go - How to return a directory structure as a complete tree?

Question

I have a directory structure like this:

reports
├── bar
│?? └── 2021-01-25
└── foo
    └── 2021-01-25

I am new to go and try to use the Walk function,

Now I have this code

func FilePathWalkDir(root string) ([]string, error) {
    var files []string
    err := filepath.Walk(root, func(path string, info os.FileInfo, err error) error {
        if info.IsDir() {
            if info.IsDir() && info.Name() == "pages" || info.Name() == "data" || info.Name() == "logs" {
                return filepath.SkipDir
            }
            files = append(files, path)
        }
        return nil
    })
    return files, err
}

And using this like:

func serve(w http.ResponseWriter, r *http.Request) {

    lines := []string{}
    files, err := FilePathWalkDir("reports/")

    if err != nil {
        panic(err)
    }
    for _, file := range files {
        lines = append(lines, file)
    }

    output, err := json.Marshal(lines)
    if err != nil {
        log.Fatal(err)
    }
    w.Header().Set("Content-Type", "application/json")
    //fmt.Println(string(jsonData))
    fmt.Fprintf(w, string(output))
}

And I get this

"reports/"
"reports/bar"
"reports/bar/2021-01-25"
"reports/foo"
"reports/foo/2021-01-25"

But want this:

"reports/bar/2021-01-25"
"reports/foo/2021-01-25"

But I only want to return the last bit (reports/foo/2021-01-27) for each directory - with the dates, and it could be many different dates, like it could be many different project names (foo, bar, barfoo, foobar etc).

Could anyone point me in the right direction?

question from:https://stackoverflow.com/questions/65946292/how-to-return-a-directory-structure-as-a-complete-tree

Answer 1

If you only want paths with dates, why not check to see if the suffix matches that pattern using Regex before appending?