Reload folder mappings after modifying a mapping.
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parent
b5ec78ab41
commit
e1dd004cf5
@ -57,4 +57,5 @@ public:
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String json();
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bool process_message(String m);
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void queue_command(String cmd);
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void update_playlist_manager();
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};
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@ -9,11 +9,14 @@ private:
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std::map<String, String> _map;
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std::map<String, Playlist*> _playlists;
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std::vector<String> _unmapped_folders;
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void _check_for_special_chars(String s);
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void _save_mapping();
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public:
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PlaylistManager();
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Playlist* get_playlist_for_id(String id);
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Playlist* get_playlist_for_folder(String folder);
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void dump_ids();
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void scan_files();
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String json();
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bool add_mapping(String id, String folder);
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};
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@ -123,7 +123,8 @@ void Controller::_check_rfid() {
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}
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}
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if (pl==NULL) {
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INFO("Could not find album for id '%s'.", s_uid.c_str());
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INFO("Could not find album for id '%s'.\n", s_uid.c_str());
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send_controller_status();
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return;
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}
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int index;
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@ -412,5 +413,11 @@ void Controller::inform_new_client(AsyncWebSocketClient* client) {
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}
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void Controller::queue_command(String s) {
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DEBUG("Enqeueing command '%s'.\n", s.c_str());
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_cmd_queue = s;
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}
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void Controller::update_playlist_manager() {
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_pm->scan_files();
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send_playlist_manager_status();
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}
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@ -4,75 +4,97 @@
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#include <ArduinoJson.h>
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PlaylistManager::PlaylistManager() {
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scan_files();
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}
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void PlaylistManager::scan_files() {
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SPIMaster::select_sd();
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std::vector<String> folders;
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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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if (!entry.isDirectory() || foldername.startsWith("/.")) continue;
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// Remove trailing slash
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if (foldername.startsWith("/.")) continue;
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foldername.remove(foldername.length());
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DEBUG(" Checking %s...\n", foldername.c_str());
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bool non_ascii_chars = false;
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for(int i=0; i<foldername.length(); i++) {
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char c = foldername.charAt(i);
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if (c < 0x20 || c >= 0x7F) {
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non_ascii_chars = true;
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folders.push_back(foldername);
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_check_for_special_chars(foldername);
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entry.close();
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}
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_map.clear();
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if (!SD.exists("/_mapping.txt\n")) {
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ERROR("WARNING: File /_mapping.txt not found.\n");
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} else {
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File f = SD.open("/_mapping.txt");
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DEBUG("Reading /_mapping.txt...\n");
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while (f.available()) {
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char buffer[512];
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size_t pos = f.readBytesUntil('\n', buffer, 511);
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buffer[pos] = '\0';
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String data = buffer;
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uint8_t eq = data.indexOf('=');
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if (eq>0 && eq<data.length()-1) {
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String rfid_id = data.substring(0, eq);
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String folder = data.substring(eq + 1);
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TRACE(" Adding mapping: %s=>%s\n", rfid_id.c_str(), folder.c_str());
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_map[rfid_id] = folder;
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bool found=false;
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for (String f: folders) {
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if (f.equals(folder)) {
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found = true;
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break;
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}
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}
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if (non_ascii_chars) {
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ERROR("WARNING: Folder '%s' contains non-ascii chars!\n", foldername.c_str());
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if (!found) {
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INFO("WARNING: Found mapping for RFID id %s which maps to non-existing folder %s!\n", rfid_id.c_str(), folder.c_str());
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}
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if (!SD.exists(foldername + "/ids.txt")) {
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TRACE("No ids.txt -> checking for media files...\n");
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File file;
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bool media_files = false;
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while(file = entry.openNextFile()) {
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String filename = file.name();
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filename = filename.substring(foldername.length() + 1);
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if (!filename.startsWith(".") && filename.endsWith(".mp3")) {
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media_files = true;
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}
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file.close();
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if (media_files) break;
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}
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if (media_files) {
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_unmapped_folders.push_back(foldername);
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}
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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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_unmapped_folders.clear();
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for (String folder: folders) {
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bool found = false;
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for(std::map<String, String>::iterator it = _map.begin(); it != _map.end(); it++) {
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if (it->second.equals(folder)) {
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found = true;
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break;
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}
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}
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if (!found) {
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// Checking folder for media files
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File dir = SD.open(folder);
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while (entry = dir.openNextFile()) {
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String filename = entry.name();
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filename = filename.substring(folder.length() + 1);
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if (!filename.startsWith(".") && filename.endsWith(".mp3")) {
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found = true;
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}
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entry.close();
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if (found) break;
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}
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if (found) {
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_unmapped_folders.push_back(folder);
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}
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}
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}
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SPIMaster::select_sd(false);
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}
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void PlaylistManager::_check_for_special_chars(String s) {
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for(int i=0; i<s.length(); i++) {
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char c = s.charAt(i);
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if (c < 0x20 || c >= 0x7F) {
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ERROR("WARNING: Folder / file '%s' contains non-ascii chars!\n", s.c_str());
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return;
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}
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}
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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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@ -97,7 +119,7 @@ String PlaylistManager::json() {
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json["_type"] = "playlist_manager";
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JsonObject folders = json.createNestedObject("folders");
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for (std::map<String, String>::iterator it = _map.begin(); it!=_map.end(); it++) {
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folders[it->second] = folders[it->first];
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folders[it->second] = it->first;
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}
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JsonArray started = json.createNestedArray("started");
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for (std::map<String, Playlist*>::iterator it = _playlists.begin(); it!=_playlists.end(); it++) {
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@ -112,17 +134,26 @@ String PlaylistManager::json() {
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}
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bool PlaylistManager::add_mapping(String id, String folder) {
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DEBUG("Adding Mapping: '%s'=>'%s'\n", id.c_str(), folder.c_str());
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if (!SD.exists(folder)) return false;
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File ids = SD.open(folder + "/ids.txt", "a");
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String data = "\n";
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data += id;
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data += '\n';
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char* buffer = new char[data.length()];
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data.toCharArray(buffer, data.length());
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ids.write((uint8_t *)buffer, data.length());
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delete buffer;
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ids.close();
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DEBUG("Adding mapping: %s=>%s\n", id.c_str(), folder.c_str());
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_map[id] = folder;
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_save_mapping();
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return true;
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}
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void PlaylistManager::_save_mapping() {
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SPIMaster::select_sd();
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File f = SD.open("/_mapping.txt", "w");
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String s;
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for(std::map<String, String>::iterator it = _map.begin(); it != _map.end(); it++) {
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s += it->first;
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s += "=";
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s += it->second;
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s += '\n';
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}
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unsigned char* buf = new unsigned char[s.length()];
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s.getBytes(buf, s.length());
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f.write(buf, s.length()-1);
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f.close();
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SPIMaster::select_sd(false);
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delete buf;
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}
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