1 files changed, 63 insertions, 0 deletions
diff --git a/routers/web/repo/issue_watch.go b/routers/web/repo/issue_watch.go
new file mode 100644
index 0000000..5cff9f4
--- /dev/null
+++ b/routers/web/repo/issue_watch.go
@@ -0,0 +1,63 @@
+// Copyright 2017 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package repo
+
+import (
+	"net/http"
+	"strconv"
+
+	issues_model "code.gitea.io/gitea/models/issues"
+	"code.gitea.io/gitea/modules/base"
+	"code.gitea.io/gitea/modules/log"
+	"code.gitea.io/gitea/services/context"
+)
+
+const (
+	tplWatching base.TplName = "repo/issue/view_content/sidebar/watching"
+)
+
+// IssueWatch sets issue watching
+func IssueWatch(ctx *context.Context) {
+	issue := GetActionIssue(ctx)
+	if ctx.Written() {
+		return
+	}
+
+	if !ctx.IsSigned || (ctx.Doer.ID != issue.PosterID && !ctx.Repo.CanReadIssuesOrPulls(issue.IsPull)) {
+		if log.IsTrace() {
+			if ctx.IsSigned {
+				issueType := "issues"
+				if issue.IsPull {
+					issueType = "pulls"
+				}
+				log.Trace("Permission Denied: User %-v not the Poster (ID: %d) and cannot read %s in Repo %-v.\n"+
+					"User in Repo has Permissions: %-+v",
+					ctx.Doer,
+					issue.PosterID,
+					issueType,
+					ctx.Repo.Repository,
+					ctx.Repo.Permission)
+			} else {
+				log.Trace("Permission Denied: Not logged in")
+			}
+		}
+		ctx.Error(http.StatusForbidden)
+		return
+	}
+
+	watch, err := strconv.ParseBool(ctx.Req.PostFormValue("watch"))
+	if err != nil {
+		ctx.ServerError("watch is not bool", err)
+		return
+	}
+
+	if err := issues_model.CreateOrUpdateIssueWatch(ctx, ctx.Doer.ID, issue.ID, watch); err != nil {
+		ctx.ServerError("CreateOrUpdateIssueWatch", err)
+		return
+	}
+
+	ctx.Data["Issue"] = issue
+	ctx.Data["IssueWatch"] = &issues_model.IssueWatch{IsWatching: watch}
+	ctx.HTML(http.StatusOK, tplWatching)
+}