Save and view issue/comment content history (#16909)
* issue content history * Use timeutil.TimeStampNow() for content history time instead of issue/comment.UpdatedUnix (which are not updated in time) * i18n for frontend * refactor * clean up * fix refactor * re-format * temp refactor * follow db refactor * rename IssueContentHistory to ContentHistory, remove empty model tags * fix html * use avatar refactor to generate avatar url * add unit test, keep at most 20 history revisions. * re-format * syntax nit * Add issue content history table * Update models/migrations/v197.go Co-authored-by: 6543 <6543@obermui.de> * fix merge Co-authored-by: zeripath <art27@cantab.net> Co-authored-by: 6543 <6543@obermui.de> Co-authored-by: Lauris BH <lauris@nix.lv>
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wxiaoguang
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17 changed files with 766 additions and 8 deletions
206
routers/web/repo/issue_content_history.go
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206
routers/web/repo/issue_content_history.go
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@ -0,0 +1,206 @@
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// Copyright 2021 The Gitea Authors. 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 repo
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import (
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"bytes"
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"fmt"
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"html"
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"net/http"
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"code.gitea.io/gitea/models"
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"code.gitea.io/gitea/models/db"
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issuesModel "code.gitea.io/gitea/models/issues"
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"code.gitea.io/gitea/modules/context"
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"code.gitea.io/gitea/modules/log"
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"code.gitea.io/gitea/modules/timeutil"
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"github.com/sergi/go-diff/diffmatchpatch"
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"github.com/unknwon/i18n"
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)
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// GetContentHistoryOverview get overview
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func GetContentHistoryOverview(ctx *context.Context) {
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issue := GetActionIssue(ctx)
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if issue == nil {
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return
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}
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lang := ctx.Data["Lang"].(string)
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editedHistoryCountMap, _ := issuesModel.QueryIssueContentHistoryEditedCountMap(db.DefaultContext, issue.ID)
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ctx.JSON(http.StatusOK, map[string]interface{}{
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"i18n": map[string]interface{}{
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"textEdited": i18n.Tr(lang, "repo.issues.content_history.edited"),
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"textDeleteFromHistory": i18n.Tr(lang, "repo.issues.content_history.delete_from_history"),
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"textDeleteFromHistoryConfirm": i18n.Tr(lang, "repo.issues.content_history.delete_from_history_confirm"),
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"textOptions": i18n.Tr(lang, "repo.issues.content_history.options"),
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},
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"editedHistoryCountMap": editedHistoryCountMap,
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})
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}
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// GetContentHistoryList get list
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func GetContentHistoryList(ctx *context.Context) {
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issue := GetActionIssue(ctx)
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commentID := ctx.FormInt64("comment_id")
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if issue == nil {
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return
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}
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items, _ := issuesModel.FetchIssueContentHistoryList(db.DefaultContext, issue.ID, commentID)
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// render history list to HTML for frontend dropdown items: (name, value)
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// name is HTML of "avatar + userName + userAction + timeSince"
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// value is historyId
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lang := ctx.Data["Lang"].(string)
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var results []map[string]interface{}
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for _, item := range items {
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var actionText string
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if item.IsDeleted {
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actionTextDeleted := i18n.Tr(lang, "repo.issues.content_history.deleted")
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actionText = "<i data-history-is-deleted='1'>" + actionTextDeleted + "</i>"
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} else if item.IsFirstCreated {
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actionText = i18n.Tr(lang, "repo.issues.content_history.created")
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} else {
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actionText = i18n.Tr(lang, "repo.issues.content_history.edited")
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}
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timeSinceText := timeutil.TimeSinceUnix(item.EditedUnix, lang)
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results = append(results, map[string]interface{}{
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"name": fmt.Sprintf("<img class='ui avatar image' src='%s'><strong>%s</strong> %s %s",
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html.EscapeString(item.UserAvatarLink), html.EscapeString(item.UserName), actionText, timeSinceText),
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"value": item.HistoryID,
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})
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}
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ctx.JSON(http.StatusOK, map[string]interface{}{
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"results": results,
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})
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}
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// canSoftDeleteContentHistory checks whether current user can soft-delete a history revision
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// Admins or owners can always delete history revisions. Normal users can only delete own history revisions.
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func canSoftDeleteContentHistory(ctx *context.Context, issue *models.Issue, comment *models.Comment,
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history *issuesModel.ContentHistory) bool {
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canSoftDelete := false
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if ctx.Repo.IsOwner() {
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canSoftDelete = true
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} else if ctx.Repo.CanWrite(models.UnitTypeIssues) {
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canSoftDelete = ctx.User.ID == history.PosterID
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if comment == nil {
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canSoftDelete = canSoftDelete && (ctx.User.ID == issue.PosterID)
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canSoftDelete = canSoftDelete && (history.IssueID == issue.ID)
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} else {
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canSoftDelete = canSoftDelete && (ctx.User.ID == comment.PosterID)
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canSoftDelete = canSoftDelete && (history.IssueID == issue.ID)
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canSoftDelete = canSoftDelete && (history.CommentID == comment.ID)
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}
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}
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return canSoftDelete
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}
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//GetContentHistoryDetail get detail
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func GetContentHistoryDetail(ctx *context.Context) {
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issue := GetActionIssue(ctx)
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if issue == nil {
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return
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}
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historyID := ctx.FormInt64("history_id")
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history, prevHistory, err := issuesModel.GetIssueContentHistoryAndPrev(db.DefaultContext, historyID)
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if err != nil {
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ctx.JSON(http.StatusNotFound, map[string]interface{}{
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"message": "Can not find the content history",
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})
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return
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}
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// get the related comment if this history revision is for a comment, otherwise the history revision is for an issue.
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var comment *models.Comment
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if history.CommentID != 0 {
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var err error
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if comment, err = models.GetCommentByID(history.CommentID); err != nil {
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log.Error("can not get comment for issue content history %v. err=%v", historyID, err)
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return
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}
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}
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// get the previous history revision (if exists)
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var prevHistoryID int64
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var prevHistoryContentText string
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if prevHistory != nil {
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prevHistoryID = prevHistory.ID
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prevHistoryContentText = prevHistory.ContentText
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}
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// compare the current history revision with the previous one
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dmp := diffmatchpatch.New()
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diff := dmp.DiffMain(prevHistoryContentText, history.ContentText, true)
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diff = dmp.DiffCleanupEfficiency(diff)
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// use chroma to render the diff html
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diffHTMLBuf := bytes.Buffer{}
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diffHTMLBuf.WriteString("<pre class='chroma' style='tab-size: 4'>")
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for _, it := range diff {
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if it.Type == diffmatchpatch.DiffInsert {
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diffHTMLBuf.WriteString("<span class='gi'>")
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diffHTMLBuf.WriteString(html.EscapeString(it.Text))
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diffHTMLBuf.WriteString("</span>")
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} else if it.Type == diffmatchpatch.DiffDelete {
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diffHTMLBuf.WriteString("<span class='gd'>")
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diffHTMLBuf.WriteString(html.EscapeString(it.Text))
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diffHTMLBuf.WriteString("</span>")
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} else {
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diffHTMLBuf.WriteString(html.EscapeString(it.Text))
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}
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}
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diffHTMLBuf.WriteString("</pre>")
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ctx.JSON(http.StatusOK, map[string]interface{}{
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"canSoftDelete": canSoftDeleteContentHistory(ctx, issue, comment, history),
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"historyId": historyID,
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"prevHistoryId": prevHistoryID,
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"diffHtml": diffHTMLBuf.String(),
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})
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}
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//SoftDeleteContentHistory soft delete
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func SoftDeleteContentHistory(ctx *context.Context) {
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issue := GetActionIssue(ctx)
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if issue == nil {
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return
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}
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commentID := ctx.FormInt64("comment_id")
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historyID := ctx.FormInt64("history_id")
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var comment *models.Comment
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var history *issuesModel.ContentHistory
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var err error
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if commentID != 0 {
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if comment, err = models.GetCommentByID(commentID); err != nil {
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log.Error("can not get comment for issue content history %v. err=%v", historyID, err)
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return
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}
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}
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if history, err = issuesModel.GetIssueContentHistoryByID(db.DefaultContext, historyID); err != nil {
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log.Error("can not get issue content history %v. err=%v", historyID, err)
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return
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}
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canSoftDelete := canSoftDeleteContentHistory(ctx, issue, comment, history)
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if !canSoftDelete {
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ctx.JSON(http.StatusForbidden, map[string]interface{}{
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"message": "Can not delete the content history",
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})
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return
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}
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err = issuesModel.SoftDeleteIssueContentHistory(db.DefaultContext, historyID)
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log.Debug("soft delete issue content history. issue=%d, comment=%d, history=%d", issue.ID, commentID, historyID)
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ctx.JSON(http.StatusOK, map[string]interface{}{
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"ok": err == nil,
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})
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}
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@ -732,6 +732,9 @@ func RegisterRoutes(m *web.Route) {
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m.Get("/attachments", repo.GetIssueAttachments)
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m.Get("/attachments/{uuid}", repo.GetAttachment)
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})
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m.Group("/{index}", func() {
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m.Post("/content-history/soft-delete", repo.SoftDeleteContentHistory)
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})
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m.Post("/labels", reqRepoIssuesOrPullsWriter, repo.UpdateIssueLabel)
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m.Post("/milestone", reqRepoIssuesOrPullsWriter, repo.UpdateIssueMilestone)
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@ -853,6 +856,11 @@ func RegisterRoutes(m *web.Route) {
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m.Group("", func() {
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m.Get("/{type:issues|pulls}", repo.Issues)
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m.Get("/{type:issues|pulls}/{index}", repo.ViewIssue)
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m.Group("/{type:issues|pulls}/{index}/content-history", func() {
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m.Get("/overview", repo.GetContentHistoryOverview)
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m.Get("/list", repo.GetContentHistoryList)
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m.Get("/detail", repo.GetContentHistoryDetail)
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})
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m.Get("/labels", reqRepoIssuesOrPullsReader, repo.RetrieveLabels, repo.Labels)
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m.Get("/milestones", reqRepoIssuesOrPullsReader, repo.Milestones)
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}, context.RepoRef())
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