trying around with different routing and controller structures

wagfarm-api/models/assets.go

@@ -0,0 +1,98 @@
+package models
+
+var AssetModels = []interface{}{
+	&Land{},
+	&Plant{},
+	&Machine{},
+	&Seed{},
+	&Fertilizer{},
+	&FertilizerIngredient{},
+	&Pesticide{},
+	&Product{},
+}
+
+type _Asset struct {
+	ID    uint   `gorm:"primaryKey`
+	Name  string `gorm:"not null"`
+	Notes string
+}
+
+type Land struct {
+	_Asset
+	FID                   string  `gorm:"not null"`
+	IsWaterProtectionArea bool    `gorm:"not null"`
+	IsRedArea             bool    `gorm:"not null"`
+	Area                  float64 `gorm:"not null"`
+}
+
+type Plant struct {
+	_Asset
+	LandId         uint    `gorm:"not null"`
+	Land           Land    `gorm:"not null; constraint:OnUpdate:CASCADE,OnDelete:CASCADE;"`
+	CropID         uint    `gorm:"not null"`
+	Crop           Crop    `gorm:"not null; constraint:OnUpdate:CASCADE,OnDelete:CASCADE;"`
+	CoverCropID    uint    `gorm:"not null"`
+	CoverCrop      Crop    `gorm:"not null; constraint:OnUpdate:CASCADE,OnDelete:CASCADE;"`
+	Year           uint    `gorm:"not null"`
+	AreaPercentage float64 `gorm:"not null"`
+}
+type _Resource struct {
+	_Asset
+	UnitID uint            `gorm:"not null"`
+	Unit   Unit            `gorm:"not null; constraint:OnUpdate:CASCADE,OnDelete:CASCADE;"`
+	Cost   decimal.Decimal `gorm:"not null; type:decimal(10,2);"` // in euro/unit
+}
+
+type Machine struct {
+	_Resource
+}
+
+type _BoughtResource struct {
+	_Resource
+	BuyDate      Datetime.Time `gorm:"type:date;default:CURRENT_DATE"`
+	BoughtFromID uint          `gorm:"not null"`
+	BoughtFrom   Seller        `gorm:"not null; constraint:OnUpdate:CASCADE,OnDelete:CASCADE;"`
+}
+
+type _SoldResource struct {
+	_Resource
+	SaleDate Datetime.Time `gorm:"type:date;default:CURRENT_DATE"`
+	SoldToID uint          `gorm:"not null"`
+	SoldTo   Customer      `gorm:"not null; constraint:OnUpdate:CASCADE,OnDelete:CASCADE;"`
+}
+
+type Seed struct {
+	_BoughtResource
+	SeedTypeID uint     `gorm:"not null"`
+	SeedType   SeedType `gorm:"not null; constraint:OnUpdate:CASCADE,OnDelete:CASCADE;"`
+}
+
+type Fertilizer struct {
+	_Asset
+	_BoughtResource
+	FertilizerTypeID uint           `gorm:"not null"`
+	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 asset
+	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 `gorm:"not null"`
+}
+
+type Pesticide struct {
+	_BoughtResource
+	PesticideTypeID uint          `gorm:"not null"`
+	PesticideType   PesticideType `gorm:"not null; constraint:OnUpdate:CASCADE,OnDelete:CASCADE;"`
+}
+
+type Product struct {
+	_SoldResource
+	ProductTypeID uint        `gorm:"not null"`
+	ProductType   ProductType `gorm:"not null; constraint:OnUpdate:CASCADE,OnDelete:CASCADE;"`
+}