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Add note on custom localization in report templates (#371)

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Oliver
2022-10-21 19:20:17 +11:00
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@@ -75,6 +75,61 @@ Item: {{ item }}
!!! info "Conditionals"
Refer to the [django template language documentation](https://docs.djangoproject.com/en/dev/ref/templates/language/) for more information.
### Localization Issues
Depending on your localization scheme, inputting raw numbers into the formatting section template can cause some unintended issues. Consider the block below which specifies the page size for a rendered template:
```html
{% raw %}
<head>
<style>
@page {
size: {{ width }}mm {{ height }}mm;
margin: 0mm;
}
</style>
</head>
{% endraw %}
```
If localization settings on the InvenTree server use a comma (`,`) character as a decimal separator, this may produce an output like:
```html
{% raw %}
{% endraw %}
<head>
<style>
@page {
size: 57,3mm 99,0mm;
margin: 0mm;
}
</style>
</head>
```
The resulting `{% raw %}<style>{% endraw %}` CSS block will be *invalid*!
So, if you are writing a template which has custom formatting, (or any other sections which cannot handle comma decimal separators) you must wrap that section in a `{% raw %}{% localize off %}{% endraw %}` block:
```html
{% raw %}
<head>
<style>
@page {
{% localize off %}
size: {{ width }}mm {{ height }}mm;
{% endlocalize %}
margin: 0mm;
}
</style>
</head>
{% endraw %}
```
!!! tip "Close it out"
Don't forget to end with a `{% raw %}{% endlocalize %}{% endraw %}` tag!
## Report Types
InvenTree supports the following reporting functionality: