src

config.go (3776B)

---

 package command
 
 import (
 	"bufio"
 	"errors"
 	"fmt"
 	"os"
 	"strconv"
 	"strings"
 	"time"
 
 	"code.dwrz.net/src/pkg/color"
 	"code.dwrz.net/src/pkg/dqs/command/help"
 	"code.dwrz.net/src/pkg/dqs/diet"
 	"code.dwrz.net/src/pkg/dqs/store"
 	"code.dwrz.net/src/pkg/dqs/user"
 	"code.dwrz.net/src/pkg/dqs/user/units"
 )
 
 var Config = &command{
 	execute: configure,
 
 	description: "configure the user settings",
 	help:        help.Config,
 	name:        "config",
 }
 
 func configure(args []string, date time.Time, store *store.Store) error {
 	u, err := store.GetUser()
 	if err != nil && !errors.Is(err, os.ErrNotExist) {
 		return err
 	}
 	if u == nil {
 		u = &user.DefaultUser
 	}
 
 	fmt.Printf(
 		"%sPress enter to skip a field.%s\n",
 		color.Italic, color.Reset,
 	)
 
 	var in = bufio.NewReader(os.Stdin)
 
 	// Parse the name.
 	fmt.Print("Name: ")
 	line, err := in.ReadString('\n')
 	if err != nil {
 		return err
 	}
 
 	if line = strings.TrimSpace(line); line != "" {
 		u.Name = line
 	}
 
 	// Parse the birthday.
 	fmt.Print("Birthday (YYYYMMDD): ")
 	line, err = in.ReadString('\n')
 	if err != nil {
 		return err
 	}
 
 	if line = strings.TrimSpace(line); line != "" {
 		birthday, err := time.Parse("20060102", line)
 		if err != nil {
 			return err
 		}
 
 		u.Birthday = birthday
 	}
 
 	// Parse the units.
 	fmt.Print("Units (imperial|metric): ")
 	line, err = in.ReadString('\n')
 	if err != nil {
 		return err
 	}
 
 	if line = strings.TrimSpace(line); line != "" {
 		system := units.System(line)
 
 		if !units.Valid(system) {
 			return fmt.Errorf("invalid units")
 		}
 
 		u.Units = system
 	}
 
 	// Parse the height.
 	fmt.Print(fmt.Sprintf("Height (%s): ", u.Units.Height()))
 	line, err = in.ReadString('\n')
 	if err != nil {
 		return err
 	}
 
 	if line = strings.TrimSpace(line); line != "" {
 		height, err := strconv.ParseFloat(line, 64)
 		if err != nil {
 			return err
 		}
 		if height < 0 {
 			return fmt.Errorf("invalid height")
 		}
 
 		// Store all units in metric.
 		if u.Units == units.Imperial {
 			height = units.InchesToCentimeter(height)
 		}
 
 		u.Height = height
 	}
 
 	// Parse the weight.
 	fmt.Print(fmt.Sprintf("Weight (%s): ", u.Units.Weight()))
 	line, err = in.ReadString('\n')
 	if err != nil {
 		return err
 	}
 
 	if line = strings.TrimSpace(line); line != "" {
 		weight, err := strconv.ParseFloat(line, 64)
 		if err != nil {
 			return err
 		}
 		if weight < 0 {
 			return fmt.Errorf("invalid weight")
 		}
 
 		// Store all units in metric.
 		if u.Units == units.Imperial {
 			weight = units.PoundsToKilogram(weight)
 		}
 
 		u.Weight = weight
 	}
 
 	// Parse the body fat.
 	fmt.Print("Body Fat (%): ")
 	line, err = in.ReadString('\n')
 	if err != nil {
 		return err
 	}
 
 	if line = strings.TrimSpace(line); line != "" {
 		bf, err := strconv.ParseFloat(line, 64)
 		if err != nil {
 			return err
 		}
 
 		if bf < 0 || bf > 100 {
 			return fmt.Errorf("invalid body fat percentage")
 		}
 
 		u.BodyFat = bf
 	}
 
 	// Parse the diet.
 	fmt.Print("Diet (omnivore|vegan|vegetarian): ")
 	line, err = in.ReadString('\n')
 	if err != nil {
 		return err
 	}
 
 	if line = strings.TrimSpace(line); line != "" {
 		if !diet.Valid(diet.Diet(line)) {
 			return fmt.Errorf("unrecognized diet")
 		}
 
 		u.Diet = diet.Diet(line)
 	}
 
 	// Parse the Target Weight.
 	fmt.Print(fmt.Sprintf("Target Weight (%s): ", u.Units.Weight()))
 	line, err = in.ReadString('\n')
 	if err != nil {
 		return err
 	}
 
 	if line = strings.TrimSpace(line); line != "" {
 		tw, err := strconv.ParseFloat(line, 64)
 		if err != nil {
 			return err
 		}
 
 		if tw < 0 {
 			return fmt.Errorf("invalid target weight")
 		}
 
 		// Store all units in metric.
 		if u.Units == units.Imperial {
 			tw = units.PoundsToKilogram(tw)
 		}
 
 		u.TargetWeight = tw
 	}
 
 	if err := store.UpdateUser(u); err != nil {
 		return fmt.Errorf(
 			"failed to store user: %w", err,
 		)
 	}
 
 	return nil
 }