Support Issue forms and PR forms (#20987)

* feat: extend issue template for yaml

* feat: support yaml template

* feat: render form to markdown

* feat: support yaml template for pr

* chore: rename to Fields

* feat: template unmarshal

* feat: split template

* feat: render to markdown

* feat: use full name as template file name

* chore: remove useless file

* feat: use dropdown of fomantic ui

* feat: update input style

* docs: more comments

* fix: render text without render

* chore: fix lint error

* fix: support use description as about in markdown

* fix: add field class in form

* chore: generate swagger

* feat: validate template

* feat: support is_nummber and regex

* test: fix broken unit tests

* fix: ignore empty body of md template

* fix: make multiple easymde editors work in one page

* feat: better UI

* fix: js error in pr form

* chore: generate swagger

* feat: support regex validation

* chore: generate swagger

* fix: refresh each markdown editor

* chore: give up required validation

* fix: correct issue template candidates

* fix: correct checkboxes style

* chore: ignore .hugo_build.lock in docs

* docs: separate out a new doc for merge templates

* docs: introduce syntax of yaml template

* feat: show a alert for invalid templates

* test: add case for a valid template

* fix: correct attributes of required checkbox

* fix: add class not-under-easymde for dropzone

* fix: use more back-quotes

* chore: remove translation in zh-CN

* fix EasyMDE statusbar margin

* fix: remove repeated blocks

* fix: reuse regex for quotes

Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>

1 files changed, 21 insertions, 1 deletions

diff --git a/routers/web/repo/pull.go b/routers/web/repo/pull.go
index 9b2c7c02cb..aa2c4cdb53 100644
--- a/routers/web/repo/pull.go
+++ b/routers/web/repo/pull.go
@@ -30,6 +30,7 @@ import (
 	"code.gitea.io/gitea/modules/base"
 	"code.gitea.io/gitea/modules/context"
 	"code.gitea.io/gitea/modules/git"
+	issue_template "code.gitea.io/gitea/modules/issue/template"
 	"code.gitea.io/gitea/modules/log"
 	"code.gitea.io/gitea/modules/notification"
 	"code.gitea.io/gitea/modules/setting"
@@ -58,11 +59,23 @@ const (
 
 var pullRequestTemplateCandidates = []string{
 	"PULL_REQUEST_TEMPLATE.md",
+	"PULL_REQUEST_TEMPLATE.yaml",
+	"PULL_REQUEST_TEMPLATE.yml",
 	"pull_request_template.md",
+	"pull_request_template.yaml",
+	"pull_request_template.yml",
 	".gitea/PULL_REQUEST_TEMPLATE.md",
+	".gitea/PULL_REQUEST_TEMPLATE.yaml",
+	".gitea/PULL_REQUEST_TEMPLATE.yml",
 	".gitea/pull_request_template.md",
+	".gitea/pull_request_template.yaml",
+	".gitea/pull_request_template.yml",
 	".github/PULL_REQUEST_TEMPLATE.md",
+	".github/PULL_REQUEST_TEMPLATE.yaml",
+	".github/PULL_REQUEST_TEMPLATE.yml",
 	".github/pull_request_template.md",
+	".github/pull_request_template.yaml",
+	".github/pull_request_template.yml",
 }
 
 func getRepository(ctx *context.Context, repoID int64) *repo_model.Repository {
@@ -1194,6 +1207,13 @@ func CompareAndPullRequestPost(ctx *context.Context) {
 		return
 	}
 
+	content := form.Content
+	if filename := ctx.Req.Form.Get("template-file"); filename != "" {
+		if template, err := issue_template.UnmarshalFromRepo(ctx.Repo.GitRepo, ctx.Repo.Repository.DefaultBranch, filename); err == nil {
+			content = issue_template.RenderToMarkdown(template, ctx.Req.Form)
+		}
+	}
+
 	pullIssue := &issues_model.Issue{
 		RepoID:      repo.ID,
 		Repo:        repo,
@@ -1202,7 +1222,7 @@ func CompareAndPullRequestPost(ctx *context.Context) {
 		Poster:      ctx.Doer,
 		MilestoneID: milestoneID,
 		IsPull:      true,
-		Content:     form.Content,
+		Content:     content,
 	}
 	pullRequest := &issues_model.PullRequest{
 		HeadRepoID:          ci.HeadRepo.ID,