packwiz/curseforge/export.go

261 lines
6.7 KiB
Go

package curseforge
import (
"archive/zip"
"bufio"
"fmt"
"github.com/packwiz/packwiz/cmdshared"
"github.com/packwiz/packwiz/core"
"github.com/packwiz/packwiz/curseforge/packinterop"
"github.com/spf13/cobra"
"github.com/spf13/viper"
"os"
"path/filepath"
"strconv"
)
// exportCmd represents the export command
var exportCmd = &cobra.Command{
Use: "export",
Short: "Export the current modpack into a .zip for curseforge",
Args: cobra.NoArgs,
Run: func(cmd *cobra.Command, args []string) {
side := viper.GetString("curseforge.export.side")
if len(side) == 0 || (side != core.UniversalSide && side != core.ServerSide && side != core.ClientSide) {
fmt.Println("Invalid side!")
os.Exit(1)
}
fmt.Println("Loading modpack...")
pack, err := core.LoadPack()
if err != nil {
fmt.Println(err)
os.Exit(1)
}
index, err := pack.LoadIndex()
if err != nil {
fmt.Println(err)
os.Exit(1)
}
// Do a refresh to ensure files are up to date
err = index.Refresh()
if err != nil {
fmt.Println(err)
os.Exit(1)
}
err = index.Write()
if err != nil {
fmt.Println(err)
os.Exit(1)
}
err = pack.UpdateIndexHash()
if err != nil {
fmt.Println(err)
os.Exit(1)
}
err = pack.Write()
if err != nil {
fmt.Println(err)
os.Exit(1)
}
// TODO: should index just expose indexPath itself, through a function?
indexPath := filepath.Join(filepath.Dir(viper.GetString("pack-file")), filepath.FromSlash(pack.Index.File))
fmt.Println("Reading external files...")
mods, err := index.LoadAllMods()
if err != nil {
fmt.Printf("Error reading file: %v\n", err)
os.Exit(1)
}
i := 0
// Filter mods by side
// TODO: opt-in optional disabled filtering?
for _, mod := range mods {
if mod.Side == side || mod.Side == core.EmptySide || mod.Side == core.UniversalSide || side == core.UniversalSide {
mods[i] = mod
i++
}
}
mods = mods[:i]
var exportData cfExportData
exportDataUnparsed, ok := pack.Export["curseforge"]
if ok {
exportData, err = parseExportData(exportDataUnparsed)
if err != nil {
fmt.Printf("Failed to parse export metadata: %s\n", err.Error())
os.Exit(1)
}
}
fileName := viper.GetString("curseforge.export.output")
if fileName == "" {
fileName = pack.GetPackName() + ".zip"
}
expFile, err := os.Create(fileName)
if err != nil {
fmt.Printf("Failed to create zip: %s\n", err.Error())
os.Exit(1)
}
exp := zip.NewWriter(expFile)
// Add an overrides folder even if there are no files to go in it
_, err = exp.Create("overrides/")
if err != nil {
fmt.Printf("Failed to add overrides folder: %s\n", err.Error())
os.Exit(1)
}
cfFileRefs := make([]packinterop.AddonFileReference, 0, len(mods))
nonCfMods := make([]*core.Mod, 0)
for _, mod := range mods {
projectRaw, ok := mod.GetParsedUpdateData("curseforge")
// If the mod has curseforge metadata, add it to cfFileRefs
if ok {
p := projectRaw.(cfUpdateData)
cfFileRefs = append(cfFileRefs, packinterop.AddonFileReference{
ProjectID: p.ProjectID,
FileID: p.FileID,
OptionalDisabled: mod.Option != nil && mod.Option.Optional && !mod.Option.Default,
})
} else {
nonCfMods = append(nonCfMods, mod)
}
}
// Download external files and save directly into the zip
if len(nonCfMods) > 0 {
fmt.Printf("Retrieving %v external files to store in the modpack zip...\n", len(nonCfMods))
cmdshared.PrintDisclaimer(true)
session, err := core.CreateDownloadSession(nonCfMods, []string{})
if err != nil {
fmt.Printf("Error retrieving external files: %v\n", err)
os.Exit(1)
}
cmdshared.ListManualDownloads(session)
for dl := range session.StartDownloads() {
_ = cmdshared.AddToZip(dl, exp, "overrides", indexPath)
}
err = session.SaveIndex()
if err != nil {
fmt.Printf("Error saving cache index: %v\n", err)
os.Exit(1)
}
}
manifestFile, err := exp.Create("manifest.json")
if err != nil {
_ = exp.Close()
_ = expFile.Close()
fmt.Println("Error creating manifest: " + err.Error())
os.Exit(1)
}
err = packinterop.WriteManifestFromPack(pack, cfFileRefs, exportData.ProjectID, manifestFile)
if err != nil {
_ = exp.Close()
_ = expFile.Close()
fmt.Println("Error writing manifest: " + err.Error())
os.Exit(1)
}
err = createModlist(exp, mods)
if err != nil {
_ = exp.Close()
_ = expFile.Close()
fmt.Println("Error creating mod list: " + err.Error())
os.Exit(1)
}
i = 0
for _, v := range index.Files {
if !v.MetaFile {
// Save all non-metadata files into the zip
path, err := filepath.Rel(filepath.Dir(indexPath), index.GetFilePath(v))
if err != nil {
fmt.Printf("Error resolving file: %s\n", err.Error())
// TODO: exit(1)?
continue
}
file, err := exp.Create(filepath.ToSlash(filepath.Join("overrides", path)))
if err != nil {
fmt.Printf("Error creating file: %s\n", err.Error())
// TODO: exit(1)?
continue
}
err = index.SaveFile(v, file)
if err != nil {
fmt.Printf("Error copying file: %s\n", err.Error())
// TODO: exit(1)?
continue
}
i++
}
}
err = exp.Close()
if err != nil {
fmt.Println("Error writing export file: " + err.Error())
os.Exit(1)
}
err = expFile.Close()
if err != nil {
fmt.Println("Error writing export file: " + err.Error())
os.Exit(1)
}
fmt.Println("Modpack exported to " + fileName)
},
}
func createModlist(zw *zip.Writer, mods []*core.Mod) error {
modlistFile, err := zw.Create("modlist.html")
if err != nil {
return err
}
w := bufio.NewWriter(modlistFile)
_, err = w.WriteString("<ul>\r\n")
if err != nil {
return err
}
for _, mod := range mods {
projectRaw, ok := mod.GetParsedUpdateData("curseforge")
if !ok {
// TODO: read homepage URL or something similar?
// TODO: how to handle mods that don't have metadata???
_, err = w.WriteString("<li>" + mod.Name + "</li>\r\n")
if err != nil {
return err
}
continue
}
project := projectRaw.(cfUpdateData)
_, err = w.WriteString("<li><a href=\"https://www.curseforge.com/projects/" + strconv.FormatUint(uint64(project.ProjectID), 10) + "\">" + mod.Name + "</a></li>\r\n")
if err != nil {
return err
}
}
_, err = w.WriteString("</ul>\r\n")
if err != nil {
return err
}
return w.Flush()
}
func init() {
curseforgeCmd.AddCommand(exportCmd)
exportCmd.Flags().StringP("side", "s", "client", "The side to export mods with")
_ = viper.BindPFlag("curseforge.export.side", exportCmd.Flags().Lookup("side"))
exportCmd.Flags().StringP("output", "o", "", "The file to export the modpack to")
_ = viper.BindPFlag("curseforge.export.output", exportCmd.Flags().Lookup("output"))
}