[PATCH 1 of 2] Fixed: finding attributes record first case sensitive, insensitive then as fallback

[Wald Commits]

# HG changeset patch
# User mschaefer
# Date 1537284429 -7200
# Node ID c347512a07bd2ef9b50bfc3ed121edf4ae927432
# Parent  504f63512379359f3a76292ab64666926966c050
Fixed: finding attributes record first case sensitive, insensitive then as fallback

diff -r 504f63512379 -r c347512a07bd backend/src/main/java/org/dive4elements/river/importer/ImportAttribute.java
--- a/backend/src/main/java/org/dive4elements/river/importer/ImportAttribute.java	Tue Sep 18 12:21:17 2018 +0200
+++ b/backend/src/main/java/org/dive4elements/river/importer/ImportAttribute.java	Tue Sep 18 17:27:09 2018 +0200
@@ -59,6 +59,26 @@
         if (this.peer != null)
             return this.peer;
         final Session session = ImporterSession.getInstance().getDatabaseSession();
+        final Query query = session.createQuery("FROM Attribute WHERE value=:value");
+        query.setString("value", this.value.trim());
+        final List<Attribute> attributes = query.list();
+        if (attributes.isEmpty()) {
+            this.peer = getPeerCaseInsensitive();
+            if (this.peer == null) {
+                this.peer = new Attribute(this.value);
+                session.save(this.peer);
+            }
+        }
+        else {
+            this.peer = attributes.get(0);
+        }
+        return this.peer;
+    }
+
+    private Attribute getPeerCaseInsensitive() {
+        if (this.peer != null)
+            return this.peer;
+        final Session session = ImporterSession.getInstance().getDatabaseSession();
         final Query query = session.createQuery("FROM Attribute WHERE lower(value)=:value");
         query.setString("value", this.value.trim().toLowerCase());
         final List<Attribute> attributes = query.list();