Add documentation in eventhandler.nim

src/eventhandler.nim

@@ -2,25 +2,47 @@ import tables, hashes, json, message, user, guild, clientobjects
 
 type
     EventType* = enum
+        ## The event type.
         evtReady = "READY"
         evtMessageCreate = "MESSAGE_CREATE"
         evtGuildCreate = "GUILD_CREATE"
 
     BaseEvent* = object of RootObj
+        ## Base event that all events inherit from.
+        ## It stores a reference to the DiscordClient and name of the event.
         client*: DiscordClient
         name*: string
     ReadyEvent* = object of BaseEvent
+        ## The ready event is triggered everytime the bot starts up.
+        ## Stores the readyPayload (JSON Payload) that gets received and the bot's user.
         readyPayload*: JsonNode
         clientUser*: User
     MessageCreateEvent* = object of BaseEvent
+        ## The Message Create event is triggered when someone sends a message.
         message*: Message
     GuildCreateEvent* = object of BaseEvent
+        ## The Guild Create event is triggered when the bot starts, or when
+        ## it gets added to a new guild.
         guild*: Guild
 
 # Table storing all the event listeners
 let eventListeners = newTable[string, seq[proc(event: BaseEvent)]]()
 
 proc registerEventListener*(event: EventType, listener: proc(event: BaseEvent)) =
+    ## Register an event listener.
+    ## 
+    ## Examples:
+    ## 
+    ## .. code-block:: nim
+    ##   registerEventListener(EventType.evtReady, proc(bEvt: BaseEvent) =
+    ##      let event = ReadyEvent(bEvt)
+    ##      bot.clientUser = event.clientUser
+    ##   
+    ##      echo "Ready! (v", nimcordMajor, ".", nimcordMinor, ".", nimcordMicro, ")"
+    ##      echo "Logged in as: ", bot.clientUser.username, "#", bot.clientUser.discriminator
+    ##      echo "ID: ", bot.clientUser.id
+    ##      echo "--------------------"
+    ##   )
     if (eventListeners.hasKey($event)):
         eventListeners[$event].add(cast[proc(event: BaseEvent)](listener))
 
@@ -32,6 +54,7 @@ proc registerEventListener*(event: EventType, listener: proc(event: BaseEvent))
         echo "Added new event listener: ", $event
 
 proc dispatchEvent*[T: BaseEvent](event: T) = 
+    ## Dispatches an event so something can listen to it.
     if (eventListeners.hasKey(event.name)):
         let listeners = eventListeners[event.name]
         echo "Dispatching event: ", event.name