Lots more MenuModule info

docs/_docs/modding/menu-modules.md

@@ -3,7 +3,7 @@ layout: page
 title: Menu Modules
 ---
 ## Menu Modules
-From initial connection to the screens and mods your users interact with, the entire experience is made up of menu entries — And all menu entries found within `menu.hjson` are backed by *Menu Modules*. For basic menus, a standard handler is implemented requiring no code. However, if you would like to create a menu that has custom handling, you will very likely be inheriting from from `MenuModule`. More on this below.
+From initial connection to the screens and mods your users interact with, the entire experience is made up of menu entries — And all menu entries found within [menu.hjson](../configuration/menu-hjson.md) are backed by *Menu Modules*. For basic menus, a standard handler is implemented requiring no code. However, if you would like to create a menu that has custom handling, you will very likely be inheriting from from `MenuModule`. More on this below.
 
 > :information_source: Remember that ENiGMA does not impose any stucture to your system! The "flow" of all `menu.hjson` entries is up to you!
 
@@ -43,19 +43,74 @@ initSequence() {
 }
 ```
 
-## ModuleInfo
+> :bulb: Remember that *all* menus within ENiGMA are created by inheriting from `MenuModule`. Take a look at existing examples such as [WFC](/core/wfc.js), [NUA](/core/nua.js), [MRC](/core/mrc.js) and more!
-To register your module with the system, include a `ModuleInfo` declaration in your exports:
+
+### ModuleInfo
+To register your module with the system, include a `ModuleInfo` declaration in your exports. The following members are available:
+
+| Field | Required | Description |
+|-------|----------|-------------|
+| `name` | :+1: | Short name of the module |
+| `desc` | :+1: | Long description of this module |
+| `author` | :+1: | Author(s) of module |
+| `packageName` | :-1: | Defines a reverse DNS style package name. Can be used in conjunction with the `getModDatabasePath()` call form [database.js](/core/database.js) to interact with a database specific to your module (See example below) |
+
+**Example**:
 
 ```javascript
 exports.ModuleInfo = {
   name: 'Super Dope Mod',
   desc: '...a super dope mod, duh.',
   author: 'You!',
+  packageName: `com.myname.foo.super-dope-mod`,
 };
 ```
 
-## Lifecycle
+### Per-Mod Databases
-Below is a very high level diagram showing the basic lifecycle of a menu.
+Custom mods often need their own data persistence. This can be acheived with `getModDatabsePath()` and your `ModuleInfo`'s `packageName`.
+
+**Example**:
+```javascript
+self.database = getTransactionDatabase(
+    new sqlite3.Database(getModDatabasePath(moduleInfo), callback)
+);
+```
+
+Given the `packageName` above, a database will be created at the following location:
+```bash
+$enigma-bbs/db/mods/com.myname.foo.super-dope-mod.sqlite3
+```
+
+### Menu Methods
+Form handler methods specified by `@method:someName` in your `menu.hjson` entries map to those found in your module's `menuMethods` object. That is, `this.menuMethods` and have the following signature `(formData, extraArgs, cb)`. For example, consider the following `menu.hjson` fragment:
+
+```hjson
+actionKeys: [
+  {
+    keys: [ "a", "shift + a" ]
+    action: @method:toggleAvailable
+  }
+]
+```
+
+We can handle this in our module as such:
+```javascript
+exports.getModule = class MyFancyModule extends MenuModule {
+  constructor(options) {
+    super(options);
+
+    this.menuMethods = {
+      toggleAvailable: (formData, extraArgs, cb) => {
+        // ...do something fancy...
+        return cb(null);
+      }
+    };
+  }
+}
+```
+
+## MenuModule Lifecycle
+Below is a very high level diagram showing the basic lifecycle of a MenuModule.
 
 ![Basic Menu Lifecycle](../../assets/images/basic_menu_lifecycle.png)
 
@@ -98,30 +153,8 @@ mciReady(mciData, cb) {
 
 > :information_source: Search the code for the above methods to see how they are used in the base system!
 
-## Menu Methods
-Form handler methods specified by `@method:someName` in your `menu.hjson` entries map to those found in your module's `menuMethods` object. That is, `this.menuMethods` and have the following signature `(formData, extraArgs, cb)`. For example, consider the following `menu.hjson` fragment:
 
-```hjson
+## Custom Mods
-actionKeys: [
+Most mods will also derive from `MenuModule`. Some things to be aware of:
-  {
+* Custom mods that bring in their own dependencies must also include their own `package.json` and other Node requirements
-    keys: [ "a", "shift + a" ]
+* Be sure to use `packageName` and `getModDatabasePath()` for any peristence needs.
-    action: @method:toggleAvailable
-  }
-]
-```
-
-We can handle this in our module as such:
-```javascript
-exports.getModule = class MyFancyModule extends MenuModule {
-  constructor(options) {
-    super(options);
-
-    this.menuMethods = {
-      toggleAvailable: (formData, extraArgs, cb) => {
-        // ...do something fancy...
-        return cb(null);
-      }
-    };
-  }
-}
-```