89 lines
3.1 KiB
Go
89 lines
3.1 KiB
Go
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package models
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import (
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"errors"
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"time"
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"gorm.io/gorm"
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)
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// BookingStatus represents the possible states of a booking
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type BookingStatus string
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const (
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BookingStatusScheduled BookingStatus = "scheduled"
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BookingStatusCompleted BookingStatus = "completed"
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BookingStatusCancelled BookingStatus = "cancelled"
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)
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// PaymentStatus represents the possible states of a payment
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type PaymentStatus string
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const (
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PaymentStatusPending PaymentStatus = "pending"
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PaymentStatusSucceeded PaymentStatus = "succeeded"
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PaymentStatusFailed PaymentStatus = "failed"
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PaymentStatusRefunded PaymentStatus = "refunded"
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)
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// Booking represents a scheduled meeting
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type Booking struct {
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gorm.Model
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UserID uint `json:"user_id" gorm:"not null;index" validate:"required"`
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User User `json:"user" gorm:"foreignKey:UserID;constraint:OnUpdate:CASCADE,OnDelete:CASCADE"`
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ScheduledAt time.Time `json:"scheduled_at" gorm:"not null;index" validate:"required"`
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Duration int `json:"duration" gorm:"default:60;check:duration > 0" validate:"min=15,max=480"` // minutes, 15min to 8hrs
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Status BookingStatus `json:"status" gorm:"default:'scheduled';size:20" validate:"required,oneof=scheduled completed cancelled"`
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JitsiRoomID string `json:"jitsi_room_id" gorm:"size:255;index"`
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JitsiRoomURL string `json:"jitsi_room_url" gorm:"size:500"`
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PaymentID string `json:"payment_id" gorm:"size:255;index"`
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PaymentStatus PaymentStatus `json:"payment_status" gorm:"size:20" validate:"omitempty,oneof=pending succeeded failed refunded"`
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Amount float64 `json:"amount" gorm:"type:decimal(10,2);check:amount >= 0" validate:"min=0"`
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Notes string `json:"notes" gorm:"type:text"`
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}
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// BeforeCreate is a GORM hook that runs before creating a booking record
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func (b *Booking) BeforeCreate(tx *gorm.DB) error {
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// Validate that the scheduled time is in the future
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if b.ScheduledAt.Before(time.Now()) {
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return errors.New("booking cannot be scheduled in the past")
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}
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// Set default status if not provided
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if b.Status == "" {
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b.Status = BookingStatusScheduled
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}
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// Set default duration if not provided
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if b.Duration == 0 {
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b.Duration = 60
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}
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return nil
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}
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// BeforeUpdate is a GORM hook that runs before updating a booking record
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func (b *Booking) BeforeUpdate(tx *gorm.DB) error {
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// Prevent updating completed bookings
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if b.Status == BookingStatusCompleted {
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return errors.New("cannot modify completed bookings")
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}
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return nil
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}
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// CanBeCancelled checks if the booking can be cancelled
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func (b *Booking) CanBeCancelled() bool {
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return b.Status == BookingStatusScheduled && b.ScheduledAt.After(time.Now().Add(24*time.Hour))
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}
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// CanBeRescheduled checks if the booking can be rescheduled
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func (b *Booking) CanBeRescheduled() bool {
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return b.Status == BookingStatusScheduled && b.ScheduledAt.After(time.Now().Add(2*time.Hour))
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}
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// IsUpcoming checks if the booking is scheduled for the future
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func (b *Booking) IsUpcoming() bool {
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return b.Status == BookingStatusScheduled && b.ScheduledAt.After(time.Now())
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}
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