prosody
83668e16b9a3
util/datetime.lua

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util/datetime.lua @ 10688:83668e16b9a3

MUC: Switch to new storage format by default Changing the default setting of `new_muc_storage_format` from false to true. The code supports reading both formats since 0.11, but servers with MUCs stored using the new format will not be able to downgrade to 0.10 or earlier. The new format is clearer (less nesting for the most commonly-accessed data), and combined with the new map-store methods, allows for some operations to become more efficient (such as finding out which MUCs on a service a given user is affiliated with).
author Matthew Wild <mwild1@gmail.com>
date Thu, 12 Mar 2020 16:10:44 +0000
parent 9698:e616c37756b3
child 12629:4c1d3f817063
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1 -- Prosody IM
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2 -- Copyright (C) 2008-2010 Matthew Wild
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3 -- Copyright (C) 2008-2010 Waqas Hussain
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4 --
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b1885732e979 GPL->MIT!
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5 -- This project is MIT/X11 licensed. Please see the
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6 -- COPYING file in the source package for more information.
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7 --
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8
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10 -- XEP-0082: XMPP Date and Time Profiles
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11
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12 local os_date = os.date;
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13 local os_time = os.time;
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14 local os_difftime = os.difftime;
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15 local tonumber = tonumber;
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17 local _ENV = nil;
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18 -- luacheck: std none
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20 local function date(t)
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21 return os_date("!%Y-%m-%d", t);
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22 end
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24 local function datetime(t)
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25 return os_date("!%Y-%m-%dT%H:%M:%SZ", t);
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26 end
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28 local function time(t)
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29 return os_date("!%H:%M:%S", t);
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30 end
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32 local function legacy(t)
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33 return os_date("!%Y%m%dT%H:%M:%S", t);
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34 end
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35
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36 local function parse(s)
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37 if s then
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38 local year, month, day, hour, min, sec, tzd;
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39 year, month, day, hour, min, sec, tzd = s:match("^(%d%d%d%d)%-?(%d%d)%-?(%d%d)T(%d%d):(%d%d):(%d%d)%.?%d*([Z+%-]?.*)$");
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40 if year then
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41 local now = os_time();
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42 local time_offset = os_difftime(os_time(os_date("*t", now)), os_time(os_date("!*t", now))); -- to deal with local timezone
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43 local tzd_offset = 0;
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44 if tzd ~= "" and tzd ~= "Z" then
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45 local sign, h, m = tzd:match("([+%-])(%d%d):?(%d*)");
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46 if not sign then return; end
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47 if #m ~= 2 then m = "0"; end
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48 h, m = tonumber(h), tonumber(m);
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49 tzd_offset = h * 60 * 60 + m * 60;
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50 if sign == "-" then tzd_offset = -tzd_offset; end
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51 end
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52 sec = (sec + time_offset) - tzd_offset;
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53 return os_time({year=year, month=month, day=day, hour=hour, min=min, sec=sec, isdst=false});
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54 end
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55 end
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56 end
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57
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58 return {
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59 date = date;
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60 datetime = datetime;
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61 time = time;
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62 legacy = legacy;
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63 parse = parse;
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64 };