update: make things work with the new package system

lib/package.go

@@ -0,0 +1,86 @@
+package lib
+
+import (
+	"fmt"
+	"io"
+	"net/url"
+	"strings"
+
+	"github.com/bigkevmcd/go-configparser"
+)
+
+type Package struct {
+	Name    string   `json:"name"`
+	Pool    *Pool    `json:"-"`
+	Version string   `json:"version"`
+	Depends []string `json:"depends"`
+	Size    string   `json:"size"`
+	Desc    string   `json:"desc"`
+}
+
+func (p *Package) URL() string {
+	if nil == p.Pool {
+		return ""
+	}
+	url, _ := url.JoinPath(p.Pool.Source, "src/branch/"+p.Pool.Branch+"/src", p.Name)
+	return url
+}
+
+func (p *Package) DependsToStr() string {
+	var depends string = ""
+	for _, d := range p.Depends {
+		depends += fmt.Sprintf("%s ", d)
+	}
+	return depends
+}
+
+func (p *Package) Load(r io.Reader) error {
+	var (
+		err     error
+		size    int64
+		depends string = ""
+		section string = "DEFAULT"
+	)
+
+	parser := configparser.New()
+	if err = parser.ParseReader(r); err != nil {
+		return err
+	}
+
+	for _, s := range parser.Sections() {
+		if s == "DEFAULT" {
+			continue
+		}
+		section = s
+		break
+	}
+
+	if section == "DEFAULT" {
+		return fmt.Errorf("DATA does not contain any sections")
+	}
+
+	p.Name = section
+
+	if p.Version, err = parser.Get(section, "version"); err != nil {
+		return err
+	}
+
+	if size, err = parser.GetInt64(section, "size"); err != nil {
+		return err
+	}
+	p.Size = SizeFromBytes(size)
+
+	if p.Desc, err = parser.Get(section, "desc"); err != nil {
+		return err
+	}
+
+	depends, _ = parser.Get(section, "depends")
+
+	if depends == "" {
+		p.Depends = []string{}
+	} else {
+		p.Depends = strings.Split(depends, ",")
+	}
+
+	return nil
+}