db-migrator.go

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/**
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 * This file is part of the raoptimus/db-migrator.go library
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 *
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 * @copyright Copyright (c) Evgeniy Urvantsev
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 * @license https://github.com/raoptimus/db-migrator.go/blob/master/LICENSE.md
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 * @link https://github.com/raoptimus/db-migrator.go
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 */
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package action
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import (
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	"github.com/raoptimus/db-migrator.go/internal/args"
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	"github.com/raoptimus/db-migrator.go/internal/console"
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	"github.com/urfave/cli/v2"
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)
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const defaultGetHistoryLimit = 10
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type History struct {
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	service MigrationService
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}
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func NewHistory(
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	service MigrationService,
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) *History {
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	return &History{
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		service: service,
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	}
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}
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func (h *History) Run(ctx *cli.Context) error {
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	limit, err := args.ParseStepStringOrDefault(ctx.Args().Get(0), defaultGetHistoryLimit)
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	if err != nil {
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		return err
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	}
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	migrations, err := h.service.Migrations(ctx.Context, limit)
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	if err != nil {
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		return err
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	}
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	migrationsCount := migrations.Len()
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	if migrationsCount == 0 {
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		console.SuccessLn("No migration has been done before.")
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		return nil
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	}
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	if limit > 0 {
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		console.Warnf(
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			"Showing the last %d %s: \n",
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			migrationsCount,
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			console.NumberPlural(migrationsCount, "migration", "migrations"),
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		)
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	} else {
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		console.Warnf(
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			"Total %d %s been applied before: \n",
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			migrationsCount,
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			console.NumberPlural(migrationsCount, "migration has", "migrations have"),
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		)
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	}
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	printMigrations(migrations, true)
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	return nil
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}
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