feat: scaffold codespace backend

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

internal/api/file_handler.go

@@ -0,0 +1,114 @@
+package api
+
+import (
+	"net/http"
+
+	"codespace/internal/model"
+	"codespace/internal/service"
+
+	"github.com/gin-gonic/gin"
+)
+
+type fileHandler struct {
+	svc *service.FileService
+}
+
+func (h *fileHandler) list(c *gin.Context) {
+	id := c.Param("id")
+	path := c.Query("path")
+	if path == "" {
+		path = "."
+	}
+	infos, err := h.svc.List(id, path)
+	if err != nil {
+		writeError(c, err)
+		return
+	}
+	c.JSON(http.StatusOK, infos)
+}
+
+func (h *fileHandler) read(c *gin.Context) {
+	id := c.Param("id")
+	path := c.Query("path")
+	if path == "" {
+		writeBadRequest(c, "path is required")
+		return
+	}
+	data, err := h.svc.Read(id, path)
+	if err != nil {
+		writeError(c, err)
+		return
+	}
+	c.JSON(http.StatusOK, model.ReadFileResponse{
+		Path:    path,
+		Content: string(data),
+	})
+}
+
+func (h *fileHandler) write(c *gin.Context) {
+	id := c.Param("id")
+	var req model.WriteFileRequest
+	if err := c.ShouldBindJSON(&req); err != nil {
+		writeBadRequest(c, "invalid json")
+		return
+	}
+	if req.Path == "" {
+		writeBadRequest(c, "path is required")
+		return
+	}
+	if err := h.svc.Write(id, req.Path, []byte(req.Content)); err != nil {
+		writeError(c, err)
+		return
+	}
+	c.Status(http.StatusNoContent)
+}
+
+func (h *fileHandler) mkdir(c *gin.Context) {
+	id := c.Param("id")
+	var req model.MkdirRequest
+	if err := c.ShouldBindJSON(&req); err != nil {
+		writeBadRequest(c, "invalid json")
+		return
+	}
+	if req.Path == "" {
+		writeBadRequest(c, "path is required")
+		return
+	}
+	if err := h.svc.Mkdir(id, req.Path); err != nil {
+		writeError(c, err)
+		return
+	}
+	c.Status(http.StatusNoContent)
+}
+
+func (h *fileHandler) remove(c *gin.Context) {
+	id := c.Param("id")
+	path := c.Query("path")
+	if path == "" {
+		writeBadRequest(c, "path is required")
+		return
+	}
+	if err := h.svc.Remove(id, path); err != nil {
+		writeError(c, err)
+		return
+	}
+	c.Status(http.StatusNoContent)
+}
+
+func (h *fileHandler) rename(c *gin.Context) {
+	id := c.Param("id")
+	var req model.RenameRequest
+	if err := c.ShouldBindJSON(&req); err != nil {
+		writeBadRequest(c, "invalid json")
+		return
+	}
+	if req.OldPath == "" || req.NewPath == "" {
+		writeBadRequest(c, "oldPath and newPath are required")
+		return
+	}
+	if err := h.svc.Rename(id, req.OldPath, req.NewPath); err != nil {
+		writeError(c, err)
+		return
+	}
+	c.Status(http.StatusNoContent)
+}