[mpd] Refactor sticker commands
This commit is contained in:
chme
ejurgensen
parent
ef52f4ddc0
commit
7a916c84a2
365
src/mpd.c
365
src/mpd.c
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@ -59,6 +59,9 @@
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#include "remote_pairing.h"
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#define MPD_ALL_IDLE_LISTENER_EVENTS (LISTENER_PLAYER | LISTENER_QUEUE | LISTENER_VOLUME | LISTENER_SPEAKER | LISTENER_OPTIONS | LISTENER_DATABASE | LISTENER_UPDATE | LISTENER_STORED_PLAYLIST | LISTENER_STICKER)
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#define MPD_RATING_FACTOR 10.0
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static pthread_t tid_mpd;
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static struct event_base *evbase_mpd;
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@ -67,8 +70,6 @@ static struct commands_base *cmdbase;
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static struct evhttp *evhttpd;
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#define ALL_IDLE_LISTENER_EVENTS (LISTENER_PLAYER | LISTENER_QUEUE | LISTENER_VOLUME | LISTENER_SPEAKER | LISTENER_OPTIONS | LISTENER_DATABASE | LISTENER_UPDATE | LISTENER_STORED_PLAYLIST | LISTENER_STICKER)
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struct evconnlistener *mpd_listener6;
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struct evconnlistener *mpd_listener;
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@ -674,7 +675,7 @@ mpd_command_idle(struct evbuffer *evbuf, int argc, char **argv, char **errmsg, s
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}
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}
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else
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ctx->idle_events = ALL_IDLE_LISTENER_EVENTS;
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ctx->idle_events = MPD_ALL_IDLE_LISTENER_EVENTS;
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// If events the client listens to occurred since the last idle call (or since the client connected,
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// if it is the first idle call), notify immediately.
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@ -3248,179 +3249,192 @@ mpd_command_update(struct evbuffer *evbuf, int argc, char **argv, char **errmsg,
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return 0;
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}
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struct mpd_sticker_command {
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const char *cmd;
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int (*handler)(struct evbuffer *evbuf, int argc, char **argv, char **errmsg, const char *name, const char *virtual_path, bool name_is_rating, struct media_file_info *mfi, int *rating, bool *set_rating);
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int need_args;
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int want_dir;
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int get_mfi;
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};
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static int
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mpd_sticker_get(struct evbuffer *evbuf, int argc, char **argv, char **errmsg, const char *virtual_path)
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{
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struct media_file_info *mfi = NULL;
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uint32_t rating;
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int ret = 0;
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#define MPD_RATING_FACTOR 10.0
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if (strcmp(argv[4], "rating") != 0)
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{
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*errmsg = safe_asprintf("no such sticker");
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return ACK_ERROR_NO_EXIST;
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}
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mfi = db_file_fetch_byvirtualpath(virtual_path);
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if (!mfi)
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{
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DPRINTF(E_LOG, L_MPD, "Virtual path not found: %s\n", virtual_path);
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*errmsg = safe_asprintf("unknown sticker domain");
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return ACK_ERROR_ARG;
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}
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if (mfi && mfi->rating > 0)
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{
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rating = mfi->rating / MPD_RATING_FACTOR;
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evbuffer_add_printf(evbuf, "sticker: rating=%d\n", rating);
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}
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free_mfi(mfi, 0);
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return 0;
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}
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static int
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mpd_sticker_get(struct evbuffer *evbuf, int argc, char **argv, char **errmsg, const char *name, const char *virtual_path, bool name_is_rating, struct media_file_info *mfi, int *rating, bool *set_rating)
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mpd_sticker_set(struct evbuffer *evbuf, int argc, char **argv, char **errmsg, const char *virtual_path)
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{
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uint32_t rating;
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int ret = 0;
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if (strcmp(argv[4], "rating") != 0)
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{
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*errmsg = safe_asprintf("no such sticker");
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return ACK_ERROR_NO_EXIST;
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}
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ret = safe_atou32(argv[5], &rating);
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if (ret < 0)
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{
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*errmsg = safe_asprintf("rating '%s' doesn't convert to integer", argv[5]);
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return ACK_ERROR_ARG;
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}
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rating *= MPD_RATING_FACTOR;
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ret = db_file_rating_update_byvirtualpath(virtual_path, rating);
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if (ret <= 0)
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{
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*errmsg = safe_asprintf("Invalid path '%s'", virtual_path);
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return ACK_ERROR_ARG;
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}
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return 0;
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}
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static int
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mpd_sticker_delete(struct evbuffer *evbuf, int argc, char **argv, char **errmsg, const char *virtual_path)
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{
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int ret = 0;
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if (name_is_rating)
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if (strcmp(argv[4], "rating") != 0)
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{
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if (!mfi || !mfi->rating)
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{
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*errmsg = safe_asprintf("no such sticker");
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ret = ACK_ERROR_NO_EXIST;
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return ret;
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}
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*rating = mfi->rating / MPD_RATING_FACTOR;
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evbuffer_add_printf(evbuf, "sticker: rating=%d\n", *rating);
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*errmsg = safe_asprintf("no such sticker");
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return ACK_ERROR_NO_EXIST;
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}
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ret = db_file_rating_update_byvirtualpath(virtual_path, 0);
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if (ret <= 0)
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{
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*errmsg = safe_asprintf("Invalid path '%s'", virtual_path);
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return ACK_ERROR_ARG;
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}
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return 0;
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}
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static int
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mpd_sticker_list(struct evbuffer *evbuf, int argc, char **argv, char **errmsg, const char *virtual_path)
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{
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struct media_file_info *mfi = NULL;
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uint32_t rating;
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int ret = 0;
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mfi = db_file_fetch_byvirtualpath(virtual_path);
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if (!mfi)
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{
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DPRINTF(E_LOG, L_MPD, "Virtual path not found: %s\n", virtual_path);
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*errmsg = safe_asprintf("unknown sticker domain");
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return ACK_ERROR_ARG;
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}
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if (mfi && mfi->rating > 0)
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{
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rating = mfi->rating / MPD_RATING_FACTOR;
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evbuffer_add_printf(evbuf, "sticker: rating=%d\n", rating);
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}
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free_mfi(mfi, 0);
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/* |:todo:| real sticker implementation */
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return 0;
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}
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static int
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mpd_sticker_find(struct evbuffer *evbuf, int argc, char **argv, char **errmsg, const char *virtual_path)
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{
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struct query_params qp;
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struct db_media_file_info dbmfi;
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uint32_t rating;
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int ret = 0;
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if (strcmp(argv[4], "rating") != 0)
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{
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*errmsg = safe_asprintf("no such sticker");
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return ACK_ERROR_NO_EXIST;
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}
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memset(&qp, 0, sizeof(struct query_params));
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qp.type = Q_ITEMS;
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qp.sort = S_VPATH;
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qp.idx_type = I_NONE;
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qp.filter = db_mprintf("(f.virtual_path LIKE '%s%%' AND f.rating > 0)", virtual_path);
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if (!qp.filter)
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{
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*errmsg = safe_asprintf("Out of memory");
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ret = ACK_ERROR_UNKNOWN;
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return ret;
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}
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/* |:todo:| real sticker implementation */
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*errmsg = safe_asprintf("no such sticker");
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ret = ACK_ERROR_NO_EXIST;
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return ret;
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}
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static int
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mpd_sticker_set(struct evbuffer *evbuf, int argc, char **argv, char **errmsg, const char *name, const char *virtual_path, bool name_is_rating, struct media_file_info *mfi, int *rating, bool *set_rating)
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{
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int ret = 0;
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if (name_is_rating)
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ret = db_query_start(&qp);
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if (ret < 0)
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{
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ret = safe_atou32(argv[5], (unsigned int *) rating);
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if (ret < 0)
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{
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*errmsg = safe_asprintf("rating '%s' doesn't convert to integer", argv[5]);
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ret = ACK_ERROR_ARG;
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return ret;
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}
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*rating *= MPD_RATING_FACTOR;
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*set_rating = 1;
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return ret;
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}
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/* |:todo:| real sticker implementation */
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*errmsg = safe_asprintf("no such sticker");
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ret = ACK_ERROR_NO_EXIST;
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return ret;
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}
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static int
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mpd_sticker_delete(struct evbuffer *evbuf, int argc, char **argv, char **errmsg, const char *name, const char *virtual_path, bool name_is_rating, struct media_file_info *mfi, int *rating, bool *set_rating)
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{
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int ret = 0;
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if (name_is_rating)
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{
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*rating = 0;
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*set_rating = 1;
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return ret;
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}
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/* |:todo:| real sticker implementation */
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*errmsg = safe_asprintf("no such sticker");
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ret = ACK_ERROR_NO_EXIST;
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return ret;
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}
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static int
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mpd_sticker_list(struct evbuffer *evbuf, int argc, char **argv, char **errmsg, const char *name, const char *virtual_path, bool name_is_rating, struct media_file_info *mfi, int *rating, bool *set_rating)
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{
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int ret = 0;
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if (mfi && mfi->rating)
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{
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*rating = mfi->rating / MPD_RATING_FACTOR;
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evbuffer_add_printf(evbuf, "sticker: rating=%d\n", *rating);
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}
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/* |:todo:| real sticker implementation */
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return ret;
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}
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static int
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mpd_sticker_find(struct evbuffer *evbuf, int argc, char **argv, char **errmsg, const char *name, const char *virtual_path, bool name_is_rating, struct media_file_info *mfi, int *rating, bool *set_rating)
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{
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int ret = 0;
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if (name_is_rating && argc == 5)
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{
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struct query_params qp;
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struct db_media_file_info dbmfi;
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char *c1;
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memset(&qp, 0, sizeof(struct query_params));
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qp.type = Q_ITEMS;
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qp.sort = S_VPATH;
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qp.idx_type = I_NONE;
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c1 = db_mprintf("(f.virtual_path LIKE '%s%%' AND f.rating != 0)", virtual_path);
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if (!c1)
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{
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*errmsg = safe_asprintf("Out of memory");
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ret = ACK_ERROR_UNKNOWN;
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return ret;
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}
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qp.filter = c1;
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ret = db_query_start(&qp);
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if (ret < 0)
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{
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db_query_end(&qp);
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free(qp.filter);
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*errmsg = safe_asprintf("Could not start query");
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ret = ACK_ERROR_UNKNOWN;
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return ret;
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}
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while (((ret = db_query_fetch_file(&qp, &dbmfi)) == 0) && (dbmfi.id))
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{
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ret = safe_atou32(dbmfi.rating, (unsigned int *) rating);
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if (ret < 0)
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{
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DPRINTF(E_LOG, L_MPD, "Error rating=%s doesn't convert to integer, song id: %s\n",
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dbmfi.rating, dbmfi.id);
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continue;
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}
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*rating /= MPD_RATING_FACTOR;
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if (!*rating)
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/* inconsistent database */
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continue;
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ret = evbuffer_add_printf(evbuf,
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"file: file:%s\n"
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"sticker: rating=%d\n",
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dbmfi.path,
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*rating);
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if (ret < 0)
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DPRINTF(E_LOG, L_MPD, "Error adding song to the evbuffer, song id: %s\n", dbmfi.id);
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}
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ret = 0;
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db_query_end(&qp);
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free(qp.filter);
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*errmsg = safe_asprintf("Could not start query");
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ret = ACK_ERROR_UNKNOWN;
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return ret;
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}
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/* |:todo:| MPD_STICKER_FIND with expressions */
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while (((ret = db_query_fetch_file(&qp, &dbmfi)) == 0) && (dbmfi.id))
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{
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ret = safe_atou32(dbmfi.rating, &rating);
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if (ret < 0)
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{
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DPRINTF(E_LOG, L_MPD, "Error rating=%s doesn't convert to integer, song id: %s\n",
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dbmfi.rating, dbmfi.id);
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continue;
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}
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/* |:todo:| real sticker implementation */
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*errmsg = safe_asprintf("bad request");
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ret = ACK_ERROR_ARG;
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return ret;
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rating /= MPD_RATING_FACTOR;
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ret = evbuffer_add_printf(evbuf,
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"file: file:%s\n"
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"sticker: rating=%d\n",
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dbmfi.path,
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rating);
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if (ret < 0)
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DPRINTF(E_LOG, L_MPD, "Error adding song to the evbuffer, song id: %s\n", dbmfi.id);
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}
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db_query_end(&qp);
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free(qp.filter);
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return 0;
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}
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struct mpd_sticker_command {
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const char *cmd;
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int (*handler)(struct evbuffer *evbuf, int argc, char **argv, char **errmsg, const char *virtual_path);
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int need_args;
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};
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static struct mpd_sticker_command mpd_sticker_handlers[] = {
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{ "get", mpd_sticker_get, 5, 0, 0 },
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{ "set", mpd_sticker_set, 6, 0, 0 },
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{ "delete", mpd_sticker_delete, 5, 0, 0 },
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{ "list", mpd_sticker_list, 4, 0, 1 },
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{ "find", mpd_sticker_find, 5, 1, 0 },
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{ NULL, NULL, 0, 0, 0 },
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{ "get", mpd_sticker_get, 5 },
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{ "set", mpd_sticker_set, 6 },
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{ "delete", mpd_sticker_delete, 5 },
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{ "list", mpd_sticker_list, 4 },
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{ "find", mpd_sticker_find, 5 },
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{ NULL, NULL, 0 },
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};
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/*
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@ -3444,13 +3458,7 @@ static int
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mpd_command_sticker(struct evbuffer *evbuf, int argc, char **argv, char **errmsg, struct mpd_client_ctx *ctx)
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{
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struct mpd_sticker_command *cmd_param;
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const char *cmd;
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char *virtual_path = NULL;
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const char *name = NULL;
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bool name_is_rating = false;
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struct media_file_info *mfi = NULL;
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int rating = -1;
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bool set_rating = false;
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int i;
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int ret;
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@ -3466,11 +3474,10 @@ mpd_command_sticker(struct evbuffer *evbuf, int argc, char **argv, char **errmsg
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return ACK_ERROR_ARG;
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}
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cmd = argv[1];
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for (i=0; i<(sizeof(mpd_sticker_handlers) / sizeof(struct mpd_sticker_command)); ++i)
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{
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cmd_param = &mpd_sticker_handlers[i];
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if (cmd_param->cmd && strcmp(cmd, cmd_param->cmd) == 0)
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if (cmd_param->cmd && strcmp(argv[1], cmd_param->cmd) == 0)
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break;
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}
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if (!cmd_param->cmd)
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@ -3484,38 +3491,12 @@ mpd_command_sticker(struct evbuffer *evbuf, int argc, char **argv, char **errmsg
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return ACK_ERROR_ARG;
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}
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if (argc > 4)
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{
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name = argv[4];
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name_is_rating = strcmp(name, "rating") == 0;
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}
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virtual_path = prepend_slash(argv[3]);
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if (cmd_param->get_mfi || (!cmd_param->want_dir && name_is_rating))
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{
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mfi = db_file_fetch_byvirtualpath(virtual_path);
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if (!mfi)
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{
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DPRINTF(E_LOG, L_MPD, "Virtual path not found: %s\n", virtual_path);
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*errmsg = safe_asprintf("unknown sticker domain");
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free(virtual_path);
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return ACK_ERROR_ARG;
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}
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}
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ret = cmd_param->handler(evbuf, argc, argv, errmsg, name, virtual_path, name_is_rating, mfi, &rating, &set_rating);
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if (ret == 0 && mfi && set_rating && mfi->rating != rating)
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{
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db_file_rating_update_byvirtualpath(virtual_path, rating);
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}
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ret = cmd_param->handler(evbuf, argc, argv, errmsg, virtual_path);
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free(virtual_path);
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if (mfi)
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free_mfi(mfi, 0);
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return ret;
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}
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@ -5396,7 +5377,7 @@ int mpd_init(void)
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#endif
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mpd_clients = NULL;
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listener_add(mpd_listener_cb, ALL_IDLE_LISTENER_EVENTS);
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listener_add(mpd_listener_cb, MPD_ALL_IDLE_LISTENER_EVENTS);
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return 0;
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