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annotate mod_muc_markers/README.markdown @ 4249:64aa1d9d70ac

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mod_rest: Catch and log errors in callback promise chain From the code it looks like it should be possible to reply to an error stanza, but it did not. Turns out I was saved by my local developer mode module which throws errors if an attempt is made to create an errror reply to an error stanza. However nothing collects this error from the promise, so all I got was confusion.
author Kim Alvefur <zash@zash.se>
date Sun, 15 Nov 2020 16:25:49 +0100
parents 95882b487ed2
children 83f89ffe427b
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1 # Introduction
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3 This module adds an internal Prosody API to retrieve the last displayed message by MUC occupants.
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5 ## Requirements
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7 The clients must support XEP-0333, and the users to be tracked must be affiliated with the room.
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9 Currently due to lack of clarity about which id to use in acknowledgements in XEP-0333, this module
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10 rewrites the id attribute of stanzas to match the stanza (archive) id assigned by the MUC server.
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12 Oh yeah, and mod_muc_mam is required (or another module that adds a stanza-id), otherwise this module
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13 won't do anything.
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15 # Configuring
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17 ## Enabling
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19 ``` {.lua}
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20 Component "rooms.example.net" "muc"
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21 modules_enabled = {
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22 "muc_markers";
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23 "muc_mam";
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24 }
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25 ```
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27 ## Settings
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29 | Name | Description | Default |
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30 |-----------------|--------------------------------------------------------------|------------|
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31 | muc_marker_type | The type of marker to track (displayed/received/acknowledged)| "displayed"|
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33 # Developers
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35 ## Example usage
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37 ```
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38 local muc_markers = module:depends("muc_markers");
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40 function something()
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41 local last_displayed_id = muc_markers.get_user_read_marker("user@localhost", "room@conference.localhost");
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42 end
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43 ```