0904
This commit is contained in:
tamakyi
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// Copyright 2022 E99p1ant. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package question
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import (
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stdctx "context"
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"fmt"
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"net/url"
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"unicode/utf8"
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"github.com/pkg/errors"
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"github.com/sirupsen/logrus"
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"github.com/tamakyi/TamaBox/internal/conf"
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"github.com/tamakyi/TamaBox/internal/context"
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"github.com/tamakyi/TamaBox/internal/db"
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"github.com/tamakyi/TamaBox/internal/form"
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"github.com/tamakyi/TamaBox/internal/i18n"
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"github.com/tamakyi/TamaBox/internal/imagecheck"
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"github.com/tamakyi/TamaBox/internal/mail"
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"github.com/tamakyi/TamaBox/internal/security/censor"
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"github.com/tamakyi/TamaBox/internal/shared"
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)
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func Questioner(ctx context.Context, pageUser *db.User) {
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// 从 URL query 读取 token；追问等 POST 请求 token 在表单隐藏域中，需回退读取表单字段。
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// FormValue 同时覆盖 query 与 body（含 multipart），对 GET 请求行为与 Query 一致。
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token := ctx.Query("t")
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if token == "" {
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token = ctx.Request().FormValue("token")
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}
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questionID := uint(ctx.ParamInt("questionID"))
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question, err := db.Questions.GetByID(ctx.Request().Context(), questionID)
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if err != nil {
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if !errors.Is(err, db.ErrQuestionNotExist) {
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logrus.WithContext(ctx.Request().Context()).WithError(err).Error("Failed to get question by ID")
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}
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ctx.Redirect("/")
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return
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}
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ctx.Data["Question"] = question
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askUploadImages, err := db.UploadImages.GetByTypeQuestionID(ctx.Request().Context(), db.UploadImageQuestionTypeAsk, questionID)
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if err != nil {
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logrus.WithContext(ctx.Request().Context()).WithError(err).Error("Failed to get ask upload images")
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}
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ctx.Data["AskUploadImages"] = askUploadImages
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answerUploadImages, err := db.UploadImages.GetByTypeQuestionID(ctx.Request().Context(), db.UploadImageQuestionTypeAnswer, questionID)
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if err != nil {
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logrus.WithContext(ctx.Request().Context()).WithError(err).Error("Failed to get answer upload images")
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}
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ctx.Data["AnswerUploadImages"] = answerUploadImages
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// Check the question is belongs to the correct page user.
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// If the question has not been answered, we should check the question is belongs to the correct page user.
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// The questioner can use the token to view the question.
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// 注意：token 为空的未回答/私密问题同样禁止匿名访问（不能因 token 为空而放行）。
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if question.UserID != pageUser.ID ||
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((question.Answer == "" || question.IsPrivate) &&
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(!ctx.IsLogged || ctx.User.ID != question.UserID) &&
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!(question.Token != "" && question.Token == token)) {
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ctx.Redirect("/")
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return
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}
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// The page's owner or the question's token can have the permission to delete the question.
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// Inject the permission into the context.
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canDelete := ctx.IsLogged && ctx.User.ID == pageUser.ID
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ctx.Map(canDelete)
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ctx.Data["CanDelete"] = canDelete
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// ---------- 追问 ----------
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followUps, err := db.FollowUps.GetByQuestionID(ctx.Request().Context(), questionID)
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if err != nil {
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logrus.WithContext(ctx.Request().Context()).WithError(err).Error("Failed to get follow ups")
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followUps = []*db.FollowUp{}
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}
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ctx.Data["FollowUps"] = followUps
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// 提问者身份：token 匹配（匿名）或登录账号匹配（登录用户）
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isQuestioner := isQuestioner(ctx, question, token)
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ctx.Data["IsQuestioner"] = isQuestioner
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// 是否可追问：已回答 + 提问者 + 追问次数未达上限
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followUpRemaining := 0
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if isQuestioner && question.Answer != "" {
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count, err := db.FollowUps.CountByQuestionID(ctx.Request().Context(), questionID)
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if err != nil {
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logrus.WithContext(ctx.Request().Context()).WithError(err).Error("Failed to count follow ups")
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} else {
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followUpRemaining = db.MaxFollowUpCount - int(count)
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}
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}
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// 是否可追问：已回答 + 提问者 + 追问次数未达上限 + 上一条追问已被主人回复
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// （主人尚未回复上一条追问时，提问者不应继续发起新的追问）
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// 等待提示同样仅对提问者展示——主人/旁观者看到的应是回复框或正常内容。
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waitingFollowUpReply := false
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if isQuestioner && len(followUps) > 0 && followUps[len(followUps)-1].Answer == "" {
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waitingFollowUpReply = true
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}
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canFollowUp := isQuestioner && question.Answer != "" && followUpRemaining > 0 && !waitingFollowUpReply
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ctx.Data["CanFollowUp"] = canFollowUp
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ctx.Data["WaitingFollowUpReply"] = waitingFollowUpReply
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ctx.Data["FollowUpRemaining"] = followUpRemaining
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ctx.Data["FollowUpLimit"] = db.MaxFollowUpCount
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// 供追问表单隐藏域回传（匿名提问者必须携带 token）
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ctx.Data["QuestionToken"] = token
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// 返回来源：admin=从管理后台(/user/questions)进入；空=从提问箱主页(/_/domain)或直接访问，
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// 默认返回提问箱主页。详情页底部"返回xxx的提问箱"按钮据此决定跳转目标。
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backFrom := ctx.Query("from")
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ctx.Data["BackFrom"] = backFrom
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// 从后台返回时，把进入时携带的筛选参数(sort/status/type/read/q)原样回传，
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// 使"返回"跳回带筛选条件的后台列表，避免丢失已选的筛选/搜索条件。
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if backFrom == "admin" {
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backQuery := url.Values{}
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for _, key := range []string{"sort", "status", "type", "read", "q"} {
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if v := ctx.Query(key); v != "" {
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backQuery.Set(key, v)
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}
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}
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backTo := "/user/questions"
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if qs := backQuery.Encode(); qs != "" {
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backTo += "?" + qs
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}
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ctx.Data["BackTo"] = backTo
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}
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ctx.Map(question)
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}
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func Item(ctx context.Context) {
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ctx.Success("question/item")
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}
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func PublishAnswer(ctx context.Context, pageUser *db.User, question *db.Question, f form.PublishAnswerQuestion) {
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if ctx.HasError() {
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ctx.Success("question/item")
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return
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}
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// 回答内容长度上限（conf.Limits.AnswerContentLen，[limits] 配置段），
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// 与前端回答框 maxlength 同源（发布与编辑共用，rune 计数）。
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if utf8.RuneCountInString(f.Answer) > conf.Limits.AnswerContentLen {
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ctx.SetError(errors.New(i18n.T(ctx.Lang(), "form.answer.contentTooLong", conf.Limits.AnswerContentLen)), f)
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ctx.Success("question/item")
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return
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}
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if ctx.User.ID != pageUser.ID {
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ctx.Redirect("/")
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return
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}
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// 纵深防御：确认该提问归属当前页面箱主（Questioner 中间件已保证，这里二次校验防中间件改动引入越权）。
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if question.UserID != pageUser.ID {
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ctx.Redirect("/")
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return
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}
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answer := f.Answer
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// 🚨 Content security check.
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censorResponse, err := censor.Text(ctx.Request().Context(), answer)
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if err != nil {
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// 审核源全部不可用：fail-closed，拒绝发布而非免审放行。
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logrus.WithContext(ctx.Request().Context()).WithError(err).Error("Failed to censor text")
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ctx.SetError(errors.New(i18n.T(ctx.Lang(), "censor.unavailable")), f)
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ctx.Success("question/item")
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return
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}
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if !censorResponse.Pass {
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errorMessage := censorResponse.ErrorMessage()
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ctx.SetError(errors.New(errorMessage), f)
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ctx.Success("question/item")
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return
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}
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if len(f.Images) > 0 {
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image := f.Images[0]
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if err := uploadImage(ctx, uploadImageOptions{
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Type: db.UploadImageQuestionTypeAnswer,
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Image: image,
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QuestionID: question.ID,
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UploaderUserID: ctx.User.ID,
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IsDeletingPrevious: true,
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}); err != nil {
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if errors.Is(err, ErrUploadImageSizeTooLarge) || errors.Is(err, imagecheck.ErrImageTooLarge) {
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ctx.SetErrorFlash(err.Error())
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ctx.Success("question/item")
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return
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} else {
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logrus.WithContext(ctx.Request().Context()).WithError(err).Error("Failed to upload image")
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}
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}
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}
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if err := db.Questions.AnswerByID(ctx.Request().Context(), question.ID, f.Answer); err != nil {
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logrus.WithContext(ctx.Request().Context()).WithError(err).Error("Failed to answer question")
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ctx.SetInternalError(f)
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ctx.Success("question/item")
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return
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}
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// Update censor result.
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if err := db.Questions.UpdateCensor(ctx.Request().Context(), question.ID, db.UpdateQuestionCensorOptions{
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AnswerCensorMetadata: censorResponse.ToJSON(),
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}); err != nil {
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logrus.WithContext(ctx.Request().Context()).WithError(err).Error("Failed to update answer censor result")
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}
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shared.SafeGo(func() {
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if question.ReceiveReplyEmail != "" && question.Answer == "" { // We only send the email when the question has not been answered.
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// Send notification to questioner.
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if err := mail.SendNewAnswerMail(question.ReceiveReplyEmail, pageUser.Domain, question.ID, question.Content, f.Answer, question.Token); err != nil {
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logrus.WithContext(stdctx.Background()).WithError(err).Error("Failed to send receive reply mail to questioner")
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}
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}
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})
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ctx.SetSuccessFlash(i18n.T(ctx.Lang(), "question.flash.answered"))
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ctx.Redirect(fmt.Sprintf("/_/%s/%d", pageUser.Domain, question.ID))
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}
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func Delete(ctx context.Context, pageUser *db.User, question *db.Question, canDelete bool) {
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if !canDelete {
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ctx.Redirect("/_/" + pageUser.Domain)
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return
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}
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if err := db.Questions.DeleteByID(ctx.Request().Context(), question.ID); err != nil {
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logrus.WithContext(ctx.Request().Context()).WithError(err).Error("Failed to delete question")
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ctx.SetInternalError()
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ctx.Success("question/item")
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return
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}
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ctx.Redirect("/_/" + pageUser.Domain)
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}
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func SetPrivate(ctx context.Context, pageUser *db.User, question *db.Question, canDelete bool) {
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if !canDelete {
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ctx.Redirect("/_/" + pageUser.Domain)
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return
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}
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if err := db.Questions.SetPrivate(ctx.Request().Context(), question.ID); err != nil {
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logrus.WithContext(ctx.Request().Context()).WithError(err).Error("Failed to set question private")
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ctx.SetInternalError()
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ctx.Success("question/item")
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return
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}
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ctx.Redirect(fmt.Sprintf("/_/%s/%d", pageUser.Domain, question.ID))
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}
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func SetPublic(ctx context.Context, pageUser *db.User, question *db.Question, canDelete bool) {
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if !canDelete {
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ctx.Redirect("/_/" + pageUser.Domain)
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return
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}
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if err := db.Questions.SetPublic(ctx.Request().Context(), question.ID); err != nil {
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logrus.WithContext(ctx.Request().Context()).WithError(err).Error("Failed to set question public")
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ctx.SetInternalError()
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ctx.Success("question/item")
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return
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}
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ctx.Redirect(fmt.Sprintf("/_/%s/%d", pageUser.Domain, question.ID))
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}
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// TogglePin 置顶/取消置顶（仅提问箱主人，操作入口在我的提问管理页）。
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func TogglePin(ctx context.Context, pageUser *db.User, question *db.Question, canDelete bool) {
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if !canDelete {
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ctx.Redirect("/_/" + pageUser.Domain)
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return
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}
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if err := db.Questions.SetPinned(ctx.Request().Context(), question.ID, !question.IsPinned); err != nil {
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logrus.WithContext(ctx.Request().Context()).WithError(err).Error("Failed to toggle question pinned")
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ctx.SetInternalError()
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ctx.Success("question/item")
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return
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}
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ctx.SetSuccessFlash(i18n.T(ctx.Lang(), "question.flash.operated"))
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ctx.Redirect("/user/questions")
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}
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// SetRead 手动标记提问为已读，跳转回管理列表并定位到该条。
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func SetRead(ctx context.Context, pageUser *db.User, question *db.Question, canDelete bool) {
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if !canDelete {
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ctx.Redirect("/_/" + pageUser.Domain)
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return
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}
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if err := db.Questions.SetRead(ctx.Request().Context(), question.ID); err != nil {
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logrus.WithContext(ctx.Request().Context()).WithError(err).Error("Failed to set question read")
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ctx.SetInternalError()
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ctx.Success("question/item")
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return
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}
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ctx.SetSuccessFlash(i18n.T(ctx.Lang(), "question.flash.markedRead"))
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ctx.Redirect(fmt.Sprintf("/user/questions#question-%d", question.ID))
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}
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// SetUnread 手动标记提问为未读。已回答的提问锁定为已读，不可改回未读。
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// 跳转与 SetRead 一致，回到管理列表并定位到该条，保证"已读/未读"操作路径统一。
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func SetUnread(ctx context.Context, pageUser *db.User, question *db.Question, canDelete bool) {
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if !canDelete {
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ctx.Redirect("/_/" + pageUser.Domain)
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return
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}
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// 已回答的问题锁定为已读：上层直接拦截，避免误导用户。
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if question.Answer != "" {
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ctx.SetErrorFlash(i18n.T(ctx.Lang(), "question.errAnsweredLocked"))
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ctx.Redirect(fmt.Sprintf("/user/questions#question-%d", question.ID))
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return
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}
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if err := db.Questions.SetUnread(ctx.Request().Context(), question.ID); err != nil {
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logrus.WithContext(ctx.Request().Context()).WithError(err).Error("Failed to set question unread")
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ctx.SetInternalError()
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ctx.Success("question/item")
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return
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}
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ctx.SetSuccessFlash(i18n.T(ctx.Lang(), "question.flash.markedUnread"))
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ctx.Redirect(fmt.Sprintf("/user/questions#question-%d", question.ID))
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}
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Reference in New Issue
Block a user