// GetPackage finds a package by a given name.
// If package doesn't exist in database, then downloads and saves information about new package.
func GetPackage(name string) *MCPMPackage {
if !db.o {
open(db.fn)
}
if pkg, ok := db.r[name]; ok {
return pkg
}
ht, hte := get(util.DirPathJoin("http://minecraft.curseforge.com/projects", name))
if hte != nil {
return nil
}
url := ht.Request.URL
pn := url.Path[strings.LastIndexByte(url.Path, '/')+1:]
doc, doce := goquery.NewDocumentFromResponse(ht)
if doce != nil {
return nil
}
tit := doc.Find("h1.project-title a .overflow-tip").Text()
oa := doc.Find(".RootGameCategory a").Eq(0)
ida := doc.Find(".view-on-curse a").Eq(0)
cat := oa.AttrOr("href", " ")
id := ida.AttrOr("href", "")
idn := id[strings.LastIndexByte(id, '/')+1:]
nid, ner := strconv.ParseUint(idn, 10, 64)
if ner != nil {
return nil
}
pkg := &MCPMPackage{nid, pn, tit, cat[1:]}
db.r[pn] = pkg
db.r[idn] = pkg
db.a = append(db.a, pkg)
return pkg
}
// GetFileList creates list of files available for download.
func (pkg *MCPMPackage) GetFileList() *MCPMFileList {
cht, chte := get(util.DirPathJoin("http://curse.com/project", strconv.FormatUint(pkg.id, 10)))
defer util.MustClose(cht.Body)
defer util.Must(chte)
cdoc, cdoce := goquery.NewDocumentFromResponse(cht)
util.Must(cdoce)
list := cdoc.Find("table.project-file-listing tbody tr")
if list.Length() == 0 {
return nil
}
fl := &MCPMFileList{make([]*MCPMFile, list.Length())}
for i := range list.Nodes {
n := list.Eq(i)
td := n.Find("td")
na := td.Eq(0).Find("a")
nt := td.Eq(1)
nv := td.Eq(2)
tid := na.AttrOr("href", "")
fl.a[i] = &MCPMFile{tid[strings.LastIndexByte(tid, '/')+1:], na.Text(), nt.Text(), nv.Text()}
}
return fl
}
// DownloadFileWithID downloads file with a specified ID and unpacks its contents if necessary.
func (pkg *MCPMPackage) DownloadFileWithID(fid string, buf []byte) {
if buf == nil {
buf = make([]byte, 32*1024)
}
po := util.GetPackageOptionsB(pkg.ptype)
util.Must(util.MkDirIfNotExist(po.Dir))
us := fmt.Sprintf("http://minecraft.curseforge.com/projects/%s/files/%s/download", pkg.name, fid)
ht, hte := get(us)
defer util.MustClose(ht.Body)
util.Must(hte)
fname := ht.Request.URL.Path
fname = fname[strings.LastIndex(fname, "/")+1:]
sav := util.DirPathJoin(po.Dir, fname)
sf, sfe := os.OpenFile(sav, os.O_CREATE|os.O_WRONLY|os.O_TRUNC, 0666)
util.Must(sfe)
defer util.MustClose(sf)
fmt.Printf("Downloading \"%s\": %s\n", pkg.name, fname)
pr := util.NewReadProgress(ht.Body, uint64(ht.ContentLength))
_, ce := io.CopyBuffer(sf, pr, buf)
util.Must(ce)
util.MustClose(pr)
fmt.Printf("Successfully saved to \"%s\"\n", sav)
if po.ShouldUnpack {
switch pkg.ptype {
case "modpacks":
UnpackModpack(sav)
fmt.Printf("Successfully installed modpack %#v\n", pkg.title)
break
case "worlds":
svh := helper.NewSaveHelper(sav)
svh.UnpackAll()
fmt.Printf("Successfully unpacked world save %#v\n", pkg.title)
break
}
}
}