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Improve script fix_duplicates.php's comments
This commit is contained in:
Diogo Cordeiro
2020-08-04 05:10:11 +01:00
parent ebf5efe9f2
commit 8ad928d48d
2 changed files with 48 additions and 13 deletions
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30
modules/TheFreeNetwork/scripts/fix_duplicates.php
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@@ -41,11 +41,15 @@ require_once INSTALLDIR . '/scripts/commandline.inc';
/**
* Remote profiles are inspected from the most to the least
* relevant according to the protocols they belong.
* Doing so while maintaing a global 'seen' array makes it
* Invariants:
* - `seen_local` array: The most recent profile inside of a certain protocol
* - global `seen` array: The most relevant profile (if there were duplicates, the first protocol of the list is the one to have its profile maintained)
* We do so while maintaining a global 'seen' array makes it
* easy to satisfy a policy of maintaining only the duplicated
* profiles that are either the most relevant or the newest
* ones intra-protocol wise.
*/
function run(): void
{
$protocols = common_config('TheFreeNetworkModule', 'protocols');
@@ -73,38 +77,38 @@ function fix_duplicates(string $profile_class, array &$seen): void
$id = $db->profile_id;
$uri = $db->uri;
// have we seen this profile before?
// Have we seen this profile before?
if (array_key_exists($uri, $seen)) {
// yes, mantain previous
// Was it on a previous protocol? Keep the highest preference protocol's one
if ($seen[$uri] !== $id) {
printfv("Deleting Profile with id = {$id}");
printfv("Deleting Profile with id = {$id}\n");
$profile = Profile::getKV('id', $id);
$profile->delete(); // will propagate to federation profile classes
$profile->delete();
} else {
printfv("Deleting {$profile_class} with id = {$id}");
printfv("Deleting {$profile_class} with id = {$id}\n");
$profile = $profile_class::getKV('profile_id', $id);
$profile->delete();
}
} elseif (array_key_exists($uri, $seen_local)) {
// yes, mantain current
// Was it in this protocol? Delete the older record.
if ($seen_local[$uri] !== $id) {
printfv("Deleting Profile with id = {$id}");
printfv("Deleting Profile with id = {$seen_local[$uri]}\n");
$profile = Profile::getKV('id', $seen_local[$uri]);
$profile->delete(); // will propagate to federation profile classes
$profile->delete();
} else {
printfv("Deleting {$profile_class} with id = {$seen_local[$uri]}");
printfv("Deleting {$profile_class} with id = {$seen_local[$uri]}\n");
$profile = $profile_class::getKV('profile_id', $seen_local[$uri]);
$profile->delete();
}
// Update the profile id for this URI.
$seen_local[$uri] = $id;
} else {
// no, save it
// It's the first time we see this profile _inside_ this protocol!
$seen_local[$uri] = $id;
}
}
// save valid local profiles
// Merge the findings inside this protocol with the global seen to be used on the next protocol of the list.
$seen = array_merge($seen, $seen_local);
}