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mod_http_muc_log/README.markdown

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mod_http_muc_log/README.markdown @ 3581:dbc67120097f

mod_http_muc_log: Document optimization for storage modules lacking :dates API
author Kim Alvefur <zash@zash.se>
date Sun, 05 May 2019 14:05:00 +0200
parent 2589:89a3f049689f
child 3582:444e2306c99a
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1 ---
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2 labels:
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3 - 'Stage-Beta'
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4 summary: Provides a web interface to stored chatroom logs
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5 ...
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6
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7 Introduction
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8 ============
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9
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10 This module provides a built-in web interface to view chatroom logs
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11 stored by [mod\_mam\_muc].
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12
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13 Installation
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14 ============
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15
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16 Same as any other module, be sure to include the HTML template
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17 `http_muc_log.html` alongside `mod_http_muc_log.lua`.
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19 Configuration
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20 =============
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21
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22 For example:
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24 ``` lua
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25 Component "conference.example.com" "muc"
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26 modules_enabled = {
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27 "mam_muc";
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28 "http_muc_log";
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29 }
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30 storage = {
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31 muc_log = "sql"; -- for example
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32 }
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33 ```
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34
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35 The web interface would then be reachable at the address:
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36
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37 http://conference.example.com:5280/muc_log/
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38
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39 See [the page about Prosodys HTTP server][doc:http] for info about the
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40 address.
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41
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42 ## Styling
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43
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44 The default HTML template lives in `http_muc_log.html` in the same
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45 directory as the module, but can be changed by setting
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46 `http_muc_log_template` to point to a different file. The same template,
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47 with different input is used for every view.
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48
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49 The module uses [util.interpolation][doc:developers:util:interpolation]
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50 for rendering templates, with the pattern `"%b{}"` and HTML / XML
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51 escaping enabled.
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52
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53 ## Calendar optimization
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54
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55 The calendar view relies on an optional part of the Prosody archive
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56 storage API that provides a list of every valid date. If this is
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57 unavailable then the module queries for the first and the last messages
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58 and assumes that every date between those is valid. This may lead to
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59 many empty pages in case the logs are sparse.
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60
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61 This optimization can be turned off, to get a more accurate calendar
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62 view, but it will likely be very slow.
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63
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64 ``` {.lua}
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65 http_muc_log_lazy_calendar = false
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66 ```
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67
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68 Compatibility
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69 =============
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71 Requires Prosody 0.10 or above and a storage backend with support for
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72 stanza archives. See [mod\_storage\_muc\_log] for using legacy data from
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73 [mod\_muc\_log].