diff --git a/README.md b/README.md
index eba681c..741bb04 100644
--- a/README.md
+++ b/README.md
@@ -34,4 +34,7 @@ coss-side-scripting disabled
 sail exec laravel.test php artisan migrate:refresh --seed
 
 ## ChatGPT
-see ChatGPT folder
\ No newline at end of file
+see ChatGPT folder
+
+#### Challenges
+Convention, due to given database. Could be easier
\ No newline at end of file
diff --git a/device-app/app/Http/Controllers/DeviceController.php b/device-app/app/Http/Controllers/DeviceController.php
index d138133..19a1a84 100644
--- a/device-app/app/Http/Controllers/DeviceController.php
+++ b/device-app/app/Http/Controllers/DeviceController.php
@@ -22,7 +22,6 @@ public function create(){
 
     public function store(Request $request){
         $formFields = $request->validate([
-            'device_id' => ['required', Rule::unique('devices', 'device_id')],
             'title' => 'required',
             'device_type' => 'required',
             'description' => 'required',
@@ -43,7 +42,6 @@ public function edit(Device $device) {
 
     public function update(Device $device, Request $request){
         $formFields = $request->validate([
-            'device_id' => 'required',
             'title' => 'required',
             'device_type' => 'required',
             'description' => 'required',
diff --git a/device-app/app/Http/Controllers/LocationTransactionController.php b/device-app/app/Http/Controllers/LocationTransactionController.php
new file mode 100644
index 0000000..b40be93
--- /dev/null
+++ b/device-app/app/Http/Controllers/LocationTransactionController.php
@@ -0,0 +1,51 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use App\Models\Device;
+use Illuminate\Http\Request;
+use App\Models\LocationTransaction;
+
+class LocationTransactionController extends Controller
+{
+    public function create(Device $device)
+    {
+        return view('locations.create', ['device' => $device]);
+    }
+
+    public function store(Device $device, Request $request)
+    {
+        $formFields = $request->validate([
+            'room_code' => 'required',
+            'timestamp_located_since' => 'required'
+        ]);
+
+        $formFields['device_id'] = $device->device_id;
+        LocationTransaction::create($formFields);
+
+        return redirect('/');
+    }
+
+    public function edit(LocationTransaction $location)
+    {
+        return view('locations.edit', ['location' => $location]);
+    }
+
+    public function update(LocationTransaction $location, Request $request)
+    {
+        $formFields = $request->validate([
+            'room_code' => 'required',
+            'timestamp_located_since' => 'required'
+        ]);
+
+        $location->update($formFields);
+
+        return redirect('/');
+    }
+
+    public function destroy(LocationTransaction $location)
+    {
+        $location->delete();
+        return back();
+    }
+}
diff --git a/device-app/app/Http/Controllers/OwnerTransactionController.php b/device-app/app/Http/Controllers/OwnerTransactionController.php
new file mode 100644
index 0000000..60198fa
--- /dev/null
+++ b/device-app/app/Http/Controllers/OwnerTransactionController.php
@@ -0,0 +1,51 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use App\Models\Device;
+use App\Models\OwnerTransaction;
+use Illuminate\Http\Request;
+
+class OwnerTransactionController extends Controller
+{
+    public function create(Device $device)
+    {
+        return view('owners.create', ['device' => $device]);
+    }
+
+    public function store(Device $device, Request $request)
+    {
+        $formFields = $request->validate([
+            'rz_username' => 'required',
+            'timestamp_owner_since' => 'required'
+        ]);
+
+        $formFields['device_id'] = $device->device_id;
+        OwnerTransaction::create($formFields);
+
+        return redirect('/');
+    }
+
+    public function edit(OwnerTransaction $owner)
+    {
+        return view('owners.edit', ['owner' => $owner]);
+    }
+
+    public function update(OwnerTransaction $owner, Request $request)
+    {
+        $formFields = $request->validate([
+            'rz_username' => 'required',
+            'timestamp_owner_since' => 'required'
+        ]);
+
+        $owner->update($formFields);
+
+        return redirect('/');
+    }
+
+    public function destroy(OwnerTransaction $owner)
+    {
+        $owner->delete();
+        return back();
+    }
+}
diff --git a/device-app/app/Http/Controllers/PurchasingInformationController.php b/device-app/app/Http/Controllers/PurchasingInformationController.php
new file mode 100644
index 0000000..0602f3b
--- /dev/null
+++ b/device-app/app/Http/Controllers/PurchasingInformationController.php
@@ -0,0 +1,54 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use App\Models\Device;
+use App\Models\PurchasingInformation;
+use Illuminate\Http\Request;
+
+class PurchasingInformationController extends Controller
+{
+    public function create()
+    {
+        return view('purchasings.create');
+    }
+
+    public function store(Request $request)
+    {
+        $formFields = $request->validate([
+            'price' => 'required',
+            'timestamp_warranty_end' => 'required',
+            'timestamp_purchase' => 'required',
+            'cost_centre' => 'required',
+        ]);
+
+        PurchasingInformation::create($formFields);
+
+        return redirect('/');
+    }
+
+    public function edit(Device $device)
+    {
+        return view('purchasings.edit', ['purchasing' => $device->purchasing]);
+    }
+
+    public function update(Device $device, Request $request)
+    {
+        $formFields = $request->validate([
+            'price' => 'required',
+            'timestamp_warranty_end' => 'required',
+            'timestamp_purchase' => 'required',
+            'cost_centre' => 'required',
+        ]);
+
+        $device->purchasing->update($formFields);
+
+        return redirect('/');
+    }
+
+    public function destroy(PurchasingInformation $purchasing)
+    {
+        $purchasing->delete();
+        return back();
+    }
+}
diff --git a/device-app/app/Models/Device.php b/device-app/app/Models/Device.php
index bb38700..a058e48 100644
--- a/device-app/app/Models/Device.php
+++ b/device-app/app/Models/Device.php
@@ -2,12 +2,24 @@
 
 namespace App\Models;
 
-use Illuminate\Database\Eloquent\Factories\HasFactory;
+use App\Models\OwnerTransaction;
+use App\Models\LocationTransaction;
+use App\Models\PurchasingInformation;
+use Illuminate\Database\Eloquent\Concerns\HasUuids;
 use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+use Illuminate\Database\Eloquent\Relations\HasOne;
 
 class Device extends Model
 {
-    use HasFactory;
+    use HasFactory, HasUuids;
+
+    /**
+     * The table associated with the model.
+     * @var string
+     */
+    protected $table = 'devices';
 
     /**
      * The primary key associated with the devices table.
@@ -20,8 +32,22 @@ class Device extends Model
      *
      * @var array<int, string>
      */
-    protected $fillable = ['device_id', 'title', 'device_type', 'description', 'accessories', 'rz_username_buyer', 'serial_number', 'image_url'];
+    protected $fillable = [/* 'device_id',  */'title', 'device_type', 'description', 'accessories', 'rz_username_buyer', 'serial_number', 'image_url'];
 
+    //The data type of the auto-incrementing ID.
+    protected $keyType = 'string';
     //Timestamps are disabled.
     public $timestamps = false;
+
+    public function owners(): HasMany {
+        return $this->hasMany(OwnerTransaction::class, 'device_id', 'device_id');
+    }
+
+    public function locations(): HasMany {
+        return $this->hasMany(LocationTransaction::class, 'device_id', 'device_id');
+    }
+
+    public function purchasing(): HasOne {
+        return $this->hasOne(PurchasingInformation::class, 'device_id', 'device_id');
+    }
 }
\ No newline at end of file
diff --git a/device-app/app/Models/LocationTransaction.php b/device-app/app/Models/LocationTransaction.php
new file mode 100644
index 0000000..6b24231
--- /dev/null
+++ b/device-app/app/Models/LocationTransaction.php
@@ -0,0 +1,40 @@
+<?php
+
+namespace App\Models;
+
+use App\Models\Device;
+use Illuminate\Database\Eloquent\Concerns\HasUuids;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+class LocationTransaction extends Model
+{
+    use HasFactory, HasUuids;
+
+    /**
+     * The table associated with the model.
+     * @var string
+     */
+    protected $table = 'location_transactions';
+
+    /**
+     * The primary key associated with the devices table.
+     * @var string
+     */
+    protected $primaryKey = 'location_transaction_id';
+
+    /**
+     * The attributes that are mass assignable.
+     *
+     * @var array<int, string>
+     */
+    protected $fillable = ['location_transaction_id', 'room_code', 'timestamp_located_since', 'device_id'];
+
+    public function device(): BelongsTo {
+        return $this->belongsTo(Device::class, 'device_id', 'device_id');
+    }
+
+    //Timestamps are disabled.
+    public $timestamps = false;
+}
\ No newline at end of file
diff --git a/device-app/app/Models/OwnerTransaction.php b/device-app/app/Models/OwnerTransaction.php
new file mode 100644
index 0000000..c78cdc1
--- /dev/null
+++ b/device-app/app/Models/OwnerTransaction.php
@@ -0,0 +1,40 @@
+<?php
+
+namespace App\Models;
+
+use App\Models\Device;
+use Illuminate\Database\Eloquent\Concerns\HasUuids;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+class OwnerTransaction extends Model
+{
+    use HasFactory, HasUuids;
+
+    /**
+     * The table associated with the model.
+     * @var string
+     */
+    protected $table = 'owner_transactions';
+
+    /**
+     * The primary key associated with the devices table.
+     * @var string
+     */
+    protected $primaryKey = 'owner_transaction_id';
+
+    /**
+     * The attributes that are mass assignable.
+     *
+     * @var array<int, string>
+     */
+    protected $fillable = ['owner_transaction_id', 'rz_username', 'timestamp_owner_since', 'device_id'];
+
+    public function device(): BelongsTo {
+        return $this->belongsTo(Device::class, 'device_id', 'device_id');
+    }
+
+    //Timestamps are disabled.
+    public $timestamps = false;
+}
diff --git a/device-app/app/Models/PurchasingInformation.php b/device-app/app/Models/PurchasingInformation.php
new file mode 100644
index 0000000..0e23e01
--- /dev/null
+++ b/device-app/app/Models/PurchasingInformation.php
@@ -0,0 +1,39 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Concerns\HasUuids;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+class PurchasingInformation extends Model
+{
+    use HasFactory, HasUuids;
+
+    /**
+     * The table associated with the model.
+     * @var string
+     */
+    protected $table = 'purchasing_information';
+
+    /**
+     * The primary key associated with the devices table.
+     * @var string
+     */
+    protected $primaryKey = 'purchasing_information_id';
+
+    /**
+     * The attributes that are mass assignable.
+     *
+     * @var array<int, string>
+     */
+    protected $fillable = ['purchasing_information_id', 'price', 'timestamp_warranty_end', 'timestamp_purchase', 'cost_centre', 'seller', 'device_id'];
+
+    public function device(): BelongsTo {
+        return $this->belongsTo(Device::class, 'device_id', 'device_id');
+    }
+
+    //Timestamps are disabled.
+    public $timestamps = false;
+}
diff --git a/device-app/app/Models/User.php b/device-app/app/Models/User.php
index d191d05..e388ac9 100644
--- a/device-app/app/Models/User.php
+++ b/device-app/app/Models/User.php
@@ -12,6 +12,12 @@ class User extends Authenticatable
 {
     use HasApiTokens, HasFactory, Notifiable;
 
+    /**
+     * The table associated with the model.
+     * @var string
+     */
+    protected $table = 'users';
+
     /**
      * The primary key associated with the users table.
      * @var string
@@ -31,6 +37,8 @@ class User extends Authenticatable
         'hashed_password'
     ];
 
+    //ID is not auto-incrementing.
+    public $incrementing = false;
     //Timestamps are disabled.
     public $timestamps = false;
 
diff --git a/device-app/app/View/Components/DeviceDetail.php b/device-app/app/View/Components/DeviceDetail.php
new file mode 100644
index 0000000..42e93ad
--- /dev/null
+++ b/device-app/app/View/Components/DeviceDetail.php
@@ -0,0 +1,26 @@
+<?php
+
+namespace App\View\Components;
+
+use Closure;
+use Illuminate\Contracts\View\View;
+use Illuminate\View\Component;
+
+class DeviceDetail extends Component
+{
+    /**
+     * Create a new component instance.
+     */
+    public function __construct()
+    {
+        //
+    }
+
+    /**
+     * Get the view / contents that represent the component.
+     */
+    public function render(): View|Closure|string
+    {
+        return view('components.device-detail');
+    }
+}
diff --git a/device-app/app/View/Components/DeviceSimple.php b/device-app/app/View/Components/DeviceSimple.php
new file mode 100644
index 0000000..93eb571
--- /dev/null
+++ b/device-app/app/View/Components/DeviceSimple.php
@@ -0,0 +1,26 @@
+<?php
+
+namespace App\View\Components;
+
+use Closure;
+use Illuminate\Contracts\View\View;
+use Illuminate\View\Component;
+
+class DeviceSimple extends Component
+{
+    /**
+     * Create a new component instance.
+     */
+    public function __construct()
+    {
+        //
+    }
+
+    /**
+     * Get the view / contents that represent the component.
+     */
+    public function render(): View|Closure|string
+    {
+        return view('components.device-simple');
+    }
+}
diff --git a/device-app/app/View/Components/LocationTransaction.php b/device-app/app/View/Components/LocationTransaction.php
new file mode 100644
index 0000000..9b4fdfc
--- /dev/null
+++ b/device-app/app/View/Components/LocationTransaction.php
@@ -0,0 +1,29 @@
+<?php
+
+namespace App\View\Components;
+
+use App\Models\LocationTransaction as ModelsLocationTransaction;
+use Closure;
+use Illuminate\View\Component;
+use Illuminate\Contracts\View\View;
+
+class LocationTransaction extends Component
+{
+    /**
+     * Create a new component instance.
+     */
+    public function __construct(
+        public ModelsLocationTransaction $location
+    )
+    {
+        //
+    }
+
+    /**
+     * Get the view / contents that represent the component.
+     */
+    public function render(): View|Closure|string
+    {
+        return view('components.location-transaction');
+    }
+}
diff --git a/device-app/app/View/Components/OwnerTransaction.php b/device-app/app/View/Components/OwnerTransaction.php
new file mode 100644
index 0000000..4be9e4d
--- /dev/null
+++ b/device-app/app/View/Components/OwnerTransaction.php
@@ -0,0 +1,29 @@
+<?php
+
+namespace App\View\Components;
+
+use App\Models\OwnerTransaction as ModelsOwnerTransaction;
+use Closure;
+use Illuminate\Contracts\View\View;
+use Illuminate\View\Component;
+
+class OwnerTransaction extends Component
+{
+    /**
+     * Create a new component instance.
+     */
+    public function __construct(
+        public ModelsOwnerTransaction $owner
+    )
+    {
+        //
+    }
+
+    /**
+     * Get the view / contents that represent the component.
+     */
+    public function render(): View|Closure|string
+    {
+        return view('components.owner-transaction');
+    }
+}
diff --git a/device-app/app/View/Components/PurchasingInformation.php b/device-app/app/View/Components/PurchasingInformation.php
new file mode 100644
index 0000000..8960473
--- /dev/null
+++ b/device-app/app/View/Components/PurchasingInformation.php
@@ -0,0 +1,27 @@
+<?php
+
+namespace App\View\Components;
+
+use App\Models\Device;
+use Closure;
+use Illuminate\Contracts\View\View;
+use Illuminate\View\Component;
+
+class PurchasingInformation extends Component
+{
+    /**
+     * Create a new component instance.
+     */
+    public function __construct(
+        public Device $device
+    )
+    {}
+
+    /**
+     * Get the view / contents that represent the component.
+     */
+    public function render(): View|Closure|string
+    {
+        return view('components.purchasing-information');
+    }
+}
diff --git a/device-app/database/factories/DeviceFactory.php b/device-app/database/factories/DeviceFactory.php
index af568b2..1b44aad 100644
--- a/device-app/database/factories/DeviceFactory.php
+++ b/device-app/database/factories/DeviceFactory.php
@@ -17,7 +17,7 @@ class DeviceFactory extends Factory
     public function definition(): array
     {
         return [
-            'device_id' => $this->faker->randomDigitNotNull(),
+            'device_id' => $this->faker->uuid(),
             'title' => $this->faker->word(),
             'device_type' => $this->faker->domainWord(),
             'description' => $this->faker->sentence(),
diff --git a/device-app/database/factories/LocationTransactionFactory.php b/device-app/database/factories/LocationTransactionFactory.php
new file mode 100644
index 0000000..4883ffc
--- /dev/null
+++ b/device-app/database/factories/LocationTransactionFactory.php
@@ -0,0 +1,24 @@
+<?php
+
+namespace Database\Factories;
+
+use Illuminate\Database\Eloquent\Factories\Factory;
+
+/**
+ * @extends \Illuminate\Database\Eloquent\Factories\Factory<\App\Models\LocationTransaction>
+ */
+class LocationTransactionFactory extends Factory
+{
+    /**
+     * Define the model's default state.
+     *
+     * @return array<string, mixed>
+     */
+    public function definition(): array
+    {
+        return [
+            'room_code' => $this->faker->buildingNumber(),
+            'timestamp_located_since' => $this->faker->unixTime()
+        ];
+    }
+}
diff --git a/device-app/database/factories/OwnerTransactionFactory.php b/device-app/database/factories/OwnerTransactionFactory.php
new file mode 100644
index 0000000..007ca82
--- /dev/null
+++ b/device-app/database/factories/OwnerTransactionFactory.php
@@ -0,0 +1,24 @@
+<?php
+
+namespace Database\Factories;
+
+use Illuminate\Database\Eloquent\Factories\Factory;
+
+/**
+ * @extends \Illuminate\Database\Eloquent\Factories\Factory<\App\Models\OwnerTransaction>
+ */
+class OwnerTransactionFactory extends Factory
+{
+    /**
+     * Define the model's default state.
+     *
+     * @return array<string, mixed>
+     */
+    public function definition(): array
+    {
+        return [
+            'rz_username' => $this->faker->name(),
+            'timestamp_owner_since' => $this->faker->unixTime()
+        ];
+    }
+}
diff --git a/device-app/database/factories/PurchasingInformationFactory.php b/device-app/database/factories/PurchasingInformationFactory.php
new file mode 100644
index 0000000..5650060
--- /dev/null
+++ b/device-app/database/factories/PurchasingInformationFactory.php
@@ -0,0 +1,26 @@
+<?php
+
+namespace Database\Factories;
+
+use Illuminate\Database\Eloquent\Factories\Factory;
+
+/**
+ * @extends \Illuminate\Database\Eloquent\Factories\Factory<\App\Models\PurchasingInformation>
+ */
+class PurchasingInformationFactory extends Factory
+{
+    /**
+     * Define the model's default state.
+     * @return array<string, mixed>
+     */
+    public function definition(): array
+    {
+        return [
+            'price' => $this->faker->word(),
+            'timestamp_warranty_end' => $this->faker->unixTime(),
+            'timestamp_purchase' => $this->faker->unixTime(),
+            'cost_centre' => $this->faker->numberBetween(1000000000, 9999999999),
+            'seller' => $this->faker->company()
+        ];
+    }
+}
diff --git a/device-app/database/migrations/2023_03_20_114220_create_devices_table.php b/device-app/database/migrations/2023_03_20_114220_create_devices_table.php
index 0a25560..b34de7a 100644
--- a/device-app/database/migrations/2023_03_20_114220_create_devices_table.php
+++ b/device-app/database/migrations/2023_03_20_114220_create_devices_table.php
@@ -12,7 +12,7 @@
     public function up(): void
     {
         Schema::create('devices', function (Blueprint $table) {
-            $table->string('device_id')->unique();
+            $table->uuid('device_id')->primary();
             $table->string('title');
             $table->string('device_type');
             $table->string('description')->nullable();
diff --git a/device-app/database/migrations/2023_03_20_114828_create_location_transactions_table.php b/device-app/database/migrations/2023_03_20_114828_create_location_transactions_table.php
index 6428fc7..ef33993 100644
--- a/device-app/database/migrations/2023_03_20_114828_create_location_transactions_table.php
+++ b/device-app/database/migrations/2023_03_20_114828_create_location_transactions_table.php
@@ -12,10 +12,10 @@
     public function up(): void
     {
         Schema::create('location_transactions', function (Blueprint $table) {
-            $table->string('location_transaction_id')->unique();
+            $table->uuid('location_transaction_id')->primary();
             $table->string('room_code');
             $table->string('timestamp_located_since');
-            $table->string('device_id');
+            $table->foreignUUid('device_id')->references('device_id')->on('devices')->cascadeOnUpdate()->cascadeOnDelete();
         });
     }
 
diff --git a/device-app/database/migrations/2023_03_20_114834_create_owner_transactions_table.php b/device-app/database/migrations/2023_03_20_114834_create_owner_transactions_table.php
index fa46372..185545d 100644
--- a/device-app/database/migrations/2023_03_20_114834_create_owner_transactions_table.php
+++ b/device-app/database/migrations/2023_03_20_114834_create_owner_transactions_table.php
@@ -12,10 +12,10 @@
     public function up(): void
     {
         Schema::create('owner_transactions', function (Blueprint $table) {
-            $table->string('owner_transaction_id')->unique();
+            $table->uuid('owner_transaction_id')->primary();
             $table->string('rz_username');
             $table->string('timestamp_owner_since');
-            $table->string('device_id');
+            $table->foreignUuid('device_id')->references('device_id')->on('devices')->cascadeOnUpdate()->cascadeOnDelete();
         });
     }
 
diff --git a/device-app/database/migrations/2023_03_20_114945_create_purchasing_information_table.php b/device-app/database/migrations/2023_03_20_114945_create_purchasing_information_table.php
index b158973..5262a22 100644
--- a/device-app/database/migrations/2023_03_20_114945_create_purchasing_information_table.php
+++ b/device-app/database/migrations/2023_03_20_114945_create_purchasing_information_table.php
@@ -12,13 +12,13 @@
     public function up(): void
     {
         Schema::create('purchasing_information', function (Blueprint $table) {
-            $table->string('purchasing_information_id')->unique();
+            $table->uuid('purchasing_information_id')->primary();
             $table->string('price');
             $table->string('timestamp_warranty_end');
             $table->string('timestamp_purchase');
             $table->string('cost_centre');
             $table->string('seller')->nullable();
-            $table->string('device_id')->unique();
+            $table->foreignUuid('device_id')->references('device_id')->on('devices')->cascadeOnUpdate()->cascadeOnDelete();
         });
     }
 
diff --git a/device-app/database/seeders/DatabaseSeeder.php b/device-app/database/seeders/DatabaseSeeder.php
index db15d0b..20ef442 100644
--- a/device-app/database/seeders/DatabaseSeeder.php
+++ b/device-app/database/seeders/DatabaseSeeder.php
@@ -7,6 +7,9 @@
 use App\Models\Device;
 use App\Models\User;
 use Illuminate\Database\Seeder;
+use App\Models\OwnerTransaction;
+use App\Models\LocationTransaction;
+use App\Models\PurchasingInformation;
 
 class DatabaseSeeder extends Seeder
 {
@@ -22,10 +25,15 @@ public function run(): void
         //     'email' => 'test@example.com',
         // ]);
 
-        Device::factory(2)->create();
+        //Device::factory()->has(PurchasingInformation::factory()->count(1))->create();
+
+        Device::factory()->count(10)
+        ->has(PurchasingInformation::factory()->count(1), 'purchasing')
+        ->has(LocationTransaction::factory()->count(3), 'locations')
+        ->has(OwnerTransaction::factory()->count(3), 'owners')
+        ->create();
 
         User::create([
-
             'rz_username' => 'admin',
             'full_name' => 'Admin',
             'organisation_unit' => '11111111',
diff --git a/device-app/resources/views/components/device-card.blade.php b/device-app/resources/views/components/device-card.blade.php
deleted file mode 100644
index dd691d8..0000000
--- a/device-app/resources/views/components/device-card.blade.php
+++ /dev/null
@@ -1,4 +0,0 @@
-@props(['device'])
-<div>
-    <a href="/devices/{{ $device['device_id'] }}">{{ $device->title }}</a>
-</div>
\ No newline at end of file
diff --git a/device-app/resources/views/components/device-detail.blade.php b/device-app/resources/views/components/device-detail.blade.php
new file mode 100644
index 0000000..7049f8f
--- /dev/null
+++ b/device-app/resources/views/components/device-detail.blade.php
@@ -0,0 +1,35 @@
+@props(['device'])
+<div>
+    <h3>Device Detail</h3>
+    <ul>
+        <!--li>device_id: {{ $device['device_id'] }}</li-->
+        <li>title: {{ $device['title'] }}</li>
+        <li>device_type: {{ $device['device_type'] }}</li>
+        <li>description: {{ $device['description'] }}</li>
+        <li>accessories: {{ $device['accessories'] }}</li>
+        <li>rz_username_buyer: {{ $device['rz_username_buyer'] }}</li>
+        <li>serial_number: {{ $device['serial_number'] }}</li>
+        <li>image_url: {{ $device['image_url'] }}</li>
+    </ul>
+    <button><a href="{{ $device->device_id }}/edit">Edit</a></button>
+    <form method="POST" action="{{ $device->device_id }}">
+        @method('DELETE')
+        @csrf
+        <button>Delete</button>
+    </form>
+    <x-purchasing-information :device="$device" />
+    @php
+        $locationTransactions = $device->locations;
+        $ownerTransactins = $device->owners;
+    @endphp
+    <h3>Location Transactions</h3>
+    <button><a href="{{ $device->device_id }}/locations/create">New Location</a></button>
+    @foreach ($locationTransactions as $location)
+        <x-location-transaction :location="$location" />
+    @endforeach
+    <h3>Owner Transactions</h3>
+    <button><a href="{{ $device->device_id }}/owners/create">New Owner</a></button>
+    @foreach ($ownerTransactins as $owner)
+        <x-owner-transaction :owner="$owner" />
+    @endforeach
+</div>
diff --git a/device-app/resources/views/components/device-simple.blade.php b/device-app/resources/views/components/device-simple.blade.php
new file mode 100644
index 0000000..9f1b171
--- /dev/null
+++ b/device-app/resources/views/components/device-simple.blade.php
@@ -0,0 +1,16 @@
+@props(['device'])
+<div>
+    <a href="/devices/{{ $device['device_id'] }}">{{ $device->title }}</a>
+    <ul>
+        <!--li>{{ $device['device_id'] }}</li-->
+        <!--li>title:{{ $device['title'] }}</li-->
+        <li>device_type: {{ $device['device_type'] }}</li>
+        <li>description: {{ $device['description'] }}</li>
+        <li>accessories: {{ $device['accessories'] }}</li>
+        <li>rz_username_buyer: {{ $device['rz_username_buyer'] }}</li>
+        <li>serial_number: {{ $device['serial_number'] }}</li>
+        <li>image_url: {{ $device['image_url'] }}</li>
+        <li>room_code: {{ $device->locations->last()['room_code'] }}</li>
+        <li>rz_username: {{ $device->owners->last()['rz_username'] }}</li>
+    </ul>
+</div>
\ No newline at end of file
diff --git a/device-app/resources/views/components/location-transaction.blade.php b/device-app/resources/views/components/location-transaction.blade.php
new file mode 100644
index 0000000..632a17e
--- /dev/null
+++ b/device-app/resources/views/components/location-transaction.blade.php
@@ -0,0 +1,12 @@
+<div>
+    <ul>
+        <li>room_code: {{ $location->room_code }}</li>
+        <li>timestamp_located_since: {{ $location->timestamp_located_since }}</li>
+    </ul>
+    <button><a href="locations/{{ $location->location_transaction_id }}/edit">Edit</a></button>
+    <form method="POST" action="locations/{{ $location->location_transaction_id }}">
+        @method('DELETE')
+        @csrf
+        <button>Delete</button>
+    </form>
+</div>
\ No newline at end of file
diff --git a/device-app/resources/views/components/owner-transaction.blade.php b/device-app/resources/views/components/owner-transaction.blade.php
new file mode 100644
index 0000000..7105dad
--- /dev/null
+++ b/device-app/resources/views/components/owner-transaction.blade.php
@@ -0,0 +1,12 @@
+<div>
+    <ul>
+        <li>rz_username: {{ $owner->rz_username }}</li>
+        <li>timestamp_owner_since: {{ $owner->timestamp_owner_since }}</li>
+    </ul>
+    <button><a href="owners/{{ $owner->owner_transaction_id }}/edit">Edit</a></button>
+    <form method="POST" action="owners/{{ $owner->owner_transaction_id }}">
+        @method('DELETE')
+        @csrf
+        <button>Delete</button>
+    </form>
+</div>
\ No newline at end of file
diff --git a/device-app/resources/views/components/purchasing-information.blade.php b/device-app/resources/views/components/purchasing-information.blade.php
new file mode 100644
index 0000000..6d532ec
--- /dev/null
+++ b/device-app/resources/views/components/purchasing-information.blade.php
@@ -0,0 +1,14 @@
+<div>
+    @php
+        $purchasing = $device->purchasing;
+    @endphp
+    <h3>Purchasing Information</h3>
+    <ul>
+        <li>price: {{ $purchasing->price }}</li>
+        <li>timestamp_warranty_end: {{ $purchasing->timestamp_warranty_end }}</li>
+        <li>timestamp_purchase: {{ $purchasing->timestamp_purchase }}</li>
+        <li>cost_centre: {{ $purchasing->cost_centre }}</li>
+        <li>seller: {{ $purchasing->seller }}</li>
+    </ul>
+    <button><a href="{{ $device->device_id }}/purchasing/edit">Edit</a></button>
+</div>
\ No newline at end of file
diff --git a/device-app/resources/views/devices/create.blade.php b/device-app/resources/views/devices/create.blade.php
index 308a16a..428d877 100644
--- a/device-app/resources/views/devices/create.blade.php
+++ b/device-app/resources/views/devices/create.blade.php
@@ -3,51 +3,51 @@
 @section('content')
     <form method="POST" action="/devices">
         @csrf
-        <label for="device_id">device_id:</label>
+        <!--label for="device_id">device_id:</label>
         <input type="text" id="device_id" name="device_id" value="{{old('device_id')}}" required>
         @error('device_id')
             <p>{{$message}}</p>
         @enderror
-        <br />
+        <br /-->
         <label for="title">Title:</label>
         <input type="text" id="title" name="title" value="{{old('title')}}" required>
-        @error('device_id')
+        @error('title')
             <p>{{$message}}</p>
         @enderror
         <br />
         <label for="device_type">device_type:</label>
         <input type="text" id="device_type" name="device_type" value="{{old('device_type')}}" required>
-        @error('device_id')
+        @error('device_type')
             <p>{{$message}}</p>
         @enderror
         <br />
         <label for="accessories">accessories:</label>
         <input type="text" id="accessories" name="accessories" value="{{old('accessories')}}">
-        @error('device_id')
+        @error('accessories')
             <p>{{$message}}</p>
         @enderror
         <br />
         <label for="rz_username_buyer">rz_username_buyer:</label>
         <input type="text" id="rz_username_buyer" name="rz_username_buyer" value="{{old('rz_username_buyer')}}" required>
-        @error('device_id')
+        @error('rz_username_buyer')
             <p>{{$message}}</p>
         @enderror
         <br />
         <label for="serial_number">serial_number:</label>
         <input type="text" id="serial_number" name="serial_number" value="{{old('serial_number')}}" required>
-        @error('device_id')
+        @error('serial_number')
             <p>{{$message}}</p>
         @enderror
         <br />
         <label for="image_url">image_url:</label>
         <input id="image_url" name="image_url" value="{{old('image_url')}}" required>
-        @error('device_id')
+        @error('image_url')
             <p>{{$message}}</p>
         @enderror
         <br />
         <label for="description">description:</label>
         <textarea type="text" id="description" name="description">{{old('rz_username_buyer')}}</textarea>
-        @error('device_id')
+        @error('description')
             <p>{{$message}}</p>
         @enderror
         <br />
diff --git a/device-app/resources/views/devices/edit.blade.php b/device-app/resources/views/devices/edit.blade.php
index 073da5a..e258154 100644
--- a/device-app/resources/views/devices/edit.blade.php
+++ b/device-app/resources/views/devices/edit.blade.php
@@ -4,12 +4,12 @@
     <form method="POST" action="/devices/{{$device->device_id}}">
         @method('PUT')
         @csrf
-        <label for="device_id">device_id:</label>
+        <!--label for="device_id">device_id:</label>
         <input type="text" id="device_id" name="device_id" value="{{$device->device_id}}" required>
         @error('device_id')
             <p>{{$message}}</p>
         @enderror
-        <br />
+        <br /-->
         <label for="title">Title:</label>
         <input type="text" id="title" name="title" value="{{$device->title}}" required>
         @error('device_id')
diff --git a/device-app/resources/views/devices/index.blade.php b/device-app/resources/views/devices/index.blade.php
index cd6742f..dc001f8 100644
--- a/device-app/resources/views/devices/index.blade.php
+++ b/device-app/resources/views/devices/index.blade.php
@@ -5,7 +5,7 @@
     @unless(count($devices) == 0)
         <ul>
             @foreach ($devices as $device)
-                <x-device-card :device="$device" />
+                <x-device-simple :device="$device" />
             @endforeach
         </ul>
     @else
diff --git a/device-app/resources/views/devices/show.blade.php b/device-app/resources/views/devices/show.blade.php
index e3958e2..3956c16 100644
--- a/device-app/resources/views/devices/show.blade.php
+++ b/device-app/resources/views/devices/show.blade.php
@@ -1,22 +1,5 @@
 @extends('layout')
 
 @section('content')
-    <h1>Device Detail</h1>
-    <ul>
-        <li>{{ $device['device_id'] }}</li>
-        <li>{{ $device['title'] }}</li>
-        <li>{{ $device['device_type'] }}</li>
-        <li>{{ $device['description'] }}</li>
-        <li>{{ $device['accessories'] }}</li>
-        <li>{{ $device['rz_username_buyer'] }}</li>
-        <li>{{ $device['serial_number'] }}</li>
-        <li>{{ $device['image_url'] }}</li>
-    </ul>
-    <button><a href="{{$device->device_id}}/edit">Edit</a></button>
-
-    <form method="POST" action="{{$device->device_id}}">
-        @method('DELETE')
-        @csrf
-        <button>Delete</button>
-    </form>
+    <x-device-detail :device="$device" />
 @endsection
diff --git a/device-app/resources/views/locations/create.blade.php b/device-app/resources/views/locations/create.blade.php
new file mode 100644
index 0000000..4ec2798
--- /dev/null
+++ b/device-app/resources/views/locations/create.blade.php
@@ -0,0 +1,17 @@
+<form method="POST" action="/devices/{{ $device->device_id }}/locations">
+    @csrf
+    <label for="room_code">room_code:</label>
+    <input type="text" id="room_code" name="room_code" value="{{old('room_code')}}" required>
+    @error('room_code')
+        <p>{{ $message }}</p>
+    @enderror
+    <br />
+    <label for="timestamp_located_since">timestamp_located_since:</label>
+    <input type="text" id="timestamp_located_since" name="timestamp_located_since"
+        value="{{old('timestamp_located_since')}}" required>
+    @error('timestamp_located_since')
+        <p>{{ $message }}</p>
+    @enderror
+    <br />
+    <input type="submit" value="Submit">
+</form>
\ No newline at end of file
diff --git a/device-app/resources/views/locations/edit.blade.php b/device-app/resources/views/locations/edit.blade.php
new file mode 100644
index 0000000..670475e
--- /dev/null
+++ b/device-app/resources/views/locations/edit.blade.php
@@ -0,0 +1,18 @@
+<form method="POST" action="/devices/locations/{{ $location->location_transaction_id }}">
+    @method('PUT')
+    @csrf
+    <label for="room_code">room_code:</label>
+    <input type="text" id="room_code" name="room_code" value="{{$location->room_code}}" required>
+    @error('room_code')
+        <p>{{ $message }}</p>
+    @enderror
+    <br />
+    <label for="timestamp_located_since">timestamp_located_since:</label>
+    <input type="text" id="timestamp_located_since" name="timestamp_located_since"
+        value="{{$location->timestamp_located_since}}" required>
+    @error('timestamp_located_since')
+        <p>{{ $message }}</p>
+    @enderror
+    <br />
+    <input type="submit" value="Submit">
+</form>
\ No newline at end of file
diff --git a/device-app/resources/views/owners/create.blade.php b/device-app/resources/views/owners/create.blade.php
new file mode 100644
index 0000000..0983a38
--- /dev/null
+++ b/device-app/resources/views/owners/create.blade.php
@@ -0,0 +1,17 @@
+<form method="POST" action="/devices/{{ $device->device_id }}/owners">
+    @csrf
+    <label for="rz_username">rz_username:</label>
+    <input type="text" id="rz_username" name="rz_username" value="{{old('rz_username')}}" required>
+    @error('rz_username')
+        <p>{{ $message }}</p>
+    @enderror
+    <br />
+    <label for="timestamp_owner_since">timestamp_owner_since:</label>
+    <input type="text" id="timestamp_owner_since" name="timestamp_owner_since"
+        value="{{old('timestamp_owner_since')}}" required>
+    @error('timestamp_owner_since')
+        <p>{{ $message }}</p>
+    @enderror
+    <br />
+    <input type="submit" value="Submit">
+</form>
\ No newline at end of file
diff --git a/device-app/resources/views/owners/edit.blade.php b/device-app/resources/views/owners/edit.blade.php
new file mode 100644
index 0000000..ea8da54
--- /dev/null
+++ b/device-app/resources/views/owners/edit.blade.php
@@ -0,0 +1,18 @@
+<form method="POST" action="/devices/owners/{{ $owner->owner_transaction_id }}">
+    @method('PUT')
+    @csrf
+    <label for="rz_username">rz_username:</label>
+    <input type="text" id="rz_username" name="rz_username" value="{{$owner->rz_username}}" required>
+    @error('rz_username')
+        <p>{{ $message }}</p>
+    @enderror
+    <br />
+    <label for="timestamp_owner_since">timestamp_owner_since:</label>
+    <input type="text" id="timestamp_owner_since" name="timestamp_owner_since"
+        value="{{$owner->timestamp_owner_since}}" required>
+    @error('timestamp_owner_since')
+        <p>{{ $message }}</p>
+    @enderror
+    <br />
+    <input type="submit" value="Submit">
+</form>
\ No newline at end of file
diff --git a/device-app/resources/views/purchasings/edit.blade.php b/device-app/resources/views/purchasings/edit.blade.php
new file mode 100644
index 0000000..db0791c
--- /dev/null
+++ b/device-app/resources/views/purchasings/edit.blade.php
@@ -0,0 +1,36 @@
+<form method="POST" action="/devices/{{ $purchasing->device->device_id }}/purchasing">
+    @method('PUT')
+    @csrf
+    <label for="price">price:</label>
+    <input type="text" id="price" name="price" value="{{$purchasing->price}}" required>
+    @error('price')
+        <p>{{ $message }}</p>
+    @enderror
+    <br />
+    <label for="timestamp_warranty_end">timestamp_warranty_end:</label>
+    <input type="text" id="timestamp_warranty_end" name="timestamp_warranty_end"
+        value="{{$purchasing->timestamp_warranty_end}}" required>
+    @error('timestamp_warranty_end')
+        <p>{{ $message }}</p>
+    @enderror
+    <br />
+    <label for="timestamp_purchase">timestamp_purchase:</label>
+    <input type="text" id="timestamp_purchase" name="timestamp_purchase"
+        value="{{$purchasing->timestamp_purchase}}" required>
+    @error('timestamp_purchase')
+        <p>{{ $message }}</p>
+    @enderror
+    <br />
+    <label for="cost_centre">cost_centre:</label>
+    <input type="text" id="cost_centre" name="cost_centre" value="{{$purchasing->cost_centre}}" required>
+    @error('cost_centre')
+        <p>{{ $message }}</p>
+    @enderror
+    <br />
+    <label for="seller">seller:</label>
+    <input type="text" id="seller" name="seller" value="{{$purchasing->seller}}">
+    @error('seller')
+        <p>{{ $message }}</p>
+    @enderror
+    <input type="submit" value="Submit">
+</form>
diff --git a/device-app/routes/web.php b/device-app/routes/web.php
index 8908730..e88a952 100644
--- a/device-app/routes/web.php
+++ b/device-app/routes/web.php
@@ -1,6 +1,9 @@
 <?php
 
 use App\Http\Controllers\DeviceController;
+use App\Http\Controllers\LocationTransactionController;
+use App\Http\Controllers\OwnerTransactionController;
+use App\Http\Controllers\PurchasingInformationController;
 use App\Http\Controllers\UserController;
 use Illuminate\Support\Facades\Route;
 
@@ -15,16 +18,43 @@
 |
 */
 
+Route::get('/', function () {
+    return redirect('/home');
+});
 Route::get('/home', function () {
     return view('welcome');
 });
 
+// Devices routes
 // index - show all devices
 Route::get('/devices', [DeviceController::class, 'index']);
 // create - show device create form
 Route::get('/devices/create', [DeviceController::class, 'create'])->middleware('auth');
 // store - store new device
 Route::post('/devices', [DeviceController::class, 'store'])->middleware('auth');
+
+// Device purchasing routes
+//Route::get('/devices/{device}/purchasing/create', [PurchasingInformationController::class, 'create']);
+//Route::post('/devices/{device}/purchasing', [PurchasingInformationController::class, 'store']);
+Route::get('/devices/{device}/purchasing/edit', [PurchasingInformationController::class, 'edit']);
+Route::put('/devices/{device}/purchasing', [PurchasingInformationController::class, 'update']);
+//Route::delete('/devices/{device}/purchasing', [PurchasingInformationController::class, 'destroy']);
+
+// Device location routes
+Route::get('/devices/{device}/locations/create', [LocationTransactionController::class, 'create']);
+Route::post('/devices/{device}/locations', [LocationTransactionController::class, 'store']);
+Route::get('/devices/locations/{location}/edit', [LocationTransactionController::class, 'edit']);
+Route::put('/devices/locations/{location}', [LocationTransactionController::class, 'update']);
+Route::delete('/devices/locations/{location}', [LocationTransactionController::class, 'destroy']);
+
+// Device owner routes
+Route::get('/devices/{device}/owners/create', [OwnerTransactionController::class, 'create']);
+Route::post('/devices/{device}/owners', [OwnerTransactionController::class, 'store']);
+Route::get('/devices/owners/{owner}/edit', [OwnerTransactionController::class, 'edit']);
+Route::put('/devices/owners/{owner}', [OwnerTransactionController::class, 'update']);
+Route::delete('/devices/owners/{owner}', [OwnerTransactionController::class, 'destroy']);
+
+// 
 // edit - show edit form
 Route::get('devices/{device}/edit', [DeviceController::class, 'edit'])->middleware('auth');
 // update - update device
@@ -34,6 +64,7 @@
 // show - show sigle device
 Route::get('/devices/{device}', [DeviceController::class, 'show']);
 
+//User routes
 // create - show register form
 Route::get('/register', [UserController::class, 'create']);
 // store - store new user
@@ -43,4 +74,4 @@
 // authenticate - log in user
 Route::post('/users/authenticate', [UserController::class, 'authenticate']);
 // logout - log out user
-Route::post('/logout', [UserController::class, 'logout']);
+Route::post('/logout', [UserController::class, 'logout']);
\ No newline at end of file