Command to open page in browser; refactoring

curseforge/install.go

@@ -0,0 +1,177 @@
+package curseforge
+
+import (
+	"fmt"
+	"sort"
+	"strings"
+
+	"github.com/agnivade/levenshtein"
+	"github.com/comp500/packwiz/core"
+	"github.com/urfave/cli"
+	"gopkg.in/dixonwille/wmenu.v4"
+)
+
+func cmdInstall(flags core.Flags, mod string, modArgsTail []string) error {
+	if len(mod) == 0 {
+		return cli.NewExitError("You must specify a mod.", 1)
+	}
+	pack, err := core.LoadPack(flags)
+	if err != nil {
+		return cli.NewExitError(err, 1)
+	}
+	index, err := pack.LoadIndex()
+	if err != nil {
+		return cli.NewExitError(err, 1)
+	}
+	mcVersion, err := pack.GetMCVersion()
+	if err != nil {
+		return cli.NewExitError(err, 1)
+	}
+
+	var done bool
+	var modID, fileID int
+	// If modArgsTail has anything, go straight to searching - URLs/Slugs should not have spaces!
+	if len(modArgsTail) == 0 {
+		done, modID, fileID, err = getFileIDsFromString(mod)
+		if err != nil {
+			return cli.NewExitError(err, 1)
+		}
+
+		if !done {
+			done, modID, err = getModIDFromString(mod)
+			// Ignore error, go to search instead (e.g. lowercase to search instead of as a slug)
+			if err != nil {
+				done = false
+			}
+		}
+	}
+
+	modInfoObtained := false
+	var modInfoData modInfo
+
+	if !done {
+		fmt.Println("Searching CurseForge...")
+		modArgs := append([]string{mod}, modArgsTail...)
+		searchTerm := strings.Join(modArgs, " ")
+		// TODO: Curse search
+		// TODO: how to do interactive choices? automatically assume version? ask mod from list? choose first?
+		results, err := getSearch(searchTerm, mcVersion)
+		if err != nil {
+			return cli.NewExitError(err, 1)
+		}
+
+		if len(results) == 0 {
+			return cli.NewExitError("No mods found!", 1)
+		} else if len(results) == 1 {
+			modInfoData = results[0]
+			modID = modInfoData.ID
+			modInfoObtained = true
+			done = true
+		} else {
+			// Find the closest value to the search term
+			sort.Slice(results, func(i, j int) bool {
+				return levenshtein.ComputeDistance(searchTerm, results[i].Name) < levenshtein.ComputeDistance(searchTerm, results[j].Name)
+			})
+
+			menu := wmenu.NewMenu("Choose a number:")
+
+			for i, v := range results {
+				menu.Option(v.Name, v, i == 0, nil)
+			}
+			menu.Option("Cancel", nil, false, nil)
+
+			menu.Action(func(menuRes []wmenu.Opt) error {
+				if len(menuRes) != 1 || menuRes[0].Value == nil {
+					fmt.Println("Cancelled!")
+					return nil
+				}
+
+				// Why is variable shadowing a thing!!!!
+				var ok bool
+				modInfoData, ok = menuRes[0].Value.(modInfo)
+				if !ok {
+					return cli.NewExitError("Error converting interface from wmenu", 1)
+				}
+				modID = modInfoData.ID
+				modInfoObtained = true
+				done = true
+				return nil
+			})
+			err = menu.Run()
+			if err != nil {
+				return cli.NewExitError(err, 1)
+			}
+
+			if !done {
+				return nil
+			}
+		}
+	}
+
+	if !done {
+		if err == nil {
+			return cli.NewExitError("No mods found!", 1)
+		}
+		return cli.NewExitError(err, 1)
+	}
+
+	if !modInfoObtained {
+		modInfoData, err = getModInfo(modID)
+		if err != nil {
+			return cli.NewExitError(err, 1)
+		}
+	}
+
+	fileInfoObtained := false
+	var fileInfoData modFileInfo
+	if fileID == 0 {
+		// TODO: how do we decide which version to use?
+		for _, v := range modInfoData.GameVersionLatestFiles {
+			// Choose "newest" version by largest ID
+			if v.GameVersion == mcVersion && v.ID > fileID {
+				fileID = v.ID
+			}
+		}
+
+		if fileID == 0 {
+			return cli.NewExitError("No files available for current Minecraft version!", 1)
+		}
+
+		// The API also provides some files inline, because that's efficient!
+		for _, v := range modInfoData.LatestFiles {
+			if v.ID == fileID {
+				fileInfoObtained = true
+				fileInfoData = v
+			}
+		}
+	}
+
+	if !fileInfoObtained {
+		fileInfoData, err = getFileInfo(modID, fileID)
+		if err != nil {
+			return cli.NewExitError(err, 1)
+		}
+	}
+
+	err = createModFile(flags, modInfoData, fileInfoData, &index)
+	if err != nil {
+		return cli.NewExitError(err, 1)
+	}
+
+	err = index.Write()
+	if err != nil {
+		return cli.NewExitError(err, 1)
+	}
+	err = pack.UpdateIndexHash()
+	if err != nil {
+		return cli.NewExitError(err, 1)
+	}
+	err = pack.Write()
+	if err != nil {
+		return cli.NewExitError(err, 1)
+	}
+
+	fmt.Printf("Mod \"%s\" successfully installed! (%s)\n", modInfoData.Name, fileInfoData.FileName)
+
+	return nil
+}