init

internal/models/transaction_image.go

@@ -0,0 +1,41 @@
+package models
+
+import (
+	"time"
+)
+
+// TransactionImage represents an image attachment for a transaction
+// Feature: accounting-feature-upgrade
+// Validates: Requirements 4.1-4.8
+type TransactionImage struct {
+	ID            uint      `gorm:"primarykey" json:"id"`
+	TransactionID uint      `gorm:"not null;index" json:"transaction_id"`
+	FilePath      string    `gorm:"size:255;not null" json:"file_path"`
+	FileName      string    `gorm:"size:100" json:"file_name"`
+	FileSize      int64     `json:"file_size"`
+	MimeType      string    `gorm:"size:50" json:"mime_type"`
+	CreatedAt     time.Time `json:"created_at"`
+
+	// Relationships
+	Transaction Transaction `gorm:"foreignKey:TransactionID" json:"-"`
+}
+
+// TableName specifies the table name for TransactionImage
+func (TransactionImage) TableName() string {
+	return "transaction_images"
+}
+
+// Image attachment constraints
+const (
+	// MaxImagesPerTransaction limits the number of images per transaction
+	// Validates: Requirements 4.9
+	MaxImagesPerTransaction = 9
+
+	// MaxImageSizeBytes limits the size of each image to 10MB
+	// Validates: Requirements 4.10
+	MaxImageSizeBytes = 10 * 1024 * 1024 // 10MB
+
+	// AllowedImageTypes specifies the supported image formats
+	// Validates: Requirements 4.11
+	AllowedImageTypes = "image/jpeg,image/png,image/heic"
+)