answer/internal/controller/template_controller.go

540 lines
15 KiB
Go

package controller
import (
"encoding/json"
"fmt"
"html/template"
"net/http"
"regexp"
"strings"
"time"
"github.com/answerdev/answer/internal/base/constant"
"github.com/answerdev/answer/internal/base/handler"
templaterender "github.com/answerdev/answer/internal/controller/template_render"
"github.com/answerdev/answer/internal/schema"
"github.com/answerdev/answer/internal/service/siteinfo_common"
"github.com/answerdev/answer/pkg/checker"
"github.com/answerdev/answer/pkg/converter"
"github.com/answerdev/answer/pkg/htmltext"
"github.com/answerdev/answer/pkg/obj"
"github.com/answerdev/answer/pkg/uid"
"github.com/answerdev/answer/ui"
"github.com/gin-gonic/gin"
"github.com/segmentfault/pacman/log"
)
var SiteUrl = ""
type TemplateController struct {
scriptPath string
cssPath string
templateRenderController *templaterender.TemplateRenderController
siteInfoService siteinfo_common.SiteInfoCommonService
}
// NewTemplateController new controller
func NewTemplateController(
templateRenderController *templaterender.TemplateRenderController,
siteInfoService siteinfo_common.SiteInfoCommonService,
) *TemplateController {
script, css := GetStyle()
return &TemplateController{
scriptPath: script,
cssPath: css,
templateRenderController: templateRenderController,
siteInfoService: siteInfoService,
}
}
func GetStyle() (script, css string) {
file, err := ui.Build.ReadFile("build/index.html")
if err != nil {
return
}
scriptRegexp := regexp.MustCompile(`<script defer="defer" src="(.*)"></script>`)
scriptData := scriptRegexp.FindStringSubmatch(string(file))
cssRegexp := regexp.MustCompile(`<link href="(.*)" rel="stylesheet">`)
cssListData := cssRegexp.FindStringSubmatch(string(file))
if len(scriptData) == 2 {
script = scriptData[1]
}
if len(cssListData) == 2 {
css = cssListData[1]
}
return
}
func (tc *TemplateController) SiteInfo(ctx *gin.Context) *schema.TemplateSiteInfoResp {
var err error
resp := &schema.TemplateSiteInfoResp{}
resp.General, err = tc.siteInfoService.GetSiteGeneral(ctx)
if err != nil {
log.Error(err)
}
SiteUrl = resp.General.SiteUrl
resp.Interface, err = tc.siteInfoService.GetSiteInterface(ctx)
if err != nil {
log.Error(err)
}
resp.Branding, err = tc.siteInfoService.GetSiteBranding(ctx)
if err != nil {
log.Error(err)
}
resp.SiteSeo, err = tc.siteInfoService.GetSiteSeo(ctx)
if err != nil {
log.Error(err)
}
resp.CustomCssHtml, err = tc.siteInfoService.GetSiteCustomCssHTML(ctx)
if err != nil {
log.Error(err)
}
resp.Year = fmt.Sprintf("%d", time.Now().Year())
return resp
}
// Index question list
func (tc *TemplateController) Index(ctx *gin.Context) {
req := &schema.QuestionPageReq{
OrderCond: "newest",
}
if handler.BindAndCheck(ctx, req) {
tc.Page404(ctx)
return
}
var page = req.Page
data, count, err := tc.templateRenderController.Index(ctx, req)
if err != nil {
tc.Page404(ctx)
return
}
siteInfo := tc.SiteInfo(ctx)
siteInfo.Canonical = siteInfo.General.SiteUrl
UrlUseTitle := false
if siteInfo.SiteSeo.PermaLink == constant.PermaLinkQuestionIDAndTitle {
UrlUseTitle = true
}
siteInfo.Title = ""
tc.html(ctx, http.StatusOK, "question.html", siteInfo, gin.H{
"data": data,
"useTitle": UrlUseTitle,
"page": templaterender.Paginator(page, req.PageSize, count),
"path": "questions",
})
}
func (tc *TemplateController) QuestionList(ctx *gin.Context) {
req := &schema.QuestionPageReq{
OrderCond: "newest",
}
if handler.BindAndCheck(ctx, req) {
tc.Page404(ctx)
return
}
var page = req.Page
data, count, err := tc.templateRenderController.Index(ctx, req)
if err != nil {
tc.Page404(ctx)
return
}
siteInfo := tc.SiteInfo(ctx)
siteInfo.Canonical = fmt.Sprintf("%s/questions", siteInfo.General.SiteUrl)
if page > 1 {
siteInfo.Canonical = fmt.Sprintf("%s/questions?page=%d", siteInfo.General.SiteUrl, page)
}
UrlUseTitle := false
if siteInfo.SiteSeo.PermaLink == constant.PermaLinkQuestionIDAndTitle {
UrlUseTitle = true
}
siteInfo.Title = fmt.Sprintf("Questions - %s", siteInfo.General.Name)
tc.html(ctx, http.StatusOK, "question.html", siteInfo, gin.H{
"data": data,
"useTitle": UrlUseTitle,
"page": templaterender.Paginator(page, req.PageSize, count),
})
}
func (tc *TemplateController) QuestionInfoeRdirect(ctx *gin.Context, siteInfo *schema.TemplateSiteInfoResp, correctTitle bool) (jump bool, url string) {
id := ctx.Param("id")
title := ctx.Param("title")
titleIsAnswerID := false
needChangeShortID := false
siteSeo, err := tc.siteInfoService.GetSiteSeo(ctx)
if err != nil {
return false, ""
}
isShortID := uid.IsShortID(id)
if siteSeo.IsShortLink() {
if !isShortID {
id = uid.EnShortID(id)
needChangeShortID = true
}
} else {
if isShortID {
needChangeShortID = true
id = uid.DeShortID(id)
}
}
objectType, objectTypeerr := obj.GetObjectTypeStrByObjectID(uid.DeShortID(title))
if objectTypeerr == nil {
if objectType == constant.AnswerObjectType {
titleIsAnswerID = true
}
}
url = fmt.Sprintf("%s/questions/%s", siteInfo.General.SiteUrl, id)
if siteInfo.SiteSeo.PermaLink == constant.PermaLinkQuestionID || siteInfo.SiteSeo.PermaLink == constant.PermaLinkQuestionIDByShortID {
if len(ctx.Request.URL.Query()) > 0 {
url = fmt.Sprintf("%s?%s", url, ctx.Request.URL.RawQuery)
}
if needChangeShortID {
return true, url
}
//not have title
if titleIsAnswerID || len(title) == 0 {
return false, ""
}
return true, url
} else {
detail, err := tc.templateRenderController.QuestionDetail(ctx, id)
if err != nil {
tc.Page404(ctx)
return
}
url = fmt.Sprintf("%s/%s", url, htmltext.UrlTitle(detail.Title))
if titleIsAnswerID {
url = fmt.Sprintf("%s/%s", url, title)
}
if len(ctx.Request.URL.Query()) > 0 {
url = fmt.Sprintf("%s?%s", url, ctx.Request.URL.RawQuery)
}
//have title
if len(title) > 0 && !titleIsAnswerID && correctTitle {
if needChangeShortID {
return true, url
}
return false, ""
}
return true, url
}
}
// QuestionInfo question and answers info
func (tc *TemplateController) QuestionInfo(ctx *gin.Context) {
id := ctx.Param("id")
title := ctx.Param("title")
answerid := ctx.Param("answerid")
if checker.IsQuestionsIgnorePath(id) {
// if id == "ask" {
file, err := ui.Build.ReadFile("build/index.html")
if err != nil {
log.Error(err)
tc.Page404(ctx)
return
}
ctx.Header("content-type", "text/html;charset=utf-8")
ctx.String(http.StatusOK, string(file))
return
}
correctTitle := false
detail, err := tc.templateRenderController.QuestionDetail(ctx, id)
if err != nil {
tc.Page404(ctx)
return
}
encodeTitle := htmltext.UrlTitle(detail.Title)
if encodeTitle == title {
correctTitle = true
}
siteInfo := tc.SiteInfo(ctx)
jump, jumpurl := tc.QuestionInfoeRdirect(ctx, siteInfo, correctTitle)
if jump {
ctx.Redirect(http.StatusFound, jumpurl)
return
}
// answers
answerReq := &schema.AnswerListReq{
QuestionID: id,
Order: "",
Page: 1,
PageSize: 999,
UserID: "",
}
answers, answerCount, err := tc.templateRenderController.AnswerList(ctx, answerReq)
if err != nil {
tc.Page404(ctx)
return
}
// comments
objectIDs := []string{uid.DeShortID(id)}
for _, answer := range answers {
answerID := uid.DeShortID(answer.ID)
objectIDs = append(objectIDs, answerID)
}
comments, err := tc.templateRenderController.CommentList(ctx, objectIDs)
if err != nil {
tc.Page404(ctx)
return
}
siteInfo.Canonical = fmt.Sprintf("%s/questions/%s/%s", siteInfo.General.SiteUrl, id, encodeTitle)
if siteInfo.SiteSeo.PermaLink == constant.PermaLinkQuestionID {
siteInfo.Canonical = fmt.Sprintf("%s/questions/%s", siteInfo.General.SiteUrl, id)
}
jsonLD := &schema.QAPageJsonLD{}
jsonLD.Context = "https://schema.org"
jsonLD.Type = "QAPage"
jsonLD.MainEntity.Type = "Question"
jsonLD.MainEntity.Name = detail.Title
jsonLD.MainEntity.Text = detail.HTML
jsonLD.MainEntity.AnswerCount = int(answerCount)
jsonLD.MainEntity.UpvoteCount = detail.VoteCount
jsonLD.MainEntity.DateCreated = time.Unix(detail.CreateTime, 0)
jsonLD.MainEntity.Author.Type = "Person"
jsonLD.MainEntity.Author.Name = detail.UserInfo.DisplayName
answerList := make([]*schema.SuggestedAnswerItem, 0)
for _, answer := range answers {
if answer.Accepted == schema.AnswerAcceptedEnable {
acceptedAnswerItem := &schema.AcceptedAnswerItem{}
acceptedAnswerItem.Type = "Answer"
acceptedAnswerItem.Text = answer.HTML
acceptedAnswerItem.DateCreated = time.Unix(answer.CreateTime, 0)
acceptedAnswerItem.UpvoteCount = answer.VoteCount
acceptedAnswerItem.URL = fmt.Sprintf("%s/%s", siteInfo.Canonical, answer.ID)
acceptedAnswerItem.Author.Type = "Person"
acceptedAnswerItem.Author.Name = answer.UserInfo.DisplayName
jsonLD.MainEntity.AcceptedAnswer = acceptedAnswerItem
} else {
item := &schema.SuggestedAnswerItem{}
item.Type = "Answer"
item.Text = answer.HTML
item.DateCreated = time.Unix(answer.CreateTime, 0)
item.UpvoteCount = answer.VoteCount
item.URL = fmt.Sprintf("%s/%s", siteInfo.Canonical, answer.ID)
item.Author.Type = "Person"
item.Author.Name = answer.UserInfo.DisplayName
answerList = append(answerList, item)
}
}
jsonLD.MainEntity.SuggestedAnswer = answerList
jsonLDStr, err := json.Marshal(jsonLD)
if err == nil {
siteInfo.JsonLD = `<script data-react-helmet="true" type="application/ld+json">` + string(jsonLDStr) + ` </script>`
}
siteInfo.Description = htmltext.FetchExcerpt(detail.HTML, "...", 240)
tags := make([]string, 0)
for _, tag := range detail.Tags {
tags = append(tags, tag.DisplayName)
}
siteInfo.Keywords = strings.Replace(strings.Trim(fmt.Sprint(tags), "[]"), " ", ",", -1)
siteInfo.Title = fmt.Sprintf("%s - %s", detail.Title, siteInfo.General.Name)
tc.html(ctx, http.StatusOK, "question-detail.html", siteInfo, gin.H{
"id": id,
"answerid": answerid,
"detail": detail,
"answers": answers,
"comments": comments,
})
}
// TagList tags list
func (tc *TemplateController) TagList(ctx *gin.Context) {
req := &schema.GetTagWithPageReq{}
if handler.BindAndCheck(ctx, req) {
return
}
data, err := tc.templateRenderController.TagList(ctx, req)
if err != nil {
tc.Page404(ctx)
return
}
page := templaterender.Paginator(req.Page, req.PageSize, data.Count)
siteInfo := tc.SiteInfo(ctx)
siteInfo.Canonical = fmt.Sprintf("%s/tags", siteInfo.General.SiteUrl)
if req.Page > 1 {
siteInfo.Canonical = fmt.Sprintf("%s/tags?page=%d", siteInfo.General.SiteUrl, req.Page)
}
siteInfo.Title = fmt.Sprintf("%s - %s", "Tags", siteInfo.General.Name)
tc.html(ctx, http.StatusOK, "tags.html", siteInfo, gin.H{
"page": page,
"data": data,
})
}
// TagInfo taginfo
func (tc *TemplateController) TagInfo(ctx *gin.Context) {
tag := ctx.Param("tag")
req := &schema.GetTamplateTagInfoReq{}
if handler.BindAndCheck(ctx, req) {
tc.Page404(ctx)
return
}
nowPage := req.Page
req.Name = tag
taginifo, questionList, questionCount, err := tc.templateRenderController.TagInfo(ctx, req)
if err != nil {
tc.Page404(ctx)
return
}
page := templaterender.Paginator(nowPage, req.PageSize, questionCount)
siteInfo := tc.SiteInfo(ctx)
siteInfo.Canonical = fmt.Sprintf("%s/tags/%s", siteInfo.General.SiteUrl, tag)
if req.Page > 1 {
siteInfo.Canonical = fmt.Sprintf("%s/tags/%s?page=%d", siteInfo.General.SiteUrl, tag, req.Page)
}
siteInfo.Description = htmltext.FetchExcerpt(taginifo.ParsedText, "...", 240)
if len(taginifo.ParsedText) == 0 {
siteInfo.Description = "The tag has no description."
}
siteInfo.Keywords = taginifo.DisplayName
UrlUseTitle := false
if siteInfo.SiteSeo.PermaLink == constant.PermaLinkQuestionIDAndTitle {
UrlUseTitle = true
}
siteInfo.Title = fmt.Sprintf("'%s' Questions - %s", taginifo.DisplayName, siteInfo.General.Name)
tc.html(ctx, http.StatusOK, "tag-detail.html", siteInfo, gin.H{
"tag": taginifo,
"questionList": questionList,
"questionCount": questionCount,
"useTitle": UrlUseTitle,
"page": page,
})
}
// UserInfo user info
func (tc *TemplateController) UserInfo(ctx *gin.Context) {
username := ctx.Param("username")
if username == "" {
tc.Page404(ctx)
return
}
exist := checker.IsUsersIgnorePath(username)
if exist {
file, err := ui.Build.ReadFile("build/index.html")
if err != nil {
log.Error(err)
tc.Page404(ctx)
return
}
ctx.Header("content-type", "text/html;charset=utf-8")
ctx.String(http.StatusOK, string(file))
return
}
req := &schema.GetOtherUserInfoByUsernameReq{}
req.Username = username
userinfo, err := tc.templateRenderController.UserInfo(ctx, req)
if err != nil {
tc.Page404(ctx)
return
}
siteInfo := tc.SiteInfo(ctx)
siteInfo.Canonical = fmt.Sprintf("%s/users/%s", siteInfo.General.SiteUrl, username)
siteInfo.Title = fmt.Sprintf("%s - %s", username, siteInfo.General.Name)
tc.html(ctx, http.StatusOK, "homepage.html", siteInfo, gin.H{
"userinfo": userinfo,
"bio": template.HTML(userinfo.BioHTML),
})
}
func (tc *TemplateController) Page404(ctx *gin.Context) {
tc.html(ctx, http.StatusNotFound, "404.html", tc.SiteInfo(ctx), gin.H{})
}
func (tc *TemplateController) html(ctx *gin.Context, code int, tpl string, siteInfo *schema.TemplateSiteInfoResp, data gin.H) {
data["siteinfo"] = siteInfo
data["scriptPath"] = tc.scriptPath
data["cssPath"] = tc.cssPath
data["keywords"] = siteInfo.Keywords
if siteInfo.Description == "" {
siteInfo.Description = siteInfo.General.Description
}
data["title"] = siteInfo.Title
if siteInfo.Title == "" {
data["title"] = siteInfo.General.Name
}
data["description"] = siteInfo.Description
data["language"] = handler.GetLang(ctx)
data["timezone"] = siteInfo.Interface.TimeZone
language := strings.Replace(siteInfo.Interface.Language, "_", "-", -1)
data["lang"] = language
data["HeadCode"] = siteInfo.CustomCssHtml.CustomHead
data["HeaderCode"] = siteInfo.CustomCssHtml.CustomHeader
data["FooterCode"] = siteInfo.CustomCssHtml.CustomFooter
data["Version"] = constant.Version
data["Revision"] = constant.Revision
_, ok := data["path"]
if !ok {
data["path"] = ""
}
ctx.Header("X-Frame-Options", "DENY")
ctx.HTML(code, tpl, data)
}
func (tc *TemplateController) Sitemap(ctx *gin.Context) {
if tc.checkPrivateMode(ctx) {
tc.Page404(ctx)
return
}
tc.templateRenderController.Sitemap(ctx)
}
func (tc *TemplateController) SitemapPage(ctx *gin.Context) {
if tc.checkPrivateMode(ctx) {
tc.Page404(ctx)
return
}
page := 0
pageParam := ctx.Param("page")
pageRegexp := regexp.MustCompile(`question-(.*).xml`)
pageStr := pageRegexp.FindStringSubmatch(pageParam)
if len(pageStr) != 2 {
tc.Page404(ctx)
return
}
page = converter.StringToInt(pageStr[1])
if page == 0 {
tc.Page404(ctx)
return
}
err := tc.templateRenderController.SitemapPage(ctx, page)
if err != nil {
tc.Page404(ctx)
return
}
}
func (tc *TemplateController) checkPrivateMode(ctx *gin.Context) bool {
resp, err := tc.siteInfoService.GetSiteLogin(ctx)
if err != nil {
log.Error(err)
return false
}
if resp.LoginRequired {
return true
}
return false
}