106 lines
2.7 KiB
Go
106 lines
2.7 KiB
Go
package db
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import (
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"fmt"
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)
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type FoodID uint64
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type Food struct {
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ID FoodID `db:"rowid"`
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Name string `db:"name"`
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Cals float32 `db:"cals"`
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Carbs float32 `db:"carbs"`
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Protein float32 `db:"protein"`
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Fat float32 `db:"fat"`
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Sugar float32 `db:"sugar"`
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Alcohol float32 `db:"alcohol"`
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Water float32 `db:"water"`
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Potassium float32 `db:"potassium"`
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Calcium float32 `db:"calcium"`
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Sodium float32 `db:"sodium"`
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Magnesium float32 `db:"magnesium"`
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Phosphorus float32 `db:"phosphorus"`
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Iron float32 `db:"iron"`
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Zinc float32 `db:"zinc"`
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Mass float32 `db:"mass"` // In grams
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Price float32 `db:"price"`
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Density float32 `db:"density"`
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CookRatio float32 `db:"cook_ratio"`
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}
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// Format as string
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func (f Food) String() string {
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return fmt.Sprintf("%s(%d)", f.Name, f.ID)
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}
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func (db *DB) SaveFood(f *Food) {
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if f.ID == FoodID(0) {
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// Do create
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result, err := db.DB.NamedExec(`
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insert into foods (name, cals, carbs, protein, fat, sugar, alcohol, water, potassium, calcium, sodium,
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magnesium, phosphorus, iron, zinc, mass, price, density, cook_ratio)
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values (:name, :cals, :carbs, :protein, :fat, :sugar, :alcohol, :water, :potassium, :calcium,
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:sodium, :magnesium, :phosphorus, :iron, :zinc, :mass, :price, :density, :cook_ratio)
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`, f)
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if err != nil {
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panic(err)
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}
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// Update the ID if necessary
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id, err := result.LastInsertId()
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if err != nil {
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panic(err)
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}
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f.ID = FoodID(id)
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} else {
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// Do update
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result, err := db.DB.NamedExec(`
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update foods
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set name=:name,
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cals=:cals,
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carbs=:carbs,
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protein=:protein,
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fat=:fat,
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sugar=:sugar,
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alcohol=:alcohol,
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water=:water,
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potassium=:potassium,
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calcium=:calcium,
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sodium=:sodium,
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magnesium=:magnesium,
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phosphorus=:phosphorus,
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iron=:iron,
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zinc=:zinc,
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mass=:mass,
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price=:price,
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density=:density,
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cook_ratio=:cook_ratio
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where rowid = :rowid
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`, f)
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if err != nil {
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panic(err)
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}
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count, err := result.RowsAffected()
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if err != nil {
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panic(err)
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}
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if count != 1 {
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panic(fmt.Errorf("Got food with ID (%d), so attempted update, but it doesn't exist", f.ID))
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}
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}
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}
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func (db *DB) GetFoodByID(id FoodID) (ret Food, err error) {
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err = db.DB.Get(&ret, `
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select rowid, name, cals, carbs, protein, fat, sugar, alcohol, water, potassium, calcium, sodium,
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magnesium, phosphorus, iron, zinc, mass, price, density, cook_ratio
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from foods
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where rowid = ?
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`, id)
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return
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}
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