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annotate mod_pubsub_pivotaltracker/mod_pubsub_pivotaltracker.lua @ 4976:75b6e5df65f9

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various: Improve error reporting if missing file server module on 0.12 If there is some error loading net.http.files then it would be swallowed by the pcall and then it would proceed to trying mod_http_files, which might cause unexpected behavior on 0.12 Ref #1765
author Kim Alvefur <zash@zash.se>
date Mon, 18 Jul 2022 22:47:54 +0200
parents 7dbde05b48a9
children
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1 module:depends("http");
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2
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3 local lom = require "lxp.lom";
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4 local st = require "util.stanza";
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5 local json = require "util.json";
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6 local datetime = require "util.datetime".datetime;
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9 local pubsub_service = module:depends("pubsub").service;
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10 local node = module:get_option("pivotaltracker_node", "tracker");
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12 local stanza_mt = require "util.stanza".stanza_mt;
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13 local function stanza_from_lom(lom)
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14 if lom.tag then
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15 local child_tags, attr = {}, {};
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16 local stanza = setmetatable({ name = lom.tag, attr = attr, tags = child_tags }, stanza_mt);
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17 for i, attr_name in ipairs(lom.attr) do
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18 attr[attr_name] = lom.attr[attr_name]
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19 end
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20 for i, child in ipairs(lom) do
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21 if child.tag then
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22 child = stanza_from_lom(child);
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23 child_tags[#child_tags+1] = child;
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24 end
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25 stanza[i] = child;
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26 end
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27 return stanza;
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28 else
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29 return lom;
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30 end
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31 end
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33 function handle_POST(event)
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34 local data = lom.parse(event.request.body);
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36 if not data then
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37 return "Invalid XML. From you of all people...";
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38 end
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40 data = stanza_from_lom(data);
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42 if data.name ~= "activity" then
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43 return "Unrecognised XML element: "..data.name;
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44 end
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46 local activity_id = data:get_child("id"):get_text();
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47 local description = data:get_child("description"):get_text();
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48 local author_name = data:get_child("author"):get_text();
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49 local story = data:get_child("stories"):get_child("story");
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50 local story_link = story:get_child("url"):get_text();
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51
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52 local ok, err = pubsub_service:publish(node, true, "activity", st.stanza("item", { id = "activity", xmlns = "http://jabber.org/protocol/pubsub" })
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53 :tag("entry", { xmlns = "http://www.w3.org/2005/Atom" })
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54 :tag("id"):text(activity_id):up()
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55 :tag("title"):text(description):up()
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56 :tag("link", { rel = "alternate", href = story_link }):up()
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57 :tag("published"):text(datetime()):up()
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58 :tag("author")
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59 :tag("name"):text(author_name):up()
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60 :up()
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61 );
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63 module:log("debug", "Handled POST: \n%s\n", tostring(event.request.body));
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64 return "Thank you Pivotal!";
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65 end
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66
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67 module:provides("http", {
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68 route = {
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69 POST = handle_POST;
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70 };
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71 });
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73 function module.load()
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74 if not pubsub_service.nodes[node] then
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75 local ok, err = pubsub_service:create(node, true);
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76 if not ok then
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77 module:log("error", "Error creating node: %s", err);
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78 else
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79 module:log("debug", "Node %q created", node);
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80 end
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81 end
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82 end