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/* divesite.c */
#include "divesite.h"
#include "dive.h"
struct dive_site_table dive_site_table;
/* try to create a uniqe ID - fingers crossed */
static uint32_t dive_site_getUniqId()
{
uint32_t id = 0;
while (id == 0 || get_dive_site_by_uuid(id))
id = random() + random();
return id;
}
struct dive_site *alloc_dive_site()
{
int nr = dive_site_table.nr, allocated = dive_site_table.allocated;
struct dive_site **sites = dive_site_table.dive_sites;
if (nr >= allocated) {
allocated = (nr + 32) * 3 / 2;
sites = realloc(sites, allocated * sizeof(struct dive_site *));
if (!sites)
exit(1);
dive_site_table.dive_sites = sites;
dive_site_table.allocated = allocated;
}
struct dive_site *ds = calloc(1, sizeof(*ds));
if (!ds)
exit(1);
sites[nr] = ds;
dive_site_table.nr = nr + 1;
ds->uuid = dive_site_getUniqId();
return ds;
}
/* allocate a new site and add it to the table */
uint32_t create_dive_site(const char *name)
{
struct dive_site *ds = alloc_dive_site();
ds->name = copy_string(name);
return ds->uuid;
}
/* same as before, but with GPS data */
uint32_t create_dive_site_with_gps(const char *name, degrees_t latitude, degrees_t longitude)
{
struct dive_site *ds = alloc_dive_site();
ds->uuid = dive_site_getUniqId();
ds->name = copy_string(name);
ds->latitude = latitude;
ds->longitude = longitude;
return ds->uuid;
}
/* this either returns the uuid for a site with that name or creates an entry */
uint32_t dive_site_uuid_by_name(const char *name)
{
uint32_t id = get_dive_site_uuid_by_name(name);
if (id == 0)
id = create_dive_site(name);
return id;
}
/* if the uuid is valid, just get the site, otherwise create it first;
* so you can call this with dive->dive_site_uuid and you'll either get the existing
* dive site or it will create a new one - so make sure you assign the uuid back to
* dive->dive_site_uuid when using this function! */
struct dive_site *get_or_create_dive_site_by_uuid(uint32_t uuid)
{
struct dive_site *ds = get_dive_site_by_uuid(uuid);
if (!ds)
ds = alloc_dive_site();
return ds;
}
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