255 lines
8.4 KiB
Elixir
255 lines
8.4 KiB
Elixir
defmodule Odinsea.Channel.Handler.BBS do
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@moduledoc """
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Handles Guild BBS (Bulletin Board System) operations.
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Ported from: src/handling/channel/handler/BBSHandler.java
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The Guild BBS allows guild members to:
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- Create and edit threads/posts
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- Reply to threads
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- Delete threads and replies (with permission checks)
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- List threads with pagination
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- View individual threads with replies
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## Main Handlers
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- handle_bbs_operation/2 - All BBS operations (CRUD)
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"""
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require Logger
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alias Odinsea.Net.Packet.In
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alias Odinsea.Game.Character
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alias Odinsea.World.Guild
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alias Odinsea.Channel.Packets
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# ============================================================================
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# BBS Operations
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# ============================================================================
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@doc """
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Handles all BBS operations (CP_BBS_OPERATION / 0xCD).
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Actions:
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- 0: Create new post / Edit existing post
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- 1: Delete a thread
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- 2: List threads (pagination)
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- 3: Display thread with replies
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- 4: Add reply to thread
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- 5: Delete reply from thread
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Reference: BBSHandler.BBSOperation()
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"""
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def handle_bbs_operation(packet, client_pid) do
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case Character.get_state_by_client(client_pid) do
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{:ok, character_id, char_state} ->
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guild_id = char_state.guild_id
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if guild_id <= 0 do
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Logger.debug("BBS operation rejected: character #{character_id} not in guild")
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:ok
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else
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action = In.decode_byte(packet)
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handle_bbs_action(action, packet, client_pid, character_id, char_state, guild_id)
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end
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{:error, reason} ->
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Logger.warn("Failed to handle BBS operation: #{inspect(reason)}")
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end
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end
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# ============================================================================
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# Individual Actions
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# ============================================================================
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# Action 0: Create or edit post
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defp handle_bbs_action(0, packet, client_pid, character_id, char_state, guild_id) do
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is_edit = In.decode_byte(packet) > 0
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local_thread_id = if is_edit do
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In.decode_int(packet)
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else
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0
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end
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is_notice = In.decode_byte(packet) > 0
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title = In.decode_string(packet) |> correct_length(25)
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text = In.decode_string(packet) |> correct_length(600)
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icon = In.decode_int(packet)
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# Validate icon
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valid_icon = validate_icon(icon, character_id)
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if valid_icon do
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if is_edit do
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# Edit existing thread
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edit_thread(guild_id, local_thread_id, title, text, icon, character_id, char_state.guild_rank)
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else
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# Create new thread
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create_thread(guild_id, title, text, icon, is_notice, character_id)
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end
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# Send updated thread list
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list_threads(client_pid, guild_id, 0)
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end
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Logger.debug("BBS create/edit: guild #{guild_id}, edit=#{is_edit}, notice=#{is_notice}, icon=#{icon}, character #{character_id}")
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:ok
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end
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# Action 1: Delete thread
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defp handle_bbs_action(1, packet, client_pid, character_id, char_state, guild_id) do
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local_thread_id = In.decode_int(packet)
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delete_thread(guild_id, local_thread_id, character_id, char_state.guild_rank)
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Logger.debug("BBS delete thread: guild #{guild_id}, thread #{local_thread_id}, character #{character_id}")
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:ok
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end
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# Action 2: List threads (pagination)
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defp handle_bbs_action(2, packet, client_pid, character_id, _char_state, guild_id) do
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start = In.decode_int(packet)
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list_threads(client_pid, guild_id, start * 10)
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Logger.debug("BBS list threads: guild #{guild_id}, start #{start}, character #{character_id}")
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:ok
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end
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# Action 3: Display thread
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defp handle_bbs_action(3, packet, client_pid, character_id, _char_state, guild_id) do
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local_thread_id = In.decode_int(packet)
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display_thread(client_pid, guild_id, local_thread_id)
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Logger.debug("BBS display thread: guild #{guild_id}, thread #{local_thread_id}, character #{character_id}")
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:ok
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end
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# Action 4: Add reply
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defp handle_bbs_action(4, packet, client_pid, character_id, _char_state, guild_id) do
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# Check rate limit (60 seconds between replies)
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# TODO: Implement rate limiting via CheatTracker
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local_thread_id = In.decode_int(packet)
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text = In.decode_string(packet) |> correct_length(25)
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add_reply(guild_id, local_thread_id, text, character_id)
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# Refresh thread display
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display_thread(client_pid, guild_id, local_thread_id)
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Logger.debug("BBS add reply: guild #{guild_id}, thread #{local_thread_id}, character #{character_id}")
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:ok
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end
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# Action 5: Delete reply
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defp handle_bbs_action(5, packet, client_pid, character_id, char_state, guild_id) do
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local_thread_id = In.decode_int(packet)
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reply_id = In.decode_int(packet)
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delete_reply(guild_id, local_thread_id, reply_id, character_id, char_state.guild_rank)
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# Refresh thread display
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display_thread(client_pid, guild_id, local_thread_id)
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Logger.debug("BBS delete reply: guild #{guild_id}, thread #{local_thread_id}, reply #{reply_id}, character #{character_id}")
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:ok
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end
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# Unknown action
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defp handle_bbs_action(action, _packet, _client_pid, character_id, _char_state, guild_id) do
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Logger.warning("Unknown BBS action #{action} from character #{character_id}, guild #{guild_id}")
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:ok
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end
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# ============================================================================
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# BBS Backend Operations
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# ============================================================================
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defp create_thread(guild_id, title, text, icon, is_notice, character_id) do
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# TODO: Call World.Guild.addBBSThread
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# Returns: local_thread_id
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Logger.debug("Create BBS thread: guild #{guild_id}, title '#{title}', character #{character_id}")
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:ok
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end
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defp edit_thread(guild_id, local_thread_id, title, text, icon, character_id, guild_rank) do
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# TODO: Call World.Guild.editBBSThread
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# Permission: thread owner OR guild rank <= 2
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Logger.debug("Edit BBS thread: guild #{guild_id}, thread #{local_thread_id}, character #{character_id}")
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:ok
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end
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defp delete_thread(guild_id, local_thread_id, character_id, guild_rank) do
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# TODO: Call World.Guild.deleteBBSThread
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# Permission: thread owner OR guild rank <= 2 (masters/jr masters)
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Logger.debug("Delete BBS thread: guild #{guild_id}, thread #{local_thread_id}, character #{character_id}")
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:ok
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end
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defp list_threads(client_pid, guild_id, start) do
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# TODO: Get threads from World.Guild.getBBS
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# TODO: Build thread list packet
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# packet = Packets.bbs_thread_list(threads, start)
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# send(client_pid, {:send_packet, packet})
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:ok
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end
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defp display_thread(client_pid, guild_id, local_thread_id) do
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# TODO: Get thread from World.Guild.getBBS
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# TODO: Find thread by local_thread_id
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# TODO: Build show thread packet
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# packet = Packets.show_thread(thread)
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# send(client_pid, {:send_packet, packet})
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:ok
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end
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defp add_reply(guild_id, local_thread_id, text, character_id) do
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# TODO: Call World.Guild.addBBSReply
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Logger.debug("Add BBS reply: guild #{guild_id}, thread #{local_thread_id}, character #{character_id}")
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:ok
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end
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defp delete_reply(guild_id, local_thread_id, reply_id, character_id, guild_rank) do
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# TODO: Call World.Guild.deleteBBSReply
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# Permission: reply owner OR guild rank <= 2
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Logger.debug("Delete BBS reply: guild #{guild_id}, thread #{local_thread_id}, reply #{reply_id}, character #{character_id}")
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:ok
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end
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# ============================================================================
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# Helper Functions
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# ============================================================================
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# Truncates string to max length if needed
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defp correct_length(string, max_size) when is_binary(string) do
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if String.length(string) > max_size do
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String.slice(string, 0, max_size)
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else
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string
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end
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end
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# Validates icon selection
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# Icons 0x64-0x6A (100-106) require NX items (5290000-5290006)
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defp validate_icon(icon, character_id) do
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cond do
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# NX icons - require specific items
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icon >= 0x64 and icon <= 0x6A ->
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# TODO: Check if player has item 5290000 + (icon - 0x64)
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# For now, allow all
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true
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# Standard icons (0-2)
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icon >= 0 and icon <= 2 ->
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true
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# Invalid icon
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true ->
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Logger.warning("Invalid BBS icon #{icon} from character #{character_id}")
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false
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end
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end
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end
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