Migrate backend to Porto architecture and fix minor bugs

- Fully transitioned the backend to the Porto architectural pattern
- Improved code organization and maintainability
- Fixed minor bugs and inconsistencies

app/Containers/Education/Models/AdmissionCampaign.php

@@ -0,0 +1,36 @@
+<?php
+
+namespace App\Containers\Education\Models;
+
+use App\Ship\Models\Model;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+use Illuminate\Database\Eloquent\Relations\HasManyThrough;
+
+class AdmissionCampaign extends Model
+{
+    use HasFactory;
+
+    protected $guarded = false;
+
+    protected $casts = [
+      'info' => 'array'
+    ];
+
+    public function admission_plans(): HasMany
+    {
+        return $this->hasMany(AdmissionPlan::class, 'admission_campaigns_id', 'id');
+    }
+
+    public function educationalPrograms(): HasManyThrough
+    {
+        return $this->hasManyThrough(
+            EducationalProgram::class,
+            AdmissionPlan::class,
+            'admission_campaigns_id', // внешний ключ в AdmissionPlan
+            'id',                     // внешний ключ в EducationalPrograms
+            'id',                     // локальный ключ в AdmissionCampaign
+            'educational_programs_id' // локальный ключ в AdmissionPlan
+        );
+    }
+}

app/Containers/Education/Models/AdmissionPlan.php

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+<?php
+
+namespace App\Containers\Education\Models;
+
+use App\Ship\Models\Model;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+class AdmissionPlan extends Model
+{
+    use HasFactory;
+
+    protected $guarded = false;
+
+    protected $casts = [
+        'exams' => 'array',
+        'contests' => 'array'
+    ];
+
+    public function educationalProgram(): BelongsTo
+    {
+        return $this->belongsTo(EducationalProgram::class, 'educational_programs_id', 'id');
+    }
+
+    public function admissionCampaign(): BelongsTo
+    {
+        return $this->belongsTo(AdmissionCampaign::class, 'admission_campaigns_id', 'id');
+    }
+}

app/Containers/Education/Models/DirectionStudy.php

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+<?php
+
+namespace App\Containers\Education\Models;
+
+use App\Ship\Enums\Education\LevelEducational;
+use App\Ship\Models\Model;
+use Illuminate\Database\Eloquent\Builder;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+
+
+class DirectionStudy extends Model
+{
+    use HasFactory;
+
+    protected $guarded = false;
+
+    protected $casts = [
+        'lvl_edu' => LevelEducational::class,
+    ];
+
+    public function programs(): HasMany
+    {
+        return $this->hasMany(EducationalProgram::class);
+    }
+
+    public function scopeWithActivePrograms(Builder $query): Builder
+    {
+        return $query->with(['programs' => function ($query) {
+            $query->whereHas('admission_plans.admissionCampaign', function ($q) {
+                $q->where('status', 1);
+            });
+        }]);
+    }
+
+    public function scopeWithActiveAdmissionCampaign(Builder $query): Builder
+    {
+        return $query->whereHas('programs.admission_plans.admissionCampaign', function ($q) {
+            $q->where('status', 1);
+        });
+    }
+
+    public function scopeWithAdmissionCampaignByYear(Builder $query, string $year): Builder
+    {
+        return $query->whereHas('programs.admission_plans.admissionCampaign', function ($q) use ($year) {
+            $q->where('status', 1)->where('academic_year', $year);
+        });
+    }
+
+    public function scopeForBachelorLevel(Builder $query): Builder
+    {
+        return $query->where('lvl_edu', LevelEducational::BACHELOR);
+    }
+
+    public function scopeForMiddleLevel(Builder $query): Builder
+    {
+        return $query->whereIn('lvl_edu', [LevelEducational::MIDDLE_LEVEL_SPECIALIST_TRAINING, LevelEducational::PREPARATION_OF_QUALIFIED_WORKERS]);
+    }
+
+    public function scopeForMasterLevel(Builder $query): Builder
+    {
+        return $query->where('lvl_edu', LevelEducational::MASTER);
+    }
+}

app/Containers/Education/Models/EducationalProgram.php

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+<?php
+
+namespace App\Containers\Education\Models;
+
+use App\Containers\InstituteStructure\Models\Department;
+use App\Ship\Enums\Education\LevelEducational;
+use App\Ship\Models\Model;
+use App\Ship\Traits\HasSeo;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\BelongsToMany;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+
+class EducationalProgram extends Model
+{
+    use HasFactory, HasSeo;
+
+    protected $guarded = false;
+
+
+    protected $casts = [
+        'program_features' => 'array',
+        'about_program' => 'array',
+        'learning_forms' => 'array',
+        'lvl_edu' => LevelEducational::class,
+    ];
+
+    public function directionStudy(): BelongsTo
+    {
+        return $this->belongsTo(DirectionStudy::class);
+    }
+
+    public function departments(): BelongsToMany
+    {
+        return $this->belongsToMany(Department::class, 'program_department');
+    }
+
+
+    public function admission_plans(): HasMany
+    {
+        return $this->hasMany(AdmissionPlan::class, 'educational_programs_id', 'id');
+    }
+}