Files
leanote/app/service/ThemeService.go

478 lines
13 KiB
Go

package service
import (
"github.com/revel/revel"
"github.com/leanote/leanote/app/info"
"github.com/leanote/leanote/app/db"
. "github.com/leanote/leanote/app/lea"
"github.com/leanote/leanote/app/lea/archive"
"gopkg.in/mgo.v2/bson"
"time"
"strings"
"os"
"fmt"
"html/template"
"regexp"
"encoding/json"
)
// 主题
type ThemeService struct {
}
var defaultStyle = "blog_default"
var elegantStyle = "blog_daqi"
var fixedStyle = "blog_left_fixed"
// admin用户的主题基路径
func (this *ThemeService) getDefaultThemeBasePath() string {
return revel.BasePath + "/public/blog/themes"
}
// 默认主题路径
func (this *ThemeService) getDefaultThemePath(style string) string {
if style == elegantStyle {
return this.getDefaultThemeBasePath() + "/elegant"
} else if style == fixedStyle {
return this.getDefaultThemeBasePath() + "/nav_fixed"
} else {
return this.getDefaultThemeBasePath() + "/default"
}
}
// blogService用
func (this *ThemeService) GetDefaultThemePath(style string) string {
if style == elegantStyle {
return "public/blog/themes/elegant"
} else if style == fixedStyle {
return "public/blog/themes/nav_fixed"
} else {
return "public/blog/themes/default"
}
}
// 得到默认主题
// style是之前的值, 有3个值 blog_default, blog_daqi, blog_left_fixed
func (this *ThemeService) getDefaultTheme(style string) info.Theme {
if style == elegantStyle {
return info.Theme{
IsDefault: true,
Path: "public/blog/themes/elegant",
Name: "leanote elegant",
Author: "leanote",
AuthorUrl: "http://leanote.com",
Version: "1.0",
}
} else if style == fixedStyle {
return info.Theme{
IsDefault: true,
Path: "public/blog/themes/nav_fixed",
Name: "leanote nav fixed",
Author: "leanote",
AuthorUrl: "http://leanote.com",
Version: "1.0",
}
} else { // blog default
return info.Theme{
IsDefault: true,
Path: "public/blog/themes/default",
Name: "leanote default",
Author: "leanote",
AuthorUrl: "http://leanote.com",
Version: "1.0",
}
}
}
// 用户的主题路径设置
func (this *ThemeService) getUserThemeBasePath(userId string) string {
return revel.BasePath + "/public/upload/" + userId + "/themes"
}
func (this *ThemeService) getUserThemePath(userId, themeId string) string {
return this.getUserThemeBasePath(userId) + "/" + themeId
}
func (this *ThemeService) getUserThemePath2(userId, themeId string) string {
return "public/upload/" + userId + "/themes/" + themeId
}
// 新建主题
// 复制默认主题到文件夹下
func (this *ThemeService) CopyDefaultTheme(userBlog info.UserBlog) (ok bool, themeId string) {
newThemeId := bson.NewObjectId()
themeId = newThemeId.Hex()
userId := userBlog.UserId.Hex()
themePath := this.getUserThemePath(userId, themeId)
err := os.MkdirAll(themePath, 0755)
if err != nil {
return
}
// 复制默认主题
defaultThemePath := this.getDefaultThemePath(userBlog.Style)
err = CopyDir(defaultThemePath, themePath)
if err != nil {
return
}
// 保存到数据库中
theme, _ := this.getThemeConfig(themePath)
theme.ThemeId = newThemeId
theme.Path = this.getUserThemePath2(userId, themeId)
theme.CreatedTime = time.Now()
theme.UpdatedTime = theme.CreatedTime
theme.UserId = bson.ObjectIdHex(userId)
ok = db.Insert(db.Themes, theme)
return ok, themeId
}
// 第一次新建主题
// 设为active true
func (this *ThemeService) NewThemeForFirst(userBlog info.UserBlog) (ok bool, themeId string) {
ok, themeId = this.CopyDefaultTheme(userBlog)
db.UpdateByQField(db.Themes, bson.M{"_id": bson.ObjectIdHex(themeId)}, "IsActive", true)
return
}
// 新建主题, 判断是否有主题了
func (this *ThemeService) NewTheme(userId string) (ok bool, themeId string) {
userBlog := blogService.GetUserBlog(userId)
// 如果还没有主题, 那先复制旧的主题
if userBlog.ThemeId == "" {
themeService.NewThemeForFirst(userBlog)
}
// 再copy一个默认主题
userBlog.Style = "defaultStyle";
ok, themeId = this.CopyDefaultTheme(userBlog)
return
}
// 将字符串转成Theme配置
func (this *ThemeService) parseConfig(configStr string) (theme info.Theme, err error) {
theme = info.Theme{}
// 除去/**/注释
reg, _ := regexp.Compile("/\\*[\\s\\S]*?\\*/")
configStr = reg.ReplaceAllString(configStr, "")
// 转成map
config := map[string]interface{}{}
err = json.Unmarshal([]byte(configStr), &config)
if err != nil {
return
}
// 没有错, 则将Name, Version, Author, AuthorUrl
Name := config["Name"]
if Name != nil {
theme.Name = Name.(string)
}
Version := config["Version"]
if Version != nil {
theme.Version = Version.(string)
}
Author := config["Author"]
if Author != nil {
theme.Author = Author.(string)
}
AuthorUrl := config["AuthorUrl"]
if AuthorUrl != nil {
theme.AuthorUrl = AuthorUrl.(string)
}
theme.Info = config
return
}
// 读取theme.json得到值
func (this *ThemeService) getThemeConfig(themePath string) (theme info.Theme, err error) {
theme = info.Theme{}
configStr := GetFileStrContent(themePath + "/theme.json")
theme, err = this.parseConfig(configStr)
return
}
func (this *ThemeService) GetTheme(userId, themeId string) info.Theme {
theme := info.Theme{}
db.GetByQ(db.Themes, bson.M{"_id": bson.ObjectIdHex(themeId), "UserId": bson.ObjectIdHex(userId)}, &theme)
return theme
}
func (this *ThemeService) GetThemeById(themeId string) info.Theme {
theme := info.Theme{}
db.GetByQ(db.Themes, bson.M{"_id": bson.ObjectIdHex(themeId)}, &theme)
return theme
}
// 得到主题信息, 为了给博客用
func (this *ThemeService) GetThemeInfo(themeId, style string) map[string]interface{} {
q := bson.M{}
if themeId == "" {
if style == "" {
style = defaultStyle
}
q["Style"] = style
q["IsDefault"] = true
} else {
q["_id"] = bson.ObjectIdHex(themeId)
}
theme := info.Theme{}
db.GetByQ(db.Themes, q, &theme)
return theme.Info
}
// 得到用户的主题
// 若用户没有主题, 则至少有一个默认主题
// 第一个返回值是当前active
func (this *ThemeService) GetUserThemes(userId string) (theme info.Theme, themes []info.Theme) {
theme = info.Theme{}
themes = []info.Theme{}
// db.ListByQ(db.Themes, bson.M{"UserId": bson.ObjectIdHex(userId)}, &themes)
// 创建时间逆序
query := bson.M{"UserId": bson.ObjectIdHex(userId)}
q := db.Themes.Find(query);
q.Sort("-CreatedTime").All(&themes)
if len(themes) == 0 {
userBlog := blogService.GetUserBlog(userId)
theme = this.getDefaultTheme(userBlog.Style)
} else {
var has = false
// 第一个是active的主题
themes2 := make([]info.Theme, len(themes))
i := 0
for _, t := range themes {
if t.IsActive {
theme = t
} else {
has = true
themes2[i] = t
i++
}
}
if has {
themes = themes2
} else {
themes = nil
}
}
return
}
// 得到默认主题供选择
func (this *ThemeService) GetDefaultThemes() (themes []info.Theme) {
themes = []info.Theme{}
db.ListByQ(db.Themes, bson.M{"IsDefault": true}, &themes)
return
}
// 得到模板内容
func (this *ThemeService) GetTplContent(userId, themeId, filename string) string {
path := this.GetThemeAbsolutePath(userId, themeId) + "/" + filename
return GetFileStrContent(path)
}
// 得到主题的绝对路径
func (this *ThemeService) GetThemeAbsolutePath(userId, themeId string) string {
theme := info.Theme{}
db.GetByQWithFields(db.Themes, bson.M{"_id": bson.ObjectIdHex(themeId), "UserId": bson.ObjectIdHex(userId)}, []string{"Path"}, &theme)
if theme.Path != "" {
return revel.BasePath + "/" + theme.Path
}
return ""
}
func (this *ThemeService) GetThemePath(userId, themeId string) string {
theme := info.Theme{}
db.GetByQWithFields(db.Themes, bson.M{"_id": bson.ObjectIdHex(themeId), "UserId": bson.ObjectIdHex(userId)}, []string{"Path"}, &theme)
if theme.Path != "" {
return theme.Path
}
return ""
}
// 更新模板内容
func (this *ThemeService) UpdateTplContent(userId, themeId, filename, content string) (ok bool, msg string) {
path := this.GetThemeAbsolutePath(userId, themeId) + "/" + filename
if strings.Contains(filename, ".html") {
// 模板
if ok, msg = this.mustTpl(filename, content); ok {
ok = PutFileStrContent(path, content)
}
return
} else if filename == "theme.json" {
// 主题配置, 判断是否是正确的json
theme, err := this.parseConfig(content)
if err != nil {
return false, fmt.Sprintf("%v", err)
}
// 正确, 更新theme信息
ok = db.UpdateByQMap(db.Themes, bson.M{"_id": bson.ObjectIdHex(themeId), "UserId": bson.ObjectIdHex(userId)},
bson.M{
"Name": theme.Name,
"Version": theme.Version,
"Author": theme.Author,
"AuthorUrl": theme.AuthorUrl,
"Info": theme.Info,
})
if ok {
ok = PutFileStrContent(path, content)
}
return
}
ok = PutFileStrContent(path, content)
return
}
func (this *ThemeService) DeleteTpl(userId, themeId, filename string) (ok bool) {
path := this.GetThemeAbsolutePath(userId, themeId) + "/" + filename
ok = DeleteFile(path)
return
}
// 判断是否有语法错误
func (this *ThemeService) mustTpl(filename, content string) (ok bool, msg string) {
ok = true
defer func() {
if err := recover(); err != nil {
ok = false
Log(err)
msg = fmt.Sprintf("%v", err)
}
}()
template.Must(template.New(filename).Funcs(revel.TemplateFuncs).Parse(content))
return
}
/////////
// 使用主题
func (this *ThemeService) ActiveTheme(userId, themeId string) (ok bool) {
if db.Has(db.Themes, bson.M{"_id": bson.ObjectIdHex(themeId), "UserId": bson.ObjectIdHex(userId)}) {
// 之前的设为false
db.UpdateByQField(db.Themes, bson.M{"UserId": bson.ObjectIdHex(userId), "IsActive": true}, "IsActive", false)
// 现在的设为true
db.UpdateByQField(db.Themes, bson.M{"_id": bson.ObjectIdHex(themeId)}, "IsActive", true)
// UserBlog ThemeId
db.UpdateByQField(db.UserBlogs, bson.M{"_id": bson.ObjectIdHex(userId)}, "ThemeId", bson.ObjectIdHex(themeId))
return true
}
return false
}
// 删除主题
func (this *ThemeService) DeleteTheme(userId, themeId string) (ok bool) {
return db.Delete(db.Themes,bson.M{"_id": bson.ObjectIdHex(themeId), "UserId": bson.ObjectIdHex(userId), "IsActive": false})
}
// 公开主题, 只有管理员才有权限, 之前没公开的变成公开
func (this *ThemeService) PublicTheme(userId, themeId string) (ok bool) {
// 是否是管理员?
userInfo := userService.GetUserInfo(userId)
if userInfo.Username == configService.GetAdminUsername() {
theme := this.GetThemeById(themeId)
return db.UpdateByQField(db.Themes, bson.M{"UserId": bson.ObjectIdHex(userId), "_id": bson.ObjectIdHex(themeId)}, "IsDefault", !theme.IsDefault)
}
return false
}
// 导出主题
func (this *ThemeService) ExportTheme(userId, themeId string) (ok bool, path string) {
theme := this.GetThemeById(themeId)
// 打包
// 验证路径, 别把整个项目打包了
Log(theme.Path)
if theme.Path == "" ||
(!strings.HasPrefix(theme.Path, "public/upload") &&
!strings.HasPrefix(theme.Path, "public/blog/themes")) ||
strings.Contains(theme.Path, "..") {
return
}
sourcePath := revel.BasePath + "/" + theme.Path
targetPath := revel.BasePath + "/public/upload/" + userId + "/tmp"
err := os.MkdirAll(targetPath, 0755)
if err != nil {
Log(err)
return
}
targetName := targetPath + "/" + theme.Name + ".zip"
Log(sourcePath)
Log(targetName)
ok = archive.Zip(sourcePath, targetName)
if !ok {
return
}
return true, targetName
}
// 导入主题
// path == /llllllll/..../public/upload/.../aa.zip, 绝对路径
func (this *ThemeService) ImportTheme(userId, path string) (ok bool, msg string) {
themeIdO := bson.NewObjectId()
themeId := themeIdO.Hex()
targetPath := this.getUserThemePath(userId, themeId) // revel.BasePath + "/public/upload/" + userId + "/themes/" + themeId
if ok, msg = archive.Unzip(path, targetPath); !ok {
DeleteFile(targetPath)
return
}
// 解压成功, 那么新建之
// 保存到数据库中
theme, _ := this.getThemeConfig(targetPath)
if theme.Name == "" {
ok = false
DeleteFile(targetPath)
msg = "解析错误"
return
}
theme.ThemeId = themeIdO
theme.Path = this.getUserThemePath2(userId, themeId)
theme.CreatedTime = time.Now()
theme.UpdatedTime = theme.CreatedTime
theme.UserId = bson.ObjectIdHex(userId)
ok = db.Insert(db.Themes, theme)
if !ok {
DeleteFile(targetPath)
}
DeleteFile(path)
return
}
// 安装主题
// 得到该主题路径
func (this *ThemeService) InstallTheme(userId, themeId string) (ok bool) {
theme := this.GetThemeById(themeId)
// 不是默认主题, 即不是admin用户的主题, 不能乱安装
if !theme.IsDefault {
return false
}
// 用户之前是否有主题?
userBlog := blogService.GetUserBlog(userId)
if userBlog.ThemeId == "" {
this.NewThemeForFirst(userBlog)
}
// 生成新主题
newThemeId := bson.NewObjectId()
themeId = newThemeId.Hex()
themePath := this.getUserThemePath(userId, themeId)
err := os.MkdirAll(themePath, 0755)
if err != nil {
return
}
// 复制默认主题
sourceThemePath := revel.BasePath + "/" + theme.Path
err = CopyDir(sourceThemePath, themePath)
if err != nil {
return
}
// 保存到数据库中
theme, _ = this.getThemeConfig(themePath)
theme.ThemeId = newThemeId
theme.Path = this.getUserThemePath2(userId, themeId)
theme.CreatedTime = time.Now()
theme.UpdatedTime = theme.CreatedTime
theme.UserId = bson.ObjectIdHex(userId)
ok = db.Insert(db.Themes, theme)
return ok
}