started datamodelling papas excel tables

wagfarm-api/models/log_models.go

@@ -0,0 +1,41 @@
+type Log struct {
+	ID			uint			`gorm:"primaryKey"`
+	Name		string			`gorm:"not null"`
+	Notes		string	
+	LogType		string			`gorm:"not null"`
+	Date		Datetime.Time	`gorm:"type:date;default:CURRENT_DATE"not null`
+	Duration	float64			`gorm:"not null"` // in hours
+	VisibiltyID uint			`gorm:"not null"`
+	Visibility	Taxonomy		`gorm:"constraint:OnUpdate:CASCADE,OnDelete:CASCADE;not null"`
+}
+
+type _LogMetadata struct {
+	ID	uint	`gorm:"primaryKey"`
+	LogID uint	`gorm:"not null"`
+	Log	Log		`gorm:"foreignKey:LogID;constraint:OnUpdate:CASCADE,OnDelete:CASCADE;not null"`
+}
+
+type _FieldWorkLog struct {
+	_LogMetadata
+	WorkedAreaPercentage	float64	`gorm:"not null"`
+	MachineID				uint	`gorm:"not null"`
+	Machine					Machine	`gorm:"constraint:OnUpdate:CASCADE,OnDelete:CASCADE;not null"`
+}
+
+type SeedingLog struct {
+	_FieldWorkLog
+	SeedID			uint		`gorm:"not null"`
+	Seed			Seed		`gorm:"constraint:OnUpdate:CASCADE,OnDelete:CASCADE;not null"`
+	TechniqueID 	uint		`gorm:"not null"`
+	Technique		Taxonomy	`gorm:"constraint:OnUpdate:CASCADE,OnDelete:CASCADE;not null"`
+	Amount			float64		`gorm:"not null"` // in units/ha
+	ConditionsID 	uint		`gorm:"not null"`
+	Conditions		Taxonomy	`gorm:"constraint:OnUpdate:CASCADE,OnDelete:CASCADE;not null"`
+}
+
+type FertilizingLog struct {
+	_FieldWorkLog
+	FertilizerID	uint		`gorm:"not null"`
+	Fertilizer		Fertilizer	`gorm:"constraint:OnUpdate:CASCADE,OnDelete:CASCADE;not null"`
+	Amount			float64		`gorm:"not null"` // in units/ha
+}