QUESTION How to update Sitemap + suggestions

QUESTION How to update Sitemap + suggestions - Printable Version

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How to update Sitemap + suggestions - morvy - 2017-12-01

Hello guys,

I have a "plugin" that uses a lot of hacks in the template, so not really a fully standalone plugin. It's sort of catalog that uses SQLite database with remote API (syncing between 3 websites with webhooks).

First problem is, that maybe I did it really wrong, because I inject all content under "catalog" slug, so all subpages return this slug, even if the url is /catalog/category/subcategory/item .. Don't know if this can be done better than just injecting my data into data_index in "index-posttemplate" and some htaccess magic..

Secondly, I need to also generate sitemap for this catalog and I need to update it when webhook fires (aka content is added/removed so category/item is modified/added/removed).

Could you please help me with this?

RE: How to update Sitemap + suggestions - Bigin - 2017-12-01

Hi morvy,

I think that there is nothing intrinsically wrong with using "data_index" filter to injecting your data.

Not sure if it helps, but you can also inject other page data into "data_index", such as url (slug) or meta description.
And yes, native GS rewrite rule is not very flexible to use it for dynamic or "fake" URL structures you're using. I always prefer to change this rule to something more flexible, such as:

Code:
RewriteRule ^(.*)$ index.php?id=$1 [L,QSA]

This rule gives you definitively more control over the entire URL or path. Next, what you might do is to create a simple "Router" plugin, that could make it really easier for you to access the "URL segments" (I call "segments" the parts of a URL delimited by slashes /catalog/category/subcategory/etc).
Take a look at this example: it's better to install it as a plugin, so you can play with (Also be sure to change the rewrite rule like I pointed out before, otherwise it wouldn't work):

https://gist.github.com/bigin/0395fb4f3cc4ac73967c085cf8ba62b4

I didn't quite understand your second question, are you looking for a function to generate a sitemap or just an approach to trigger a sitemap-script when the web hook fires?

Hmmm... to create a sitemap I would probably go another way and generate the sitemap.xml dynamically, and only if it is called by the robots, instead of re-generating a physical file with every hook. However, for this you have to write your own script. Funny, then you could probably just extend the script from above a little bit to trigger the generator function with following code:

Code:
if($input->urlSegments->get(0) == 'sitemap.xml') {

    header("Content-Type: text/xml");

    echo renderSitemapXML();

}

of course, the sitemap.xml file must not be physically located in the directory, because it will then preferred by this one rule:

Code:
RewriteCond %{REQUEST_FILENAME} !-f

Hope that this helps you a bit.