readme file is now rendering in repo. can now view files and edit them. can switch between branches with dropdown menu

internal/api/handlers/repos.go

@@ -160,6 +160,54 @@ func (h *RepoHandler) Blob(w http.ResponseWriter, r *http.Request) {
 	jsonOK(w, map[string]string{"content": string(content), "path": path, "ref": ref})
 }
 
+func (h *RepoHandler) UpdateBlob(w http.ResponseWriter, r *http.Request) {
+	repo, ok := h.lookupRepo(w, r)
+	if !ok {
+		return
+	}
+
+	userID, ok := middleware.UserIDFromContext(r.Context())
+	if !ok {
+		jsonError(w, "unauthorized", http.StatusUnauthorized)
+		return
+	}
+	var u models.User
+	if has, _ := h.db.ID(userID).Get(&u); !has {
+		jsonError(w, "user not found", http.StatusUnauthorized)
+		return
+	}
+
+	var req struct {
+		Path    string `json:"path"`
+		Content string `json:"content"`
+		Message string `json:"message"`
+		Branch  string `json:"branch"`
+	}
+	if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
+		jsonError(w, "invalid body", http.StatusBadRequest)
+		return
+	}
+	if req.Path == "" || req.Message == "" {
+		jsonError(w, "path and message are required", http.StatusBadRequest)
+		return
+	}
+	if req.Branch == "" {
+		req.Branch = repo.DefaultBranch
+	}
+
+	authorEmail := u.Email
+	if authorEmail == "" {
+		authorEmail = u.Username + "@forgebucket.local"
+	}
+
+	gitdomain.SetRepoRoot(h.cfg.RepoRoot)
+	if err := gitdomain.WriteFile(repo.DiskPath, req.Branch, req.Path, req.Content, u.Username, authorEmail, req.Message); err != nil {
+		jsonError(w, "could not save file: "+err.Error(), http.StatusInternalServerError)
+		return
+	}
+	jsonOK(w, map[string]string{"status": "ok"})
+}
+
 func (h *RepoHandler) Branches(w http.ResponseWriter, r *http.Request) {
 	repo, ok := h.lookupRepo(w, r)
 	if !ok {