fix small issues

src/main/java/com/faendir/acra/rest/RestReportInterface.java

@@ -103,7 +103,7 @@ public class RestReportInterface {
             name += "_" + mail;
         }
         if (id != null && !id.isEmpty()) {
-            where = where.and(report.installationId.eq(id));
+            where = report.installationId.eq(id).and(where);
             name += "_" + id;
         }
         if (name.isEmpty()) {

src/main/resources/db/changelog/db.changelog-master.yaml

@@ -620,6 +620,9 @@ databaseChangeLog:
     id: 2018-08-24-fix-permission-key
     author: lukas
     changes:
+    - addNotNullConstraint:
+        columnName: app_id
+        tableName: user_permissions
     - addPrimaryKey:
         columnNames: user_username, app_id
         tableName: user_permissions

src/test/java/com/faendir/acra/rest/RestReportInterfaceTest.java

@@ -69,10 +69,10 @@ public class RestReportInterfaceTest {
     @Autowired MockMvc mvc;
 
     @Before
-    public void setUp() throws Exception {
+    public void setUp() {
         App app = mock(App.class);
         when(dataService.findApp(TEST_STRING)).thenReturn(Optional.of(app));
-        when(dataService.getFromReports(any(), any(), any())).thenReturn(Arrays.asList("{\"name\":\"a\"}", "{\"name\":\"b\"}"));
+        when(dataService.getFromReports(any(), any(), any(), any())).thenReturn(Arrays.asList("{\"name\":\"a\"}", "{\"name\":\"b\"}"));
     }
 
     @Test