friendica/doc/translations.md

Friendica translations
======================

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## Overview

The Friendica translation process is based on `gettext` PO files.

Basic worflow:
1. `xgettext` is used to collect translation strings across the project in the authoritative PO file located in `view/lang/C/messages.po`.
2. This file makes translations strings available at [the Transifex Friendica page](https://www.transifex.com/Friendica/friendica/dashboard/).
3. The translation itself is done at Transifex by volunteers.
4. The resulting PO files by languages are manually updated in `view/lang/<language>/messages.po`.
5. PO files are converted to PHP arrays in `view/lang/<language>/strings.php` that are ultimately used by Friendica to display the translations.

## Translate Friendica in your favorite language

Thank you for your interest in improving Friendica's translation!
Please register a free Transifex account and ask over at [the Transifex Friendica page](https://www.transifex.com/Friendica/friendica/dashboard/) to join the translation team for your favorite language.

As a rule of thumb, we add support for a language in Friendica when at least 50% of the strings have been translated to avoid a scattered experience.
For addons, we add support for a language when if we already support the language in Friendica.

## Add new translation strings

### Core

Once you have added new translation strings in your code changes, please run `bin/run_xgettext.sh` from the base Friendica directory and commit the updated `view/lang/C/messages.po` to your branch.

### Addon

If you have the `friendica-addons` repository in the `addon` directory of your Friendica cloned repository, just run `bin/run_xgettext.sh -a <addon_name>` from the base Friendica directory.

Otherwise:

	cd /path/to/friendica-addons/<addon_name>
	/path/to/friendica/bin/run_xgettext.sh -s

In either case, you need to commit the updated `<addon_name>/lang/C/messages.po` to your working branch.

## Update translations from Transifex

Please download the Transifex file "for use" in `view/lang/<language>/messages.po`.

Then run `bin/console po2php view/lang/<language>/messages.po` to update the related `strings.php` file and commit both files to your working branch.

### Using the Transifex client

Transifex has a client program which allows you to sync files between your cloned Friendica repository and Transifex.
Help for the client can be found at the [Transifex Help Center](https://docs.transifex.com/client/introduction).
Here we will only cover basic usage.

After installation of the client, you should have a `tx` command available on your system.
To use it, first create a configuration file with your credentials.
On Linux this file should be placed into your home directory `~/.transifexrc`.
The content of the file should be something like the following:

    [https://www.transifex.com]
    username = user
    token =
    password = p@ssw0rd
    hostname = https://www.transifex.com

Since Friendica version 3.5.1 we ship configuration files for the Transifex client in the core repository and the addon repository in `.tx/config`.
To update the PO files after you have translated strings of e.g. Esperanto on the Transifex website you can use `tx` to download the updated PO file in the right location.

    $> tx pull -l eo

Then run `bin/console po2php view/lang/<language>/messages.po` to update the related `strings.php` file and commit both files to your working branch.

## Translation functions usage

### Basic usage

- `Friendica\DI::l10n()->t('Label')` => `Label`
- `Friendica\DI::l10n()->t('Label %s', 'test')` => `Label test`

### Plural

- `Friendica\DI::l10n()->tt('Label', 'Labels', 1)` => `Label`
- `Friendica\DI::l10n()->tt('Label', 'Labels', 3)` => `Labels`
- `Friendica\DI::l10n()->tt('%d Label', '%d Labels', 1)` => `1 Label`
- `Friendica\DI::l10n()->tt('%d Label', '%d Labels', 3)` => `3 Labels`
- `Friendica\DI::l10n()->tt('%d Label', 'Labels %2%s %3%s', 1, 'test', 'test2')` => `Label test test2`
- `Friendica\DI::l10n()->tt('%d Label', 'Labels %2%s %3%s', 3, 'test', 'test2')` => `Labels test test2`