Properly initially-shuffle shuffled playlists being migrated up; add descs to some older migrations.

src/Entity/Migration/Version20180608130900.php

@@ -6,7 +6,7 @@ use Doctrine\Migrations\AbstractMigration;
 use Doctrine\DBAL\Schema\Schema;
 
 /**
- * Based to Version20180506022642
+ * Add a custom "listen" URL for each mount point.
  */
 final class Version20180608130900 extends AbstractMigration
 {

src/Entity/Migration/Version20180716185805.php

@@ -6,7 +6,7 @@ use Doctrine\DBAL\Schema\Schema;
 use Doctrine\Migrations\AbstractMigration;
 
 /**
- * Auto-generated Migration: Please modify to your needs!
+ * Make media length an INT instead of SMALLINT for songs longer than 9 hours (!)
  */
 final class Version20180716185805 extends AbstractMigration
 {

src/Entity/Migration/Version20180818223558.php

@@ -6,7 +6,7 @@ use Doctrine\DBAL\Schema\Schema;
 use Doctrine\Migrations\AbstractMigration;
 
 /**
- * Auto-generated Migration: Please modify to your needs!
+ * Add per-station-configurable number of history items to be shown in the NowPlaying API.
  */
 final class Version20180818223558 extends AbstractMigration
 {

src/Entity/Migration/Version20180826011103.php

@@ -6,7 +6,7 @@ use Doctrine\DBAL\Schema\Schema;
 use Doctrine\Migrations\AbstractMigration;
 
 /**
- * Auto-generated Migration: Please modify to your needs!
+ * Update the index on song_history.
  */
 final class Version20180826011103 extends AbstractMigration
 {

src/Entity/Migration/Version20180826043500.php

@@ -6,7 +6,7 @@ use Doctrine\DBAL\Schema\Schema;
 use Doctrine\Migrations\AbstractMigration;
 
 /**
- * Auto-generated Migration: Please modify to your needs!
+ * Switch the collation of fields from "utf8mb4_unicode_ci" to "utf8mb4_general_ci" for case-insensitive searching.
  */
 final class Version20180826043500 extends AbstractMigration
 {

src/Entity/Migration/Version20180830003036.php

@@ -6,7 +6,7 @@ use Doctrine\DBAL\Schema\Schema;
 use Doctrine\Migrations\AbstractMigration;
 
 /**
- * Auto-generated Migration: Please modify to your needs!
+ * Move all playlists that were previously "random" into the new "shuffled" type.
  */
 final class Version20180830003036 extends AbstractMigration
 {

src/Entity/Migration/Version20180909035413.php

@@ -6,7 +6,7 @@ use Doctrine\DBAL\Schema\Schema;
 use Doctrine\Migrations\AbstractMigration;
 
 /**
- * Auto-generated Migration: Please modify to your needs!
+ * Create new dedicated table for remote relays.
  */
 final class Version20180909035413 extends AbstractMigration
 {

src/Entity/Migration/Version20180909060758.php

@@ -6,7 +6,7 @@ use Doctrine\DBAL\Schema\Schema;
 use Doctrine\Migrations\AbstractMigration;
 
 /**
- * Auto-generated Migration: Please modify to your needs!
+ * Remove remote_ fields from station_mounts as they're now in their own table.
  */
 final class Version20180909060758 extends AbstractMigration
 {

src/Entity/Migration/Version20180909174026.php

@@ -6,7 +6,7 @@ use Doctrine\DBAL\Schema\Schema;
 use Doctrine\Migrations\AbstractMigration;
 
 /**
- * Auto-generated Migration: Please modify to your needs!
+ * Add source_port, source_mount to station_remotes table
  */
 final class Version20180909174026 extends AbstractMigration
 {

src/Entity/Migration/Version20181016144143.php

@@ -0,0 +1,48 @@
+<?php declare(strict_types=1);
+
+namespace App\Entity\Migration;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+/**
+ * Manually re-shuffle any "shuffled" playlists via their weights in the DB.
+ */
+final class Version20181016144143 extends AbstractMigration
+{
+    public function up(Schema $schema) : void
+    {
+        // this up() migration is auto-generated, please modify it to your needs
+        $this->addSql('SELECT 1');
+    }
+
+    public function postUp(Schema $schema)
+    {
+        $shuffled_playlists = $this->connection->fetchAll('SELECT sp.* FROM station_playlists AS sp WHERE sp.playback_order = :order', [
+            'order' => 'shuffle'
+        ]);
+
+        foreach($shuffled_playlists as $playlist) {
+            $all_media = $this->connection->fetchAll('SELECT spm.* FROM station_playlist_media AS spm WHERE spm.playlist_id = :playlist_id ORDER BY RAND()', [
+                'playlist_id' => $playlist['id'],
+            ]);
+
+            $weight = 1;
+            foreach($all_media as $row) {
+                $this->connection->update('station_playlist_media', [
+                    'weight' => $weight,
+                ], [
+                    'id' => $row['id'],
+                ]);
+
+                $weight++;
+            }
+        }
+    }
+
+    public function down(Schema $schema) : void
+    {
+        // this down() migration is auto-generated, please modify it to your needs
+        $this->addSql('SELECT 1');
+    }
+}