Display shared editions properly

Closes issue #631 (closed). Shared editions are now displayed properly depending on the status of the sub-editions that form them.

src/main/java/nl/tudelft/queue/controller/HomeController.java

@@ -229,6 +229,9 @@ public class HomeController {
 			model.addAttribute("upcomingRoles", upcomingRoles);
 			model.addAttribute("sessions", calendarEntries);
 
+			getStatusSharedEditions(model, sharedEditions, activeRoles, upcomingRoles, archivedRoles,
+					finishedRoles);
+
 			model.addAttribute("page", "my-courses");
 
 			return "home/dashboard";
@@ -293,4 +296,56 @@ public class HomeController {
 		model.addAttribute("stars", fs.countRatings(assistantId));
 	}
 
+	/**
+	 * Fills in the model for displaying shared editions.
+	 *
+	 * @param model          The model to be filled in .
+	 * @param sharedEditions The entire shared editions.
+	 * @param active         The active editions.
+	 * @param upcoming       The upcoming editions.
+	 * @param archived       The archived editions.
+	 * @param finished       The finished editions.
+	 */
+	private void getStatusSharedEditions(Model model, Set<EditionCollectionDetailsDTO> sharedEditions,
+			List<RoleEditionDetailsDTO> active, List<RoleEditionDetailsDTO> upcoming,
+			List<RoleEditionDetailsDTO> archived, List<RoleEditionDetailsDTO> finished) {
+		var archivedSharedEditions = sharedEditions.stream()
+				.filter(s -> s.getEditions().stream().allMatch(EditionSummaryDTO::getIsArchived))
+				.collect(Collectors.toSet());
+
+		var activeSharedEditions = sharedEditions.stream()
+				.filter(s -> s.getEditions().stream().anyMatch(e -> active.stream()
+						.map(RoleEditionDetailsDTO::getEdition).anyMatch(ac -> ac.equals(e))))
+				.collect(Collectors.toSet());
+
+		var upcomingSharedEditions = sharedEditions.stream().filter(s -> {
+			var editions = s.getEditions();
+			var sharedEditionsList = archived.stream().map(RoleEditionDetailsDTO::getEdition)
+					.collect(Collectors.toList());
+			boolean anyUpcoming = upcoming.stream().map(RoleEditionDetailsDTO::getEdition)
+					.anyMatch(editions::contains);
+			boolean noUpcomingIsArchived = upcoming.stream().map(RoleEditionDetailsDTO::getEdition)
+					.noneMatch(sharedEditionsList::contains);
+			boolean noneActive = active.stream().map(RoleEditionDetailsDTO::getEdition)
+					.noneMatch(editions::contains);
+			return anyUpcoming && noUpcomingIsArchived && noneActive;
+		}).collect(Collectors.toSet());
+
+		var finishedSharedEditions = sharedEditions.stream().filter(s -> {
+			var editions = s.getEditions();
+			boolean anyFinished = finished.stream().map(RoleEditionDetailsDTO::getEdition)
+					.anyMatch(editions::contains);
+			boolean noneUpcoming = upcoming.stream().map(RoleEditionDetailsDTO::getEdition)
+					.noneMatch(editions::contains);
+			boolean noneActive = active.stream().map(RoleEditionDetailsDTO::getEdition)
+					.noneMatch(editions::contains);
+			return anyFinished && noneUpcoming && noneActive;
+		}).collect(Collectors.toSet());
+
+		model.addAttribute("archivedSharedEditions", archivedSharedEditions);
+		model.addAttribute("activeSharedEditions", activeSharedEditions);
+		model.addAttribute("upcomingSharedEditions", upcomingSharedEditions);
+		model.addAttribute("finishedSharedEditions", finishedSharedEditions);
+	}
+
 }