{backup,snapshot}: Rename common code to export

internal/models/export.go

@@ -0,0 +1,18 @@
+package models
+
+import "time"
+
+// ExportTable is the name of the table the [Export] model is stored in.
+// NOTE(twiesing): It is called snapshot for legacy reasons
+const ExportTable = "snapshot"
+
+// Export represents an entry in the export log
+type Export struct {
+	Pk uint `gorm:"column:pk;primaryKey"`
+
+	Slug    string    `gorm:"column:slug"`    // slug of instance
+	Created time.Time `gorm:"column:created"` // time the backup was created
+
+	Path   string `gorm:"column:path;not null"`   // path the export is stored at
+	Packed bool   `gorm:"column:packed;not null"` // was the export packed, or was it staging only?
+}