Issue due date api (#3890)

* Implemented basic api endpoint to manage deadlines

* Fixed checking for permissions

* Updating a deadline from the ui is now entirely done via the api

* cleanup

* Cosmetics

* fixed lint + fmt

* Added swagger model definition for deadline response

* Updated gitea-sdk

* Updated gitea-sdk

* More cleanup

* Generate swagger json

* Merge branch 'master' of https://github.com/go-gitea/gitea into issue-due-date-api

# Conflicts:
#	public/swagger.v1.json

* Fixed permission to update a deadline via api

* Re-added form to change a deadline

* Added client-side validation + not ignore error messages from the api

* Added locale for error message

* Merge branch 'master' of https://github.com/go-gitea/gitea

# Conflicts:
#	models/issue_comment.go

* Proper date validation

* Fixed indention

* moved css to css file

* added documentation for error codes

* after merge cleanup

* Added swagger description

* DO NOTHING BUT TRIGGER THAT F*CKIN CI SO IT PICKS UP THE LATEST COMMIT AS IT SHOULD

* DO NOTHING BUT TRIGGER THAT F*CKIN CI SO IT PICKS UP THE LATEST COMMIT AS IT SHOULD

* regenerated stylesheets

1 files changed, 70 insertions, 1 deletions

diff --git a/routers/api/v1/repo/issue.go b/routers/api/v1/repo/issue.go
index 7be39166d2..76f58b244e 100644
--- a/routers/api/v1/repo/issue.go
+++ b/routers/api/v1/repo/issue.go
@@ -278,7 +278,7 @@ func EditIssue(ctx *context.APIContext, form api.EditIssueOption) {
 
 	// Update the deadline
 	var deadlineUnix util.TimeStamp
-	if form.Deadline != nil && !form.Deadline.IsZero() {
+	if form.Deadline != nil && !form.Deadline.IsZero() && ctx.Repo.IsWriter() {
 		deadlineUnix = util.TimeStamp(form.Deadline.Unix())
 	}
 
@@ -338,3 +338,72 @@ func EditIssue(ctx *context.APIContext, form api.EditIssueOption) {
 	}
 	ctx.JSON(201, issue.APIFormat())
 }
+
+// UpdateIssueDeadline updates an issue deadline
+func UpdateIssueDeadline(ctx *context.APIContext, form api.EditDeadlineOption) {
+	// swagger:operation POST /repos/{owner}/{repo}/issues/{index}/deadline issue issueEditIssueDeadline
+	// ---
+	// summary: Set an issue deadline. If set to null, the deadline is deleted.
+	// consumes:
+	// - application/json
+	// produces:
+	// - application/json
+	// parameters:
+	// - name: owner
+	//   in: path
+	//   description: owner of the repo
+	//   type: string
+	//   required: true
+	// - name: repo
+	//   in: path
+	//   description: name of the repo
+	//   type: string
+	//   required: true
+	// - name: index
+	//   in: path
+	//   description: index of the issue to create or update a deadline on
+	//   type: integer
+	//   required: true
+	// - name: body
+	//   in: body
+	//   schema:
+	//     "$ref": "#/definitions/EditDeadlineOption"
+	// responses:
+	//   "201":
+	//     "$ref": "#/responses/IssueDeadline"
+	//   "403":
+	//     description: Not repo writer
+	//     schema:
+	//       "$ref": "#/responses/forbidden"
+	//   "404":
+	//     description: Issue not found
+	//     schema:
+	//       "$ref": "#/responses/empty"
+
+	issue, err := models.GetIssueByIndex(ctx.Repo.Repository.ID, ctx.ParamsInt64(":index"))
+	if err != nil {
+		if models.IsErrIssueNotExist(err) {
+			ctx.Status(404)
+		} else {
+			ctx.Error(500, "GetIssueByIndex", err)
+		}
+		return
+	}
+
+	if !ctx.Repo.IsWriter() {
+		ctx.Status(403)
+		return
+	}
+
+	var deadlineUnix util.TimeStamp
+	if form.Deadline != nil && !form.Deadline.IsZero() {
+		deadlineUnix = util.TimeStamp(form.Deadline.Unix())
+	}
+
+	if err := models.UpdateIssueDeadline(issue, deadlineUnix, ctx.User); err != nil {
+		ctx.Error(500, "UpdateIssueDeadline", err)
+		return
+	}
+
+	ctx.JSON(201, api.IssueDeadline{Deadline: form.Deadline})
+}