datamodel done without validators

wagfarm-api/assets/fertilizer/model.go

@@ -0,0 +1,30 @@
+package fertilizer
+
+import (
+	"wagfarm-api/assets/base"
+	"wagfarm-api/database"
+	"wagfarm-api/taxonomy/fertilizertype"
+	"wagfarm-api/taxonomy/ingredient"
+)
+
+type Fertilizer struct {
+	base.BoughtResource
+	FertilizerTypeID uint                          `gorm:"not null"`
+	FertilizerType   fertilizertype.FertilizerType `gorm:"not null; constraint:OnUpdate:CASCADE,OnDelete:CASCADE;"`
+	// Association to the ingredients. This represents the composition.
+	Ingredients []FertilizerIngredient `gorm:"not null; many2many:fertilizer_ingredient"`
+}
+
+type FertilizerIngredient struct {
+	FertilizerAssetID uint    `gorm:"primaryKey"` // foreign key to the fertilizer assets
+	IngredientID      uint    `gorm:"primaryKey"` // foreign key to the ingredient
+	Amount            float64 `gorm:"not null"`   // amount of the ingredient
+
+	// Preload the ingredient details if needed.
+	Ingredient ingredient.Ingredient `gorm:"not null"`
+}
+
+func RegisterModels() {
+	database.RegisterModel(&Fertilizer{})
+	database.RegisterJoinTable(&Fertilizer{}, "Ingredients", &FertilizerIngredient{})
+}