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path: root/commands.c
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#include "commands.h"
#include "music.h"
#include "servers.h"
#include "server_communication.h"

#include <string.h>

GQuark commands_quark() {
	return g_quark_from_static_string("commands");
}

static void commands_list(GSocketConnection *connection, const gchar *cmd, GError **error) {
	gchar **data = g_strsplit(cmd, " ", 2);
	for(gint i = 0; data[i]; i++) {
		g_debug("\tdata[%d] = %s", i, data[i]);
	}
	g_assert(data[0] != NULL);

	gchar *dirname;
	if(data[1] != NULL) {
		dirname = g_strdup(data[1]);
	} else {
		dirname = "/";
	}

	g_strfreev(data);

	struct directory *directory = music_find_dir(dirname);
	if(directory == NULL) {
		*error = g_error_new(commands_quark(), 0, "error: couldn't find directory %s\n", dirname);
		return;
	}

	GString *string = g_string_new(NULL);

	for(GSList *node = directory->sub; node; node = g_slist_next(node)) {
		struct directory *d = node->data;
		gchar *name = g_path_get_basename(d->path);
		g_string_append_printf(string, "%s\n", name);
		g_free(name);
	}

	for(GSList *node = directory->files; node; node = g_slist_next(node)) {
		struct file *f = node->data;
		g_string_append_printf(string, "%s\n", f->name);
	}

	GOutputStream *os = g_io_stream_get_output_stream((GIOStream*)connection);
	if(g_output_stream_write_all(os, string->str, string->len, NULL, NULL,
			error) == FALSE) {
		return;
	}

	g_string_free(string, TRUE);
}

static void commands_find(GSocketConnection *connection, const gchar *cmd, GError **error) {
	gchar **data = g_strsplit(cmd, " ", 3);

	if(g_strv_length(data) != 3) {
		*error = g_error_new(commands_quark(), 0, "syntax: find[r|l] artist|title|album search");
		return;
	}

	gboolean remote = g_strncasecmp(data[0], "findl", 5) == 0 ? FALSE : TRUE;
	gboolean local = g_strncasecmp(data[0], "findr", 5) == 0 ? FALSE : TRUE;

	GString *string = g_string_new(NULL);

	if(local == TRUE) {
		GSList *list = NULL;
		if(g_ascii_strcasecmp(data[1], "artist") == 0) {
			list = music_find_artist(data[2]);
		} else if(g_ascii_strcasecmp(data[1] , "title") == 0) {
			list = music_find_title(data[2]);
		} else if(g_ascii_strcasecmp(data[1], "album") == 0) {
			list = music_find_album(data[2]);
		} else {
			*error = g_error_new(commands_quark(), 0, "unknown search method %s", data[1]);
			return;
		}

		for(GSList *node = list; node; node = g_slist_next(node)) {
			struct file *f = node->data;
			gchar *relpath = g_build_filename(f->parent->path +
					strlen(music_root->path), f->name, NULL);
			g_string_append_printf(string, "%s\n", relpath);
			g_free(relpath);
		}
		g_slist_free(list);
	}

	if(remote == TRUE) {
		for(GSList *node = servers; node; node = g_slist_next(node)) {
			struct server *server = node->data;
			g_debug("fetching data from server %s", server->host);
			gchar **temp = server_find(server, data[1], data[2]);
			if(temp == NULL) {
				continue;
			}
			for(gint i = 0; i < g_strv_length(temp); i++) {
				if(strlen(temp[i]) == 0) {
					break;
				}
				g_string_append_printf(string, "%s:%s\n", server->host, temp[i]);
			}
			g_strfreev(temp);
		}
	}


	GOutputStream *os = g_io_stream_get_output_stream((GIOStream*)connection);
	if(g_output_stream_write_all(os, string->str, string->len, NULL, NULL,
				error) == FALSE) {
		return;
	}
	g_string_free(string, TRUE);
}

static void commands_ping(GSocketConnection *connection, const gchar *cmd, GError **error) {
	GSocket *socket = g_socket_connection_get_socket(connection);
	g_socket_send(socket, "pong\n", 5, NULL, error);
}

static void commands_exit(GSocketConnection *connection, const gchar *cmd, GError **error) {
	GSocket *socket = g_socket_connection_get_socket(connection);
	g_socket_close(socket, NULL);
}

void commands_handle(GSocketConnection *connection, const gchar *cmd, GError **error) {
	g_debug(cmd);
	if(g_strncasecmp(cmd, "ping", 4) == 0) {
		commands_ping(connection, cmd, error);
	} else if(g_strncasecmp(cmd, "list", 4) == 0) {
		commands_list(connection, cmd, error);
	} else if(g_strncasecmp(cmd, "find", 4) == 0) {
		commands_find(connection, cmd, error);
	} else if(g_strncasecmp(cmd, "exit", 4) == 0) {
		commands_exit(connection, cmd, error);
	} else {
		g_debug("unknown command");
		*error = g_error_new(commands_quark(), 0, "unknown command %s", cmd);
	}
}