album.c File Reference

Album implementation. More...

#include "compile_time.h"
#include "src/lib/album.h"
#include "src/lib/cache/cache_rax_album.h"
#include "src/lib/convert.h"
#include "src/lib/json/json_print.h"
#include "src/lib/mem.h"
#include "src/lib/sds_extras.h"
#include "src/lib/utility.h"
#include "src/mympd_client/tags.h"
#include <assert.h>
#include <inttypes.h>
#include <stdio.h>
#include <string.h>

Include dependency graph for album.c:

Data Structures
struct	t_album_tag_value
struct	t_album

Functions
static sds	get_tag_value_string (const struct t_album *album, enum mpd_tag_type tag, sds tag_values, unsigned *value_count)
static sds	get_tag_values (const struct t_album *album, enum mpd_tag_type tag, sds tag_values, bool multi, unsigned *value_count)
struct t_album *	album_new (void)
struct t_album *	album_new_uri (const char *uri)
struct t_album *	album_new_from_song (const struct mpd_song *song, const struct t_mympd_mpd_tags *album_tags)
void	album_free (struct t_album *album)
const char *	album_get_uri (const struct t_album *album)
unsigned	album_get_total_time (const struct t_album *album)
time_t	album_get_last_modified (const struct t_album *album)
time_t	album_get_added (const struct t_album *album)
unsigned	album_get_song_count (const struct t_album *album)
unsigned	album_get_disc_count (const struct t_album *album)
const char *	album_get_tag (const struct t_album *album, enum mpd_tag_type type, unsigned idx)
bool	album_get_unknown (const struct t_album *album)
void	album_set_unknown (struct t_album *album, bool unknown)
void	album_set_discs (struct t_album *album, const char *disc)
void	album_set_disc_count (struct t_album *album, unsigned count)
void	album_set_last_modified (struct t_album *album, time_t last_modified)
void	album_set_added (struct t_album *album, time_t added)
void	album_set_total_time (struct t_album *album, unsigned duration)
void	album_inc_total_time (struct t_album *album, unsigned duration)
void	album_set_song_count (struct t_album *album, unsigned count)
void	album_inc_song_count (struct t_album *album)
bool	album_append_tags (struct t_album *album, const struct mpd_song *song, const struct t_mympd_mpd_tags *tags)
bool	album_append_tag (struct t_album *album, enum mpd_tag_type type, const char *value)
bool	album_copy_tags (struct t_album *album, enum mpd_tag_type src, enum mpd_tag_type dst)
void	album_set_uri (struct t_album *album, const char *uri)
sds	album_get_tag_value_string (const struct t_album *album, enum mpd_tag_type tag, sds tag_values)
sds	album_get_tag_values (const struct t_album *album, enum mpd_tag_type tag, sds tag_values)
sds	album_get_tag_value_padded (const struct t_album *album, enum mpd_tag_type tag, char pad, size_t len, sds tag_values)
sds	print_album_tags (sds buffer, const struct t_albums_config *album_config, const struct t_mympd_mpd_tags *tagcols, const struct t_album *album)

Detailed Description

Album implementation.

Function Documentation

album_append_tag()

bool album_append_tag	(	struct t_album *	album,
		enum mpd_tag_type	type,
		const char *	value
	)

Adds a tag value to the album if value does not already exists

Parameters

album	pointer to a t_album struct
type	mpd tag type
value	tag value to add

Returns

true if tag is added or already there, false if the tag could not be added

album_append_tags()

bool album_append_tags	(	struct t_album *	album,
		const struct mpd_song *	song,
		const struct t_mympd_mpd_tags *	tags
	)

Appends tag values from a song to the album

Parameters

album	pointer to a t_album struct representing the album
song	song to add tag values from
tags	tags to append

Returns

true on success else false

album_copy_tags()

bool album_copy_tags	(	struct t_album *	album,
		enum mpd_tag_type	src,
		enum mpd_tag_type	dst
	)

Copies all values from a tag to another tag

Parameters

album	pointer to a t_album struct
src	source tag
dst	destination tag

Returns

true on success, else false

album_free()

void album_free

(

struct t_album *

album

)

Frees an album struct

Parameters

album

Pointer to album struct

album_get_added()

time_t album_get_added

(

const struct t_album *

album

)

Gets the added timestamp for the album

Parameters

album

t_album struct representing the album

Returns

time_t added timestamp

album_get_disc_count()

unsigned album_get_disc_count

(

const struct t_album *

album

)

Gets the number of discs

Parameters

album

t_album struct representing the album

Returns

number of discs

album_get_last_modified()

time_t album_get_last_modified

(

const struct t_album *

album

)

Gets the last-modified timestamp for the album

Parameters

album

t_album struct representing the album

Returns

time_t last-modified timestamp

album_get_song_count()

unsigned album_get_song_count

(

const struct t_album *

album

)

Gets the number of songs

Parameters

album

t_album struct representing the album

Returns

number of songs

album_get_tag()

const char * album_get_tag	(	const struct t_album *	album,
		enum mpd_tag_type	type,
		unsigned	idx
	)

Gets the album tag value at position idx

Parameters

album	t_album struct representing the album
type	mpd tag type
idx	index of tag value to get

Returns

const char* tag value or NULL

album_get_tag_value_padded()

sds album_get_tag_value_padded	(	const struct t_album *	album,
		enum mpd_tag_type	tag,
		char	pad,
		size_t	len,
		sds	tag_values
	)

Get's a tag value from an album and pads it

Parameters

album	Album struct
tag	mpd tag type
pad	padding char
len	length to pad
tag_values	already allocated sds string to append

Returns

sds new sds pointer to tag_values

album_get_tag_value_string()

sds album_get_tag_value_string	(	const struct t_album *	album,
		enum mpd_tag_type	tag,
		sds	tag_values
	)

Appends a comma separated list of tag values

Parameters

album	pointer to album struct
tag	mpd tag type to get values for
tag_values	already allocated sds string to append the values

Returns

new sds pointer to tag_values

album_get_tag_values()

sds album_get_tag_values	(	const struct t_album *	album,
		enum mpd_tag_type	tag,
		sds	tag_values
	)

Appends a a json string/array of tag values

Parameters

album	pointer to album struct
tag	mpd tag type to get values for
tag_values	already allocated sds string to append the values

Returns

new sds pointer to tag_values

album_get_total_time()

unsigned album_get_total_time

(

const struct t_album *

album

)

Gets the album duration

Parameters

album

t_album struct representing the album

Returns

unsigned album duration

album_get_unknown()

bool album_get_unknown

(

const struct t_album *

album

)

Gets the unknown marker for an album

Parameters

album

t_album struct representing the album

Returns

bool true if it is a unknown album, else false

album_get_uri()

const char * album_get_uri

(

const struct t_album *

album

)

Gets the album uri (uri of first song)

Parameters

album

t_album struct representing the album

Returns

const char* first song uri

album_inc_song_count()

void album_inc_song_count

(

struct t_album *

album

)

Increments the song count

Parameters

album

pointer to a t_album struct

album_inc_total_time()

void album_inc_total_time	(	struct t_album *	album,
		unsigned	duration
	)

Increments the albums duration

Parameters

album	t_album struct representing the album
duration	seconds to increment

album_new()

struct t_album * album_new

(

void

)

Creates and initializes a new struct for an album.

Returns

struct t_album* or NULL on error

album_new_from_song()

struct t_album * album_new_from_song	(	const struct mpd_song *	song,
		const struct t_mympd_mpd_tags *	album_tags
	)

Creates and initializes a new struct for an album with values copied from song

Parameters

song	Song to create album from
album_tags	Tags to use

Returns

struct t_album* or NULL on error

album_new_uri()

struct t_album * album_new_uri

(

const char *

uri

)

Creates and initializes a new struct for an album with defined first song uri

Parameters

uri	First song uri

Returns

struct t_album* or NULL on error

album_set_added()

void album_set_added	(	struct t_album *	album,
		time_t	added
	)

Sets the albums added timestamp if it is older as current album added timestamp

Parameters

album	t_album struct representing the album
added	added timestamp to set

album_set_disc_count()

void album_set_disc_count	(	struct t_album *	album,
		unsigned	count
	)

Sets a fixed disc count

Parameters

album	t_album struct representing the album
count	disc count

album_set_discs()

void album_set_discs	(	struct t_album *	album,
		const char *	disc
	)

Sets the albums disc count from disc song tag

Parameters

album	t_album struct representing the album
disc	mpd song disc tag value

album_set_last_modified()

void album_set_last_modified	(	struct t_album *	album,
		time_t	last_modified
	)

Sets the albums last modified timestamp if it is newer as current album last-modified timestamp

Parameters

album	t_album struct representing the album
last_modified	last-modified timestamp to set

album_set_song_count()

void album_set_song_count	(	struct t_album *	album,
		unsigned	count
	)

Set the song count

Parameters

album	t_album struct representing the album
count	song count

album_set_total_time()

void album_set_total_time	(	struct t_album *	album,
		unsigned	duration
	)

Sets the albums duration

Parameters

album	t_album struct representing the album
duration	total time to set

album_set_unknown()

void album_set_unknown	(	struct t_album *	album,
		bool	unknown
	)

Sets the unknown marker for an album

Parameters

album	t_album struct representing the album
unknown	true if it is a unknown album, else false

album_set_uri()

void album_set_uri	(	struct t_album *	album,
		const char *	uri
	)

Replaces the uri

Parameters

album	pointer to album struct
uri	new uri to set

get_tag_value_string()

static sds get_tag_value_string ( const struct t_album *  album, enum mpd_tag_type  tag, sds  tag_values, unsigned *  value_count  )

static

Appends a comma separated list of tag values

Parameters

album	pointer to album struct
tag	mpd tag type to get values for
tag_values	already allocated sds string to append the values
value_count	the number of values retrieved

Returns

new sds pointer to tag_values

get_tag_values()

static sds get_tag_values ( const struct t_album *  album, enum mpd_tag_type  tag, sds  tag_values, bool  multi, unsigned *  value_count  )

static

Appends a json string or array to tag_values. Nothing is append if value is empty.

Parameters

album	pointer to album struct
tag	mpd tag type to get values for
tag_values	already allocated sds string to append the values
value_count	the number of values retrieved
multi	true if it is a multi value string

Returns

new sds pointer to tag_values

print_album_tags()

sds print_album_tags	(	sds	buffer,
		const struct t_albums_config *	album_config,
		const struct t_mympd_mpd_tags *	tagcols,
		const struct t_album *	album
	)

Prints the tag values for an album as json string

Parameters

buffer	already allocated sds string to append the values
album_config	Album configuration
tagcols	pointer to t_tags struct (tags to retrieve)
album	pointer to album

Returns

new sds pointer to buffer