added /re seller command to change who is selling an admin claim

src/me/EtienneDx/RealEstate/RECommand.java

@@ -87,6 +87,55 @@ public class RECommand extends BaseCommand
 		}
 	}
 	
+	@Subcommand("seller")
+	@Description("Displays or changes the seller of a claim (admin only)")
+	@Conditions("inPendingTransactionClaim")
+	public static void setSeller(Player player, @Optional String newSeller)
+	{
+		Location loc = player.getLocation();
+		Claim claim = GriefPrevention.instance.dataStore.getClaimAt(loc, false, null);
+		Transaction tr = RealEstate.transactionsStore.getTransaction(claim);
+		if(!claim.isAdminClaim())
+		{
+			player.sendMessage(RealEstate.instance.config.chatPrefix + ChatColor.RED + "This is not an admin claim");
+		}
+		else if(newSeller == null)
+		{
+			player.sendMessage(RealEstate.instance.config.chatPrefix + ChatColor.AQUA + "The seller of this claim is " + 
+					ChatColor.GREEN + (tr.getOwner() == null ? "the server" : Bukkit.getPlayer(tr.getOwner()).getDisplayName()));
+		}
+		else if(!RealEstate.perms.has(player, "realestate.admin"))
+		{
+			player.sendMessage(RealEstate.instance.config.chatPrefix + ChatColor.RED + "You don't have the permission to change the seller");
+		}
+		else if(newSeller.equalsIgnoreCase("server"))
+		{
+			tr.setOwner(null);
+			tr.update();
+			player.sendMessage(RealEstate.instance.config.chatPrefix + ChatColor.AQUA + "Changed the seller to the server");
+		}
+		else
+		{
+			Player newOwner = Bukkit.getPlayer(newSeller);
+			if(newOwner == null)
+			{
+				player.sendMessage(RealEstate.instance.config.chatPrefix + ChatColor.RED + "Couldn't find this player (he may be offline)");
+			}
+			else if(!RealEstate.perms.has(newOwner, "realestate.admin"))
+			{
+				player.sendMessage(RealEstate.instance.config.chatPrefix + ChatColor.RED + 
+						"This player doesn't have the right to lease/rent/sell admin claims");
+			}
+			else
+			{
+				tr.setOwner(newOwner.getUniqueId());
+				tr.update();
+				player.sendMessage(RealEstate.instance.config.chatPrefix + ChatColor.AQUA + "Changed the seller to " + 
+						ChatColor.GREEN + newOwner.getDisplayName());
+			}
+		}
+	}
+	
 	@Subcommand("exitoffer")
 	@Conditions("partOfBoughtTransaction")
 	public class ExitOfferCommand extends BaseCommand

src/me/EtienneDx/RealEstate/REListener.java

@@ -181,7 +181,7 @@ public class REListener implements Listener
 				if(duration == 0)
 				{
 					player.sendMessage(RealEstate.instance.config.chatPrefix + ChatColor.RED + "Couldn't read the date!\n" + 
-							"Date must be formatted as follow" + ChatColor.GREEN + "10 weeks" + ChatColor.RED + " or " + 
+							"Date must be formatted as follow : " + ChatColor.GREEN + "10 weeks" + ChatColor.RED + " or " + 
 							ChatColor.GREEN + "3 days" + ChatColor.RED + " or " +  ChatColor.GREEN + "1 week 3 days");
 					event.setCancelled(true);
 					event.getBlock().breakNaturally();
@@ -370,7 +370,7 @@ public class REListener implements Listener
 				if(!RealEstate.transactionsStore.anyTransaction(claim))
 				{
 					player.sendMessage(RealEstate.instance.config.chatPrefix + ChatColor.RED + 
-							"This claim is no longer for rent or for sell, sorry...");
+							"This claim is no longer for rent, sell or lease, sorry...");
 					event.getClickedBlock().breakNaturally();
 					event.setCancelled(true);
 					return;
@@ -396,11 +396,18 @@ public class REListener implements Listener
 				Transaction tr = RealEstate.transactionsStore.getTransaction(claim);
 				if(tr != null && event.getBlock().equals(tr.getHolder()))
 				{
-					if(event.getPlayer() != null && !tr.getOwner().equals(event.getPlayer().getUniqueId()) && 
+					if(event.getPlayer() != null && tr.getOwner() != null  && !event.getPlayer().getUniqueId().equals(tr.getOwner()) && 
 							!RealEstate.perms.has(event.getPlayer(), "realestate.destroysigns"))
 					{
 						event.getPlayer().sendMessage(RealEstate.instance.config.chatPrefix + 
-								ChatColor.RED + "Only the author of the sell/rent sign is allowed to destroy it");
+								ChatColor.RED + "Only the author of the sell/rent/lease sign is allowed to destroy it");
+						event.setCancelled(true);
+						return;
+					}
+					else if(event.getPlayer() != null && tr.getOwner() == null && !RealEstate.perms.has(event.getPlayer(), "realestate.admin"))
+					{
+						event.getPlayer().sendMessage(RealEstate.instance.config.chatPrefix + 
+								ChatColor.RED + "Only an admin is allowed to destroy this sign");
 						event.setCancelled(true);
 						return;
 					}

src/me/EtienneDx/RealEstate/RealEstate.java

@@ -108,6 +108,26 @@ public class RealEstate extends JavaPlugin
         	}
         	throw new ConditionFailedException("You must stand inside of a claim to use this command!");
         });
+        manager.getCommandConditions().addCondition("inPendingTransactionClaim", (context) -> {
+        	if(!context.getIssuer().isPlayer())
+        	{
+        		throw new ConditionFailedException("Only Players can perform this command!");
+        	}
+        	Claim c = GriefPrevention.instance.dataStore.getClaimAt(context.getIssuer().getPlayer().getLocation(), false, null);
+        	if(c == null)
+        	{
+        		throw new ConditionFailedException("You must stand inside of a claim to use this command!");
+        	}
+        	Transaction tr = transactionsStore.getTransaction(c);
+        	if(tr == null)
+        	{
+        		throw new ConditionFailedException("This claim is neither to rent or to lease!");
+        	}
+        	else if(tr instanceof BoughtTransaction && ((BoughtTransaction)tr).getBuyer() != null)
+        	{
+        		throw new ConditionFailedException("This claim already has a buyer!");
+        	}
+        });
         manager.getCommandConditions().addCondition("inBoughtClaim", (context) -> {
         	if(!context.getIssuer().isPlayer())
         	{

src/me/EtienneDx/RealEstate/Transactions/BoughtTransaction.java

@@ -60,4 +60,9 @@ public abstract class BoughtTransaction extends ClaimTransaction
 	{
 		return buyer;
 	}
+	
+	public void setOwner(UUID newOwner)
+	{
+		this.owner = newOwner;
+	}
 }

src/me/EtienneDx/RealEstate/Transactions/ClaimSell.java

@@ -10,6 +10,8 @@ import me.ryanhamshire.GriefPrevention.Claim;
 import me.ryanhamshire.GriefPrevention.GriefPrevention;
 import net.md_5.bungee.api.ChatColor;
 
+import java.util.UUID;
+
 import org.bukkit.Bukkit;
 import org.bukkit.Location;
 import org.bukkit.OfflinePlayer;
@@ -66,12 +68,12 @@ public class ClaimSell extends ClaimTransaction
 		}
 		String claimType = claim.parent == null ? "claim" : "subclaim";
 		
-		if (owner.equals(player.getUniqueId()))
+		if (player.getUniqueId().equals(owner))
         {
             player.sendMessage(RealEstate.instance.config.chatPrefix + ChatColor.RED + "You already own this " + claimType + "!");
             return;
         }
-		if(claim.parent == null && !owner.equals(claim.ownerID))
+		if(claim.parent == null && owner != null && !owner.equals(claim.ownerID))
 		{
             player.sendMessage(RealEstate.instance.config.chatPrefix + ChatColor.RED + Bukkit.getPlayer(owner).getDisplayName() + 
             		" does not have the right to sell this " + claimType + "!");
@@ -176,4 +178,10 @@ public class ClaimSell extends ClaimTransaction
 		}
 		player.sendMessage(msg);
 	}
+
+	@Override
+	public void setOwner(UUID newOwner)
+	{
+		this.owner = newOwner;
+	}
 }

src/me/EtienneDx/RealEstate/Transactions/Transaction.java

@@ -9,6 +9,7 @@ public interface Transaction
 {
 	public Block getHolder();
 	public UUID getOwner();
+	public void setOwner(UUID newOwner);
 	public void interact(Player player);
 	public void preview(Player player);
 	public void update();