add dir view to codeview

")
=> %s here

", httpURL))
", url, file.Path))
", url, file.Path))

-----------------------------

=> / Back to home
")

internal/codeview/codeview.go

@@ -1,10 +1,12 @@
 package codeview
 
 import (
+	"encoding/json"
 	"fmt"
 	"io"
 	"log/slog"
 	"net/http"
+	"net/url"
 	"strings"
 
 	"github.com/kulak/gemini"
@@ -16,18 +18,16 @@ import (
  *
  * Features:
  * - [x] Individual file view with line numbers?
- * - [ ] Dir view with links to files
+ * - [x] Dir view with links to files
  * - [ ] Project root view with markdown to gemtxt conversion and file tree
  */
 
-// https://git.travisshears.com/travisshears/personal-gemini-capsule/raw/branch/main/internal/guestbook/guestbook.go
-// /codeview/raw/personal-gemini-capsule/src/branch/main/internal/guestbook/guestbook.go
 func HandleRequest(w gemini.ResponseWriter, req *gemini.Request) {
 	path := req.URL.Path
 
 	switch {
-	// case path == "/gemlog" || path == "/gemlog/":
-	// g.serveIndex(w, req)
+	case strings.HasPrefix(path, "/codeview/dir"):
+		serveDir(w, req, path)
 	case strings.HasPrefix(path, "/codeview/raw/"):
 		serveFile(w, req, path)
 	default:
@@ -35,6 +35,94 @@ func HandleRequest(w gemini.ResponseWriter, req *gemini.Request) {
 	}
 }
 
+func serveDir(w gemini.ResponseWriter, req *gemini.Request, path string) {
+	repo := req.URL.Query().Get("repo")
+	filepath := url.QueryEscape(req.URL.Query().Get("filepath"))
+	branch := req.URL.Query().Get("branch")
+	commit := req.URL.Query().Get("commit")
+	slog.Info("Serving directory", "repo", repo, "filepath", filepath, "branch", branch, "commit", commit)
+	var gitURL string
+	ref := ""
+	if branch != "" {
+		ref = branch
+	} else if commit != "" {
+		ref = commit
+	}
+
+	if filepath == "." {
+		gitURL = "https://git.travisshears.com/api/v1/repos/travisshears/" + repo + "/contents?ref=" + ref
+	} else {
+		gitURL = "https://git.travisshears.com/api/v1/repos/travisshears/" + repo + "/contents/" + filepath + "?ref=" + ref
+	}
+
+	slog.Info("Fetching directory contents", "url", gitURL)
+	httpReq, err := http.NewRequest("GET", gitURL, nil)
+	if err != nil {
+		slog.Error("Failed to create request to git server", "error", err)
+		w.WriteStatusMsg(gemini.StatusGeneralPermFail, "Problem connecting to git server")
+		return
+	}
+	res, err := http.DefaultClient.Do(httpReq)
+	if err != nil {
+		slog.Error("Failed to send request to git server", "error", err)
+		w.WriteStatusMsg(gemini.StatusGeneralPermFail, "Problem connecting to git server")
+		return
+	}
+	defer res.Body.Close()
+
+	body, err := io.ReadAll(res.Body)
+	if err != nil {
+		slog.Error("Failed to read res body", "error", err)
+		w.WriteStatusMsg(gemini.StatusGeneralPermFail, "Problem connecting to git server")
+		return
+	}
+
+	if res.StatusCode < 200 || res.StatusCode >= 300 {
+		slog.Error("unexpected status code", "statusCode", res.StatusCode, "body", string(body))
+		w.WriteStatusMsg(gemini.StatusGeneralPermFail, "Problem connecting to git server")
+		return
+	}
+
+	var dirRes []struct {
+		Name string `json:"name"`
+		Path string `json:"path"`
+		URL  string `json:"html_url"`
+		Type string `json:"type"`
+	}
+
+	if err := json.Unmarshal(body, &dirRes); err != nil {
+		slog.Error("failed to parse response", "error", err)
+		w.WriteStatusMsg(gemini.StatusGeneralPermFail, "Problem parsing response from git server")
+		return
+	}
+	slog.Info("Successfully parsed response from git server", "res", dirRes)
+
+	var content strings.Builder
+	w.WriteStatusMsg(gemini.StatusSuccess, "text/gemini")
+	content.WriteString("# Dir CodeView\n")
+	httpURL := fmt.Sprintf("https://git.travisshears.com/travisshears/personal-gemini-capsule/src/branch/main/%s", filepath)
+	if branch != "" {
+		httpURL = fmt.Sprintf("https://git.travisshears.com/travisshears/personal-gemini-capsule/src/branch/%s/%s", branch, filepath)
+	} else if commit != "" {
+		httpURL = fmt.Sprintf("https://git.travisshears.com/travisshears/personal-gemini-capsule/src/commit/%s/%s", commit, filepath)
+	}
+	content.WriteString(fmt.Sprintf("This is a code view which proxies my personal git server. On the clearnet the following dir is available:\n=> %s here\n\n", httpURL))
+
+	for _, file := range dirRes {
+		switch file.Type {
+		case "dir":
+			url := fmt.Sprintf("/codeview/dir?repo=%s&filepath=%s&commit=%s&branch=%s", repo, file.Path, commit, branch)
+			content.WriteString(fmt.Sprintf("=> %s %s/\n", url, file.Path))
+		case "file":
+			p := strings.TrimPrefix(file.URL, "https://git.travisshears.com/travisshears/")
+			url := fmt.Sprintf("/codeview/raw/%s", p)
+			content.WriteString(fmt.Sprintf("=> %s %s\n", url, file.Path))
+		}
+	}
+	content.WriteString("\n\n-----------------------------\n\n=> / Back to home\n")
+	w.WriteBody([]byte(content.String()))
+}
+
 func serveFile(w gemini.ResponseWriter, req *gemini.Request, path string) {
 	path = strings.TrimPrefix(path, "/codeview/raw/")
 	rawURL := strings.Replace(path, "src", "raw", 1)