Resource availability widget

app/Widgets/ResourceAvailability.php

@@ -3,6 +3,9 @@
 namespace App\Widgets;
 
 use Arrilot\Widgets\AbstractWidget;
+use Carbon\Carbon;
+use App\Models\Resource;
+use Illuminate\Support\Facades\Log;
 
 class ResourceAvailability extends AbstractWidget
 {
@@ -19,10 +22,120 @@ class ResourceAvailability extends AbstractWidget
      */
     public function run()
     {
-        //
+        // work out availability
+        $nextThreeMonths = [];
+
+        for ($i = 0; $i < 3; $i++) {
+            $date = Carbon::now()->addMonthsNoOverflow($i);
+            $nextThreeMonths[] = [
+                'year' => $date->year,
+                'month' => $date->month,
+                'monthName' => $date->format('F'),
+            ];
+        }
+
+        $resources = Resource::whereHas('contracts', function ($query) {
+            $query->where('start_date', '<=', now())
+                ->where('end_date', '>=', now());
+        })->paginate();
+
+        foreach ($resources as $resource) {
+
+            $resourceAvailability[$resource->id] = [
+                'name' => $resource->full_name,
+            ];
+            $currentContract = $resource->contracts()->where('start_date', '<=', now())
+                ->where('end_date', '>=', now())
+                ->first();
+
+            if ($currentContract) {
+                // Calculate base availability for each month
+                $contractStartDate = Carbon::parse($currentContract->start_date);
+                $contractEndDate = Carbon::parse($currentContract->end_date);
+
+                foreach ($nextThreeMonths as $month) {
+                    $monthStartDate = Carbon::create($month['year'], $month['month'], 1);
+                    $monthEndDate = $monthStartDate->copy()->endOfMonth();
+
+                    if (
+                        $contractStartDate->isBetween($monthStartDate, $monthEndDate) ||
+                        $contractEndDate->isBetween($monthStartDate, $monthEndDate) ||
+                        ($contractStartDate->lessThanOrEqualTo($monthStartDate) && $contractEndDate->greaterThanOrEqualTo($monthEndDate))
+                    ) {
+                        // If the contract overlaps with the month, calculate availability
+                        if (
+                            $contractStartDate->isSameMonth($monthStartDate) ||
+                            $contractEndDate->isSameMonth($monthEndDate)
+                        ) {
+                            // If the contract start_date or end_date lands in this month, calculate the percentage of the month inside the contract
+                            $daysInMonth = $monthEndDate->diffInDays($monthStartDate) + 1;
+                            $contractDaysInMonth = min($contractEndDate, $monthEndDate)->diffInDays(max($contractStartDate, $monthStartDate)) + 1;
+                            $baseAvailability = round(($contractDaysInMonth / $daysInMonth) * $currentContract->availability, 2);
+                        } else {
+                            // Otherwise, it will be the availability
+                            $baseAvailability = $currentContract->availability;
+                        }
+                        // Use year-month as the key
+                        $key = $month['year'] . '-' . str_pad($month['month'], 2, '0', STR_PAD_LEFT);
+
+                        // Add the calculated base availability to the resource availability array
+                        $resourceAvailability[$resource->id]['availability'][$key] = $baseAvailability;
+                    }
+                    //now check for leave
+                    foreach ($resource->leaves as $leave) {
+                        $leaveStartDate = Carbon::parse($leave->start_date);
+                        $leaveEndDate = Carbon::parse($leave->end_date);
+
+                        if (
+                            $leaveStartDate->isBetween($monthStartDate, $monthEndDate) ||
+                            $leaveEndDate->isBetween($monthStartDate, $monthEndDate) ||
+                            ($leaveStartDate->lessThanOrEqualTo($monthStartDate) && $leaveEndDate->greaterThanOrEqualTo($monthEndDate))
+                        ) {
+                            // If the leave overlaps with the month, calculate availability
+                            if (
+                                $leaveStartDate->isSameMonth($monthStartDate) ||
+                                $leaveEndDate->isSameMonth($monthEndDate)
+                            ) {
+                                // If the leave start_date or end_date lands in this month, calculate the percentage of the month inside the leave
+                                $daysInMonth = $monthEndDate->diffInDays($monthStartDate) + 1;
+                                $leaveDaysInMonth = min($leaveEndDate, $monthEndDate)->diffInDays(max($leaveStartDate, $monthStartDate)) + 1;
+                                $leaveAvailability = round(($leaveDaysInMonth / $daysInMonth) * 1.00, 2);
+                            } else {
+                                // Otherwise, it will be 100
+                                $leaveAvailability = 1.00;
+                            }
+                            // Use year-month as the key
+                            $key = $month['year'] . '-' . str_pad($month['month'], 2, '0', STR_PAD_LEFT);
+
+                            // Add the calculated base availability to the resource availability array
+                            $resourceAvailability[$resource->id]['availability'][$key] = $resourceAvailability[$resource->id]['availability'][$key] - $leaveAvailability;
+
+                        }
+                    }
+                }
+            }
+
+        }
+        Log::info("resourceAvailability: " . json_encode($resourceAvailability));
+        // Initialize the array with all year-months and 1.00 as default availability
+        $yearMonthSums = [];
+
+        foreach ($resourceAvailability as $resourceId => $resourceInfo) {
+            foreach ($resourceInfo['availability'] as $yearMonth => $availability) {
+                $date = Carbon::createFromFormat('Y-m', $yearMonth);
+                $yearMonthShortName = $date->format('M');
+
+                if (!isset($yearMonthSums[$yearMonthShortName])) {
+                    $yearMonthSums[$yearMonthShortName] = 0;
+                }
+                $yearMonthSums[$yearMonthShortName] += $availability;
+            }
+        }
+            Log::info("Year-Month:  " . json_encode($yearMonthSums));
 
         return view('widgets.resource_availability', [
             'config' => $this->config,
+            'yearMonthSums' => $yearMonthSums,
         ]);
     }
 }

resources/views/widgets/average_workload.blade.php

@@ -1,4 +1,4 @@
-<div>
+<div class="bg-secondary">
     <div class="row">
         <div class="col mt-0">
             <h5 class="card-title">Average Workload</h5>

resources/views/widgets/demand_funnel.blade.php

@@ -1,4 +1,4 @@
-<div>
+<div class="bg-secondary">
 <style>
     .funnel .funnel-level {
         background-color: #f8f9fa;

resources/views/widgets/resource_availability.blade.php

@@ -10,9 +10,25 @@
             </div>
         </div>
     </div>
-    <h1 class="mt-1 mb-3">16</h1>
+    <div class="row">
+        @foreach($yearMonthSums as $month => $sum)
+            <div class="col">
+                <div style="margin-bottom: 0; padding-bottom: 0" class="row justify-content-center align-items-end">
+                    <div class="col text-center">
+                        <h1 style="margin-bottom: 0; padding-bottom: 0">{{ number_format(round($sum, 1), 1) }}</h1>
+                    </div>
+                </div>
+                <div class="row justify-content-center align-items-start">
+                    <div class="col text-center">
+                        {{ $month }}
+                    </div>
+                </div>
+            </div>
+        @endforeach
+    </div>
+
     <div class="mb-0">
-        <span class="text-danger">-3.65%</span>
-        <span class="text-muted">Since last month</span>
+        <span class="text-danger">{{ number_format((($yearMonthSums[array_key_last($yearMonthSums)] / $yearMonthSums[array_key_first($yearMonthSums)] - 1) * 100), 2) }}%</span>
+        <span class="text-muted">next month</span>
     </div>
 </div>

resources/views/widgets/skill_set_coverage.blade.php

@@ -1,4 +1,4 @@
-<div>
+<div class="bg-secondary">
     <div class="row">
         <div class="col mt-0">
             <h5 class="card-title">Skill Set Coverage and Gaps</h5>

resources/views/widgets/unrecovered_costs.blade.php

@@ -1,4 +1,4 @@
-<div>
+<div class="bg-secondary">
     <div class="row">
         <div class="col mt-0">
             <h5 class="card-title">Unrecovered Resource Cost</h5>

resources/views/widgets/upcoming_demand.blade.php

@@ -1,4 +1,4 @@
-<div>
+<div class="bg-secondary">
     <div class="row">
         <div class="col mt-0">
             <h5 class="card-title">Upcoming Demands</h5>