Feature #4 : Villages

app/Exports/VillagesExport.php

@@ -0,0 +1,49 @@
+<?php
+
+namespace Modules\Location\Exports;
+
+use Maatwebsite\Excel\Concerns\FromCollection;
+use Maatwebsite\Excel\Concerns\WithColumnFormatting;
+use Maatwebsite\Excel\Concerns\WithHeadings;
+use Maatwebsite\Excel\Concerns\WithMapping;
+use Modules\Location\Models\Village;
+
+class VillagesExport implements WithColumnFormatting, WithHeadings, FromCollection, withMapping
+{
+    public function collection(){
+        return Village::with('district.city.province')->get();
+    }
+
+    public function map($row): array{
+        return [
+            $row->id,
+            $row->code,
+            $row->name,
+            $row->postal_code,
+            $row->district->name,
+            $row->district->city->name,
+            $row->district->city->province->name,
+            $row->created_at
+        ];
+    }
+    public function headings(): array{
+        return [
+            'ID',
+            'Code',
+            'Name',
+            'Postal Code',
+            'District',
+            'City',
+            'Province',
+            'Created At'
+        ];
+    }
+
+    public function columnFormats(): array{
+        return [
+            'A' => \PhpOffice\PhpSpreadsheet\Style\NumberFormat::FORMAT_NUMBER,
+            'D' => \PhpOffice\PhpSpreadsheet\Style\NumberFormat::FORMAT_NUMBER,
+            'H' => \PhpOffice\PhpSpreadsheet\Style\NumberFormat::FORMAT_DATE_DATETIME
+        ];
+    }
+}

app/Http/Controllers/DistrictsController.php

@@ -132,4 +132,8 @@ class DistrictsController extends Controller
     public function export(Request $request){
         return Excel::download(new DistrictsExport, 'districts.xlsx');
     }
+
+    public function getDistrictsByCityId($id){
+        return response()->json(District::where('city_code', $id)->get());
+    }
 }

app/Http/Controllers/VillagesController.php

@@ -0,0 +1,161 @@
+<?php
+
+    namespace Modules\Location\Http\Controllers;
+
+    use App\Http\Controllers\Controller;
+    use Illuminate\Http\Request;
+    use Maatwebsite\Excel\Facades\Excel;
+    use Modules\Location\Exports\VillagesExport;
+    use Modules\Location\Http\Requests\VillageRequest;
+    use Modules\Location\Models\City;
+    use Modules\Location\Models\District;
+    use Modules\Location\Models\Province;
+    use Modules\Location\Models\Village;
+    use Exception;
+
+    class VillagesController extends Controller
+    {
+        public $user;
+
+        public function index()
+        {
+            $provinces = Province::all();
+            return view('location::villages.index',compact('provinces'));
+        }
+
+        public function store(VillageRequest $request)
+        {
+            $validate = $request->validated();
+
+            if ($validate) {
+                try {
+                    $village = Village::create($validate);
+                    return redirect()
+                        ->route('locations.villages.index')
+                        ->with('success', 'Village created successfully');
+                } catch (Exception $e) {
+                    return redirect()->back()->with('error', 'Failed to create village. ' . $e->getMessage());
+                }
+            }
+        }
+
+        public function create()
+        {
+            $provinces = Province::all();
+            return view('location::villages.create', compact('provinces'));
+        }
+
+        public function edit($id)
+        {
+            $village   = Village::find($id);
+            $provinces = Province::all();
+            $cities    = City::where('province_code', $village->province_code)->get();
+            $districts = District::where('city_code', $village->city_code)->get();
+            return view('location::villages.create', compact('village', 'provinces', 'cities', 'districts'));
+        }
+
+        public function update(VillageRequest $request, $id)
+        {
+            $validate = $request->validated();
+
+            if ($validate) {
+                try {
+                    $village = Village::find($id);
+                    $village->update($validate);
+                    return redirect()
+                        ->route('locations.villages.index')
+                        ->with('success', 'Village updated successfully');
+                } catch (Exception $e) {
+                    return redirect()->back()->with('error', 'Failed to update village. ' . $e->getMessage());
+                }
+            }
+        }
+
+        public function destroy($id)
+        {
+            try {
+                Village::destroy($id);
+                echo json_encode(['message' => 'Village deleted successfully', 'success' => true]);
+            } catch (Exception $e) {
+                echo json_encode(['message' => 'Failed to delete Village', 'success' => false]);
+            }
+        }
+
+        public function export(Request $request)
+        {
+            return Excel::download(new VillagesExport, 'villages.xlsx');
+        }
+
+        public function dataForDatatables(Request $request)
+        {
+            if (is_null($this->user) || !$this->user->can('provinces.view')) {
+                //abort(403, 'Sorry! You are not allowed to view users.');
+            }
+
+            // Retrieve data from the database
+            $query = Village::query();
+
+            // Apply search filter if provided
+            if ($request->has('search') && !empty($request->get('search'))) {
+                $search = $request->get('search');
+                $search = explode('|', $search);
+                if(isset($search[0]) &&!empty($search[0])){
+                    $query->where('province_code',$search[0]);
+                }
+                if(isset($search[1]) &&!empty($search[1])){
+                    $query->where('city_code',$search[1]);
+                }
+
+                if(isset($search[2]) &&!empty($search[2])){
+                    $query->where('district_code',$search[2]);
+                }
+                $query->where(function ($q) use ($search) {
+                    $q->where('code', 'LIKE', "%$search[3]%");
+                    $q->orWhere('name', 'LIKE', "%$search[3]%");
+                });
+            }
+
+            // Apply sorting if provided
+            if ($request->has('sortOrder') && !empty($request->get('sortOrder'))) {
+                $order  = $request->get('sortOrder');
+                $column = $request->get('sortField');
+                $query->orderBy($column, $order);
+            }
+
+            // Get the total count of records
+            $totalRecords = $query->count();
+
+            // Apply pagination if provided
+            if ($request->has('page') && $request->has('size')) {
+                $page   = $request->get('page');
+                $size   = $request->get('size');
+                $offset = ($page - 1) * $size; // Calculate the offset
+
+                $query->skip($offset)->take($size);
+            }
+
+            // Get the filtered count of records
+            $filteredRecords = $query->count();
+
+            // Get the data for the current page
+            $data = $query->with('district.city.province')->get();
+
+            // Calculate the page count
+            $pageCount = ceil($totalRecords / $request->get('size'));
+
+            // Calculate the current page number
+            $currentPage = 0 + 1;
+
+            // Return the response data as a JSON object
+            return response()->json([
+                'draw'            => $request->get('draw'),
+                'recordsTotal'    => $totalRecords,
+                'recordsFiltered' => $filteredRecords,
+                'pageCount'       => $pageCount,
+                'page'            => $currentPage,
+                'totalCount'      => $totalRecords,
+                'data'            => $data,
+            ]);
+        }
+
+    }

app/Http/Requests/VillageRequest.php

@@ -0,0 +1,42 @@
+<?php
+
+    namespace Modules\Location\Http\Requests;
+
+    use Illuminate\Foundation\Http\FormRequest;
+
+    class VillageRequest extends FormRequest
+    {
+        /**
+         * Get the validation rules that apply to the request.
+         */
+        public function rules()
+        : array
+        {
+            $rules = [
+                'province_code' => 'required|exists:provinces,code',
+                'city_code'     => 'required|exists:cities,code',
+                'district_code' => 'required|exists:districts,code',
+                'postal_code'   => 'required|string|max:5',
+                'alt_name'      => 'nullable|string|max:255',
+            ];
+
+            if ($this->method() === 'PUT') {
+                $rules['code'] = 'required|string|max:6|unique:villages,code,' . $this->id;
+                $rules['name'] = 'required|string|max:2554|unique:villages,name,' . $this->id;
+            } else {
+                $rules['code'] = 'required|string|max:6|unique:villages,code';
+                $rules['name'] = 'required|string|max:2554|unique:villages,name';
+            }
+
+            return $rules;
+        }
+
+        /**
+         * Determine if the user is authorized to make this request.
+         */
+        public function authorize()
+        : bool
+        {
+            return true;
+        }
+    }

app/Models/Village.php

@@ -0,0 +1,17 @@
+<?php
+
+namespace Modules\Location\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Modules\Location\Database\Factories\VillageFactory;
+
+class Village extends Base
+{
+    protected $fillable = ['province_code','city_code','district_code', 'code', 'name','alt_name','postal_code'];
+
+    public function district(){
+        return $this->belongsTo(District::class, 'district_code', 'code');
+    }
+
+}