prosody-modules
8bfcedd93a72
mod_muc_dicebot/mod_muc_dicebot.lua

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mod_muc_dicebot/mod_muc_dicebot.lua @ 5551:8bfcedd93a72

mod_rest: List all error conditions in OpenAPI spec These are not handled by datamanager but by util.stanza and util.error, so they are not represented in the JSON schema file.
author Kim Alvefur <zash@zash.se>
date Sat, 17 Jun 2023 16:26:33 +0200
parent 4580:785389a2d2b3
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
4579
b305814bd930 mod_muc_dicebot: A thing to roll dice
Jonas Schäfer <jonas@wielicki.name>
parents:
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1 local muc = module:depends("muc");
b305814bd930 mod_muc_dicebot: A thing to roll dice
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parents:
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2 local rand = require"util.random";
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3
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4 local s_match = string.match;
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5 local s_gmatch = string.gmatch;
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6 local t_insert = table.insert;
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7 local t_concat = table.concat;
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8
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9 local rooms = module:get_option_set("muc_dicebot_rooms", nil);
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parents:
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10 local xmlns_nick = "http://jabber.org/protocol/nick";
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11
b305814bd930 mod_muc_dicebot: A thing to roll dice
Jonas Schäfer <jonas@wielicki.name>
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12 local function is_room_affected(roomjid)
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Jonas Schäfer <jonas@wielicki.name>
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13 return not rooms or rooms:contains(roomjid)
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14 end
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15
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Jonas Schäfer <jonas@wielicki.name>
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16 local function roll(sides)
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Jonas Schäfer <jonas@wielicki.name>
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17 if sides > 256 then
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18 return nil, "too many sides"
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19 end
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Jonas Schäfer <jonas@wielicki.name>
parents:
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20 local factor = math.floor(256 / sides);
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Jonas Schäfer <jonas@wielicki.name>
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21 local cutoff = sides * factor;
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Jonas Schäfer <jonas@wielicki.name>
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22 module:log("error", "%d -> %d %d %d", sides, max, factor, cutoff);
b305814bd930 mod_muc_dicebot: A thing to roll dice
Jonas Schäfer <jonas@wielicki.name>
parents:
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23 for i=1,10 do
b305814bd930 mod_muc_dicebot: A thing to roll dice
Jonas Schäfer <jonas@wielicki.name>
parents:
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24 local randomness = string.byte(rand.bytes(1), 1);
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25 module:log("error", "%d", randomness);
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26 if randomness < cutoff then
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27 return (randomness % sides) + 1
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28 end
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29 end
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Jonas Schäfer <jonas@wielicki.name>
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30 return nil, "failed to find valid number"
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31 end
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32
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Jonas Schäfer <jonas@wielicki.name>
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33 local function muc_broadcast_message(event)
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Jonas Schäfer <jonas@wielicki.name>
parents:
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34 if not is_room_affected(event.room.jid) then
b305814bd930 mod_muc_dicebot: A thing to roll dice
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35 return
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36 end
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37
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38 local stanza = event.stanza;
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Jonas Schäfer <jonas@wielicki.name>
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39 local body = stanza:get_child("body");
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40 if not body then
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41 return
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42 end
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43
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b305814bd930 mod_muc_dicebot: A thing to roll dice
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44 local text = body:get_text();
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45 module:log("error", "%q %q %q", stanza, body, text);
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Jonas Schäfer <jonas@wielicki.name>
parents:
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46 local dice = s_match(text, "^[%.!]r%s(.+)$");
b305814bd930 mod_muc_dicebot: A thing to roll dice
Jonas Schäfer <jonas@wielicki.name>
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47 if not dice or dice == "" then
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48 return
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49 end
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50
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51 local results = {};
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52 local count = 0;
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53 local sum = 0;
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Jonas Schäfer <jonas@wielicki.name>
parents:
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54 for ndice, sep, sides in s_gmatch(dice, "(%d*)([wd]?)(%d+)") do
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parents:
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55 if not sep or sep == "" then
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Jonas Schäfer <jonas@wielicki.name>
parents:
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56 sides = ndice .. sides
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parents:
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57 ndice = "1"
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58 end
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parents:
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59 local ndice = tonumber(ndice);
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60 count = count + ndice;
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parents:
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61 if count > 100 then
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parents:
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62 return true
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Jonas Schäfer <jonas@wielicki.name>
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63 end
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Jonas Schäfer <jonas@wielicki.name>
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64 local sides = tonumber(sides);
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65 for i=1,ndice do
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66 local value = roll(sides);
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67 t_insert(results, tostring(value));
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68 sum = sum + value;
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69 end
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70 end
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Jonas Schäfer <jonas@wielicki.name>
parents:
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71 body:text("\n⇒ "..t_concat(results, " ").." (sum: "..sum..")");
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parents:
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72 end
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73
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74 module:hook("muc-broadcast-message", muc_broadcast_message);