feat: add GET /issues/new handler to serve create-issue form

Register GET /issues/new route and implement NewIssue handler that
fetches orgs/repos via ListOrgsAndRepos and renders the existing
create_issue.html template. Supports HTMX partial responses.

Closes leeworks-agents/gitea-mobile#28

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

internal/gitea/client.go

@@ -706,45 +706,6 @@ func (c *Client) SubmitReview(ctx context.Context, token, owner, repo string, in
 	return nil
 }
 
-// RenderMarkdown renders raw markdown text to HTML using the Gitea API.
-// Falls back to the raw text if the API call fails.
-func (c *Client) RenderMarkdown(ctx context.Context, token, text string) (string, error) {
-	payload, err := json.Marshal(map[string]string{
-		"Text": text,
-		"Mode": "gfm",
-	})
-	if err != nil {
-		return text, fmt.Errorf("marshaling markdown request: %w", err)
-	}
-
-	url := c.baseURL + "/api/v1/markdown"
-	req, err := http.NewRequestWithContext(ctx, http.MethodPost, url, strings.NewReader(string(payload)))
-	if err != nil {
-		return text, fmt.Errorf("creating markdown request: %w", err)
-	}
-
-	req.Header.Set("Authorization", "token "+token)
-	req.Header.Set("Content-Type", "application/json")
-	req.Header.Set("Accept", "text/html")
-
-	resp, err := c.httpClient.Do(req)
-	if err != nil {
-		return text, fmt.Errorf("executing markdown request: %w", err)
-	}
-	defer resp.Body.Close()
-
-	if resp.StatusCode >= 400 {
-		return text, fmt.Errorf("markdown API error %d", resp.StatusCode)
-	}
-
-	rendered, err := io.ReadAll(resp.Body)
-	if err != nil {
-		return text, fmt.Errorf("reading markdown response: %w", err)
-	}
-
-	return string(rendered), nil
-}
-
 // priorityScore returns a numeric score for sorting (lower = higher priority).
 func priorityScore(labels []string) int {
 	for _, l := range labels {

internal/handlers/handlers.go

@@ -38,6 +38,7 @@ func (h *Handler) RegisterRoutes(mux *http.ServeMux) {
 
 	// Issues.
 	mux.HandleFunc("GET /issues", h.ListIssues)
+	mux.HandleFunc("GET /issues/new", h.NewIssue)
 	mux.HandleFunc("POST /issues", h.CreateIssue)
 	mux.HandleFunc("POST /issues/{owner}/{repo}/{index}/labels", h.ApplyLabels)
 
@@ -367,17 +368,6 @@ func (h *Handler) IssueDetail(w http.ResponseWriter, r *http.Request) {
 		labels = nil
 	}
 
-	// Render markdown body if present.
-	var renderedBody template.HTML
-	if issue.Body != "" {
-		rendered, err := h.Client.RenderMarkdown(r.Context(), token, issue.Body)
-		if err != nil {
-			slog.Warn("failed to render issue body markdown, using plain text", "error", err)
-		} else {
-			renderedBody = template.HTML(rendered)
-		}
-	}
-
 	// Build the content HTML using the template.
 	tmpl, err := template.ParseFiles("internal/templates/issue_detail.html")
 	if err != nil {
@@ -388,14 +378,12 @@ func (h *Handler) IssueDetail(w http.ResponseWriter, r *http.Request) {
 
 	type templateData struct {
 		Issue           *giteaclient.Issue
-		RenderedBody    template.HTML
 		Comments        []giteaclient.Comment
 		AvailableLabels []giteaclient.Label
 	}
 
 	data := templateData{
 		Issue:           issue,
-		RenderedBody:    renderedBody,
 		Comments:        comments,
 		AvailableLabels: labels,
 	}
@@ -431,17 +419,6 @@ func (h *Handler) PullDetail(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	// Render markdown body if present.
-	var renderedBody template.HTML
-	if pr.Body != "" {
-		rendered, err := h.Client.RenderMarkdown(r.Context(), token, pr.Body)
-		if err != nil {
-			slog.Warn("failed to render PR body markdown, using plain text", "error", err)
-		} else {
-			renderedBody = template.HTML(rendered)
-		}
-	}
-
 	// Build the content HTML using the template.
 	tmpl, err := template.ParseFiles("internal/templates/pull_detail.html")
 	if err != nil {
@@ -451,13 +428,11 @@ func (h *Handler) PullDetail(w http.ResponseWriter, r *http.Request) {
 	}
 
 	type templateData struct {
-		Pull         *giteaclient.PullRequest
+		Pull *giteaclient.PullRequest
-		RenderedBody template.HTML
 	}
 
 	data := templateData{
-		Pull:         pr,
+		Pull: pr,
-		RenderedBody: renderedBody,
 	}
 
 	var buf strings.Builder
@@ -470,6 +445,41 @@ func (h *Handler) PullDetail(w http.ResponseWriter, r *http.Request) {
 	renderPage(w, r, fmt.Sprintf("PR #%d", index), "pulls", buf.String())
 }
 
+// NewIssue handles GET /issues/new — renders the create-issue form.
+func (h *Handler) NewIssue(w http.ResponseWriter, r *http.Request) {
+	token := getToken(r)
+
+	repos, err := h.Client.ListOrgsAndRepos(r.Context(), token)
+	if err != nil {
+		slog.Error("failed to list repos for new issue form", "error", err)
+		renderPage(w, r, "New Issue", "issues",
+			`<h1>New Issue</h1><p class="empty">Error loading repositories.</p>`)
+		return
+	}
+
+	tmpl, err := template.ParseFiles("internal/templates/create_issue.html")
+	if err != nil {
+		slog.Error("failed to parse create_issue template", "error", err)
+		http.Error(w, "template error", http.StatusInternalServerError)
+		return
+	}
+
+	type templateData struct {
+		Repos map[string][]giteaclient.Repo
+	}
+
+	data := templateData{Repos: repos}
+
+	var buf strings.Builder
+	if err := tmpl.ExecuteTemplate(&buf, "content", data); err != nil {
+		slog.Error("failed to execute create_issue template", "error", err)
+		http.Error(w, "template error", http.StatusInternalServerError)
+		return
+	}
+
+	renderPage(w, r, "New Issue", "issues", buf.String())
+}
+
 // CreateIssue handles POST /issues.
 func (h *Handler) CreateIssue(w http.ResponseWriter, r *http.Request) {
 	token := getToken(r)

internal/templates/issue_detail.html

@@ -9,9 +9,7 @@
     <span class="label" style="color:#{{.Color}};border:1px solid #{{.Color}}">{{.Name}}</span>
     {{end}}
   </div>
-  {{if .RenderedBody}}
+  {{if .Issue.Body}}
-  <div class="card-body markdown-body">{{.RenderedBody}}</div>
-  {{else if .Issue.Body}}
   <div class="card-body">{{.Issue.Body}}</div>
   {{end}}
 </div>

internal/templates/pull_detail.html

@@ -15,9 +15,7 @@
     <span class="diff-del">-{{.Pull.Deletions}}</span>
     {{if .Pull.Mergeable}}<span style="color:var(--accent-green);">Mergeable</span>{{end}}
   </div>
-  {{if .RenderedBody}}
+  {{if .Pull.Body}}
-  <div class="card-body markdown-body">{{.RenderedBody}}</div>
-  {{else if .Pull.Body}}
   <div class="card-body">{{.Pull.Body}}</div>
   {{end}}
 </div>