Implement Power Play reward month calculations

Plugins/Mineplex.Core/src/mineplex/core/bonuses/commands/PowerPlayCommand.java

@@ -5,11 +5,13 @@ import mineplex.core.command.CommandBase;
 import mineplex.core.common.Rank;
 import mineplex.core.common.util.F;
 import mineplex.core.common.util.UtilPlayer;
+import mineplex.core.powerplayclub.PowerPlayData;
 import org.bukkit.Bukkit;
 import org.bukkit.ChatColor;
 import org.bukkit.entity.Player;
 
 import java.time.LocalDate;
+import java.time.YearMonth;
 
 public class PowerPlayCommand extends CommandBase<BonusManager>
 {
@@ -37,7 +39,8 @@ public class PowerPlayCommand extends CommandBase<BonusManager>
 			return;
 		}
 
-		_bonusManager.getPowerPlayClubRepository().Get(player).setSubscribed(true);
+		PowerPlayData cached = _bonusManager.getPowerPlayClubRepository().getCachedData(player);
+		cached.getUnclaimedMonths().add(YearMonth.now());
 		_bonusManager.getPowerPlayClubRepository().addSubscription(_bonusManager.getClientManager().Get(player).getAccountId(), LocalDate.now(), "month");
 
 		caller.sendMessage(ChatColor.GREEN + "Gave a month's subscription to " + player.getName());

Plugins/Mineplex.Core/src/mineplex/core/bonuses/gui/buttons/PowerPlayClubButton.java

@@ -102,7 +102,7 @@ public class PowerPlayClubButton implements GuiItem
 
 			lore = buildLore(unclaimed);
 			lore.add("");
-			lore.add(C.Reset + "Click to claim!");
+			lore.add(C.cGold + "Click to claim!");
 
 		} else if (cached.isSubscribed())
 		{

Plugins/Mineplex.Core/src/mineplex/core/powerplayclub/PowerPlayClubRewards.java

@@ -1,7 +1,6 @@
 package mineplex.core.powerplayclub;
 
 import java.time.Month;
-import java.time.Year;
 import java.time.YearMonth;
 import java.util.*;
 import java.util.concurrent.CompletableFuture;
@@ -30,7 +29,7 @@ public class PowerPlayClubRewards
 			.put(YearMonth.of(2016, Month.OCTOBER), new PowerPlayClubItem("Witch Morph", SkinData.WITCH.getSkull()))
 			.build();
 
-	private static class PowerPlayClubItem
+	public static class PowerPlayClubItem
 	{
 		private final String _prize;
 		private final ItemStack _display;

Plugins/Mineplex.Core/src/mineplex/core/powerplayclub/PowerPlayData.java

@@ -1,18 +1,80 @@
 package mineplex.core.powerplayclub;
 
+import com.google.common.base.Objects;
+
 import java.time.LocalDate;
 import java.time.YearMonth;
-import java.util.List;
+import java.util.*;
+import java.util.stream.Collectors;
 
 public class PowerPlayData
 {
 	private final boolean _subscribed;
 	private final List<YearMonth> _unclaimedMonths;
 
-	static PowerPlayData fromSubsAndClaims(List<Subscription> subscriptions, List<YearMonth> claimMonths)
+	static PowerPlayData fromSubsAndClaims(List<Subscription> subscriptions, List<YearMonth> claimedMonths)
 	{
-		// TODO
-		return null;
+		if (subscriptions.isEmpty())
+		{
+			return new PowerPlayData(false, Collections.emptyList());
+		}
+
+		// Build the list of potential claim dates from subscriptions
+		List<LocalDate> claimDates = subscriptions.stream()
+				.flatMap(sub -> buildMonths(sub).stream())
+				.sorted()
+				.collect(Collectors.toCollection(LinkedList::new));
+
+		// Determine if player is subscribed
+		LocalDate latestSub = claimDates.get(claimDates.size() - 1);
+		final boolean subscribed = latestSub.plusMonths(1).isAfter(LocalDate.now());
+
+		// Remove already-claimed months
+		Optional<YearMonth> latestClaimed = claimedMonths.stream().collect(Collectors.maxBy(YearMonth::compareTo));
+		latestClaimed.ifPresent(latest ->
+		{
+			while (!claimDates.isEmpty())
+			{
+				LocalDate claimDate = claimDates.get(0);
+				YearMonth claimMonth = YearMonth.from(claimDate);
+				if (latest.equals(claimMonth) || latest.isAfter(claimMonth))
+				{
+					claimDates.remove(0);
+
+				} else
+				{
+					break;
+				}
+			}
+		});
+
+		List<YearMonth> unclaimedMonths = claimDates.stream()
+				.filter(date -> date.isBefore(LocalDate.now()) || date.equals(LocalDate.now())) // Filter dates yet to come
+				.map(YearMonth::from)
+				.distinct()
+				.collect(Collectors.toList());
+
+		return new PowerPlayData(subscribed, unclaimedMonths);
+	}
+
+	private static List<LocalDate> buildMonths(Subscription subscription)
+	{
+		switch (subscription._duration)
+		{
+			case MONTH:
+				return Collections.singletonList(subscription._startDate);
+
+			case YEAR:
+				List<LocalDate> months = new ArrayList<>();
+				for (int i = 0; i < 12; i++)
+				{
+					months.add(subscription._startDate.plusMonths(i));
+				}
+				return months;
+
+			default:
+				throw new IllegalStateException("Invalid duration");
+		}
 	}
 
 	static class Subscription {
@@ -45,4 +107,10 @@ public class PowerPlayData
 	{
 		return _subscribed;
 	}
+
+	@Override
+	public String toString()
+	{
+		return Objects.toStringHelper(this).add("subscribed", _subscribed).add("unclaimed", _unclaimedMonths).toString();
+	}
 }