make app database

app/Domain/Loan/Enums/LoanStage.php

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+<?php
+
+namespace App\Domain\Loan\Enums;
+
+enum LoanStage: string
+{
+    case Validation = 'VALIDATION';
+    case FraudCheck = 'FRAUD_CHECK';
+    case GuarantorCheck = 'GUARANTOR_CHECK';
+    case CreditCheck = 'CREDIT_CHECK';
+    case ManagerApproval = 'MANAGER_APPROVAL';
+}

app/Domain/Loan/Enums/LoanStatus.php

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+<?php
+
+namespace App\Domain\Loan\Enums;
+
+enum LoanStatus: string
+{
+    case Submitted = 'SUBMITTED';
+    case InProgress = 'IN_PROGRESS';
+    case ManualReview = 'MANUAL_REVIEW';
+    case Approved = 'APPROVED';
+    case Rejected = 'REJECTED';
+
+    public function isTerminal(): bool
+    {
+        return match ($this) {
+            self::ManualReview, self::Approved, self::Rejected => true,
+            self::Submitted, self::InProgress => false,
+        };
+    }
+}

app/Domain/Loan/Enums/StageResultType.php

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+<?php
+
+namespace App\Domain\Loan\Enums;
+
+enum StageResultType: string
+{
+    case Pass = 'PASS';
+    case Fail = 'FAIL';
+    case ManualReview = 'MANUAL_REVIEW';
+}

app/Domain/Loan/Enums/WorkflowConfigurationStatus.php

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+<?php
+
+namespace App\Domain\Loan\Enums;
+
+enum WorkflowConfigurationStatus: string
+{
+    case Draft = 'DRAFT';
+    case Published = 'PUBLISHED';
+    case Archived = 'ARCHIVED';
+}

app/Models/Loan.php

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+<?php
+
+namespace App\Models;
+
+use App\Domain\Loan\Enums\LoanStatus;
+use Database\Factories\LoanFactory;
+use Illuminate\Database\Eloquent\Attributes\Fillable;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+
+#[Fillable([
+    'public_id',
+    'customer_id',
+    'loan_type_id',
+    'workflow_configuration_id',
+    'current_workflow_configuration_step_id',
+    'amount',
+    'phone',
+    'monthly_income',
+    'credit_score',
+    'has_guarantor',
+    'status',
+])]
+class Loan extends Model
+{
+    /** @use HasFactory<LoanFactory> */
+    use HasFactory;
+
+    protected $attributes = [
+        'status' => LoanStatus::Submitted->value,
+    ];
+
+    public function getRouteKeyName(): string
+    {
+        return 'public_id';
+    }
+
+    public function loanType(): BelongsTo
+    {
+        return $this->belongsTo(LoanType::class);
+    }
+
+    public function workflowConfiguration(): BelongsTo
+    {
+        return $this->belongsTo(WorkflowConfiguration::class);
+    }
+
+    public function currentStep(): BelongsTo
+    {
+        return $this->belongsTo(WorkflowConfigurationStep::class, 'current_workflow_configuration_step_id');
+    }
+
+    public function histories(): HasMany
+    {
+        return $this->hasMany(LoanHistory::class);
+    }
+
+    /**
+     * @return array<string, string>
+     */
+    protected function casts(): array
+    {
+        return [
+            'amount' => 'integer',
+            'monthly_income' => 'integer',
+            'credit_score' => 'integer',
+            'has_guarantor' => 'boolean',
+            'status' => LoanStatus::class,
+        ];
+    }
+}

app/Models/LoanHistory.php

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+<?php
+
+namespace App\Models;
+
+use App\Domain\Loan\Enums\LoanStage;
+use App\Domain\Loan\Enums\StageResultType;
+use Database\Factories\LoanHistoryFactory;
+use Illuminate\Database\Eloquent\Attributes\Fillable;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+#[Fillable([
+    'loan_id',
+    'workflow_configuration_step_id',
+    'stage_code',
+    'rules_snapshot',
+    'result',
+    'reason',
+    'executed_at',
+])]
+class LoanHistory extends Model
+{
+    /** @use HasFactory<LoanHistoryFactory> */
+    use HasFactory;
+
+    public function loan(): BelongsTo
+    {
+        return $this->belongsTo(Loan::class);
+    }
+
+    public function workflowConfigurationStep(): BelongsTo
+    {
+        return $this->belongsTo(WorkflowConfigurationStep::class);
+    }
+
+    /**
+     * @return array<string, string>
+     */
+    protected function casts(): array
+    {
+        return [
+            'stage_code' => LoanStage::class,
+            'rules_snapshot' => 'array',
+            'result' => StageResultType::class,
+            'executed_at' => 'datetime',
+        ];
+    }
+}

app/Models/LoanType.php

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+<?php
+
+namespace App\Models;
+
+use Database\Factories\LoanTypeFactory;
+use Illuminate\Database\Eloquent\Attributes\Fillable;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+
+#[Fillable(['code', 'name', 'is_active'])]
+class LoanType extends Model
+{
+    /** @use HasFactory<LoanTypeFactory> */
+    use HasFactory;
+
+    public function workflowConfigurations(): HasMany
+    {
+        return $this->hasMany(WorkflowConfiguration::class);
+    }
+
+    public function loans(): HasMany
+    {
+        return $this->hasMany(Loan::class);
+    }
+
+    /**
+     * @return array<string, string>
+     */
+    protected function casts(): array
+    {
+        return [
+            'is_active' => 'boolean',
+        ];
+    }
+}

app/Models/StageDefinition.php

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+<?php
+
+namespace App\Models;
+
+use Database\Factories\StageDefinitionFactory;
+use Illuminate\Database\Eloquent\Attributes\Fillable;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+
+#[Fillable(['code', 'name', 'is_active'])]
+class StageDefinition extends Model
+{
+    /** @use HasFactory<StageDefinitionFactory> */
+    use HasFactory;
+
+    public function workflowConfigurationSteps(): HasMany
+    {
+        return $this->hasMany(WorkflowConfigurationStep::class);
+    }
+
+    /**
+     * @return array<string, string>
+     */
+    protected function casts(): array
+    {
+        return [
+            'is_active' => 'boolean',
+        ];
+    }
+}

app/Models/WorkflowConfiguration.php

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+<?php
+
+namespace App\Models;
+
+use App\Domain\Loan\Enums\WorkflowConfigurationStatus;
+use Database\Factories\WorkflowConfigurationFactory;
+use Illuminate\Database\Eloquent\Attributes\Fillable;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+
+#[Fillable(['loan_type_id', 'name', 'version', 'status', 'published_at', 'created_by'])]
+class WorkflowConfiguration extends Model
+{
+    /** @use HasFactory<WorkflowConfigurationFactory> */
+    use HasFactory;
+
+    protected $attributes = [
+        'status' => WorkflowConfigurationStatus::Draft->value,
+    ];
+
+    public function loanType(): BelongsTo
+    {
+        return $this->belongsTo(LoanType::class);
+    }
+
+    public function steps(): HasMany
+    {
+        return $this->hasMany(WorkflowConfigurationStep::class)->orderBy('position');
+    }
+
+    public function loans(): HasMany
+    {
+        return $this->hasMany(Loan::class);
+    }
+
+    public function creator(): BelongsTo
+    {
+        return $this->belongsTo(User::class, 'created_by');
+    }
+
+    public function isEditable(): bool
+    {
+        return $this->status === WorkflowConfigurationStatus::Draft;
+    }
+
+    /**
+     * @return array<string, string>
+     */
+    protected function casts(): array
+    {
+        return [
+            'status' => WorkflowConfigurationStatus::class,
+            'published_at' => 'datetime',
+        ];
+    }
+}

app/Models/WorkflowConfigurationStep.php

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+<?php
+
+namespace App\Models;
+
+use Database\Factories\WorkflowConfigurationStepFactory;
+use Illuminate\Database\Eloquent\Attributes\Fillable;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+
+#[Fillable(['workflow_configuration_id', 'stage_definition_id', 'position', 'rules', 'is_enabled'])]
+class WorkflowConfigurationStep extends Model
+{
+    /** @use HasFactory<WorkflowConfigurationStepFactory> */
+    use HasFactory;
+
+    public function workflowConfiguration(): BelongsTo
+    {
+        return $this->belongsTo(WorkflowConfiguration::class);
+    }
+
+    public function stageDefinition(): BelongsTo
+    {
+        return $this->belongsTo(StageDefinition::class);
+    }
+
+    public function loanHistories(): HasMany
+    {
+        return $this->hasMany(LoanHistory::class);
+    }
+
+    /**
+     * @return array<string, string>
+     */
+    protected function casts(): array
+    {
+        return [
+            'rules' => 'array',
+            'is_enabled' => 'boolean',
+        ];
+    }
+}