HumidityPi/Laravel/app/Http/Controllers/PagesController.php

<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;
use Charts;

use App\Stats;
use App\Http\Requests;

class PagesController extends Controller
{
    //
public function details() {
        $pagetitle = 'Details';
        $activeNav = 'details';

                        
        $latestTemp = Stats::select('temperature')
                                ->where('node_id', 1)
                                ->orderBy('created_at', 'desc')
                                ->limit('1')
                                ->pluck('temperature');
        
        $latestHumidity = Stats::select('humidity')
                                ->where('node_id', 1)
                                ->orderBy('created_at', 'desc')
                                ->limit('1')
                                ->pluck('humidity');
                                
        $latestGM3 = Stats::select('gm3')
                                ->where('node_id', 1)
                                ->orderBy('created_at', 'desc')
                                ->limit('1')
                                ->pluck('gm3');
                                
        $latestTemp = '' . $latestTemp[0];
        $latestHumidity = '' . $latestHumidity[0];
        $latestGM3 = '' . $latestGM3[0];
        
        
        
        for ($i = 1; $i <= 2; $i++) {
        
        $temperature = Stats::select('temperature')
                        ->where('node_id', $i)
                        ->limit('144')
                        ->orderBy('created_at', 'desc')
                        ->pluck('temperature');
                        
        $humidity = Stats::select('humidity')
                        ->where('node_id', $i)
                        ->limit('144')
                        ->orderBy('created_at', 'desc')
                        ->pluck('humidity');
        
        $gm3 = Stats::select('gm3')
                        ->where('node_id', $i)
                        ->limit('144')
                        ->orderBy('created_at', 'desc')
                        ->pluck('gm3');
                        
        $created_at = Stats::select('created_at')
                        ->where('node_id', $i)
                        ->limit('144')
                        ->orderBy('created_at', 'desc')
                        ->pluck('created_at');
        
        $chart[$i - 1] = Charts::multi('line', 'material')
            ->title('Zusammenfassung Node ' . $i . ' (°C, %, g/m³)')
            ->dimensions(0, 400) // Width x Height
            // This defines a preset of colors already done:)
            ->template("material")
            // You could always set them manually
            // ->colors(['#2196F3', '#F44336', '#FFC107'])
            // Setup the diferent datasets (this is a multi chart)
            ->dataset('°C', $temperature)
            ->dataset('%', $humidity)
            ->dataset('g/m³', $gm3)
            // Setup what the values mean
            ->labels($created_at);
        
        }
        
        
        
        
        /*
            
        $chart[1] = Charts::multi('line', 'material')
            ->title("Temperatur")
            ->dimensions(0, 400) // Width x Height
            // This defines a preset of colors already done:)
            ->template("material")
            // You could always set them manually
            // ->colors(['#2196F3', '#F44336', '#FFC107'])
            // Setup the diferent datasets (this is a multi chart)
            ->dataset('°C', $temperature)
            //->dataset('%', $humidity)
            //->dataset('g/m³', $gm3)
            // Setup what the values mean
            ->labels($created_at);
        */
        return view('details')->with([
            'pagetitle' => $pagetitle,
            'activeNav' => $activeNav,
            'chart' => $chart,
            'latestTemp' => $latestTemp,
            'latestHumidity' => $latestHumidity,
            'latestGM3' => $latestGM3,
        ]);
    }

    public function dashboard() {
        $pagetitle = 'Dashboard';
        $activeNav = 'dashboard';
        
        
        //Db queries
        $latestTemp = Stats::select('temperature')
                                ->where('node_id', 1)
                                ->orderBy('created_at', 'desc')
                                ->limit('1')
                                ->pluck('temperature');
        
        $latestHumidity = Stats::select('humidity')
                                ->where('node_id', 1)
                                ->orderBy('created_at', 'desc')
                                ->limit('1')
                                ->pluck('humidity');
                                
        $latestGM3 = Stats::select('gm3')
                                ->where('node_id', 1)
                                ->orderBy('created_at', 'desc')
                                ->limit('1')
                                ->pluck('gm3');
        
        //Pick values from array
        $latestTemp = $latestTemp[0];
        $latestHumidity = $latestHumidity[0];
        $latestGM3 = $latestGM3[0];
        
        //prepare suggestion
        $compareIDs = '1-2';
        $ids = explode('-', $compareIDs);
        $z = 0;
        
        foreach ($ids as $values) {
            $compareGM3[$z++] = Stats::select('gm3')
                                ->where('node_id', $values)
                                ->orderBy('created_at', 'desc')
                                ->limit('1')
                                ->pluck('gm3');
        }
        
        $lowerHumidityMode = true; //true --> suggestion lowers inside humidity; false --> suggestion heighten inside humidity
        if ($lowerHumidityMode) {
            ($compareGM3[0] > $compareGM3[1]) ? $air = true : $air = false;
        } else {
            ($compareGM3[0] < $compareGM3[1]) ? $air = true : $air = false;
        }
        
        return view('dashboard')->with([
            'pagetitle' => $pagetitle,
            'activeNav' => $activeNav,
            'latestTemp' => $latestTemp,
            'latestHumidity' => $latestHumidity,
            'latestGM3' => $latestGM3,
            'air' => $air,
        ]);
    }
    
    
}