// Add a new block to a structured file. The name of the block
// is in the parameter "block", the content is as before in "data"
func blockAddFunc(w http.ResponseWriter, r *http.Request, filesys *fs.RootFileSystem) {
fileNode, dirNode, err := filesys.GetFileOrDirectory(r.URL.Path, true)
if err != nil {
writeError(w, err)
} else if dirNode != nil {
writeError(w, errors.New("Cannot add to a directory"))
} else {
// We have a filenode...
filesys.SaveNewBlock(r.URL.Path, fileNode, r.Form["block"][0], []byte(r.Form["data"][0]), true)
getFunc(w, r, filesys)
}
}
func attrAddFunc(w http.ResponseWriter, r *http.Request, filesys *fs.RootFileSystem) {
fileNode, dirNode, err := filesys.GetFileOrDirectory(r.URL.Path, false)
if err != nil {
writeError(w, err)
} else if dirNode != nil {
dirNode.Attributes[r.Form["key"][0]] = r.Form["value"][0]
filesys.ChangeCache.SaveDirectoryNode(dirNode)
statFunc(w, r, filesys)
} else if fileNode != nil {
fileNode.Attributes[r.Form["key"][0]] = r.Form["value"][0]
filesys.ChangeCache.SaveFileNode(fileNode)
statFunc(w, r, filesys)
}
}
func statFunc(w http.ResponseWriter, r *http.Request, filesys *fs.RootFileSystem) {
fileNode, dirNode, err := filesys.GetFileOrDirectory(r.URL.Path, false)
if err != nil {
writeError(w, err)
} else if dirNode != nil {
var b []byte
b, err = json.MarshalIndent(dirNode, "", " ")
fmt.Fprintf(w, "%v", string(b))
} else if fileNode != nil {
var b []byte
b, err = json.MarshalIndent(fileNode, "", " ")
fmt.Fprintf(w, "%v", string(b))
}
}
// The block get Func retrieves a block given a range
// Parameters are
// start (optional) the start block (inclusive)
// end (optional) the end block (inclusive)
// tag (optional) the tag of the version to do this for
// Basically the function retrieves the route given the tag version (or default root)
// and then filters the block names given the start and end.
// The return data is a list structure containing the key (block name) and the value (the value of the block)
func blockGetFunc(w http.ResponseWriter, r *http.Request, filesys *fs.RootFileSystem) {
fileNode, dirNode, err := filesys.GetFileOrDirectory(r.URL.Path, false)
if err != nil {
writeError(w, err)
} else if dirNode != nil {
writeError(w, errors.New("Cannot do this to a directory"))
} else {
// We have a filenode...
blockStructure, err := filesys.GetBlock(fileNode, getFormValue(r, "tag", ""), getFormValue(r, "start", ""), getFormValue(r, "end", ""))
if err != nil {
writeError(w, err)
} else {
var b []byte
b, err = json.MarshalIndent(blockStructure, "", " ")
fmt.Fprintf(w, "%v", string(b))
}
}
}
func getFunc(w http.ResponseWriter, r *http.Request, filesys *fs.RootFileSystem) {
// This can be two things
// 1 get of a file, so dump the contents
// 2 get of a folder, so construct some nice json
fileNode, dirNode, err := filesys.GetFileOrDirectory(r.URL.Path, false)
if err != nil {
writeError(w, err)
} else {
w.WriteHeader(http.StatusOK)
if fileNode != nil {
var x []byte
x, err = filesys.ReadFile(r.URL.Path)
fmt.Fprintf(w, "%v", string(x))
} else {
// Need to get file directory structure as a json object
dirStructure := getDirStructure(r.URL.Path, dirNode, filesys)
var b []byte
b, err = json.MarshalIndent(dirStructure, "", " ")
fmt.Fprintf(w, "%v", string(b))
}
}
}