add payment option

app/Models/Account.php

@@ -42,4 +42,18 @@ public function debts(): HasMany
         return $this->hasMany(\App\Models\Debt::class);
     }
 
+    public function payments(): HasMany
+    {
+        return $this->hasMany(\App\Models\Payment::class);
+    }
+
+    public function bookings(): HasMany
+    {
+        return $this->hasMany(\App\Models\Booking::class);
+    }
+
+    public function contract(): BelongsTo
+    {
+        return $this->belongsTo(\App\Models\Contract::class);
+    }
 }

app/Models/AccountType.php

@@ -8,4 +8,9 @@
 class AccountType extends Model
 {
     use HasFactory;
+
+    protected $fillable = [
+        'name',
+        'description',
+    ];
 }

app/Models/Booking.php

@@ -0,0 +1,81 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\SoftDeletes;
+
+class Booking extends Model
+{
+    use HasFactory;
+    use SoftDeletes;
+
+    protected $fillable = [
+        'account_id',
+        'payment_id',
+        'amount_cents',
+        'type',
+        'description',
+        'booked_at',
+    ];
+
+    protected function casts(): array
+    {
+        return [
+            'booked_at' => 'datetime',
+            'amount_cents' => 'integer',
+        ];
+    }
+
+    public function account(): BelongsTo
+    {
+        return $this->belongsTo(Account::class);
+    }
+
+    public function payment(): BelongsTo
+    {
+        return $this->belongsTo(Payment::class);
+    }
+
+    protected static function booted(): void
+    {
+        static::created(function (Booking $booking): void {
+            $booking->applyToAccountBalance(+1);
+        });
+
+        static::deleted(function (Booking $booking): void {
+            // Soft delete should revert the effect on balance
+            $booking->applyToAccountBalance(-1);
+        });
+
+        static::restored(function (Booking $booking): void {
+            // Re-apply when restored
+            $booking->applyToAccountBalance(+1);
+        });
+    }
+
+    /**
+     * Apply or revert the booking effect on account balance.
+     *
+     * @param  int  $multiplier  +1 to apply, -1 to revert
+     */
+    protected function applyToAccountBalance(int $multiplier = 1): void
+    {
+        $account = $this->account;
+        if (! $account) {
+            return;
+        }
+
+        $delta = ($this->amount_cents / 100.0);
+        if ($this->type === 'credit') {
+            // Credit decreases the receivable (balance goes down)
+            $delta = -$delta;
+        }
+        // Debit increases receivable (balance up), credit decreases
+        $account->forceFill([
+            'balance_amount' => (float) ($account->balance_amount ?? 0) + ($multiplier * $delta),
+        ])->save();
+    }
+}

app/Models/Payment.php

@@ -2,16 +2,76 @@
 
 namespace App\Models;
 
+use Illuminate\Database\Eloquent\Casts\Attribute;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+use Illuminate\Database\Eloquent\SoftDeletes;
+use App\Models\Activity;
 
 class Payment extends Model
 {
     use HasFactory;
+    use SoftDeletes;
+
+    protected $fillable = [
+        'account_id',
+        'amount_cents',
+        'currency',
+        'reference',
+        'paid_at',
+        'meta',
+        'created_by',
+        'activity_id',
+    ];
+
+    protected function casts(): array
+    {
+        return [
+            'paid_at' => 'datetime',
+            'meta' => 'array',
+            'amount_cents' => 'integer',
+        ];
+    }
+
+    public function account(): BelongsTo
+    {
+        return $this->belongsTo(Account::class);
+    }
+
+    public function bookings(): HasMany
+    {
+        return $this->hasMany(Booking::class);
+    }
+
+    public function activity(): BelongsTo
+    {
+        return $this->belongsTo(Activity::class);
+    }
 
     public function type(): BelongsTo
     {
         return $this->belongsTo(\App\Models\PaymentType::class);
     }
+
+    /**
+     * Accessor to expose decimal amount for JSON serialization and UI convenience.
+     */
+    protected function amount(): Attribute
+    {
+        return Attribute::get(function () {
+            $cents = (int) ($this->attributes['amount_cents'] ?? 0);
+
+            return $cents / 100;
+        });
+    }
+
+    /**
+     * Mutator to set amount via decimal; stores in cents.
+     */
+    public function setAmountAttribute($value): void
+    {
+        $this->attributes['amount_cents'] = (int) round(((float) $value) * 100);
+    }
 }

app/Models/PaymentSetting.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+
+class PaymentSetting extends Model
+{
+    use HasFactory;
+
+    protected $fillable = [
+        'default_currency',
+        'create_activity_on_payment',
+        'default_decision_id',
+        'default_action_id',
+        'activity_note_template',
+    ];
+}