+        env.streamer.api.sameChannels(streamer) map some
     }
 
   def edit =
     Auth { implicit ctx => _ =>
       AsStreamer { s =>
         env.streamer.liveStreamApi of s flatMap { sws =>
-          modData(s.user) map { forMod =>
+          modData(s.streamer) map { forMod =>
             NoCache(Ok(html.streamer.edit(sws, StreamerForm userForm sws.streamer, forMod)))
           }
         }
@@ -94,7 +95,7 @@ final class Streamer(
             .bindFromRequest()
             .fold(
               error =>
-                modData(s.user) map { forMod =>
+                modData(s.streamer) map { forMod =>
                   BadRequest(html.streamer.edit(sws, error, forMod))
                 },
               data =>

app/views/streamer/edit.scala

@@ -15,7 +15,7 @@ object edit extends Context.ToLang {
   def apply(
       s: lila.streamer.Streamer.WithUserAndStream,
       form: Form[_],
-      modData: Option[(List[lila.mod.Modlog], List[lila.user.Note])]
+      modData: Option[((List[lila.mod.Modlog], List[lila.user.Note]), List[lila.streamer.Streamer])]
   )(implicit ctx: Context) = {
 
     views.html.base.layout(
@@ -87,7 +87,7 @@ object edit extends Context.ToLang {
                   )
                 )
               ),
-              modData.map { case (log, notes) =>
+              modData.map { case ((log, notes), same) =>
                 div(cls := "mod_log status")(
                   strong(cls := "text", dataIcon := "!")(
                     "Moderation history",
@@ -118,6 +118,26 @@ object edit extends Context.ToLang {
                         p(cls := "text")(richText(note.text))
                       )
                     }
+                  ),
+                  br,
+                  strong(cls := "text", dataIcon := "!")(
+                    "Streamers with same Twitch or YouTube",
+                    same.isEmpty option ": nothing to show."
+                  ),
+                  same.nonEmpty option table(cls := "slist")(
+                    same.map { s =>
+                      tr(
+                        td(userIdLink(s.userId.some)),
+                        td(s.name),
+                        td(s.twitch.map(t => a(href := s"https://twitch.tv/${t.userId}")(t.userId))),
+                        td(
+                          s.youTube.map(t =>
+                            a(href := s"https://youtube.com/channel/${t.channelId}")(t.channelId)
+                          )
+                        ),
+                        td(momentFromNow(s.createdAt))
+                      )
+                    }
                   )
                 )
               },

modules/streamer/src/main/StreamerApi.scala

@@ -1,7 +1,7 @@
 package lila.streamer
 
 import org.joda.time.DateTime
-
+import reactivemongo.api.ReadPreference
 import scala.concurrent.duration._
 
 import lila.db.dsl._
@@ -155,6 +155,25 @@ final class StreamerApi(
       )
   }
 
+  def sameChannels(streamer: Streamer): Fu[List[Streamer]] =
+    coll
+      .find(
+        $doc(
+          "$or" -> List(
+            streamer.twitch.map(_.userId).map { t =>
+              $doc("twitch.userId" -> t)
+            },
+            streamer.youTube.map(_.channelId).map { t =>
+              $doc("youTube.channelId" -> t)
+            }
+          ).flatten,
+          "_id" $ne streamer.userId
+        )
+      )
+      .sort($sort desc "createdAt")
+      .cursor[Streamer](readPreference = ReadPreference.secondaryPreferred)
+      .list(10)
+
   private object cache {
 
     private def selectListedApproved =

ui/site/css/build/_streamer.form.scss

@@ -1,3 +1,4 @@
 @import "../../../common/css/plugin";
 @import "../../../common/css/form/form3";
+@import "../../../common/css/component/slist";
 @import "../streamer/form";