Implement rough architecture

backend/mapping/mapperImpl.go

@@ -0,0 +1,37 @@
+package mapping
+
+import (
+	"log"
+	"time"
+
+	"gorm.io/datatypes"
+
+	api "github.com/moustachioed/dash/backend/dashapi"
+	db "github.com/moustachioed/dash/backend/database/models"
+)
+
+type MapperImpl struct{}
+
+func NewMapperImpl() Mapper {
+	return MapperImpl{}
+}
+
+func (mapper MapperImpl) JournalApiToDb(apimodel api.JournalEntry) db.Journal {
+	date, err := time.Parse("2006-01-02", apimodel.Date)
+	if err != nil {
+		log.Printf("[ERROR] Could not parse date `%s`", apimodel.Date)
+	}
+
+	dbmodel := db.Journal{
+		Date: datatypes.Date(date),
+		// Thankful: datatypes.JSON([]byte(api.Thankful)),
+	}
+
+	return dbmodel
+}
+
+func (mapper MapperImpl) JournalDbToApi(db.Journal) api.JournalEntry {
+	apimodel := api.JournalEntry{}
+
+	return apimodel
+}