Implement list command and fix caching issue

Cache was not initialized correctly by loading pronouns from database at startup.

src/main/java/wtf/beatrice/nounspicker/NounsPicker.java

@@ -60,6 +60,8 @@ public class NounsPicker extends JavaPlugin
         {
             logger.log("Database connection initialized!");
             Cache.dbManager = dbManager;
+            Cache.pronouns = dbManager.getAllPronouns();
+            logger.log("Database data loaded into memory!");
         } else {
             logger.err("Error initializing database connection!");
         }

src/main/java/wtf/beatrice/nounspicker/commands/NounsCommand.java

@@ -5,10 +5,7 @@ import org.bukkit.command.CommandExecutor;
 import org.bukkit.command.CommandSender;
 import org.jetbrains.annotations.NotNull;
 import wtf.beatrice.nounspicker.NounsPicker;
-import wtf.beatrice.nounspicker.commands.subcommands.NounsCreateSubCommand;
-import wtf.beatrice.nounspicker.commands.subcommands.NounsDeleteSubCommand;
-import wtf.beatrice.nounspicker.commands.subcommands.NounsSetSubCommand;
-import wtf.beatrice.nounspicker.commands.subcommands.NounsUpdateSubCmd;
+import wtf.beatrice.nounspicker.commands.subcommands.*;
 
 public class NounsCommand implements CommandExecutor
 {
@@ -42,6 +39,8 @@ public class NounsCommand implements CommandExecutor
                 return NounsDeleteSubCommand.run(sender, args);
             case "update":
                 return NounsUpdateSubCmd.run(sender, args);
+            case "list":
+                return NounsListSubCommand.run(sender);
         }
 
 

src/main/java/wtf/beatrice/nounspicker/commands/subcommands/NounsListSubCommand.java

@@ -0,0 +1,25 @@
+package wtf.beatrice.nounspicker.commands.subcommands;
+
+import org.bukkit.command.CommandSender;
+import org.jetbrains.annotations.NotNull;
+import wtf.beatrice.nounspicker.utils.Cache;
+
+public class NounsListSubCommand
+{
+
+    // todo: pagination
+
+    public static boolean run(@NotNull CommandSender sender)
+    {
+
+        sender.sendMessage("Pronouns List:");
+        for(int i = 0; i < Cache.pronouns.size(); i++) {
+            String pronoun = Cache.pronouns.get(i);
+            int pronounId = Cache.dbManager.getPronounId(pronoun);
+            String format = Cache.dbManager.getPronounFormat(pronounId);
+            sender.sendMessage(i+1 + " - " + format);
+        }
+
+        return true;
+    }
+}

src/main/java/wtf/beatrice/nounspicker/objects/TabCompletion.java

@@ -12,6 +12,7 @@ public class TabCompletion implements org.bukkit.command.TabCompleter
 
     private final List<String> mainSubCommands = new ArrayList<>(){{
         add("set");
+        add("list");
         add("create");
         add("delete");
         add("update");

src/main/java/wtf/beatrice/nounspicker/utils/DatabaseManager.java

@@ -312,5 +312,24 @@ public class DatabaseManager
         return false;
     }
 
+    public List<String> getAllPronouns() {
+        String query = "SELECT pronoun FROM pronouns;";
+
+        List<String> allPronouns = new ArrayList<>();
+
+        try(Statement stmt = dbConnection.createStatement()) {
+            ResultSet rSet = stmt.executeQuery(query);
+
+            if(rSet.isClosed()) return allPronouns;
+
+            while(rSet.next()) {
+                allPronouns.add(rSet.getString("pronoun"));
+            }
+        } catch (SQLException e) {
+            e.printStackTrace();
+        }
+
+        return allPronouns;
+    }
 
 }