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whatsapp-mattermost

Converts a Whatsapp chat into Matterpost posts. It is a quick-and-dirty try, feel free to enhance it.

  1. Export the Whatsapp chat with media to a filesystem, which this tool can reach. The chat content will be stored as text file together with the media into a folder.

  2. Before you can execute the tool, you have to setup the user/phone list for the current Whatsapp chat.

cd whatsapp-mappermost
vim ./src/convert.php

Add new user mapping at line 21:

$user->add("my Whatsapp user", "my Mattermost user");
$user->add("another Whatsapp user", "another Mattermost user");

The Whatsapp user name you can find within the exported text file of the chat.

  1. Often you refer some other chat members within a Whatsapp post by the "@" sign. These references are made by the telephone number of the referenced user. So you have to add all the telephone numbers of the chat members at line 26:
$phone->add("491635552056", "my Mattermost user");
$phone->add("491635552057", "another Mattermost user");

You have to look into the Whatsapp chat, how the telephone numbers are used there. Within my chats they start with the contry code (49), followed by the net code (163), followed by the user number (5552056). Add the numbers exactly as defined within the chat export.

  1. Change the Mattermost team name and channel name at line 28 and modify the path the Whatsapp chat on line 29.

  2. Change the destination path for the data.json file, which the converter will generate at line 31.

  3. Execute the tool with

cd whatsapp-mattermost
composer install
php ./src/convert.php

It writes some hints into the error log and stops on an error like "unknown user" or "unknown telephone number". Correct the errors within ./src/convert.php and try it again.

Emojis

Mattermost uses others Emoji names as Whatsapp. Within the Whatsapp chat you can find Emojis as Unicode character sequence. A lot of Emoji mappings you can already find within the class WhatsAppEmojiMap.

If your chat contains unmapped Emojis, you can use the error log of this tool (there you can see the Unicode sequence) and compare the associated Whatsapp image of the Emoji with the Mattermost Emoji images to find the :emoji-name:. Then add a new mapping like in WhatsAppEmojiMap and restart the converter tool.