annotate mod_couchdb/couchdb/couchdb.lib.lua @ 3492:f59334da6df9

mod_conversejs: Show fallback text if converse.js fails to load (thanks MattJ) This can happen if javascript is enabled but 3rd party resources are blocked, or some other error happened.
author Kim Alvefur <zash@zash.se>
date Tue, 19 Mar 2019 19:43:13 +0100
parents 316d7c8e1fb0
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1
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2 local http = require "socket.http";
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3 local url = require "socket.url";
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4
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5 local couchapi = module:require("couchdb/couchapi");
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6 local json = module:require("couchdb/json");
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7
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8 local couchdb_url = assert(module:get_option("couchdb_url"), "Option couchdb_url not specified");
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9 local db = couchapi.db(couchdb_url);
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10
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11 local function couchdb_get(key)
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12 local a,b = db:doc(key):get()
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13 print(json.encode(a));
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14 if b == 404 then return nil; end
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15 if b == 200 then b = nil; end
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16 return a.payload,b;
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17 end
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18
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19 local function couchdb_put(key, value)
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20 local a,b = db:doc(key):get();
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21 return db:doc(key):put({ payload = value, _rev = a and a._rev });
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22 end
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23
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24 local st = require "util.stanza";
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25
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26 local handlers = {};
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27
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28 handlers.accounts = {
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29 get = function(self, user)
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30 return couchdb_get(self.host.."/"..user.."/account");
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31 end;
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32 set = function(self, user, data)
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33 return couchdb_put(self.host.."/"..user.."/account", data);
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34 end;
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35 };
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36 handlers.vcard = {
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37 get = function(self, user)
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38 return couchdb_get(self.host.."/"..user.."/vcard");
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39 end;
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40 set = function(self, user, data)
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41 return couchdb_put(self.host.."/"..user.."/vcard", data);
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42 end;
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43 };
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44 handlers.private = {
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45 get = function(self, user)
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46 return couchdb_get(self.host.."/"..user.."/private");
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47 end;
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48 set = function(self, user, data)
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49 return couchdb_put(self.host.."/"..user.."/private", data);
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50 end;
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51 };
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52 handlers.roster = {
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53 get = function(self, user)
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54 return couchdb_get(self.host.."/"..user.."/roster");
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55 end;
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56 set = function(self, user, data)
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57 return couchdb_put(self.host.."/"..user.."/roster", data);
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58 end;
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59 };
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60
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61 -----------------------------
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62 local driver = {};
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63 driver.__index = driver;
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64
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65 function driver:open(host, datastore, typ)
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66 local cache_key = host.." "..datastore;
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67 if self.ds_cache[cache_key] then return self.ds_cache[cache_key]; end
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68 local instance = setmetatable({}, self);
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69 instance.host = host;
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70 instance.datastore = datastore;
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71 local handler = handlers[datastore];
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72 if not handler then return nil; end
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73 for key,val in pairs(handler) do
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74 instance[key] = val;
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75 end
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76 if instance.init then instance:init(); end
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77 self.ds_cache[cache_key] = instance;
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78 return instance;
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79 end
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80
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81 -----------------------------
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82 local _M = {};
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83
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84 function _M.new()
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85 local instance = setmetatable({}, driver);
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86 instance.__index = instance;
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87 instance.ds_cache = {};
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88 return instance;
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89 end
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90
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91 return _M;