Eager load many more things. Fixes a lot of n+1 queries in ajax/bootstrap tables requests (#2832)

app/Http/Controllers/AccessoriesController.php

@@ -530,9 +530,11 @@ class AccessoriesController extends Controller
     **/
     public function getDatatable(Request $request)
     {
-        $accessories = Company::scopeCompanyables(Accessory::select('accessories.*')->with('category', 'company'))
-        ->whereNull('accessories.deleted_at');
-
+        $accessories = Company::scopeCompanyables(
+            Accessory::select('accessories.*')
+            ->whereNull('accessories.deleted_at')
+            ->with('category', 'company', 'manufacturer', 'users', 'location')
+        );
         if (Input::has('search')) {
             $accessories = $accessories->TextSearch(e(Input::get('search')));
         }

app/Http/Controllers/AssetModelsController.php

@@ -416,7 +416,7 @@ class AssetModelsController extends Controller
 
     public function getDatatable($status = null)
     {
-        $models = AssetModel::with('category', 'assets', 'depreciation');
+        $models = AssetModel::with('category', 'assets', 'depreciation', 'manufacturer');
 
         switch ($status) {
             case 'Deleted':
@@ -491,7 +491,7 @@ class AssetModelsController extends Controller
     */
     public function getDataView($modelID)
     {
-        $assets = Asset::where('model_id', '=', $modelID)->with('company');
+        $assets = Asset::where('model_id', '=', $modelID)->with('company', 'assetstatus');
 
         if (Input::has('search')) {
             $assets = $assets->TextSearch(e(Input::get('search')));

app/Http/Controllers/CategoriesController.php

@@ -307,9 +307,9 @@ class CategoriesController extends Controller
     public function getDataViewAssets($categoryID)
     {
 
-        $category = Category::with('assets.company')->find($categoryID);
+        $category = Category::find($categoryID);
+        $category = $category->load('assets.company', 'assets.model', 'assets.assetstatus', 'assets.assigneduser');
         $category_assets = $category->assets();
-
         if (Input::has('search')) {
             $category_assets = $category_assets->TextSearch(e(Input::get('search')));
         }
@@ -333,7 +333,6 @@ class CategoriesController extends Controller
         $count = $category_assets->count();
         $category_assets = $category_assets->skip($offset)->take($limit)->get();
         $rows = array();
-
         foreach ($category_assets as $asset) {
 
             $actions = '';
@@ -364,7 +363,7 @@ class CategoriesController extends Controller
                 'assigned_to' => ($asset->assigneduser) ? (string)link_to('/admin/users/'.$asset->assigneduser->id.'/view', $asset->assigneduser->fullName()): '',
                 'change' => $inout,
                 'actions' => $actions,
-                'companyName' => Company::getName($asset),
+                'companyName'   => is_null($asset->company) ? '' : e($asset->company->name)
             );
         }
 

app/Http/Controllers/ConsumablesController.php

@@ -390,8 +390,11 @@ class ConsumablesController extends Controller
     */
     public function getDatatable()
     {
-        $consumables = Company::scopeCompanyables(Consumable::select('consumables.*')->whereNull('consumables.deleted_at')
-            ->with('company', 'location', 'category', 'users'));
+        $consumables = Company::scopeCompanyables(
+            Consumable::select('consumables.*')
+            ->whereNull('consumables.deleted_at')
+            ->with('company', 'location', 'category', 'users', 'manufacturer')
+        );
 
         if (Input::has('search')) {
             $consumables = $consumables->TextSearch(e(Input::get('search')));

app/Http/Controllers/LicensesController.php

@@ -742,6 +742,7 @@ class LicensesController extends Controller
     {
 
         $license = License::find($licenseId);
+        $license = $license->load('assignedusers', 'licenseSeats.user', 'licenseSeats.asset');
 
         if (isset($license->id)) {
 
@@ -947,7 +948,7 @@ class LicensesController extends Controller
     */
     public function getDatatable()
     {
-        $licenses = Company::scopeCompanyables(License::with('company'));
+        $licenses = Company::scopeCompanyables(License::with('company', 'licenseSeatsRelation', 'manufacturer'));
 
         if (Input::has('search')) {
             $licenses = $licenses->TextSearch(Input::get('search'));
@@ -991,7 +992,7 @@ class LicensesController extends Controller
                 'id'                => $license->id,
                 'name'              => (string) link_to('/admin/licenses/'.$license->id.'/view', $license->name),
                 'serial'            => (string) link_to('/admin/licenses/'.$license->id.'/view', mb_strimwidth($license->serial, 0, 50, "...")),
-                'totalSeats'        => $license->totalSeatsByLicenseID(),
+                'totalSeats'        => $license->licenseSeatsCount,
                 'remaining'         => $license->remaincount(),
                 'license_name'      => e($license->license_name),
                 'license_email'     => e($license->license_email),

app/Http/Controllers/ManufacturersController.php

@@ -257,7 +257,7 @@ class ManufacturersController extends Controller
     */
     public function getDataView($manufacturerId, $itemtype = null)
     {
-        $manufacturer = Manufacturer::with('assets.company')->find($manufacturerId);
+        $manufacturer = Manufacturer::find($manufacturerId);
 
         switch ($itemtype) {
             case "assets":
@@ -276,6 +276,7 @@ class ManufacturersController extends Controller
 
     protected function getDataAssetsView(Manufacturer $manufacturer)
     {
+        $manufacturer = $manufacturer->load('assets.model', 'assets.assigneduser', 'assets.assetstatus', 'assets.company');
         $manufacturer_assets = $manufacturer->assets;
 
         if (Input::has('search')) {
@@ -329,13 +330,14 @@ class ManufacturersController extends Controller
                 'serial' => e($asset->serial),
                 'assigned_to' => ($asset->assigneduser) ? (string)link_to('/admin/users/'.$asset->assigneduser->id.'/view', e($asset->assigneduser->fullName())): '',
                 'actions' => $actions,
-                'companyName' => e(Company::getName($asset)),
+                // 'companyName' => e(Company::getName($asset)),
+                'companyName' => is_null($asset->company) ? '' : $asset->company->name
                 );
 
-                if (isset($inout)) {
-                    $row['change'] = $inout;
-                }
+            if (isset($inout)) {
+                $row['change'] = $inout;
             }
+        }
 
         $data = array('total' => $count, 'rows' => $rows);
         return $data;
@@ -343,6 +345,7 @@ class ManufacturersController extends Controller
 
     protected function getDataLicensesView(Manufacturer $manufacturer)
     {
+        $manufacturer = $manufacturer->load('licenses.company', 'licenses.manufacturer', 'licenses.licenseSeatsRelation');
         $licenses = $manufacturer->licenses;
 
         if (Input::has('search')) {
@@ -380,7 +383,7 @@ class ManufacturersController extends Controller
                 'id'                => $license->id,
                 'name'              => (string) link_to('/admin/licenses/'.$license->id.'/view', $license->name),
                 'serial'            => (string) link_to('/admin/licenses/'.$license->id.'/view', mb_strimwidth($license->serial, 0, 50, "...")),
-                'totalSeats'        => $license->totalSeatsByLicenseID(),
+                'totalSeats'        => $license->licenseSeatCount,
                 'remaining'         => $license->remaincount(),
                 'license_name'      => e($license->license_name),
                 'license_email'     => e($license->license_email),
@@ -403,6 +406,13 @@ class ManufacturersController extends Controller
 
     public function getDataAccessoriesView(Manufacturer $manufacturer)
     {
+        $manufacturer = $manufacturer->load(
+            'accessories.location',
+            'accessories.company',
+            'accessories.category',
+            'accessories.manufacturer',
+            'accessories.users'
+            );
         $accessories = $manufacturer->accessories;
 
         if (Input::has('search')) {
@@ -461,6 +471,13 @@ class ManufacturersController extends Controller
 
     public function getDataConsumablesView($manufacturer)
     {
+        $manufacturer = $manufacturer->load(
+            'consumables.location',
+            'consumables.company',
+            'consumables.category',
+            'consumables.manufacturer',
+            'consumables.users'
+        );
         $consumables = $manufacturer->consumables;
 
         if (Input::has('search')) {

app/Http/Controllers/SuppliersController.php

@@ -242,7 +242,7 @@ class SuppliersController extends Controller
 
     public function getDatatable()
     {
-        $suppliers = Supplier::select(array('id','name','address','address2','city','state','country','fax', 'phone','email','contact'))
+        $suppliers = Supplier::with('assets', 'licenses')->select(array('id','name','address','address2','city','state','country','fax', 'phone','email','contact'))
         ->whereNull('deleted_at');
 
         if (Input::has('search')) {
@@ -283,8 +283,8 @@ class SuppliersController extends Controller
                 'phone'             => e($supplier->phone),
                 'fax'             => e($supplier->fax),
                 'email'             => ($supplier->email!='') ? '<a href="mailto:'.e($supplier->email).'">'.e($supplier->email).'</a>' : '',
-                'assets'            => $supplier->num_assets(),
-                'licenses'          => $supplier->num_licenses(),
+                'assets'            => $supplier->assets->count(),
+                'licenses'          => $supplier->licenses->count(),
                 'actions'           => $actions
             );
         }

app/Models/License.php

@@ -101,6 +101,20 @@ class License extends Depreciable
                    ->count();
     }
 
+    // We do this to eager load the "count" of seats from the controller.  Otherwise calling "count()" on each model results in n+1
+    public function licenseSeatsRelation()
+    {
+        return $this->hasMany(LicenseSeat::class)->whereNull('deleted_at')->selectRaw('license_id, count(*) as count')->groupBy('license_id');
+    }
+
+    public function getLicenseSeatsCountAttribute()
+    {
+        if ($this->licenseSeatsRelation->first()) {
+            return $this->licenseSeatsRelation->first()->count;
+        }
+
+        return 0;
+    }
 
     /**
     * Get total licenses not checked out
@@ -116,37 +130,47 @@ class License extends Depreciable
     /**
      * Get the number of available seats
      */
-    public function availcount()
+    public function availCount()
     {
-        return LicenseSeat::whereNull('assigned_to')
-                    ->whereNull('asset_id')
-                    ->where('license_id', '=', $this->id)
-                    ->whereNull('deleted_at')
-                    ->count();
+        return $this->licenseSeatsRelation()
+            ->whereNull('asset_id');
+    }
+
+    public function getAvailSeatsCountAttribute()
+    {
+        if ($this->availCount->first()) {
+            return $this->availCount->first()->count;
+        }
+
+        return 0;
     }
 
     /**
      * Get the number of assigned seats
      *
      */
-    public function assignedcount()
+    public function assignedCount()
     {
+        return $this->licenseSeatsRelation()->where(function ($query) {
+            $query->whereNotNull('assigned_to')
+            ->orWhereNotNull('asset_id');
+        });
+    }
 
-        return \App\Models\LicenseSeat::where('license_id', '=', $this->id)
-            ->where(function ($query) {
-
-                $query->whereNotNull('assigned_to')
-                ->orWhereNotNull('asset_id');
-            })
-        ->count();
-
+    public function getAssignedSeatsCountAttribute()
+    {
+        // dd($this->licenseSeatsRelation->first());
+        if ($this->assignedCount->first()) {
+            return $this->assignedCount->first()->count;
+        }
 
+        return 0;
     }
 
     public function remaincount()
     {
-        $total = $this->totalSeatsByLicenseID();
-        $taken =  $this->assignedcount();
+        $total = $this->licenseSeatsCount;
+        $taken =  $this->assigned_seats;
         $diff =   ($total - $taken);
         return $diff;
     }
@@ -156,7 +180,7 @@ class License extends Depreciable
      */
     public function totalcount()
     {
-        $avail =  $this->availcount();
+        $avail =  $this->availSeatsCount;
         $taken =  $this->assignedcount();
         $diff =   ($avail + $taken);
         return $diff;

app/Models/Supplier.php

@@ -47,6 +47,21 @@ class Supplier extends Model
     protected $fillable = ['name'];
 
 
+    // Eager load counts.
+    // We do this to eager load the "count" of seats from the controller.  Otherwise calling "count()" on each model results in n+1
+    public function assetsRelation()
+    {
+        return $this->hasMany(Asset::class)->whereNull('deleted_at')->selectRaw('supplier_id, count(*) as count')->groupBy('supplier_id');
+    }
+
+    public function getLicenseSeatsCountAttribute()
+    {
+        if ($this->licenseSeatsRelation->first()) {
+            return $this->licenseSeatsRelation->first()->count;
+        }
+
+        return 0;
+    }
     public function assets()
     {
         return $this->hasMany('\App\Models\Asset', 'supplier_id');
@@ -59,7 +74,11 @@ class Supplier extends Model
 
     public function num_assets()
     {
-        return $this->hasMany('\App\Models\Asset', 'supplier_id')->count();
+        if ($this->assetsRelation->first()) {
+            return $this->assetsRelation->first()->count;
+        }
+
+        return 0;
     }
 
     public function licenses()
@@ -69,7 +88,7 @@ class Supplier extends Model
 
     public function num_licenses()
     {
-        return $this->hasMany('\App\Models\License', 'supplier_id')->count();
+        return $this->licenses()->count();
     }
 
     public function addhttp($url)