Added some models

User
Item
Department
Categorie
AssignmentLog
Room

db/migrate/20260521120102_create_categories.rb

@@ -0,0 +1,10 @@
+class CreateCategories < ActiveRecord::Migration[8.1]
+  def change
+    create_table :categories do |t|
+      t.string :name
+      t.text :description
+
+      t.timestamps
+    end
+  end
+end

db/migrate/20260521121137_create_departments.rb

@@ -0,0 +1,10 @@
+class CreateDepartments < ActiveRecord::Migration[8.1]
+  def change
+    create_table :departments do |t|
+      t.string :name
+      t.string :code
+
+      t.timestamps
+    end
+  end
+end

db/migrate/20260521124041_create_items.rb

@@ -0,0 +1,19 @@
+class CreateItems < ActiveRecord::Migration[8.1]
+  def change
+    create_table :items do |t|
+      t.string :name
+      t.string :sku
+      t.string :sticker_id
+      t.string :serial_number
+      t.decimal :price, precision: 8, scale: 2
+      t.text :notes
+      t.references :category, foreign_key: true
+      t.references :user, foreign_key: true
+      t.references :room, foreign_key: true
+
+      t.timestamps
+    end
+    add_index :items, :sticker_id, unique: true
+    add_index :items, :serial_number, unique: true
+  end
+end

db/migrate/20260521124606_create_assignment_logs.rb

@@ -0,0 +1,13 @@
+class CreateAssignmentLogs < ActiveRecord::Migration[8.1]
+  def change
+    create_table :assignment_logs do |t|
+      t.references :item, foreign_key: true
+      t.references :user, foreign_key: true
+      t.references :room, foreign_key: true
+      t.datetime :assigned_at
+      t.datetime :returned_at
+
+      t.timestamps
+    end
+  end
+end

db/migrate/20260521124755_add_details_to_users.rb

@@ -0,0 +1,9 @@
+class AddDetailsToUsers < ActiveRecord::Migration[7.1]
+  def change
+    add_column :users, :first_name, :string
+    add_column :users, :last_name, :string
+    
+    # WICHTIG: null: true erlaubt es, dass alte User erst einmal ohne Abteilung migriert werden
+    add_reference :users, :department, null: true, foreign_key: true
+  end
+end

db/migrate/20260521125254_create_rooms.rb

@@ -0,0 +1,11 @@
+class CreateRooms < ActiveRecord::Migration[8.1]
+  def change
+    create_table :rooms do |t|
+      t.string :name
+      t.string :building
+      t.string :floor
+
+      t.timestamps
+    end
+  end
+end