mirror of https://github.com/aldy505/cheapcash.git
74 lines
1.4 KiB
Go
74 lines
1.4 KiB
Go
package cheapcash
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import (
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"errors"
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"io/fs"
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"os"
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"strings"
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)
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// Check whether or not a key exists.
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// Returns true if the key exists, false otherwise.
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//
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// WARNING: You should provide your c.Path value yourself.
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//
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// check, err := cache.Exists("something.txt")
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// // will search in ./something.txt
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//
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// check, err = cache.Exists(c.Path + "something.txt")
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// // will search relative to c.Path value
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func (c *Cache) Exists(key string) (bool, error) {
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file, err := os.Open(sanitizePath(key))
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if err != nil {
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if errors.Is(err, os.ErrNotExist) {
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return false, nil
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}
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return false, err
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}
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defer file.Close()
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return true, nil
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}
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// Will validate the existance of a directory.
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// If the directory (including its' children) doesn't
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// exists, it will create the corresponding directory
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// tree from the given directory path.
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//
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// If the directory already exists, it will return
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// a nil value.
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func checkDir(path string) error {
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// Remove / from path
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path = strings.TrimSuffix(path, "/")
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dir, err := os.Stat(path)
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if err == nil {
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if dir.IsDir() {
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return nil
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}
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}
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// Create directory with a loop
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separated := strings.Split(path, "/")
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for i := 0; i < len(separated); i++ {
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if separated[i] == "" {
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os.Chdir("/")
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continue
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} else {
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os.Chdir(separated[i-1])
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}
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err = os.Mkdir(separated[i], fs.ModePerm)
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if err != nil {
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if errors.Is(err, os.ErrExist) {
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continue
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}
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return err
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}
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}
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return nil
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}
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