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Adds support for session storage in Mongo. #714

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Merged
0xdeadbeefc0ffee merged 6 commits into from
Aug 21, 2015
Merged

Adds support for session storage in Mongo. #714

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7d54748
Merge branch 'issue/mongo_sessions' into issue/mongo_sessions2
ryasmi Aug 13, 2015
a04d0aa
Merge branch 'issue/mongo_sessions2' of github.com:LearningLocker/lea…
ryasmi Aug 17, 2015
ef672ed
Improves performance of migration.
ryasmi Aug 17, 2015
c60cd97
Updates test script.
ryasmi Aug 19, 2015
96c1529
Corrects syntax.
ryasmi Aug 19, 2015
40f1bbb
Corrects test script.
ryasmi Aug 19, 2015
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93 changes: 43 additions & 50 deletions app/database/migrations/2015_08_12_150203_ConsistentForeignKeyNames.php
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Original file line number Diff line number Diff line change
Expand Up @@ -5,63 +5,56 @@
class ConsistentForeignKeyNames extends Migration {

public function up() {
$this->chunkKeyRenaming(new DocumentAPI, 'lrs', 'lrs_id');
$this->chunkKeyRenaming(new Statement, 'lrs._id', 'lrs_id');
$this->chunkKeyRenaming(new Lrs, 'owner._id', 'owner_id');
$this->chunkKeyRenaming(new Report, 'lrs', 'lrs_id');
$this->chunkKeyRenaming(new Export, 'lrs', 'lrs_id');
}

public function down() {
$this->chunkMongoIdRemoval(new DocumentAPI, 'lrs', 'lrs_id');
$this->chunkMongoIdRemoval(new Statement, 'lrs._id', 'lrs_id');
$this->chunkMongoIdRemoval(new Lrs, 'owner._id', 'owner_id');
$this->chunkMongoIdRemoval(new Report, 'lrs', 'lrs_id');
$this->chunkMongoIdRemoval(new Export, 'lrs', 'lrs_id');
}
$db = \DB::getMongoDB();

private function chunkKeyRenaming($model, $old_name, $new_name) {
$this->chunkModelMigration($model, $this->renameKey($old_name, $new_name));
}
Lrs::get()->each(function (Lrs $lrs) use ($db) {
$convertToMongoId = function ($value) {
return new \MongoId($value);
};
$this->changeForeignKey($db->statements, 'lrs._id', 'lrs_id', $lrs->_id, $convertToMongoId);
$this->changeForeignKey($db->documentapi, 'lrs', 'lrs_id', $lrs->_id, $convertToMongoId);
$this->changeForeignKey($db->reports, 'lrs', 'lrs_id', $lrs->_id, $convertToMongoId);
$this->changeForeignKey($db->exports, 'lrs', 'lrs_id', $lrs->_id, $convertToMongoId);

private function chunkMongoIdRemoval($model, $old_name, $new_name) {
$this->chunkModelMigration($model, $this->removeMongoId($old_name, $new_name));
}
$lrs->owner_id = $convertToMongoId($lrs->owner['_id']);
$lrs->save();

private function removeMongoId($old_name, $new_name) {
return function ($model) use ($old_name, $new_name) {
$value = $model->$new_name;
$model = $this->setKey($model, explode('.', $old_name), 0, (string) $value);
$model->save();
};
}
echo 'Models for "'.$lrs->title.'" converted.'.PHP_EOL;
});

private function setKey($model, $keys, $key_index, $value) {
if ($key_index < count($keys) - 1) {
$model->{$keys[$key_index]} = (object) [];
$this->setKey($model->{$keys[$key_index]}, $keys, $key_index + 1, $value);
} else {
$model->{$keys[$key_index]} = $value;
}
return $model;
}
echo 'All finished, hopefully!'.PHP_EOL;
}

private function renameKey($old_name, $new_name) {
return function ($model) use ($old_name, $new_name) {
$value = array_reduce(explode('.', $old_name), function ($value, $key) {
return is_object($value) ? $value->{$key} : $value[$key];
}, $model);
$model->$new_name = new \MongoId($value);
$model->save();
};
private function changeForeignKey($collection, $old_key, $new_key, $old_value, $modifier) {
$collection->update([
$old_key => $old_value
], [
'$set' => [
$new_key => $modifier($old_value)
]
], [
'multiple' => true
]);
}

private function chunkModelMigration($model, Callable $migration) {
$model->chunk(1000, function ($models) use ($migration) {
foreach ($models as $model){
$migration($model);
}
echo count($models) . ' converted.'.PHP_EOL;
public function down() {
$db = \DB::getMongoDB();

Lrs::get()->each(function (Lrs $lrs) use ($db) {
$convertToString = function ($value) {
return (string) $value;
};
$this->changeForeignKey($db->statements, 'lrs_id', 'lrs._id', $lrs->_id, $convertToString);
$this->changeForeignKey($db->documentapi, 'lrs_id', 'lrs', $lrs->_id, $convertToString);
$this->changeForeignKey($db->reports, 'lrs_id', 'lrs', $lrs->_id, $convertToString);
$this->changeForeignKey($db->exports, 'lrs_id', 'lrs', $lrs->_id, $convertToString);

$lrs->owner = [
'_id' => $convertToString($lrs->owner_id)
];
$lrs->save();

echo 'Models for "'.$lrs->title.'" converted.'.PHP_EOL;
});

echo 'All finished, hopefully!'.PHP_EOL;
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2 changes: 1 addition & 1 deletion test.sh
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Expand Up @@ -13,7 +13,7 @@ if [ "${DEVELOP}" = "${TRAVIS_BRANCH}" ]; then
mongo ll_staging --eval 'db.users.insert({"name" : "Test User", "email" : "test@example.com", "verified" : "yes", "role" : "super", "password" : "$2y$10$MKDC2thihULF3fNuVj.DyORidVd.airmxZicEcSrpNQRsJMX3ZGBW"})'

# Creates a new LRS.
mongo ll_staging --eval 'db.lrs.insert({"title" : "Conformance", "description" : "", "owner" : { "_id" : db.users.find()[0]._id}})'
mongo ll_staging --eval 'db.lrs.insert({"title" : "Conformance", "description" : "", "owner_id" : db.users.find()[0]._id})'

# Creates a new Client.
mongo ll_staging --eval 'db.client.insert({"api" : { "basic_key" : "1484c2ac05269b8c5479a1dd6a0d6370991fd6a1", "basic_secret" : "f0ef3d8062805c0fc1675beb8ac0715c75df13cb" }, "lrs_id" : db.lrs.find()[0]._id, "authority" : { "name" : "New Client", "mbox" : "mailto:hello@learninglocker.net" }, "scopes" : [ "all" ]})'
Expand Down