feat(TransmittalResource): enhance search functionality across related models

Implement wildcard search on transmittal series, notes, and files to improve user experience when filtering records. Also extend search capabilities to client company and branch code fields for more comprehensive filtering.

app/Filament/Resources/TransmittalResource.php

@@ -45,16 +45,36 @@ class TransmittalResource extends Resource
             ->columns([
                 Tables\Columns\Layout\Split::make([
                     Tables\Columns\TextColumn::make('series')
-                        ->searchable()
+                        ->searchable(query: function (Builder $query, string $search): Builder {
+                            $wildcardSearch = '%' . str_replace(' ', '%', $search) . '%';
+
+                            return $query->where(function (Builder $query) use ($wildcardSearch) {
+                                $query->where('series', 'like', $wildcardSearch)
+                                    ->orWhereHas('notes', function (Builder $query) use ($wildcardSearch) {
+                                        $query->where('comment', 'like', $wildcardSearch);
+                                    })
+                                    ->orWhereHas('files', function (Builder $query) use ($wildcardSearch) {
+                                        $query->where('description', 'like', $wildcardSearch);
+                                    });
+                            });
+                        })
                         ->label('Series')
                         ->weight(FontWeight::Bold)
                         ->columnSpan(2),
                     Tables\Columns\Layout\Stack::make([
                         Tables\Columns\TextColumn::make('client.company')
-                            ->searchable()
+                            ->searchable(query: function (Builder $query, string $search): Builder {
+                                return $query->whereHas('client', function (Builder $query) use ($search) {
+                                    $query->where('company', 'like', '%' . str_replace(' ', '%', $search) . '%');
+                                });
+                            })
                             ->weight(FontWeight::SemiBold)->label('Client'),
                         Tables\Columns\TextColumn::make('branch.code')
-                            ->searchable()
+                            ->searchable(query: function (Builder $query, string $search): Builder {
+                                return $query->whereHas('branch', function (Builder $query) use ($search) {
+                                    $query->where('code', 'like', '%' . str_replace(' ', '%', $search) . '%');
+                                });
+                            })
                             ->label('Branch'),
                     ]),
                 ]),