[factions-banking] Necessary change to introduce MY SQL into the mod!

build.gradle

@@ -47,6 +47,9 @@ dependencies {
 	mappings "net.fabricmc:yarn:${project.yarn_mappings}:v2"
 	modImplementation "net.fabricmc:fabric-loader:${project.loader_version}"
 
+	// modImplementation "mysql:mysql-connector-java:9.1.0"
+	include(implementation("mysql:mysql-connector-java:8.0.27"))
+
 	// Fabric API. This is technically optional, but you probably want it anyway.
 	modImplementation "net.fabricmc.fabric-api:fabric-api:${project.fabric_version}"
 	//modCompileOnly "cc.tweaked:cc-tweaked-1.20-fabric-api:1.105.0"

src/main/java/jesse/keeblarcraft/BankMgr/IndividualBank.java

@@ -88,7 +88,7 @@ public class IndividualBank {
             // TODO: REPLACE WITH SQL SERVER. DIRTY ITERATE OVER ALL FILES IN DIRECTORY TO LOAD STRUCTURE
             File dir = new File(accountsListDir);
             File[] allFiles = dir.listFiles();
-            if (allFiles != null) {
+            if (accounts != null && allFiles != null) {
                 for (File file : allFiles ) {
                     // First grab file identifier as KEY
                     String accountIdentifier = file.getName();
@@ -123,6 +123,7 @@ public class IndividualBank {
         // 'accountsListFromName' structure. This makes it no worse than O(n) to fill these two structures in.
         // NOTE: This is an *EXPENSIVE* operation! Future us might need to update this. Also note a method is needed for everytime a player opens a new account
         // or gets put on one to update the map every time
+        if (accounts != null) {
             for (Entry<String, IndividualAccount> account : accounts.accountsList.entrySet()) {
                 // We must loop over the string of holders for each account as well to make the flattened accountsListFromName map
                 List<String> accountHolders = account.getValue().GetAccountHolders();
@@ -139,6 +140,10 @@ public class IndividualBank {
                 }
             }
             numberOfAccounts = accounts.accountsList.size();
+        } else {
+            accounts = new Accounts();
+            numberOfAccounts = 0;
+        }
     }
 
     /////////////////////////////////////////////////////////////////////////////

src/main/java/jesse/keeblarcraft/Commands/ShortcutCommands.java

@@ -10,6 +10,8 @@
 
 package jesse.keeblarcraft.Commands;
 
+import java.util.function.Supplier;
+
 import com.mojang.brigadier.arguments.IntegerArgumentType;
 import com.mojang.brigadier.context.CommandContext;
 

src/main/java/jesse/keeblarcraft/ConfigMgr/ConfigManager.java

@@ -31,7 +31,6 @@ import java.util.ArrayList;
 import java.util.HashMap;
 
 import jesse.keeblarcraft.Keeblarcraft;
-import jesse.keeblarcraft.ChatStuff.ChatMsg;
 import net.minecraft.nbt.NbtCompound;
 import net.minecraft.nbt.NbtIo;
 import net.minecraft.nbt.NbtList;
@@ -45,6 +44,7 @@ public class ConfigManager {
     // Get a File reference to a file that is created on disk
     private File GetFile(String confFile) {
         File file = null;
+        System.out.println("Get file called for " + GLOBAL_CONFIG + confFile);
         try {
             file = new File(GLOBAL_CONFIG + confFile);
         } catch (Exception e) {}
@@ -284,7 +284,6 @@ public class ConfigManager {
     public <T> T GetJsonObjectFromFile(String fileName, Class<T> classToConvertTo) throws JsonSyntaxException {
         Gson gson = new Gson();
         String ret = "";
-        fileName = "config/keeblarcraft/" + fileName;
 
         // hot fix: Not sure how to return "false" for invalid conversion when I'm forced to convert or just catch... Look into a better
         // return value in the future - but for now throw JsonSyntaxException no matter what exception is caught

src/main/java/jesse/keeblarcraft/ConfigMgr/GeneralConfig.java

@@ -45,7 +45,6 @@ public class GeneralConfig {
         try {
             config = cfgMgr.GetJsonObjectFromFile("general.json", ImplementedConfig.class);
 
-            System.out.println("Read in config. Random value: " + config.global_spawn.x);
             existingFile = true;
         } catch(Exception e) {
             System.out.println("FAILED TO READ IN GENERALCONFIG");
@@ -87,6 +86,15 @@ public class GeneralConfig {
         FlashConfig();
     }
 
+    /////////////////////////////////////////////////////////////////////////////
+    /// @fn         GetSQLPassword
+    ///
+    /// @brief      Returns the SQL password set in the text config
+    /////////////////////////////////////////////////////////////////////////////
+    public String GetSQLPassword() {
+        return config.sqlPassword;
+    }
+
     /////////////////////////////////////////////////////////////////////////////
     /// @fn         IsNewPlayer
     ///
@@ -125,6 +133,7 @@ public class GeneralConfig {
     /////////////////////////////////////////////////////////////////////////////
     private class ImplementedConfig {
         public String MOTD = "Welcome to the server! Have fun!";
+        public String sqlPassword = "PUT SQL PASSWORD HERE";
 
         // This is lazy, but this will fill with every unique UUID that has joined the server. This is how I am checking
         // to see if a player has just joined the server for a first time or not

src/main/java/jesse/keeblarcraft/ConfigMgr/SQLConfig.java

@@ -0,0 +1,47 @@
+package jesse.keeblarcraft.ConfigMgr;
+
+import java.sql.Connection;
+import java.sql.DriverManager;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.sql.Statement;
+
+public class SQLConfig {
+    private static SQLConfig static_inst;
+
+    public static SQLConfig GetInstance() {
+        if (static_inst == null) {
+            static_inst = new SQLConfig();
+        }
+
+        return static_inst;
+    }
+
+    Connection conn = null;
+
+    public SQLConfig() {
+        Boolean canConnect = false;
+        try {
+            // According to some random online tutorial; this loads the driver!
+            Class.forName("com.mysql.cj.jdbc.Driver");
+            canConnect = true;
+        } catch (Exception e) {
+            System.out.println("Could not find the proper SQL JDBC Drivers. Cannot connect to SQL Config");
+            e.printStackTrace();
+        }
+
+        if (canConnect) {
+            try {
+                conn = DriverManager.getConnection("jdbc:mysql://localhost/keeblarcraft", "keeblarcraft", GeneralConfig.GetInstance().GetSQLPassword());
+                Statement stmnt = conn.createStatement();
+                String testSql = "SELECT * FROM test_table";
+                ResultSet rs = stmnt.executeQuery(testSql);
+
+                System.out.println("Printing out result set from test query");
+                while (rs.next()) {
+                    System.out.println("[RS]: " + rs.getString("test_name"));
+                }
+            } catch (SQLException e) {}
+        }
+    }
+}

src/main/java/jesse/keeblarcraft/Keeblarcraft.java

@@ -40,6 +40,7 @@ import jesse.keeblarcraft.AttributeMgr.AttributeMgr;
 import jesse.keeblarcraft.AttributeMgr.AttributeTree;
 import jesse.keeblarcraft.BankMgr.BankManager;
 import jesse.keeblarcraft.Commands.CustomCommandManager;
+import jesse.keeblarcraft.ConfigMgr.SQLConfig;
 import jesse.keeblarcraft.CustomBlocks.BlockList;
 import jesse.keeblarcraft.CustomBlocks.BlockEntities.BlockEntityRegistration;
 import jesse.keeblarcraft.CustomItems.ItemManager;
@@ -118,6 +119,9 @@ public class Keeblarcraft implements ModInitializer {
                 // Register the banking system
                 BankManager.GetInstance().InitializeBanks();
 
+                System.out.println("Attempting SQL Registration call");
+                SQLConfig.GetInstance();
+
 
                 /// THE BELOW ITEMS MUST BE DONE LAST IN THE STEPS
                 // Register items