wip

mauplay/db.c

@@ -0,0 +1,127 @@
+#include "mauplay.h"
+
+#include <sqlite3.h>
+#include <sndfile.h>
+#include <stb_ds.h>
+
+static sqlite3* db;
+
+int db_exec(const char* s) {
+	sqlite3_stmt* stmt;
+	int	      st = 0;
+
+	if(sqlite3_prepare_v2(db, s, -1, &stmt, NULL) != SQLITE_OK) {
+		return 1;
+	}
+
+	if(sqlite3_step(stmt) != SQLITE_DONE) {
+		st = 1;
+	}
+
+	if(sqlite3_finalize(stmt) != SQLITE_OK) {
+		st = 1;
+	}
+
+	return st;
+}
+
+int db_init(void) {
+	struct passwd* pwd = getpwuid(getuid());
+	char*	       dir = malloc(strlen(pwd->pw_dir) + 1 + strlen(".config/mauplay") + 1);
+	char*	       path;
+	int	       st = 0;
+
+	strcpy(dir, pwd->pw_dir);
+	strcat(dir, "/.config/mauplay");
+
+	MDEDirectoryCreate(dir, 0755);
+
+	path = malloc(strlen(dir) + 1 + strlen("mauplay.db") + 1);
+	strcpy(path, dir);
+	strcat(path, "/mauplay.db");
+
+	free(dir);
+
+	if(sqlite3_open(path, &db) != SQLITE_OK) {
+		free(path);
+		return 1;
+	}
+
+	free(path);
+
+	if((st = db_exec("CREATE TABLE IF NOT EXISTS cache (path TEXT PRIMARY KEY, title TEXT, artist TEXT, album TEXT, genre TEXT, length INTEGER, mtime INTEGER)")) != 0) {
+		sqlite3_close(db);
+		return st;
+	}
+
+	return st;
+}
+
+static int db_bind(sqlite3_stmt* stmt, const char* path) {
+	SF_INFO	    sfi;
+	SNDFILE*    sf = sf_open(path, SFM_READ, &sfi);
+	char*	    p;
+	const char* s_title;
+	const char* s_artist;
+	const char* s_album;
+	const char* s_genre;
+	int	    s_length;
+	struct stat s;
+	if(sf == NULL) return 1;
+
+	s_title	 = sf_get_string(sf, SF_STR_TITLE);
+	s_artist = sf_get_string(sf, SF_STR_ARTIST);
+	s_album	 = sf_get_string(sf, SF_STR_ALBUM);
+	s_genre	 = sf_get_string(sf, SF_STR_GENRE);
+	s_length = sfi.frames / sfi.samplerate;
+
+	if(s_title == NULL) s_title = path;
+	if(s_artist == NULL) s_artist = "<unknown>";
+	if(s_album == NULL) s_album = "<unknown>";
+	if(s_genre == NULL) s_genre = "<unknown>";
+
+	p = MDEFileAbsolutePath(path);
+
+	stat(p, &s);
+
+	sqlite3_bind_text(stmt, 1, p, -1, SQLITE_TRANSIENT);
+	sqlite3_bind_text(stmt, 2, s_title, -1, SQLITE_TRANSIENT);
+	sqlite3_bind_text(stmt, 3, s_artist, -1, SQLITE_TRANSIENT);
+	sqlite3_bind_text(stmt, 4, s_album, -1, SQLITE_TRANSIENT);
+	sqlite3_bind_text(stmt, 5, s_genre, -1, SQLITE_TRANSIENT);
+	sqlite3_bind_int(stmt, 6, s_length);
+	sqlite3_bind_int64(stmt, 7, s.st_mtime);
+
+	sf_close(sf);
+
+	free(p);
+
+	return 0;
+}
+
+void db_add(const char* path) {
+	sqlite3_stmt* stmt;
+
+	if(sqlite3_prepare_v2(db, "INSERT OR REPLACE INTO cache VALUES(?,?,?,?,?,?,?)", -1, &stmt, NULL) != SQLITE_OK) {
+		return;
+	}
+
+	if(db_bind(stmt, path) == 0) {
+		sqlite3_step(stmt);
+	}
+	sqlite3_finalize(stmt);
+}
+
+void db_scan(void) {
+	sqlite3_stmt* stmt;
+
+	if(sqlite3_prepare_v2(db, "SELECT * FROM cache", -1, &stmt, NULL) != SQLITE_OK) {
+		return;
+	}
+
+	while(sqlite3_step(stmt) == SQLITE_ROW) {
+		printf("!\n");
+	}
+
+	sqlite3_finalize(stmt);
+}