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Migrating a Site to Silverstripe
SilverStripe Forums » Migrating a Site to Silverstripe » WP blog has dates in URLs, and SS puts posts in a subdir
What you need to know when migrating your existing site to SilverStripe.
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WP blog has dates in URLs, and SS puts posts in a subdir
25 November 2010 at 9:28pm
Hey all,
I am planning to migrate to SilverStripe and the SilverStripe blog module. It will take time. The SilverStripe devs hooked me up by getting the wordpress importer working.
My issue:
I am currently using Wordpress. My WP blog has URLs with dates such as:
http://site/2010/11/25/some-postThere are a lot of links in Forums and other blogs that point to my blog and I don't want these links to be broken.
But I imported my WP posts into SS and SS does not have dates in the URL. Instead, SS seems to require that the blog be a subdir of the root, so the same blog on SS is this:
http://site/Myblog/some-postI want to implement a single piece of code to redirect
Proposed Solution
I need to implement the following logic:
IF PageNotFound
If Date is in URL (http://site/2010/11/26/some-post)
replace date portion of url (2010/11/26) with blogname (MyBlog)
redirect to new URL (http://site/blogname/some-post)
endif
endifI have some php code that implements this logic in a rudimentary fashion:
<?php
$blogname = "blog";
$url = $_SERVER[SCRIPT_NAME];
$slashcount = substr_count($url, '/');
if ($slashcount = 4) { // this if statement could be improved maybe using regex
$url = strrchr($url, "/");
}
header('Location: /' . $blogname . $url ) ;?>
Anyway, I think this solution would work for me. When someone clicks on a link, they would get the correct blog post.
What I need help with
It seems that SS has code to load to = "Page not found".If I knew where in the code to load "Page not found" was, I could probably make this change myself. Maybe I could learn something from how "Page not found" is loaded and do some similar saphire/silverstripe logic that is more elegant.
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Re: WP blog has dates in URLs, and SS puts posts in a subdir
16 December 2010 at 10:04pm
I think the easiest (and most performant) would be Redirect rules in your .htaccess (mod_rewrite), which is not application specific. You should be able to generate a list of old URLs with a SQL query.
If you want to get into SilverStripe routing, here's a couple of pointers to get you started:
in mysite/_config.php
Director::add_rules(99, array(
'2010/$Month/$Day/$Slug' => 'MyController',
'2009/$Month/$Day/$Slug' => 'MyController',
// ...
) ;Unfortunately SilverStripe routing doesn't support regexes, so you'll have to hardcode all years in there.
in mysite/code/MyController.php
class MyController {
function handleAction($request) {
// $request->param('Month') etc. can be used for querying
// ...
}
}You could also look into decorating ErrorPage with alternateFilepathForErrorcode() (which in your case would be the new URL rather than the file path). Problem is that you can't overrie the HTTP status code 404, even when the page content is served - not good for SEO.
BTW: There's a recipe about handling legacy URLs in the SilverStripe book
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Re: WP blog has dates in URLs, and SS puts posts in a subdir
2 March 2012 at 9:06am
Try this module to see if it fits your needs https://github.com/tractorcow/silverstripe-datelink
It's not properly documented yet, but you can customise the way that dates are formatted. Check out the comments in /code/DateLink.php
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