61 lines
1.5 KiB
C++
61 lines
1.5 KiB
C++
#include "playlist_manager.h"
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#include <SD.h>
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#include "spi_master.h"
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PlaylistManager::PlaylistManager() {
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SPIMaster::select_sd();
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File root = SD.open("/");
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File entry;
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while (entry = root.openNextFile()) {
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String foldername = entry.name();
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// Remove trailing slash
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foldername.remove(foldername.length());
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TRACE("Looking at %s...", foldername.c_str());
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if (!entry.isDirectory() || foldername.startsWith("/.")) continue;
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if (!SD.exists(foldername + "/ids.txt")) {
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TRACE("No ids.txt -> ignoring\n");
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continue;
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}
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File f = SD.open(foldername + "/ids.txt");
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String buffer = "";
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if (f.available()) {
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do {
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char c = f.read();
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if (!f.available() && c!='\n' && c!='\r') {
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buffer.concat(c);
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c='\n';
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}
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if (c=='\n' || c=='\r') {
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if (buffer.length() > 0) {
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_map[buffer] = foldername;
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TRACE(" ID %s", buffer.c_str());
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buffer="";
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}
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} else {
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buffer.concat(c);
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}
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} while(f.available());
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}
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f.close();
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entry.close();
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}
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root.close();
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SPIMaster::select_sd(false);
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}
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Playlist* PlaylistManager::get_playlist_for_id(String id) {
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if (!_map.count(id)) return NULL;
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String folder = _map[id];
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if (!_playlists.count(folder)) {
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_playlists[folder] = new Playlist(folder);
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}
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return _playlists[folder];
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}
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void PlaylistManager::dump_ids() {
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for (std::map<String, String>::iterator it = _map.begin(); it!=_map.end(); it++) {
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INFO(" %s -> %s\n", it->first.c_str(), it->second.c_str());
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}
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}
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