prosody
64e16d1e91f6
plugins/mod_storage_internal.lua

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plugins/mod_storage_internal.lua @ 9885:64e16d1e91f6

mod_storage_internal,_sql: Key item count cache on both username and store
author Kim Alvefur <zash@zash.se>
date Fri, 22 Mar 2019 18:02:27 +0100
parent 9884:9751c17f5281
child 9888:5669bb11ac7b
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 local cache = require "util.cache";
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2 local datamanager = require "core.storagemanager".olddm;
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3 local array = require "util.array";
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4 local datetime = require "util.datetime";
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5 local st = require "util.stanza";
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6 local now = require "util.time".now;
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7 local id = require "util.id".medium;
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8 local jid_join = require "util.jid".join;
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9
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10 local host = module.host;
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11
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12 local archive_item_limit = module:get_option_number("storage_archive_item_limit", 1000);
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13 local archive_item_count_cache = cache.new(module:get_option("storage_archive_item_limit_cache_size", 1000));
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14
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15 local driver = {};
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16
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17 function driver:open(store, typ)
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18 local mt = self[typ or "keyval"]
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19 if not mt then
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20 return nil, "unsupported-store";
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21 end
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22 return setmetatable({ store = store, type = typ }, mt);
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23 end
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24
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25 function driver:stores(username) -- luacheck: ignore 212/self
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26 return datamanager.stores(username, host);
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27 end
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28
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29 function driver:purge(user) -- luacheck: ignore 212/self
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30 return datamanager.purge(user, host);
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31 end
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32
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33 local keyval = { };
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34 driver.keyval = { __index = keyval };
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35
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36 function keyval:get(user)
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37 return datamanager.load(user, host, self.store);
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38 end
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39
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40 function keyval:set(user, data)
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41 return datamanager.store(user, host, self.store, data);
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42 end
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43
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44 function keyval:users()
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45 return datamanager.users(host, self.store, self.type);
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46 end
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47
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48 local archive = {};
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49 driver.archive = { __index = archive };
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50
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51 archive.caps = {
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52 total = true;
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53 quota = archive_item_limit;
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54 truncate = true;
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55 };
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56
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57 function archive:append(username, key, value, when, with)
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58 when = when or now();
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59 if not st.is_stanza(value) then
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60 return nil, "unsupported-datatype";
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61 end
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62 value = st.preserialize(st.clone(value));
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63 value.when = when;
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64 value.with = with;
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65 value.attr.stamp = datetime.datetime(when);
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66 value.attr.stamp_legacy = datetime.legacy(when);
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67
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68 local cache_key = jid_join(username, host, self.store);
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69 local item_count = archive_item_count_cache:get(cache_key);
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70
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71 if key then
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72 local items, err = datamanager.list_load(username, host, self.store);
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73 if not items and err then return items, err; end
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74
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75 -- Check the quota
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76 item_count = items and #items or 0;
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77 archive_item_count_cache:set(cache_key, item_count);
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78 if item_count >= archive_item_limit then
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79 module:log("debug", "%s reached or over quota, not adding to store", username);
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80 return nil, "quota-limit";
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81 end
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82
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83 if items then
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84 -- Filter out any item with the same key as the one being added
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85 items = array(items);
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86 items:filter(function (item)
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87 return item.key ~= key;
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88 end);
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89
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90 value.key = key;
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91 items:push(value);
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92 local ok, err = datamanager.list_store(username, host, self.store, items);
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93 if not ok then return ok, err; end
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94 archive_item_count_cache:set(cache_key, #items);
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95 return key;
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96 end
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97 else
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98 if not item_count then -- Item count not cached?
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99 -- We need to load the list to get the number of items currently stored
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100 local items, err = datamanager.list_load(username, host, self.store);
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101 if not items and err then return items, err; end
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102 item_count = items and #items or 0;
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103 archive_item_count_cache:set(cache_key, item_count);
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104 end
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105 if item_count >= archive_item_limit then
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106 module:log("debug", "%s reached or over quota, not adding to store", username);
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107 return nil, "quota-limit";
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108 end
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109 key = id();
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110 end
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111
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112 module:log("debug", "%s has %d items out of %d limit", username, item_count, archive_item_limit);
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113
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114 value.key = key;
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115
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116 local ok, err = datamanager.list_append(username, host, self.store, value);
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117 if not ok then return ok, err; end
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118 archive_item_count_cache:set(cache_key, item_count+1);
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119 return key;
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120 end
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Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
121
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
122 function archive:find(username, query)
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
123 local items, err = datamanager.list_load(username, host, self.store);
8173
3ff99d49082f mod_storage_internal: Return a noop iterator if archive is empty (fixes #920)
Kim Alvefur <zash@zash.se>
parents: 8143
diff changeset
124 if not items then
3ff99d49082f mod_storage_internal: Return a noop iterator if archive is empty (fixes #920)
Kim Alvefur <zash@zash.se>
parents: 8143
diff changeset
125 if err then
3ff99d49082f mod_storage_internal: Return a noop iterator if archive is empty (fixes #920)
Kim Alvefur <zash@zash.se>
parents: 8143
diff changeset
126 return items, err;
3ff99d49082f mod_storage_internal: Return a noop iterator if archive is empty (fixes #920)
Kim Alvefur <zash@zash.se>
parents: 8143
diff changeset
127 else
3ff99d49082f mod_storage_internal: Return a noop iterator if archive is empty (fixes #920)
Kim Alvefur <zash@zash.se>
parents: 8143
diff changeset
128 return function () end, 0;
3ff99d49082f mod_storage_internal: Return a noop iterator if archive is empty (fixes #920)
Kim Alvefur <zash@zash.se>
parents: 8143
diff changeset
129 end
3ff99d49082f mod_storage_internal: Return a noop iterator if archive is empty (fixes #920)
Kim Alvefur <zash@zash.se>
parents: 8143
diff changeset
130 end
8021
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
131 local count = #items;
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
132 local i = 0;
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
133 if query then
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
134 items = array(items);
8089
4ba8cb75d925 mod_storage_internal: Support the 'key' archive query field
Kim Alvefur <zash@zash.se>
parents: 8023
diff changeset
135 if query.key then
4ba8cb75d925 mod_storage_internal: Support the 'key' archive query field
Kim Alvefur <zash@zash.se>
parents: 8023
diff changeset
136 items:filter(function (item)
4ba8cb75d925 mod_storage_internal: Support the 'key' archive query field
Kim Alvefur <zash@zash.se>
parents: 8023
diff changeset
137 return item.key == query.key;
4ba8cb75d925 mod_storage_internal: Support the 'key' archive query field
Kim Alvefur <zash@zash.se>
parents: 8023
diff changeset
138 end);
4ba8cb75d925 mod_storage_internal: Support the 'key' archive query field
Kim Alvefur <zash@zash.se>
parents: 8023
diff changeset
139 end
8021
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
140 if query.with then
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
141 items:filter(function (item)
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
142 return item.with == query.with;
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
143 end);
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
144 end
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
145 if query.start then
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
146 items:filter(function (item)
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
147 return item.when >= query.start;
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
148 end);
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
149 end
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
150 if query["end"] then
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
151 items:filter(function (item)
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
152 return item.when <= query["end"];
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
153 end);
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
154 end
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
155 count = #items;
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
156 if query.reverse then
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
157 items:reverse();
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
158 if query.before then
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
159 for j = 1, count do
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
160 if (items[j].key or tostring(j)) == query.before then
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
161 i = j;
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
162 break;
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
163 end
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
164 end
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
165 end
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
166 elseif query.after then
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
167 for j = 1, count do
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
168 if (items[j].key or tostring(j)) == query.after then
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
169 i = j;
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
170 break;
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
171 end
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
172 end
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
173 end
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
174 if query.limit and #items - i > query.limit then
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
175 items[i+query.limit+1] = nil;
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
176 end
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
177 end
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
178 return function ()
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
179 i = i + 1;
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
180 local item = items[i];
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
181 if not item then return; end
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
182 local key = item.key or tostring(i);
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
183 local when = item.when or datetime.parse(item.attr.stamp);
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
184 local with = item.with;
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
185 item.key, item.when, item.with = nil, nil, nil;
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
186 item.attr.stamp = nil;
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
187 item.attr.stamp_legacy = nil;
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
188 item = st.deserialize(item);
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
189 return key, item, when, with;
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
190 end, count;
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
191 end
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
192
8023
5a9d491cc714 mod_storage_internal: Add the dates method
Kim Alvefur <zash@zash.se>
parents: 8022
diff changeset
193 function archive:dates(username)
5a9d491cc714 mod_storage_internal: Add the dates method
Kim Alvefur <zash@zash.se>
parents: 8022
diff changeset
194 local items, err = datamanager.list_load(username, host, self.store);
5a9d491cc714 mod_storage_internal: Add the dates method
Kim Alvefur <zash@zash.se>
parents: 8022
diff changeset
195 if not items then return items, err; end
5a9d491cc714 mod_storage_internal: Add the dates method
Kim Alvefur <zash@zash.se>
parents: 8022
diff changeset
196 return array(items):pluck("when"):map(datetime.date):unique();
5a9d491cc714 mod_storage_internal: Add the dates method
Kim Alvefur <zash@zash.se>
parents: 8022
diff changeset
197 end
5a9d491cc714 mod_storage_internal: Add the dates method
Kim Alvefur <zash@zash.se>
parents: 8022
diff changeset
198
8022
05e201468f27 mod_storage_internal: Add support for removing archived items
Kim Alvefur <zash@zash.se>
parents: 8021
diff changeset
199 function archive:delete(username, query)
9885
64e16d1e91f6 mod_storage_internal,_sql: Key item count cache on both username and store
Kim Alvefur <zash@zash.se>
parents: 9884
diff changeset
200 local cache_key = jid_join(username, host, self.store);
8022
05e201468f27 mod_storage_internal: Add support for removing archived items
Kim Alvefur <zash@zash.se>
parents: 8021
diff changeset
201 if not query or next(query) == nil then
9885
64e16d1e91f6 mod_storage_internal,_sql: Key item count cache on both username and store
Kim Alvefur <zash@zash.se>
parents: 9884
diff changeset
202 archive_item_count_cache:set(cache_key, nil);
8022
05e201468f27 mod_storage_internal: Add support for removing archived items
Kim Alvefur <zash@zash.se>
parents: 8021
diff changeset
203 return datamanager.list_store(username, host, self.store, nil);
05e201468f27 mod_storage_internal: Add support for removing archived items
Kim Alvefur <zash@zash.se>
parents: 8021
diff changeset
204 end
05e201468f27 mod_storage_internal: Add support for removing archived items
Kim Alvefur <zash@zash.se>
parents: 8021
diff changeset
205 local items, err = datamanager.list_load(username, host, self.store);
8143
c4c159953c72 mod_storage_internal: Handle case of empty item store when deleting (fixes #910)
Kim Alvefur <zash@zash.se>
parents: 8142
diff changeset
206 if not items then
c4c159953c72 mod_storage_internal: Handle case of empty item store when deleting (fixes #910)
Kim Alvefur <zash@zash.se>
parents: 8142
diff changeset
207 if err then
c4c159953c72 mod_storage_internal: Handle case of empty item store when deleting (fixes #910)
Kim Alvefur <zash@zash.se>
parents: 8142
diff changeset
208 return items, err;
c4c159953c72 mod_storage_internal: Handle case of empty item store when deleting (fixes #910)
Kim Alvefur <zash@zash.se>
parents: 8142
diff changeset
209 end
9885
64e16d1e91f6 mod_storage_internal,_sql: Key item count cache on both username and store
Kim Alvefur <zash@zash.se>
parents: 9884
diff changeset
210 archive_item_count_cache:set(cache_key, 0);
8143
c4c159953c72 mod_storage_internal: Handle case of empty item store when deleting (fixes #910)
Kim Alvefur <zash@zash.se>
parents: 8142
diff changeset
211 -- Store is empty
c4c159953c72 mod_storage_internal: Handle case of empty item store when deleting (fixes #910)
Kim Alvefur <zash@zash.se>
parents: 8142
diff changeset
212 return 0;
c4c159953c72 mod_storage_internal: Handle case of empty item store when deleting (fixes #910)
Kim Alvefur <zash@zash.se>
parents: 8142
diff changeset
213 end
8022
05e201468f27 mod_storage_internal: Add support for removing archived items
Kim Alvefur <zash@zash.se>
parents: 8021
diff changeset
214 items = array(items);
8142
13e075549cb3 mod_storage_internal: Correctly calculate number of deleted items (fixes #912)
Kim Alvefur <zash@zash.se>
parents: 8089
diff changeset
215 local count_before = #items;
8310
1759491b53db mod_storage_internal: Add more extensive query support to archive:delete method
Kim Alvefur <zash@zash.se>
parents: 8309
diff changeset
216 if query then
1759491b53db mod_storage_internal: Add more extensive query support to archive:delete method
Kim Alvefur <zash@zash.se>
parents: 8309
diff changeset
217 if query.key then
1759491b53db mod_storage_internal: Add more extensive query support to archive:delete method
Kim Alvefur <zash@zash.se>
parents: 8309
diff changeset
218 items:filter(function (item)
1759491b53db mod_storage_internal: Add more extensive query support to archive:delete method
Kim Alvefur <zash@zash.se>
parents: 8309
diff changeset
219 return item.key ~= query.key;
1759491b53db mod_storage_internal: Add more extensive query support to archive:delete method
Kim Alvefur <zash@zash.se>
parents: 8309
diff changeset
220 end);
1759491b53db mod_storage_internal: Add more extensive query support to archive:delete method
Kim Alvefur <zash@zash.se>
parents: 8309
diff changeset
221 end
1759491b53db mod_storage_internal: Add more extensive query support to archive:delete method
Kim Alvefur <zash@zash.se>
parents: 8309
diff changeset
222 if query.with then
1759491b53db mod_storage_internal: Add more extensive query support to archive:delete method
Kim Alvefur <zash@zash.se>
parents: 8309
diff changeset
223 items:filter(function (item)
1759491b53db mod_storage_internal: Add more extensive query support to archive:delete method
Kim Alvefur <zash@zash.se>
parents: 8309
diff changeset
224 return item.with ~= query.with;
1759491b53db mod_storage_internal: Add more extensive query support to archive:delete method
Kim Alvefur <zash@zash.se>
parents: 8309
diff changeset
225 end);
1759491b53db mod_storage_internal: Add more extensive query support to archive:delete method
Kim Alvefur <zash@zash.se>
parents: 8309
diff changeset
226 end
1759491b53db mod_storage_internal: Add more extensive query support to archive:delete method
Kim Alvefur <zash@zash.se>
parents: 8309
diff changeset
227 if query.start then
1759491b53db mod_storage_internal: Add more extensive query support to archive:delete method
Kim Alvefur <zash@zash.se>
parents: 8309
diff changeset
228 items:filter(function (item)
1759491b53db mod_storage_internal: Add more extensive query support to archive:delete method
Kim Alvefur <zash@zash.se>
parents: 8309
diff changeset
229 return item.when < query.start;
1759491b53db mod_storage_internal: Add more extensive query support to archive:delete method
Kim Alvefur <zash@zash.se>
parents: 8309
diff changeset
230 end);
1759491b53db mod_storage_internal: Add more extensive query support to archive:delete method
Kim Alvefur <zash@zash.se>
parents: 8309
diff changeset
231 end
1759491b53db mod_storage_internal: Add more extensive query support to archive:delete method
Kim Alvefur <zash@zash.se>
parents: 8309
diff changeset
232 if query["end"] then
1759491b53db mod_storage_internal: Add more extensive query support to archive:delete method
Kim Alvefur <zash@zash.se>
parents: 8309
diff changeset
233 items:filter(function (item)
1759491b53db mod_storage_internal: Add more extensive query support to archive:delete method
Kim Alvefur <zash@zash.se>
parents: 8309
diff changeset
234 return item.when > query["end"];
1759491b53db mod_storage_internal: Add more extensive query support to archive:delete method
Kim Alvefur <zash@zash.se>
parents: 8309
diff changeset
235 end);
1759491b53db mod_storage_internal: Add more extensive query support to archive:delete method
Kim Alvefur <zash@zash.se>
parents: 8309
diff changeset
236 end
9105
e735c9865f42 mod_storage_internal: Only apply truncate if there are more items than requested
Kim Alvefur <zash@zash.se>
parents: 8402
diff changeset
237 if query.truncate and #items > query.truncate then
8393
b6a7b83f8d87 mod_storage_internal: Allow truncating deletion at the beginning or end of an archive store
Kim Alvefur <zash@zash.se>
parents: 8310
diff changeset
238 if query.reverse then
b6a7b83f8d87 mod_storage_internal: Allow truncating deletion at the beginning or end of an archive store
Kim Alvefur <zash@zash.se>
parents: 8310
diff changeset
239 -- Before: { 1, 2, 3, 4, 5, }
b6a7b83f8d87 mod_storage_internal: Allow truncating deletion at the beginning or end of an archive store
Kim Alvefur <zash@zash.se>
parents: 8310
diff changeset
240 -- After: { 1, 2, 3 }
8394
4892c22403d5 mod_storage_internal: Optimize truncation
Kim Alvefur <zash@zash.se>
parents: 8393
diff changeset
241 for i = #items, query.truncate + 1, -1 do
4892c22403d5 mod_storage_internal: Optimize truncation
Kim Alvefur <zash@zash.se>
parents: 8393
diff changeset
242 items[i] = nil;
8393
b6a7b83f8d87 mod_storage_internal: Allow truncating deletion at the beginning or end of an archive store
Kim Alvefur <zash@zash.se>
parents: 8310
diff changeset
243 end
b6a7b83f8d87 mod_storage_internal: Allow truncating deletion at the beginning or end of an archive store
Kim Alvefur <zash@zash.se>
parents: 8310
diff changeset
244 else
b6a7b83f8d87 mod_storage_internal: Allow truncating deletion at the beginning or end of an archive store
Kim Alvefur <zash@zash.se>
parents: 8310
diff changeset
245 -- Before: { 1, 2, 3, 4, 5, }
b6a7b83f8d87 mod_storage_internal: Allow truncating deletion at the beginning or end of an archive store
Kim Alvefur <zash@zash.se>
parents: 8310
diff changeset
246 -- After: { 3, 4, 5 }
8394
4892c22403d5 mod_storage_internal: Optimize truncation
Kim Alvefur <zash@zash.se>
parents: 8393
diff changeset
247 local offset = #items - query.truncate;
4892c22403d5 mod_storage_internal: Optimize truncation
Kim Alvefur <zash@zash.se>
parents: 8393
diff changeset
248 for i = 1, #items do
4892c22403d5 mod_storage_internal: Optimize truncation
Kim Alvefur <zash@zash.se>
parents: 8393
diff changeset
249 items[i] = items[i+offset];
8393
b6a7b83f8d87 mod_storage_internal: Allow truncating deletion at the beginning or end of an archive store
Kim Alvefur <zash@zash.se>
parents: 8310
diff changeset
250 end
b6a7b83f8d87 mod_storage_internal: Allow truncating deletion at the beginning or end of an archive store
Kim Alvefur <zash@zash.se>
parents: 8310
diff changeset
251 end
b6a7b83f8d87 mod_storage_internal: Allow truncating deletion at the beginning or end of an archive store
Kim Alvefur <zash@zash.se>
parents: 8310
diff changeset
252 end
8310
1759491b53db mod_storage_internal: Add more extensive query support to archive:delete method
Kim Alvefur <zash@zash.se>
parents: 8309
diff changeset
253 end
8142
13e075549cb3 mod_storage_internal: Correctly calculate number of deleted items (fixes #912)
Kim Alvefur <zash@zash.se>
parents: 8089
diff changeset
254 local count = count_before - #items;
8402
469afa02947b mod_storage_internal: Skip write if no items matched a deletion query
Kim Alvefur <zash@zash.se>
parents: 8394
diff changeset
255 if count == 0 then
469afa02947b mod_storage_internal: Skip write if no items matched a deletion query
Kim Alvefur <zash@zash.se>
parents: 8394
diff changeset
256 return 0; -- No changes, skip write
469afa02947b mod_storage_internal: Skip write if no items matched a deletion query
Kim Alvefur <zash@zash.se>
parents: 8394
diff changeset
257 end
8022
05e201468f27 mod_storage_internal: Add support for removing archived items
Kim Alvefur <zash@zash.se>
parents: 8021
diff changeset
258 local ok, err = datamanager.list_store(username, host, self.store, items);
05e201468f27 mod_storage_internal: Add support for removing archived items
Kim Alvefur <zash@zash.se>
parents: 8021
diff changeset
259 if not ok then return ok, err; end
9885
64e16d1e91f6 mod_storage_internal,_sql: Key item count cache on both username and store
Kim Alvefur <zash@zash.se>
parents: 9884
diff changeset
260 archive_item_count_cache:set(cache_key, #items);
8022
05e201468f27 mod_storage_internal: Add support for removing archived items
Kim Alvefur <zash@zash.se>
parents: 8021
diff changeset
261 return count;
05e201468f27 mod_storage_internal: Add support for removing archived items
Kim Alvefur <zash@zash.se>
parents: 8021
diff changeset
262 end
05e201468f27 mod_storage_internal: Add support for removing archived items
Kim Alvefur <zash@zash.se>
parents: 8021
diff changeset
263
5121
b5a5643f8572 core.storagemanager, mod_storage_*: "data-driver" -> "storage-provider", to allow using module:provides().
Waqas Hussain <waqas20@gmail.com>
parents: 5039
diff changeset
264 module:provides("storage", driver);