diff --git a/.gitignore b/.gitignore
index 2dccac6..a73e11a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,4 +4,7 @@ Homestead.json
 Homestead.yaml
 .env
 /public/docs
-/resources/docs
\ No newline at end of file
+/resources/docs
+
+composer.lock
+composer.phar
diff --git a/app/Container.php b/app/Container.php
index c075725..5745d2c 100644
--- a/app/Container.php
+++ b/app/Container.php
@@ -13,7 +13,7 @@ class Container extends Model
      * @var array
      */
     protected $fillable = [
-        'cid'
+        'cid', 'name'
     ];
 
     /**
@@ -22,4 +22,4 @@ class Container extends Model
      * @var array
      */
     protected $hidden = [];
-}
\ No newline at end of file
+}
diff --git a/app/Event.php b/app/Event.php
index c249f79..9369a8c 100644
--- a/app/Event.php
+++ b/app/Event.php
@@ -13,7 +13,7 @@ class Event extends Model
      * @var array
      */
     protected $fillable = [
-        'eid', 'name', 'short_name'
+        'eid', 'name', 'slug', 'begin', 'end', 'pre_begin', 'post_end'
     ];
 
     /**
@@ -22,4 +22,4 @@ class Event extends Model
      * @var array
      */
     protected $hidden = [];
-}
\ No newline at end of file
+}
diff --git a/app/File.php b/app/File.php
new file mode 100644
index 0000000..1fdca8e
--- /dev/null
+++ b/app/File.php
@@ -0,0 +1,25 @@
+<?php
+
+namespace App;
+
+use Illuminate\Database\Eloquent\Model;
+
+class File extends Model
+{
+
+    /**
+     * The attributes that are mass assignable.
+     *
+     * @var array
+     */
+    protected $fillable = [
+        'hash', 'iid'
+    ];
+
+    /**
+     * The attributes excluded from the model's JSON form.
+     *
+     * @var array
+     */
+    protected $hidden = [];
+}
diff --git a/app/Item.php b/app/Item.php
index 4c73966..23324f2 100644
--- a/app/Item.php
+++ b/app/Item.php
@@ -3,17 +3,19 @@
 namespace App;
 
 use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\SoftDeletes;
 
 class Item extends Model
 {
 
+    use SoftDeletes;
     /**
      * The attributes that are mass assignable.
      *
      * @var array
      */
     protected $fillable = [
-        'iid', 'bezeichnung', 'wann', 'wo', 'eid', 'cid'
+        'iid', 'item_uid', 'bezeichnung', 'wann', 'wo', 'eid', 'cid'
     ];
 
     /**
@@ -22,4 +24,4 @@ class Item extends Model
      * @var array
      */
     protected $hidden = [];
-}
\ No newline at end of file
+}
diff --git a/app/Providers/AppServiceProvider.php b/app/Providers/AppServiceProvider.php
index ddec046..aed4ab5 100644
--- a/app/Providers/AppServiceProvider.php
+++ b/app/Providers/AppServiceProvider.php
@@ -4,6 +4,8 @@ namespace App\Providers;
 
 use Illuminate\Support\ServiceProvider;
 
+use Illuminate\Support\Facades\Schema;
+
 class AppServiceProvider extends ServiceProvider
 {
     /**
@@ -15,4 +17,9 @@ class AppServiceProvider extends ServiceProvider
     {
         //
     }
+
+    public function boot()
+    {
+        Schema::defaultStringLength(191);
+    }
 }
diff --git a/database/migrations/2019_11_14_213133_create_events_table.php b/database/migrations/2019_11_14_213133_create_events_table.php
index 9725c2d..7c0d7cc 100644
--- a/database/migrations/2019_11_14_213133_create_events_table.php
+++ b/database/migrations/2019_11_14_213133_create_events_table.php
@@ -14,10 +14,18 @@ class CreateEventsTable extends Migration
     public function up()
     {
         Schema::create('events', function (Blueprint $table) {
+            $table->charset = 'utf8';
+            $table->collation = 'utf8_unicode_ci';
             $table->bigIncrements('eid');
             $table->string('name');
-            $table->string('short_name');
+            $table->string('slug');
             $table->timestamps();
+            $table->timestamp('start')->nullable();
+            $table->timestamp('end')->nullable();
+            $table->timestamp('pre_start')->nullable();
+            $table->timestamp('post_end')->nullable();
+
+            $table->unique('slug','uslug');
         });
     }
 
diff --git a/database/migrations/2019_11_14_214212_create_containers_table.php b/database/migrations/2019_11_14_214212_create_containers_table.php
index e77c946..2ee7e5a 100644
--- a/database/migrations/2019_11_14_214212_create_containers_table.php
+++ b/database/migrations/2019_11_14_214212_create_containers_table.php
@@ -15,6 +15,7 @@ class CreateContainersTable extends Migration
     {
         Schema::create('containers', function (Blueprint $table) {
             $table->bigIncrements('cid');
+            $table->string('name');
             $table->timestamps();
         });
     }
diff --git a/database/migrations/2019_11_14_232911_create_items_table.php b/database/migrations/2019_11_14_232911_create_items_table.php
index d017f2d..164ecd1 100644
--- a/database/migrations/2019_11_14_232911_create_items_table.php
+++ b/database/migrations/2019_11_14_232911_create_items_table.php
@@ -15,12 +15,16 @@ class CreateItemsTable extends Migration
     {
         Schema::create('items', function (Blueprint $table) {
             $table->bigIncrements('iid');
+            $table->unsignedBigInteger('item_uid');
             $table->string('bezeichnung');
-            $table->string('wann');
+            $table->timestamp('wann');
             $table->string('wo');
             $table->unsignedBigInteger('eid');
             $table->unsignedBigInteger('cid');
             $table->timestamps();
+            $table->softDeletes();
+
+            $table->unique(['eid', 'item_uid']);
 
             $table->foreign('eid')->references('eid')->on('events');
             $table->foreign('cid')->references('cid')->on('containers');
diff --git a/database/migrations/2019_11_28_035156_create_files_table.php b/database/migrations/2019_11_28_035156_create_files_table.php
new file mode 100644
index 0000000..e5da094
--- /dev/null
+++ b/database/migrations/2019_11_28_035156_create_files_table.php
@@ -0,0 +1,37 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class CreateFilesTable extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::create('files', function (Blueprint $table) {
+            $table->bigIncrements('id');
+            $table->timestamps();
+
+            $table->unsignedBigInteger('iid');
+            $table->string('hash');
+
+
+            $table->foreign('iid')->references('iid')->on('items');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::dropIfExists('file');
+    }
+}