From 0a06d05bdd2209e2d90c9f8c4f87af2ec884f7a4 Mon Sep 17 00:00:00 2001
From: Maximilian Krambach <maximilian.krambach@intevation.de>
Date: Tue, 5 Feb 2019 10:02:10 +0100
Subject: [PATCH] sort 'previous/next motion' by identifier in detail view

---
 .../motion-detail/motion-detail.component.ts       | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/client/src/app/site/motions/components/motion-detail/motion-detail.component.ts b/client/src/app/site/motions/components/motion-detail/motion-detail.component.ts
index 520e754f5..6989fa403 100644
--- a/client/src/app/site/motions/components/motion-detail/motion-detail.component.ts
+++ b/client/src/app/site/motions/components/motion-detail/motion-detail.component.ts
@@ -976,9 +976,21 @@ export class MotionDetailComponent extends BaseViewComponent implements OnInit {
     }
 
     /**
-     * Sets the previous and next motion
+     * Sets the previous and next motion. Sorts ascending by identifier, and
+     * then appending motion without identifiers sorted by title
      */
     public setSurroundingMotions(): void {
+        this.allMotions.sort((a, b) => {
+            if (a.identifier && b.identifier) {
+                return a.identifier.localeCompare(b.identifier, this.translate.currentLang);
+            } else if (a.identifier) {
+                return 1;
+            } else if (b.identifier) {
+                return -1;
+            } else {
+                return a.title.localeCompare(b.title, this.translate.currentLang);
+            }
+        });
         const indexOfCurrent = this.allMotions.findIndex(motion => {
             return motion === this.motion;
         });