🎨 集市支持已安装的包单独显示 https://github.com/siyuan-note/siyuan/issues/5678

kernel/bazaar/theme.go

@@ -19,10 +19,12 @@ package bazaar
 import (
 	"errors"
 	"os"
+	"path/filepath"
 	"sort"
 	"strings"
 	"sync"
 
+	"github.com/88250/gulu"
 	"github.com/dustin/go-humanize"
 	ants "github.com/panjf2000/ants/v2"
 	"github.com/siyuan-note/httpclient"
@@ -129,6 +131,73 @@ func Themes() (ret []*Theme) {
 	return
 }
 
+func InstalledThemes() (ret []*Theme) {
+	dir, err := os.Open(util.ThemesPath)
+	if nil != err {
+		logging.LogWarnf("open appearance themes folder [%s] failed: %s", util.ThemesPath, err)
+		return
+	}
+	themeDirs, err := dir.Readdir(-1)
+	if nil != err {
+		logging.LogWarnf("read appearance themes folder failed: %s", err)
+		return
+	}
+	dir.Close()
+
+	for _, themeDir := range themeDirs {
+		if !themeDir.IsDir() {
+			continue
+		}
+		dirName := themeDir.Name()
+		if isBuiltInTheme(dirName) {
+			continue
+		}
+
+		themeConf, parseErr := ThemeJSON(dirName)
+		if nil != parseErr || nil == themeConf {
+			continue
+		}
+
+		theme := &Theme{}
+		theme.Name = themeConf["name"].(string)
+		theme.Author = themeConf["author"].(string)
+		theme.URL = themeConf["url"].(string)
+		theme.Version = themeConf["version"].(string)
+		theme.Modes = make([]string, 0, len(themeConf["modes"].([]interface{})))
+		theme.RepoURL = theme.URL
+		theme.PreviewURL = "/appearance/themes/" + dirName + "/preview.png"
+		theme.PreviewURLThumb = "/appearance/themes/" + dirName + "/preview.png"
+		theme.Updated = themeDir.ModTime().Format("2006-01-02 15:04:05")
+		theme.Size = themeDir.Size()
+		theme.HSize = humanize.Bytes(uint64(theme.Size))
+		theme.HUpdated = formatUpdated(theme.Updated)
+		readme, readErr := os.ReadFile(filepath.Join(util.ThemesPath, dirName, "README.md"))
+		if nil != readErr {
+			logging.LogWarnf("read install theme README.md failed: %s", readErr)
+			continue
+		}
+		theme.README = gulu.Str.FromBytes(readme)
+
+		if !existThemes(ret, theme) {
+			ret = append(ret, theme)
+		}
+	}
+	return
+}
+
+func isBuiltInTheme(dirName string) bool {
+	return "daylight" == dirName || "midnight" == dirName
+}
+
+func existThemes(themes []*Theme, theme *Theme) bool {
+	for _, t := range themes {
+		if t.Name == theme.Name {
+			return true
+		}
+	}
+	return false
+}
+
 func InstallTheme(repoURL, repoHash, installPath string, systemID string) error {
 	repoURLHash := repoURL + "@" + repoHash
 	data, err := downloadPackage(repoURLHash, true, systemID)
@@ -146,3 +215,25 @@ func UninstallTheme(installPath string) error {
 	//logging.Logger.Infof("uninstalled theme [%s]", installPath)
 	return nil
 }
+
+func ThemeJSON(themeName string) (ret map[string]interface{}, err error) {
+	p := filepath.Join(util.ThemesPath, themeName, "theme.json")
+	if !gulu.File.IsExist(p) {
+		err = os.ErrNotExist
+		return
+	}
+	data, err := os.ReadFile(p)
+	if nil != err {
+		logging.LogErrorf("read theme.json [%s] failed: %s", p, err)
+		return
+	}
+	if err = gulu.JSON.UnmarshalJSON(data, &ret); nil != err {
+		logging.LogErrorf("parse theme.json [%s] failed: %s", p, err)
+		return
+	}
+	if 5 > len(ret) {
+		logging.LogWarnf("invalid theme.json [%s]", p)
+		return nil, errors.New("invalid theme.json")
+	}
+	return
+}