Enable harmonised date time rendering (#946)

Because it is just annoying to present users with a ISO8601 unformatted timestamp.

user-interface/src/main/java/life/qbic/datamanager/views/general/DateTimeRendering.java

@@ -0,0 +1,31 @@
+package life.qbic.datamanager.views.general;
+
+import java.time.Instant;
+import java.time.ZoneId;
+import java.time.format.DateTimeFormatter;
+
+/**
+ * <b>Date Time Rendering</b>
+ *
+ * <p>A collection of utility methods to render instants in a harmonised way throughout the
+ * application.</p>
+ *
+ * @since 1.7.0
+ */
+public class DateTimeRendering {
+
+  private static final String DATE_TIME_PATTERN = "dd.MM.yyyy HH:mm";
+
+  /**
+   * Formats an {@link Instant} in "dd.MM.yyyy HH:mm".
+   *
+   * @param instant the instant to format
+   * @return the formatted instant
+   * @since 1.7.0
+   */
+  public static String simple(Instant instant) {
+    var formatter = DateTimeFormatter.ofPattern(DATE_TIME_PATTERN).withZone(ZoneId.systemDefault());
+    return formatter.format(instant);
+  }
+
+}

user-interface/src/main/java/life/qbic/datamanager/views/projects/overview/components/ProjectCollectionComponent.java

@@ -24,6 +24,7 @@
 import life.qbic.application.commons.SortOrder;
 import life.qbic.datamanager.views.account.UserAvatar.UserAvatarGroupItem;
 import life.qbic.datamanager.views.general.Card;
+import life.qbic.datamanager.views.general.DateTimeRendering;
 import life.qbic.datamanager.views.general.PageArea;
 import life.qbic.datamanager.views.general.Tag;
 import life.qbic.datamanager.views.general.Tag.TagColor;
@@ -200,7 +201,7 @@ public ProjectOverviewItem(ProjectOverview projectOverview) {
       Span header = createHeader(projectOverview.projectCode(), projectOverview.projectTitle());
       add(header);
       Span lastModified = new Span(
-          String.format("Last modified on %s", projectOverview.lastModified()));
+          String.format("Last modified on %s", DateTimeRendering.simple(projectOverview.lastModified())));
       lastModified.addClassName("tertiary");
       add(lastModified);
       projectDetails.addClassName("details");

user-interface/src/main/java/life/qbic/datamanager/views/projects/project/info/ProjectSummaryComponent.java

@@ -37,6 +37,7 @@
 import life.qbic.datamanager.views.Context;
 import life.qbic.datamanager.views.TagFactory;
 import life.qbic.datamanager.views.account.UserAvatar.UserAvatarGroupItem;
+import life.qbic.datamanager.views.general.DateTimeRendering;
 import life.qbic.datamanager.views.general.CollapsibleDetails;
 import life.qbic.datamanager.views.general.DetailBox;
 import life.qbic.datamanager.views.general.Heading;
@@ -200,11 +201,6 @@ private static List<? extends UserScopeStrategy> loadWriteScope(Section[] sectio
     return Arrays.stream(sections).map(WriteScopeStrategy::new).toList();
   }
 
-  private String formatDate(Instant date) {
-    var formatter = DateTimeFormatter.ofPattern(DATE_TIME_PATTERN).withZone(ZoneId.systemDefault());
-    return formatter.format(date);
-  }
-
   public void setContext(Context context) {
     this.context = Objects.requireNonNull(context);
     var projectId = context.projectId()
@@ -556,7 +552,7 @@ private void buildHeaderSection(ProjectOverview projectOverview) {
     sectionContent.add(createTags(projectOverview));
 
     header.setSectionNote(new SectionNote(
-        "Last modified on %s".formatted(formatDate(projectOverview.lastModified()))));
+        "Last modified on %s".formatted(DateTimeRendering.simple(projectOverview.lastModified()))));
     headerSection.setHeader(header);
     headerSection.setContent(sectionContent);
   }