From 4585cff7e6487e11a738d5656e2e3f48316f01b7 Mon Sep 17 00:00:00 2001
From: Liang Ding <d@b3log.org>
Date: Thu, 1 Sep 2022 21:33:24 +0800
Subject: [PATCH] =?UTF-8?q?:art:=20=E9=9B=86=E5=B8=82=E6=94=AF=E6=8C=81?=
 =?UTF-8?q?=E5=B7=B2=E5=AE=89=E8=A3=85=E7=9A=84=E5=8C=85=E5=8D=95=E7=8B=AC?=
 =?UTF-8?q?=E6=98=BE=E7=A4=BA=20https://github.com/siyuan-note/siyuan/issu?=
 =?UTF-8?q?es/5678?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 kernel/bazaar/package.go | 38 ++++++++++++++++++++++++++++-
 kernel/bazaar/widget.go  | 52 ++++++++++++++++++++++++++++++++++++++++
 2 files changed, 89 insertions(+), 1 deletion(-)

diff --git a/kernel/bazaar/package.go b/kernel/bazaar/package.go
index a54ef9bc4..987f45f5f 100644
--- a/kernel/bazaar/package.go
+++ b/kernel/bazaar/package.go
@@ -62,6 +62,28 @@ type Package struct {
 	Downloads  int    `json:"downloads"`
 }
 
+func WidgetJSON(widgetDirName string) (ret map[string]interface{}, err error) {
+	p := filepath.Join(util.DataDir, widgetDirName, "widget.json")
+	if !gulu.File.IsExist(p) {
+		err = os.ErrNotExist
+		return
+	}
+	data, err := os.ReadFile(p)
+	if nil != err {
+		logging.LogErrorf("read widget.json [%s] failed: %s", p, err)
+		return
+	}
+	if err = gulu.JSON.UnmarshalJSON(data, &ret); nil != err {
+		logging.LogErrorf("parse widget.json [%s] failed: %s", p, err)
+		return
+	}
+	if 4 > len(ret) {
+		logging.LogWarnf("invalid widget.json [%s]", p)
+		return nil, errors.New("invalid widget.json")
+	}
+	return
+}
+
 func IconJSON(iconDirName string) (ret map[string]interface{}, err error) {
 	p := filepath.Join(util.ThemesPath, iconDirName, "icon.json")
 	if !gulu.File.IsExist(p) {
@@ -85,7 +107,7 @@ func IconJSON(iconDirName string) (ret map[string]interface{}, err error) {
 }
 
 func TemplateJSON(templateDirName string) (ret map[string]interface{}, err error) {
-	p := filepath.Join(util.ThemesPath, templateDirName, "template.json")
+	p := filepath.Join(util.DataDir, templateDirName, "template.json")
 	if !gulu.File.IsExist(p) {
 		err = os.ErrNotExist
 		return
@@ -178,6 +200,20 @@ func isOutdatedIcon(fullURL, version string, bazaarIcons []*Icon) bool {
 	return false
 }
 
+func isOutdatedWidget(fullURL, version string, bazaarWidgets []*Widget) bool {
+	if !strings.HasPrefix(fullURL, "https://github.com/") {
+		return false
+	}
+
+	url := strings.TrimPrefix(fullURL, "https://github.com/")
+	for _, pkg := range bazaarWidgets {
+		if url == pkg.URL && version != pkg.Version {
+			return true
+		}
+	}
+	return false
+}
+
 func isOutdatedTemplate(fullURL, version string, bazaarTemplates []*Template) bool {
 	if !strings.HasPrefix(fullURL, "https://github.com/") {
 		return false
diff --git a/kernel/bazaar/widget.go b/kernel/bazaar/widget.go
index a0b93b1d9..c821623cf 100644
--- a/kernel/bazaar/widget.go
+++ b/kernel/bazaar/widget.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"
@@ -94,6 +96,56 @@ func Widgets() (widgets []*Widget) {
 	return
 }
 
+func InstalledWidgets() (ret []*Icon) {
+	dir, err := os.Open(filepath.Join(util.DataDir, "widgets"))
+	if nil != err {
+		logging.LogWarnf("open widgets folder [%s] failed: %s", util.ThemesPath, err)
+		return
+	}
+	widgetDirs, err := dir.Readdir(-1)
+	if nil != err {
+		logging.LogWarnf("read widgets folder failed: %s", err)
+		return
+	}
+	dir.Close()
+
+	bazaarWidgets := Widgets()
+
+	for _, widgetDir := range widgetDirs {
+		if !widgetDir.IsDir() {
+			continue
+		}
+		dirName := widgetDir.Name()
+
+		widgetConf, parseErr := WidgetJSON(dirName)
+		if nil != parseErr || nil == widgetConf {
+			continue
+		}
+
+		icon := &Icon{}
+		icon.Name = widgetConf["name"].(string)
+		icon.Author = widgetConf["author"].(string)
+		icon.URL = widgetConf["url"].(string)
+		icon.Version = widgetConf["version"].(string)
+		icon.RepoURL = icon.URL
+		icon.PreviewURL = "/widgets/" + dirName + "/preview.png"
+		icon.PreviewURLThumb = "/widgets/" + dirName + "/preview.png"
+		icon.Updated = widgetDir.ModTime().Format("2006-01-02 15:04:05")
+		icon.Size = widgetDir.Size()
+		icon.HSize = humanize.Bytes(uint64(icon.Size))
+		icon.HUpdated = formatUpdated(icon.Updated)
+		readme, readErr := os.ReadFile(filepath.Join(util.DataDir, "widgets", dirName, "README.md"))
+		if nil != readErr {
+			logging.LogWarnf("read install icon README.md failed: %s", readErr)
+			continue
+		}
+		icon.README = gulu.Str.FromBytes(readme)
+		icon.Outdated = isOutdatedWidget(icon.URL, icon.Version, bazaarWidgets)
+		ret = append(ret, icon)
+	}
+	return
+}
+
 func InstallWidget(repoURL, repoHash, installPath string, systemID string) error {
 	repoURLHash := repoURL + "@" + repoHash
 	data, err := downloadPackage(repoURLHash, true, systemID)