Add Vault support

pom.xml

@@ -10,6 +10,13 @@
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
   </properties>
 
+  <repositories>
+    <repository>
+      <id>jitpack.io</id>
+      <url>https://jitpack.io</url>
+    </repository>
+  </repositories>
+
   <dependencies>
     <dependency>
       <groupId>org.spigotmc</groupId>
@@ -23,6 +30,12 @@
       <version>0.0.1-SNAPSHOT</version>
       <scope>provided</scope>
     </dependency>
+    <dependency>
+      <groupId>com.github.MilkBowl</groupId>
+      <artifactId>VaultAPI</artifactId>
+      <version>1.7</version>
+      <scope>provided</scope>
+    </dependency>
   </dependencies>
 
   <build>

src/main/java/stonks/Stonks.java

@@ -13,6 +13,7 @@
 import featherpowders.items.ItemsDriver;
 import stonks.commands.MarketCommand;
 import stonks.events.ChatEventsHandler;
+import stonks.hooks.VaultEconomyHook;
 import stonks.players.StonksPlayer;
 import stonks.stock.OfferType;
 import stonks.stock.StockInfo;
@@ -51,6 +52,23 @@ public void onEnable() {
             return;
         }
 
+        // Setup economy
+        if (getServer().getPluginManager().getPlugin("Vault") != null) {
+            System.out.println("[Stonks] Vault found, hooking...");
+            VaultEconomyHook vault = new VaultEconomyHook();
+            if (!vault.serviceAvailable()) System.err.println("[Stonks] Vault Economy service is not available. Look like you don't have economy plugin :(");
+            else StonksHelper.economy = vault;
+        }
+        if (StonksHelper.economy == null) {
+            getServer().getConsoleSender().sendMessage(new String[] {
+                    "",
+                    "§eWARNING: §fNo economy plugin found!",
+                    "§fStonks will ignore all balance check and allow player to create orders without",
+                    "§ftaking money",
+                    ""
+            });
+        }
+
         saveResource("config.yml", false);
         reloadConfig();
 

src/main/java/stonks/StonksHelper.java

@@ -9,20 +9,25 @@
 
 import featherpowders.items.CustomStack;
 import featherpowders.ui.chest.ChestUI;
+import stonks.hooks.EconomyHook;
 import stonks.stock.OfferType;
 import stonks.stock.StockInfo;
 import stonks.ui.StockUI;
 
 public class StonksHelper {
 
-    // TODO: Hook with Vault Economy Service
+    public static EconomyHook economy;
 
     public static boolean hasAtLeastMoney(Player player, double amount) {
-        return true;
+        return (economy != null && economy.hasMoney(player, amount)) || true;
     }
 
-    public static void takeMoney(Player player, double amount) {}
-    public static void giveMoney(Player player, double amount) {}
+    public static void takeMoney(Player player, double amount) {
+        if (economy != null) economy.takeMoney(player, amount);
+    }
+    public static void giveMoney(Player player, double amount) {
+        if (economy != null) economy.giveMoney(player, amount);
+    }
 
     public static HashMap<UUID, OfferType> offeringCustom = new HashMap<>();
     public static HashMap<UUID, Integer> offeringUnits = new HashMap<>();

src/main/java/stonks/hooks/EconomyHook.java

@@ -0,0 +1,11 @@
+package stonks.hooks;
+
+import org.bukkit.entity.Player;
+
+public abstract class EconomyHook {
+
+    public abstract void giveMoney(Player player, double amount);
+    public abstract void takeMoney(Player player, double amount);
+    public abstract boolean hasMoney(Player player, double amount);
+
+}

src/main/java/stonks/hooks/VaultEconomyHook.java

@@ -0,0 +1,38 @@
+package stonks.hooks;
+
+import org.bukkit.Bukkit;
+import org.bukkit.entity.Player;
+import org.bukkit.plugin.RegisteredServiceProvider;
+
+import net.milkbowl.vault.economy.Economy;
+
+public class VaultEconomyHook extends EconomyHook {
+
+    private boolean available = false;
+    private Economy economy;
+
+    public VaultEconomyHook() {
+        RegisteredServiceProvider<Economy> rsp = Bukkit.getServer().getServicesManager().getRegistration(Economy.class);
+        if (rsp == null) { available = false; return; }
+        economy = rsp.getProvider();
+        if (economy == null) { available = false; return; }
+    }
+
+    public boolean serviceAvailable() { return available; }
+
+    @Override
+    public void giveMoney(Player player, double amount) {
+        economy.depositPlayer(player, amount);
+    }
+
+    @Override
+    public void takeMoney(Player player, double amount) {
+        economy.withdrawPlayer(player, amount);
+    }
+
+    @Override
+    public boolean hasMoney(Player player, double amount) {
+        return economy.has(player, amount);
+    }
+
+}

src/main/resources/plugin.yml

@@ -4,7 +4,7 @@ version: 0.0.1-SNAPSHOT
 api-version: 1.14
 main: stonks.Stonks
 depend: [FeatherPowders]
-softdepend: [ManyItems]
+softdepend: [ManyItems, Vault]
 
 commands:
   market: