arnef
ba6bf2f34c
The output directory used to be fixed at ~/Music/GoDeez. config.Load now honours GODEEZ_OUTPUT_DIR when set, with a leading ~ expanded by hand since the shell only does that for unquoted arguments, not for values read out of the environment. Falls back to the previous default when unset.
72 lines
2.0 KiB
Go
72 lines
2.0 KiB
Go
// Package config resolves where godeez reads its session from and writes its
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// downloads to. There is no config file: the output directory defaults to
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// ~/Music/GoDeez but can be overridden with GODEEZ_OUTPUT_DIR, and the only
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// other setting is the DEEZER_ARL environment variable, which exists as an
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// escape hatch for users who would rather not store credentials in the system
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// keyring.
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package config
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import (
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"fmt"
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"os"
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"path/filepath"
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"strings"
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"github.com/mathismqn/godeez/internal/fsutil"
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)
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type Config struct {
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ARLCookie string
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OutputDir string
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}
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// Load resolves the configuration and creates the output directory.
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//
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// An empty ARLCookie is normal and not an error: it means fall back to the
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// stored credentials, which is the usual path. Creating the directory here
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// rather than at first write means a bad path fails immediately instead of
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// after the first track has been fetched.
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func Load() (*Config, error) {
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arl := os.Getenv("DEEZER_ARL")
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outputDir, err := resolveOutputDir()
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if err != nil {
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return nil, err
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}
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if err := fsutil.EnsureDir(outputDir); err != nil {
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return nil, fmt.Errorf("failed to create output directory: %w", err)
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}
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return &Config{
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ARLCookie: arl,
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OutputDir: outputDir,
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}, nil
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}
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// resolveOutputDir honours GODEEZ_OUTPUT_DIR when set, falling back to
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// ~/Music/GoDeez otherwise.
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//
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// A leading "~" is expanded by hand because the shell only does that for
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// unquoted arguments, not for values read out of the environment, so users
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// setting this in a profile file would otherwise end up with a literal "~"
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// directory.
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func resolveOutputDir() (string, error) {
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homeDir, err := os.UserHomeDir()
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if err != nil {
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return "", fmt.Errorf("failed to get home directory: %w", err)
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}
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if dir := strings.TrimSpace(os.Getenv("GODEEZ_OUTPUT_DIR")); dir != "" {
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if dir == "~" {
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return homeDir, nil
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}
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if rest, ok := strings.CutPrefix(dir, "~/"); ok {
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return filepath.Join(homeDir, rest), nil
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}
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return dir, nil
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}
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return filepath.Join(homeDir, "Music", "GoDeez"), nil
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}
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