ALR

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/*
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 * ALR - Any Linux Repository
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 * Copyright (C) 2024 Евгений Храмов
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 *
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 * This program is free software: you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License as published by
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 * the Free Software Foundation, either version 3 of the License, or
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 * (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
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 */
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package main
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import (
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	"fmt"
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	"github.com/urfave/cli/v2"
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	"plemya-x.ru/alr/internal/config"
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	"plemya-x.ru/alr/internal/db"
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	"plemya-x.ru/alr/pkg/loggerctx"
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	"plemya-x.ru/alr/pkg/manager"
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	"plemya-x.ru/alr/pkg/repos"
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	"golang.org/x/exp/slices"
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)
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var listCmd = &cli.Command{
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	Name:    "list",
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	Usage:   "List ALR repo packages",
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	Aliases: []string{"ls"},
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	Flags: []cli.Flag{
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		&cli.BoolFlag{
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			Name:    "installed",
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			Aliases: []string{"I"},
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		},
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	},
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	Action: func(c *cli.Context) error {
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		ctx := c.Context
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		log := loggerctx.From(ctx)
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		err := repos.Pull(ctx, config.Config(ctx).Repos)
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		if err != nil {
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			log.Fatal("Error pulling repositories").Err(err).Send()
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		}
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		where := "true"
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		args := []any(nil)
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		if c.NArg() > 0 {
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			where = "name LIKE ? OR json_array_contains(provides, ?)"
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			args = []any{c.Args().First(), c.Args().First()}
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		}
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		result, err := db.GetPkgs(ctx, where, args...)
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		if err != nil {
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			log.Fatal("Error getting packages").Err(err).Send()
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		}
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		defer result.Close()
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		var installed map[string]string
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		if c.Bool("installed") {
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			mgr := manager.Detect()
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			if mgr == nil {
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				log.Fatal("Unable to detect a supported package manager on the system").Send()
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			}
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			installed, err = mgr.ListInstalled(&manager.Opts{AsRoot: false})
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			if err != nil {
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				log.Fatal("Error listing installed packages").Err(err).Send()
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			}
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		}
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		for result.Next() {
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			var pkg db.Package
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			err := result.StructScan(&pkg)
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			if err != nil {
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				return err
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			}
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			if slices.Contains(config.Config(ctx).IgnorePkgUpdates, pkg.Name) {
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				continue
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			}
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			version := pkg.Version
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			if c.Bool("installed") {
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				instVersion, ok := installed[pkg.Name]
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				if !ok {
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					continue
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				} else {
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					version = instVersion
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				}
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			}
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			fmt.Printf("%s/%s %s\n", pkg.Repository, pkg.Name, version)
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		}
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		if err != nil {
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			log.Fatal("Error iterating over packages").Err(err).Send()
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		}
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		return nil
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	},
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}
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