Placeholders (#12)

* placeholder api in pom

* placeholderapi added as softdepend, expansion class + runtime check for PlaceholderAPI in onEnable

ClansBanks-plugin/pom.xml

@@ -82,6 +82,11 @@
             <artifactId>VaultAPI</artifactId>
             <scope>provided</scope>
         </dependency>
+        <dependency>
+            <groupId>me.clip</groupId>
+            <artifactId>placeholderapi</artifactId>
+            <scope>provided</scope>
+        </dependency>
     </dependencies>
 
     <profiles>

ClansBanks-plugin/src/main/java/com/github/ms5984/clans/clansbanks/ClansBanks.java

@@ -25,6 +25,7 @@
 import com.github.ms5984.clans.clansbanks.model.BankEventsListener;
 import com.github.ms5984.clans.clansbanks.messaging.Messages;
 import com.github.ms5984.clans.clansbanks.model.BankMeta;
+import com.github.ms5984.clans.clansbanks.model.BanksPlaceholders;
 import com.github.ms5984.clans.clansbanks.util.Permissions;
 import com.youtube.hempfest.clans.util.construct.Clan;
 import net.milkbowl.vault.economy.Economy;
@@ -74,6 +75,9 @@ public void onEnable() {
             if (maxBalance == null) return "None";
             return maxBalance.toString();
         }));
+        if (getServer().getPluginManager().isPluginEnabled("PlaceholderAPI")) {
+            new BanksPlaceholders(this).register();
+        }
     }
 
     @Override

ClansBanks-plugin/src/main/java/com/github/ms5984/clans/clansbanks/model/BanksPlaceholders.java

@@ -0,0 +1,64 @@
+package com.github.ms5984.clans.clansbanks.model;
+
+import com.github.ms5984.clans.clansbanks.ClansBanks;
+import com.github.ms5984.clans.clansbanks.api.BanksAPI;
+import com.github.ms5984.clans.clansbanks.api.ClanBank;
+import com.youtube.hempfest.clans.HempfestClans;
+import me.clip.placeholderapi.expansion.PlaceholderExpansion;
+import org.bukkit.entity.Player;
+import org.bukkit.plugin.Plugin;
+import org.jetbrains.annotations.NotNull;
+
+import java.math.BigDecimal;
+import java.util.Optional;
+
+public final class BanksPlaceholders extends PlaceholderExpansion {
+
+    private final Plugin plugin;
+    private final BanksAPI api;
+
+    public BanksPlaceholders(ClansBanks plugin) {
+        this.plugin = plugin;
+        this.api = plugin;
+    }
+
+    @Override
+    public boolean persist() {
+        return true;
+    }
+
+    @Override
+    public boolean canRegister() {
+        return true;
+    }
+
+    @Override
+    public @NotNull String getAuthor() {
+        return plugin.getDescription().getAuthors().toString();
+    }
+
+    @Override
+    public @NotNull String getIdentifier() {
+        return "clansbanks";
+    }
+
+    @Override
+    public @NotNull String getVersion() {
+        return plugin.getDescription().getVersion();
+    }
+
+    @Override
+    public String onPlaceholderRequest(Player player, @NotNull String params) {
+        final Optional<Player> optionalPlayer = Optional.ofNullable(player);
+        return optionalPlayer.map(p -> {
+            if ("balance".equals(params)) {
+                final Optional<BigDecimal> optionalBalance = Optional.ofNullable(HempfestClans.getInstance().playerClan.get(player.getUniqueId()))
+                        .map(s -> HempfestClans.clanManager(player)).map(api::getBank).map(ClanBank::getBalance);
+                if (optionalBalance.isPresent()) {
+                    return optionalBalance.get().toString();
+                }
+            }
+            return null;
+        }).orElse(null);
+    }
+}

ClansBanks-plugin/src/main/resources/plugin.yml

@@ -5,6 +5,7 @@ prefix: 'Clans[Banks]'
 api-version: 1.15
 load: POSTWORLD
 depend: [ Vault, Clans ]
+softdepend: [ PlaceholderAPI ]
 authors: [ ms5984 ]
 description: ${project.parent.description}
 website: ${project.parent.url}

pom.xml

@@ -87,6 +87,10 @@
             <id>CodeMC</id>
             <url>https://repo.codemc.org/repository/maven-public</url>
         </repository>
+        <repository>
+            <id>placeholderapi</id>
+            <url>https://repo.extendedclip.com/content/repositories/placeholderapi/</url>
+        </repository>
         <repository>
             <id>jitpack.io</id>
             <url>https://jitpack.io</url>
@@ -119,6 +123,12 @@
                 <version>1.7</version>
                 <scope>provided</scope>
             </dependency>
+            <dependency>
+                <groupId>me.clip</groupId>
+                <artifactId>placeholderapi</artifactId>
+                <version>2.10.9</version>
+                <scope>provided</scope>
+            </dependency>
             <dependency>
                 <groupId>org.jetbrains</groupId>
                 <artifactId>annotations</artifactId>