Added validateMigrationDependencies helper method to BaseSeed

Author: lcharette

CHANGELOG.md

@@ -11,6 +11,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 - `sprinkle:list` bakery command
 - `NoCache` middleware to prevent caching of routes with dynamic content
 - Sample test environment for Docker
+- Added `validateMigrationDependencies` helper method to `BaseSeed`
 
 ### Changed
 - Sprinkle list in the bakery `debug` command to uses the new `sprinkle:list` table

app/sprinkles/core/src/Database/Seeder/BaseSeed.php

@@ -34,6 +34,35 @@ public function __construct(ContainerInterface $ci)
         $this->ci = $ci;
     }
 
+    /**
+     * Validate if a specific set of migrations have been ran
+     *
+     * @param  string|array $migrations List of migraiton or specific migration required
+     * @throws \Exception   If dependent migration is not available
+     * @return bool         True on success
+     */
+    protected function validateMigrationDependencies($migrations)
+    {
+        if (!is_array($migrations)) {
+            $migrations = [$migrations];
+        }
+
+        /** @var \UserFrosting\Sprinkle\Core\Database\Migrator\Migrator; */
+        $migrator = $this->ci->migrator;
+
+        // Get ran migrations list
+        $ranMigrations = $migrator->getRepository()->getMigrationsList();
+
+        // Make sure required migrations are in the ran list. Throw exception if it isn't.
+        foreach ($migrations as $migration) {
+            if (!in_array($migration, $ranMigrations)) {
+                throw new \Exception("Migration `$migration` doesn't appear to have been run!");
+            }
+        }
+
+        return true;
+    }
+
     /**
      * Function used to execute the seed
      */