Additional Changes

Modules/ProjectManagement/app/Models/Project.php

@@ -32,12 +32,17 @@ class Project extends Model
         'location',
         'status',
         'contract_value',
+        'total_estimated_value',
         'contract_duration',
         'start_date',
         'target_end_date',
         'actual_end_date',
         'completion_percentage',
         'total_capitalization',
+        'parent_project_id',
+        'project_type',
+        'is_unprofitable',
+        'current_wizard_step',
     ];
 
     protected function casts(): array
@@ -45,12 +50,14 @@ class Project extends Model
         return [
             'status' => ProjectStatus::class,
             'contract_value' => 'decimal:2',
+            'total_estimated_value' => 'decimal:2',
             'total_capitalization' => 'decimal:2',
             'completion_percentage' => 'decimal:2',
             'contract_duration' => 'integer',
             'start_date' => 'date',
             'target_end_date' => 'date',
             'actual_end_date' => 'date',
+            'is_unprofitable' => 'boolean',
         ];
     }
 
@@ -130,6 +137,21 @@ class Project extends Model
         return $this->hasMany(BidPackage::class);
     }
 
+    public function parentProject(): BelongsTo
+    {
+        return $this->belongsTo(Project::class, 'parent_project_id');
+    }
+
+    public function extensionProjects(): HasMany
+    {
+        return $this->hasMany(Project::class, 'parent_project_id');
+    }
+
+    public function materialsEstimates(): HasMany
+    {
+        return $this->hasMany(ProjectMaterialsEstimate::class);
+    }
+
     // --- State Machine Helpers ---
 
     public function transitionTo(ProjectStatus $newStatus): void
@@ -150,6 +172,16 @@ class Project extends Model
             }
         }
 
+        // Guard: prevent parent project from being completed/closed until all of its child projects are completed/closed
+        if (in_array($newStatus, [ProjectStatus::Completed, ProjectStatus::Closed])) {
+            $uncompletedChildren = $this->extensionProjects()
+                ->whereNotIn('status', [ProjectStatus::Completed->value, ProjectStatus::Closed->value])
+                ->exists();
+            if ($uncompletedChildren) {
+                throw new \InvalidArgumentException('Cannot complete or close parent project while there are active child projects (extensions).');
+            }
+        }
+
         $this->update(['status' => $newStatus]);
     }
 
@@ -160,6 +192,11 @@ class Project extends Model
         return $query->where('status', $status);
     }
 
+    public function scopeActive($query)
+    {
+        return $query->whereNotIn('status', [ProjectStatus::Completed, ProjectStatus::Closed]);
+    }
+
     // --- Accessors ---
 
     public function getProjectManagerAttribute(): ?User
@@ -189,14 +226,42 @@ class Project extends Model
 
     public function getMilestoneCompletionAttribute(): float
     {
-        $milestones = $this->milestones;
+        $milestones = $this->milestones()->with('tasks')->get();
         if ($milestones->isEmpty()) {
             return 0;
         }
 
-        return (float) $milestones
-            ->where('actual_date', '!=', null)
-            ->sum('weight_percentage');
+        $totalProgress = 0;
+        foreach ($milestones as $milestone) {
+            $tasks = $milestone->tasks;
+            $milestoneProgress = 0;
+            if ($tasks->isNotEmpty()) {
+                $milestoneProgress = $tasks->avg('completion_percentage') ?? 0;
+            } elseif ($milestone->actual_date !== null) {
+                $milestoneProgress = 100;
+            }
+            $totalProgress += ($milestoneProgress * (float) $milestone->weight_percentage) / 100;
+        }
+
+        return round($totalProgress, 2);
+    }
+
+    public function getRollupCapitalizationAttribute(): float
+    {
+        $childSum = $this->extensionProjects->sum(fn ($child) => $child->rollup_capitalization);
+        return (float) $this->total_capitalization + $childSum;
+    }
+
+    public function getRollupEstimatedValueAttribute(): float
+    {
+        $childSum = $this->extensionProjects->sum(fn ($child) => $child->rollup_estimated_value);
+        return (float) $this->total_estimated_value + $childSum;
+    }
+
+    public function getRollupContractValueAttribute(): float
+    {
+        $childSum = $this->extensionProjects->sum(fn ($child) => $child->rollup_contract_value);
+        return (float) $this->contract_value + $childSum;
     }
 
     public function getWeatherDelayDaysAttribute(): int
@@ -210,4 +275,18 @@ class Project extends Model
 
         return $milestoneDays + (int) ceil($taskDelayHours / 8);
     }
+
+    public function onApprovalCompleted($chain): void
+    {
+        if ($chain->status->value === 'approved') {
+            $this->update([
+                'status' => ProjectStatus::InProgress,
+                'current_wizard_step' => 8,
+            ]);
+        } elseif ($chain->status->value === 'rejected') {
+            $this->update([
+                'current_wizard_step' => 6,
+            ]);
+        }
+    }
 }