annotate mod_pubsub_text_interface/mod_pubsub_text_interface.lua @ 3249:8f4a7084c466

mod_pubsub_text_interface: Rename variable to avoid name clash [luacheck]
author Kim Alvefur <zash@zash.se>
date Mon, 20 Aug 2018 23:18:43 +0200
parents ecec46f7d020
children 5801b5cf8f54
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ca856a892719 mod_pubsub_text_interface: A chat interface to PubSub
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1 local st = require "util.stanza";
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2 local jid = require "util.jid";
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3 local id = require "util.id";
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4
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5 local pubsub = module:depends "pubsub".service;
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6
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7 local name = module:get_option_string("name", "PubSub Service on "..module.host);
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8 local help = name..[[
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9
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10 Commands:
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11
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12 - `help` - this help message
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13 - `list` - list available nodes
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14 - `subscribe node` - subscribe to a node
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15 - `unsubscribe node` - unsubscribe from a node
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16 ]];
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17
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18 module:hook("message/host", function (event)
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19 local origin, stanza = event.origin, event.stanza;
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20 local body = stanza:get_child_text("body");
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21 if not body then return end -- bail out
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22 body = body:lower();
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23
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24 local from = stanza.attr.from;
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25
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26 local reply = st.reply(stanza);
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27 reply.attr.id = id.medium();
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28
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29 local command, node_arg = body:match("^(%a+)%s+(.*)");
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30
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31 if body == "help" then
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32 reply:body(help);
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33 elseif body == "list" then
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34 local ok, nodes = pubsub:get_nodes(from);
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35 if ok then
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36 local list = {};
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37 for node, node_obj in pairs(nodes) do
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38 table.insert(list, ("- `%s` %s"):format(node, node_obj.config.title or ""));
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39 end
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40 reply:body(table.concat(list, "\n"));
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41 else
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42 reply:body(nodes);
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43 end
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44 elseif command == "subscribe" then
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8f4a7084c466 mod_pubsub_text_interface: Rename variable to avoid name clash [luacheck]
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45 local ok, err = pubsub:add_subscription(node_arg, from, jid.bare(from), { ["pubsub#include_body"] = true });
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46 reply:body(ok and "OK" or err);
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47 elseif command == "unsubscribe" then
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48 local ok, err = pubsub:remove_subscription(node_arg, from, jid.bare(from));
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49 reply:body(ok and "OK" or err);
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50 else
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51 reply:body("Unknown command. `help` to list commands.");
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52 end
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53 origin.send(reply);
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54 return true;
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55 end);