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brewing_method.go
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/
brewing_method.go
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package buna
import (
"context"
"errors"
"fmt"
"os"
"github.com/jedib0t/go-pretty/table"
"golang.org/x/crypto/ssh/terminal"
)
type brewingMethod struct {
name string
}
func addBrewingMethod(ctx context.Context, db DB) error {
fmt.Println("Adding new coffee brewing method (Enter # to quit):")
fmt.Print("Enter brewing method name: ")
name, quit := validateStrInput(quitStr, false, nil, nil)
if quit {
fmt.Println(quitMsg)
return nil
}
brewingMethod := brewingMethod{
name: name,
}
if err := db.insertBrewingMethod(ctx, brewingMethod); err != nil {
return fmt.Errorf("buna: brewing_method: failed to insert brewingMethod: %w", err)
}
fmt.Println("Added coffee brewing method successfully")
return nil
}
func retrieveBrewingMethod(ctx context.Context, db DB) error {
options := map[int]string{
0: "Retrieve brewing methods ordered by last added",
}
fmt.Println("Retrieving brewing methods (Enter # to quit):")
if err := displayIntOptions(options); err != nil {
return fmt.Errorf("buna: brewing_method: failed to display int options: %w", err)
}
selection, quit, err := getIntSelection(options, quitStr)
if err != nil {
return fmt.Errorf("buna: brewing_method: failed to get int selection: %w", err)
}
if quit {
fmt.Println(quitMsg)
return nil
}
if err := runRetrieveBrewingMethodSelection(ctx, selection, db); err != nil {
return fmt.Errorf("buna: brewing_method: failed to run the retrieve selection: %w", err)
}
return nil
}
func runRetrieveBrewingMethodSelection(ctx context.Context, selection int, db DB) error {
switch selection {
case 0:
if err := displayBrewingMethodsByLastAdded(ctx, db); err != nil {
return fmt.Errorf("buna: brewing_method: failed to display brewing methods by last added: %w", err)
}
default:
return errors.New("buna: brewing_method: invalid retrieve selection")
}
return nil
}
// Promts user for an optional limit.
func displayBrewingMethodsByLastAdded(ctx context.Context, db DB) error {
const defaultDisplayAmount = 20
const maxDisplayAmount = 60
fmt.Println("Displaying brewing methods by last added (Enter # to quit):")
fmt.Print("Enter a limit for the number of brewing methods to display: ")
limit, quit := validateIntInput(quitStr, true, 1, maxDisplayAmount, []int{})
if quit {
fmt.Println(quitMsg)
return nil
}
if limit == 0 {
limit = defaultDisplayAmount
}
brewingMethods, err := db.getBrewingMethodsByLastAdded(ctx, limit)
if err != nil {
return fmt.Errorf("buna: brewing_method: failed to get brewing methods by last added: %w", err)
}
t := table.NewWriter()
t.AppendHeader(table.Row{"Name"})
for _, brewingMethod := range brewingMethods {
t.AppendRow(table.Row{brewingMethod.name})
t.AppendSeparator()
}
terminalWidth, _, err := terminal.GetSize(int(os.Stdin.Fd()))
if err != nil {
return fmt.Errorf("buna: brewing_method: failed to get terminal width: %w", err)
}
t.SetAllowedRowLength(terminalWidth)
t.SetOutputMirror(os.Stdout)
t.Render()
return nil
}