feat(cli): Reset Password Command

Introduce `reset-password` command.

Refs #71

internal/commands/commands.go

@@ -67,6 +67,6 @@ func initConfig() {
 // Execute the root cobra command
 func Execute() {
 	rootCmd.SetVersionTemplate(versionTemplate)
-	rootCmd.AddCommand(newWebCmd(), newMigrateCmd(), newTokenCmd(), newWorkerCmd())
+	rootCmd.AddCommand(newWebCmd(), newMigrateCmd(), newTokenCmd(), newWorkerCmd(), newResetPasswordCmd())
 	rootCmd.Execute()
 }

internal/commands/reset_password.go

@@ -0,0 +1,68 @@
+package commands
+
+import (
+	"context"
+	"fmt"
+	"time"
+
+	"github.com/jmoiron/sqlx"
+	"github.com/jordanknott/taskcafe/internal/db"
+	log "github.com/sirupsen/logrus"
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+	"golang.org/x/crypto/bcrypt"
+)
+
+func newResetPasswordCmd() *cobra.Command {
+	return &cobra.Command{
+		Use:   "reset-password",
+		Short: "Resets password of the specified user",
+		Long:  "If the user forgets its password you can reset it with this command.",
+		Args:  cobra.ExactArgs(2),
+		RunE: func(cmd *cobra.Command, args []string) error {
+			connection := fmt.Sprintf("user=%s password=%s host=%s dbname=%s sslmode=disable",
+				viper.GetString("database.user"),
+				viper.GetString("database.password"),
+				viper.GetString("database.host"),
+				viper.GetString("database.name"),
+			)
+			var database *sqlx.DB
+			var err error
+			var retryDuration time.Duration
+			maxRetryNumber := 4
+			for i := 0; i < maxRetryNumber; i++ {
+				database, err = sqlx.Connect("postgres", connection)
+				if err == nil {
+					break
+				}
+				retryDuration = time.Duration(i*2) * time.Second
+				log.WithFields(log.Fields{"retryNumber": i, "retryDuration": retryDuration}).WithError(err).Error("issue connecting to database, retrying")
+				if i != maxRetryNumber-1 {
+					time.Sleep(retryDuration)
+				}
+			}
+			database.SetMaxOpenConns(25)
+			database.SetMaxIdleConns(25)
+			database.SetConnMaxLifetime(5 * time.Minute)
+			repo := *db.NewRepository(database)
+
+			username := args[0]
+			password := args[1]
+
+			user, err := repo.GetUserAccountByUsername(context.TODO(), username)
+			if err != nil {
+				fmt.Println("There is no user with that username. :/")
+				return nil
+			}
+
+			hashedPwd, err := bcrypt.GenerateFromPassword([]byte(password), 14)
+
+			if _, err := repo.SetUserPassword(context.TODO(), db.SetUserPasswordParams{UserID: user.UserID, PasswordHash: string(hashedPwd)}); err != nil {
+				return err
+			}
+			fmt.Println("Updated user \"" + username + "\" password.")
+			defer database.Close()
+			return nil
+		},
+	}
+}