89 lines
2.0 KiB
Go
89 lines
2.0 KiB
Go
package db
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import (
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"fmt"
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)
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type IngredientID uint64
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type Ingredient struct {
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ID IngredientID `db:"rowid"`
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FoodID FoodID `db:"food_id"`
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RecipeID RecipeID `db:"recipe_id"`
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Quantity float32
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Units Units `db:"units"`
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InRecipeID RecipeID `db:"in_recipe_id"`
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ListOrder int64 `db:"list_order"`
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IsHidden bool `db:"is_hidden"`
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Food *Food
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}
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// Format as string
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func (i Ingredient) String() string {
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return fmt.Sprintf("%f%s %s", i.Quantity, i.Units.Abbreviation(), i.Food.Name)
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}
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func (db *DB) SaveIngredient(i *Ingredient) {
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if i.ID == IngredientID(0) {
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// Do create
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result, err := db.DB.NamedExec(`
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insert into ingredients
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(food_id, recipe_id, quantity, units, in_recipe_id, list_order, is_hidden)
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values (nullif(:food_id, 0), nullif(:recipe_id, 0), :quantity, :units, :in_recipe_id,
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:list_order, :is_hidden)
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`, i)
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if err != nil {
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panic(err)
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}
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// Update the ID
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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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i.ID = IngredientID(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 ingredients
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set food_id=nullif(:food_id, 0),
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recipe_id=nullif(:recipe_id, 0),
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quantity=:quantity,
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units=:units,
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list_order=:list_order,
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is_hidden=:is_hidden
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where rowid = :rowid
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`, i)
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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 ingredient with ID (%d), so attempted update, but it doesn't exist", i.ID))
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}
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}
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}
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func (db *DB) DeleteIngredient(i Ingredient) {
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result, err := db.DB.Exec(`delete from ingredients where rowid = ?`, i.ID)
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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("tried to delete ingredient with ID (%d) but it doesn't exist", i.ID))
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}
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}
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// func (i Ingredient) AddTo(r *Recipe) {
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// }
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