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#include "music.h"
#include "conf.h"
#include <glib/gstdio.h>
#include <string.h>
struct directory *music_root = NULL;
gboolean music_init() {
gchar *path = conf_get_string("audist", "music_root");
if(path == NULL) {
g_error("no music_root is set!");
}
music_root = g_new0(struct directory, 1);
music_root->path = path;
return 1;
}
gboolean music_scan(struct directory *directory) {
GError *error = NULL;
GDir *dir = g_dir_open(directory->path, 0, &error);
if(dir == NULL) {
g_error("%s", error->message);
g_error_free(error);
return 0;
}
const gchar *entry;
while((entry = g_dir_read_name(dir)) != NULL) {
struct stat st;
gchar *fullpath = g_build_filename(directory->path, entry, NULL);
if(fullpath == NULL) {
g_error("g_build_filename returned NULL");
}
if(g_stat(fullpath, &st) < 0) {
g_warning("g_stat failed on %s", fullpath);
}
if(S_ISREG(st.st_mode)) {
struct file *f = g_new0(struct file, 1);
f->name = g_strdup(entry);
f->parent = directory;
directory->files = g_slist_prepend(directory->files, f);
struct tag *tag = tag_read(fullpath);
if(tag) {
f->tag = tag;
}
} else if(S_ISDIR(st.st_mode)) {
struct directory *d = g_new0(struct directory, 1);
d->path = g_build_filename(directory->path, entry, NULL);
directory->sub = g_slist_prepend(directory->sub, d);
music_scan(d);
}
g_free(fullpath);
}
g_dir_close(dir);
return 1;
}
gboolean music_scan_root() {
g_assert(music_root != NULL);
return music_scan(music_root);
}
static struct directory *music_find_dir_rec(struct directory *root, const gchar *path) {
if(g_strcmp0(root->path, path) == 0)
return root;
for(GSList *node = root->sub; node; node = g_slist_next(node)) {
struct directory *d = node->data;
if(g_strcmp0(d->path, path) == 0) {
return d;
}
struct directory *temp = music_find_dir_rec(d, path);
if(temp) {
return temp;
}
}
return NULL;
}
struct directory *music_find_dir(const gchar *path) {
gchar *real_path = g_build_filename(music_root->path, path, NULL);
int len = strlen(real_path);
if(real_path[len - 1] == '/')
real_path[len - 1] = '\0';
struct directory *dir = music_find_dir_rec(music_root, real_path);
g_free(real_path);
return dir;
}
struct file *music_find_file(const gchar *path) {
gchar *dirname = g_path_get_dirname(path);
gchar *filename = g_path_get_basename(path);
struct directory *directory = music_find_dir(dirname);
g_free(dirname);
if(directory == NULL) {
g_free(filename);
return NULL;
}
for(GSList *node = directory->files; node; node = g_slist_next(node)) {
struct file *f = node->data;
if(g_strcmp0(filename, f->name) == 0) {
g_free(filename);
return f;
}
}
g_free(filename);
return NULL;
}
static void music_do_free(struct directory *root) {
g_assert(root != NULL);
for(GSList *node = root->sub; node; node = g_slist_next(node)) {
struct directory *d = node->data;
music_do_free(d);
}
g_slist_free(root->sub);
for(GSList *node = root->files; node; node = g_slist_next(node)) {
struct file *f = node->data;
g_free(f->name);
g_free(f);
}
g_slist_free(root->files);
g_free(root->path);
g_free(root);
}
void music_free() {
g_assert(music_root != NULL);
music_do_free(music_root);
music_root = NULL;
}
static GSList *music_find_rec(struct directory *directory, const gchar *name, enum tag_type type) {
GSList *list = NULL;
for(GSList *node = directory->sub; node; node = g_slist_next(node)) {
struct directory *d = node->data;
list = g_slist_concat(list, music_find_rec(d, name, type));
}
for(GSList *node = directory->files; node; node = g_slist_next(node)) {
struct file *f = node->data;
const gchar *tag_str = tag_get(f->tag, type);
if(tag_str == NULL) {
continue;
}
gchar *str = g_utf8_casefold(tag_str, strlen(tag_str));
if(strstr(str, name) != NULL) {
list = g_slist_prepend(list, f);
}
g_free(str);
}
return list;
}
static GSList *music_find(const gchar *_name, enum tag_type type) {
gchar *name = g_utf8_casefold(_name, strlen(_name));
GSList *list = music_find_rec(music_root, name, type);
g_free(name);
return list;
}
GSList *music_find_artist(const gchar *name) {
return music_find(name, TAG_TYPE_ARTIST);
}
GSList *music_find_title(const gchar *name) {
return music_find(name, TAG_TYPE_TITLE);
}
GSList *music_find_album(const gchar *name) {
return music_find(name, TAG_TYPE_ALBUM);
}
gchar *music_get_full_path(const gchar *path) {
return g_build_filename(music_root->path, path, NULL);
}
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