[Why Isn't my texture working?]

Hello! I haven't modded since 1.6.4 and I understand a lot has changed since then, I'm following some basic tutorials to get myself acquainted but I've hit a roadblock. I can't understand how to debug this, my custom item isn't showing any texture (besides the purple/black cube) and I've checked every place I thought the issue would be. I'm probably overlooking something simple, thanks in advance for any help. Below is my code from my item related files, reply if I need to add one for it to make sense.

 

 

ModItems.java

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package com.darkenmoonz.designedexpansionmod.init;

import java.util.ArrayList;
import java.util.List;

import com.darkenmoonz.designedexpansionmod.items.ItemBase;

import net.minecraft.item.Item;

public class ModItems
{

	public static final List<Item> ITEMS = new ArrayList<Item>();
	
	public static final Item RUBY = new ItemBase("ruby");
}

 

RegistryHandler.java

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package com.darkenmoonz.designedexpansionmod.util.handlers;

import com.darkenmoonz.designedexpansionmod.init.ModItems;
import com.darkenmoonz.designedexpansionmod.util.IHasModel;

import net.minecraft.item.Item;
import net.minecraftforge.client.event.ModelRegistryEvent;
import net.minecraftforge.event.RegistryEvent;
import net.minecraftforge.fml.common.Mod.EventBusSubscriber;
import net.minecraftforge.fml.common.eventhandler.SubscribeEvent;

@EventBusSubscriber
public class RegistryHandler {

	@SubscribeEvent
	public static void onItemRegister(RegistryEvent.Register<Item> event)
	{
		event.getRegistry().registerAll(ModItems.ITEMS.toArray(new Item[0]));
	}
	
	@SubscribeEvent
	public static void onModelRegister(ModelRegistryEvent event)
	{
		for(Item item : ModItems.ITEMS) {
			if(item instanceof IHasModel) {
				((IHasModel)item).registerModels();
			}
		}
	}
}

 

ItemBase.java

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package com.darkenmoonz.designedexpansionmod.items;

import com.darkenmoonz.designedexpansionmod.Main;
import com.darkenmoonz.designedexpansionmod.init.ModItems;
import com.darkenmoonz.designedexpansionmod.util.IHasModel;

import net.minecraft.creativetab.CreativeTabs;
import net.minecraft.item.Item;

public class ItemBase extends Item implements IHasModel {

	public ItemBase(String name)
	{
		setUnlocalizedName(name);
		setRegistryName(name);
		setCreativeTab(CreativeTabs.MISC);
		
		ModItems.ITEMS.add(this);
	}
	
	@Override
	public void registerModels() {
		Main.proxy.registerItemRenderer(this, 0, "inventory");
	}

}

 

ruby.json

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{
   "parent": "item/generated",
   "textures": {
       "layer0": "dem:items/ruby"
   }
}