Added error handling and selling command

+ Errors are handled when the response is parsed as JSON in GeoffreyAPICallback
+ Each command has a Map of errors and error messages it handles
+ Added new Models GeoffreyShop and GeoffreyItemListing
+ Added support for a config

src/main/java/com/zerohighdef/geoffrey/Commands/FindCommand.java

@@ -1,15 +1,12 @@
 package com.zerohighdef.geoffrey.Commands;
 
-import com.google.gson.JsonArray;
 import com.google.gson.JsonElement;
-import com.google.gson.JsonObject;
-import com.google.gson.JsonParser;
 import com.zerohighdef.geoffrey.GeoffreyMC;
-import com.zerohighdef.geoffrey.Models.GeoffreyLocation;
+import com.zerohighdef.geoffrey.Objects.GeoffreyAPICallback;
+import com.zerohighdef.geoffrey.Objects.GeoffreyCommandError;
 import org.bukkit.ChatColor;
 import org.bukkit.command.Command;
 import org.bukkit.command.CommandSender;
-import xyz.etztech.core.web.ICallback;
 
 import java.util.HashMap;
 import java.util.Map;
@@ -26,39 +23,31 @@ public class FindCommand extends GeoffreyCommand {
         Map <String, String> params = new HashMap<String, String>();
 
         params.put("search", locationName);
-        RunCommand("find_location", params, new CommandCallback((sender)));
+        RunCommand("find_location", params, new CommandCallback(sender, locationName));
 
         return true;
     }
 
-    protected String formatedCommand(String string) {
-        JsonArray list = new JsonParser().parse(string).getAsJsonArray();
-        StringBuilder stringBuilder = new StringBuilder();
 
-        stringBuilder.append("The following locations match:\n");
-        for (JsonElement element: list) {
-            JsonObject jsonObject = element.getAsJsonObject();
-            GeoffreyLocation geoffreyLocation = new GeoffreyLocation(jsonObject);
+    private class CommandCallback extends GeoffreyAPICallback {
+        private String locationName;
 
-            stringBuilder.append(geoffreyLocation.getFormattedLocationString());
-            stringBuilder.append("\n");
-        }
-
-        return stringBuilder.toString();
-    }
-
-    private class CommandCallback implements ICallback {
-        private CommandSender sender;
-
-        CommandCallback(CommandSender sender) {
-            this.sender = sender;
+        CommandCallback(CommandSender sender, String locationName) {
+            super(sender);
+            errors.put("LocationLookUpError", "There are no locations that match " + locationName);
+            this.locationName = locationName;
         }
 
         @Override
         public void invoke(String s) {
-
-            String msg = formatedCommand(s);
-            sender.sendMessage(ChatColor.GREEN + msg);
+            try {
+                JsonElement json = parseJSON(s);
+                String msg =  ChatColor.BOLD + "The following locations match " + locationName + ":\n" + ChatColor.RESET + locationList(json, 5);
+                commandSender.sendMessage(ChatColor.GREEN + msg);
+            }
+            catch (GeoffreyCommandError e) {
+                return;
+            }
         }
     }
 }

src/main/java/com/zerohighdef/geoffrey/Commands/SellingCommand.java

@@ -0,0 +1,64 @@
+
+package com.zerohighdef.geoffrey.Commands;
+
+import com.google.gson.JsonElement;
+import com.zerohighdef.geoffrey.GeoffreyMC;
+import com.zerohighdef.geoffrey.Objects.GeoffreyAPICallback;
+import com.zerohighdef.geoffrey.Objects.GeoffreyCommandError;
+import org.bukkit.ChatColor;
+import org.bukkit.command.Command;
+import org.bukkit.command.CommandSender;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public class SellingCommand extends GeoffreyCommand {
+
+    public SellingCommand(GeoffreyMC plugin) {
+        super(plugin);
+    }
+
+    @Override
+    public boolean onCommand(CommandSender sender, Command command, String label, String[] args) {
+        String item = args[0];
+        String commandName = "selling";
+
+        if (args.length > 1) {
+            String sort = args[1];
+
+            if (sort.compareToIgnoreCase("price") == 0) {
+                commandName = "selling_price";
+            }
+        }
+
+        Map <String, String> params = new HashMap<String, String>();
+
+        params.put("item_name", item);
+        RunCommand(commandName, params, new CommandCallback(sender, item));
+
+        return true;
+    }
+
+
+    private class CommandCallback extends GeoffreyAPICallback {
+        private String item;
+
+        CommandCallback(CommandSender sender, String item) {
+            super(sender);
+            errors.put("ItemNotFound", "No shop was found selling " + item);
+            this.item = item;
+        }
+
+        @Override
+        public void invoke(String s) {
+            try {
+                JsonElement json = parseJSON(s);
+                String msg = ChatColor.BOLD + "The following shops sell " + item + ":\n" + ChatColor.RESET +  sellingList(json, 5);
+                commandSender.sendMessage(ChatColor.GREEN + msg);
+            }
+            catch (GeoffreyCommandError e) {
+                return;
+            }
+        }
+    }
+}

src/main/java/com/zerohighdef/geoffrey/GeoffreyMC.java

@@ -1,19 +1,39 @@
 package com.zerohighdef.geoffrey;
 
 import com.zerohighdef.geoffrey.Commands.FindCommand;
+import com.zerohighdef.geoffrey.Commands.SellingCommand;
+import org.bukkit.Bukkit;
+import org.bukkit.configuration.file.FileConfiguration;
 import org.bukkit.plugin.java.JavaPlugin;
 
+import java.util.logging.Logger;
+
 public final class GeoffreyMC extends JavaPlugin {
-    private String APIToken = "ZIcJJHJTBqkdjAzxqJUmDQfLc";
-    private String BaseURL = "https://test.zerohighdef.com/GeoffreyApp/api";
+    private String APIToken;
+    private String baseURL;
+    private static FileConfiguration config;
+    private Logger log = Logger.getLogger( "Minecraft" );
 
     @Override
     public void onEnable() {
         // Plugin startup logic
+        saveDefaultConfig();
+        reloadConfig();
 
+        if (isEnabled()) {
+            APIToken = config.getString("geoffrey_api.key");
+            baseURL = config.getString("geoffrey_api.base_url");
             FindCommand findCommand = new FindCommand(this);
-        this.getCommand("find").setExecutor(findCommand);
+            this.getCommand("geoffrey_find").setExecutor(findCommand);
 
+            SellingCommand sellingCommand = new SellingCommand(this);
+            this.getCommand("geoffrey_selling").setExecutor(sellingCommand);
+        }
+
+    }
+
+    public void log(String message) {
+        log.info( "[GeoffreyMC]: " + message );
     }
 
     @Override
@@ -21,19 +41,18 @@ public final class GeoffreyMC extends JavaPlugin {
         // Plugin shutdown logic
     }
 
+    @Override
+    public void reloadConfig() {
+        super.reloadConfig();
+        config = Bukkit.getPluginManager().getPlugin("GeoffreyMC").getConfig();
+
+    }
+
     public String getAPIToken() {
         return APIToken;
     }
 
-    public void setAPIToken(String APIToken) {
-        this.APIToken = APIToken;
-    }
-
     public String getBaseURL() {
-        return BaseURL;
-    }
-
-    public void setBaseURL(String baseURL) {
-        BaseURL = baseURL;
+        return baseURL;
     }
 }

src/main/java/com/zerohighdef/geoffrey/Models/GeoffreyItemListing.java

@@ -0,0 +1,41 @@
+package com.zerohighdef.geoffrey.Models;
+
+import com.google.gson.JsonObject;
+
+public class GeoffreyItemListing {
+    private int amount;
+    private int price;
+    private int daysSinceRestock;
+    private String itemName;
+
+    public GeoffreyItemListing(JsonObject itemListingJSON) {
+        this.amount = itemListingJSON.get("amount").getAsInt();
+        this.price = itemListingJSON.get("price").getAsInt();
+        this.itemName = itemListingJSON.get("item_name").getAsString();
+
+        this.daysSinceRestock = itemListingJSON.get("days_since_restock").getAsInt();
+    }
+
+    public GeoffreyItemListing(int amount, int price, int daysSinceRestock, String itemName) {
+        this.amount = amount;
+        this.price = price;
+        this.itemName = itemName;
+        this.daysSinceRestock = daysSinceRestock;
+    }
+
+    public int getAmount() {
+        return amount;
+    }
+
+    public String getItemName() {
+        return itemName;
+    }
+
+    public String getFormattedItemListing() {
+        return amount + " " + itemName + " for " + price + "D, restocked " + daysSinceRestock + " day(s) ago" ;
+    }
+
+    public int getPrice() {
+        return price;
+    }
+}

src/main/java/com/zerohighdef/geoffrey/Models/GeoffreyShop.java

@@ -0,0 +1,41 @@
+package com.zerohighdef.geoffrey.Models;
+
+import com.google.gson.JsonArray;
+import com.google.gson.JsonElement;
+import com.google.gson.JsonObject;
+
+import java.util.LinkedList;
+import java.util.List;
+
+public class GeoffreyShop extends GeoffreyLocation{
+
+    private List <GeoffreyItemListing> items;
+
+    public GeoffreyShop(JsonObject locationJSON) {
+        super(locationJSON);
+
+        items = new <GeoffreyItemListing>LinkedList();
+        if (!locationJSON.get("items").isJsonNull()) {
+            JsonArray itemsJSON = locationJSON.get("items").getAsJsonArray();
+
+            for (JsonElement element: itemsJSON) {
+                JsonObject item = element.getAsJsonObject();
+
+                items.add(new GeoffreyItemListing(item));
+            }
+        }
+    }
+
+    public GeoffreyShop(int xCoord, int zCoord, String locationName, GeoffreyPlayer owner, String dimension) {
+        super(xCoord, zCoord, locationName, owner, dimension);
+        items = new <GeoffreyItemListing>LinkedList();
+    }
+
+    public List getItems() {
+        return items;
+    }
+
+    public GeoffreyItemListing getFirstItem() {
+        return items.get(0);
+    }
+}

src/main/java/com/zerohighdef/geoffrey/Objects/GeoffreyAPICallback.java

@@ -0,0 +1,89 @@
+package com.zerohighdef.geoffrey.Objects;
+
+import com.google.common.collect.Iterables;
+import com.google.gson.JsonArray;
+import com.google.gson.JsonElement;
+import com.google.gson.JsonObject;
+import com.google.gson.JsonParser;
+import com.zerohighdef.geoffrey.Models.GeoffreyLocation;
+import com.zerohighdef.geoffrey.Models.GeoffreyShop;
+import org.bukkit.ChatColor;
+import org.bukkit.command.CommandSender;
+import xyz.etztech.core.web.ICallback;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public abstract class GeoffreyAPICallback implements ICallback {
+    protected CommandSender commandSender;
+    protected HashMap<String, String> errors = new HashMap<>();
+
+
+    public GeoffreyAPICallback(CommandSender commandSender) {
+        this.commandSender = commandSender;
+        errors.put("PlayerNotFound", "You are not in the database, you must register first!");
+        errors.put("NoLocationsInDatabase", "You have no locations in the database, you must add some first!");
+        errors.put("DataError", "Slow down their slugger, that's a long word or number you are trying to cram into me, try again with something smaller, please");
+        errors.put("LocationHasTunnelError", "that location already has a tunnel you goober.");
+        errors.put( "EntryNameNotUniqueError", "that name has already been used, be more creative dingus kong");
+    }
+
+    protected JsonElement parseJSON(String string) throws GeoffreyCommandError {
+       JsonElement element = new JsonParser().parse(string);
+
+       if (element.isJsonObject()) {
+           JsonObject object = element.getAsJsonObject();
+
+           if (object.has("error")) {
+               String error = object.get("error").getAsString();
+               String errorMessage = "An internal error has occurred.";
+               if (errors.containsKey(error)) {
+                   errorMessage = errors.get(error);
+               }
+
+               commandSender.sendMessage(ChatColor.RED + errorMessage);
+               throw new GeoffreyCommandError();
+           }
+       }
+
+       return element;
+    }
+
+    protected String locationList(JsonElement jsonElement, int maxLength) {
+        JsonArray list = jsonElement.getAsJsonArray();
+        StringBuilder stringBuilder = new StringBuilder();
+
+        for (JsonElement element: Iterables.limit(list, maxLength)) {
+            JsonObject jsonObject = element.getAsJsonObject();
+            GeoffreyLocation geoffreyLocation = new GeoffreyLocation(jsonObject);
+
+            stringBuilder.append(geoffreyLocation.getFormattedLocationString());
+            stringBuilder.append("\n");
+        }
+
+        return stringBuilder.toString();
+    }
+
+    protected String sellingList(JsonElement jsonElement, int maxLength) {
+        JsonArray list = jsonElement.getAsJsonArray();
+        StringBuilder stringBuilder = new StringBuilder();
+
+        for (JsonElement element: Iterables.limit(list, maxLength)) {
+            JsonObject jsonObject = element.getAsJsonObject();
+            GeoffreyShop geoffreyShop = new GeoffreyShop(jsonObject);
+
+            stringBuilder.append(geoffreyShop.getLocationName());
+            stringBuilder.append(" ");
+            stringBuilder.append(geoffreyShop.getPositionString());
+            stringBuilder.append(" ");
+            stringBuilder.append(geoffreyShop.getFirstItem().getFormattedItemListing());
+            stringBuilder.append("\n");
+        }
+
+        return stringBuilder.toString();
+
+    }
+
+    @Override
+    public abstract void invoke(String s);
+}

src/main/java/com/zerohighdef/geoffrey/Objects/GeoffreyCommandError.java

@@ -0,0 +1,8 @@
+package com.zerohighdef.geoffrey.Objects;
+
+public class GeoffreyCommandError extends Exception{
+
+    public GeoffreyCommandError () {
+        super("Command encountered an error");
+    }
+}

src/main/resources/config.yml

@@ -0,0 +1,4 @@
+# GeoffreyAPI Settings
+geoffrey_api:
+  key: ''
+  base_url: ''

src/main/resources/plugin.yml

@@ -1,4 +1,4 @@
-name: version
+name: ${name}
 version: ${version}
 description: Geoffrey API Plugin for PaperMC
 main: ${mainClass}
@@ -7,3 +7,6 @@ commands:
   geoffrey_find:
     description: Finds a location in Geoffrey
     aliases: [find, find_location]
+  geoffrey_selling:
+    description: Finds an item for sale in Geoffrey
+    aliases: [selling]