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#define _POSIX_C_SOURCE 200809L
#include <err.h>
#include <string.h>
#include <pthread.h>
#include <jansson.h>
#include "timeline.h"
#include "auth.h"
#include "http.h"
#include "string-util.h"
#include "log.h"
static char *timeline_url = "/api/v1/timelines/home";
struct timeline *timeline_from_json(const char *json_data)
{
json_t *root;
json_error_t error;
struct timeline *t;
root = json_loads(json_data, 0, &error);
if (!root) {
log_msg(LOG_ERROR, "timeline_free", "json root it null");
return NULL;
}
if (!json_is_array(root)) {
log_msg(LOG_ERROR, "timeline_free", "timeline not initialized");
json_decref(root);
return NULL;
}
t = calloc(1, sizeof(struct timeline));
if (!t) {
err(1, NULL);
json_decref(root);
return NULL;
}
t->size = json_array_size(root);
t->statuses = calloc(t->size, sizeof(struct status *));
if (!(t->statuses)) {
err(1, NULL);
json_decref(root);
return NULL;
}
for (size_t i = 0; i < t->size; i++) {
json_t *data;
data = json_array_get(root, i);
if (!data)
goto error;
t->statuses[i] = status_from_json_t(data);
if (!(t->statuses[i]))
goto error;
}
json_decref(root);
return t;
error:
timeline_free(t);
json_decref(root);
return NULL;
}
void timeline_free(struct timeline *t)
{
if (!t) {
log_msg(LOG_ERROR, "timeline_free", "timeline not initialized");
return;
}
for (size_t i = 0; i < t->size; i++) {
if (t->statuses[i])
status_free(t->statuses[i]);
}
free(t);
}
struct load_timeline_call_arg {
char *url;
void (*callback)(bool, struct timeline *t);
};
static void *load_timeline_call(void *req_arg)
{
struct load_timeline_call_arg *arg;
char *resp;
struct timeline *t;
arg = (struct load_timeline_call_arg *)req_arg;
if (!(arg->url)) {
log_msg(LOG_ERROR, "load_timeline_call", "invalid arguments");
goto error;
}
resp = get_request(arg->url);
if (!resp) {
log_msg(LOG_ERROR, "load_timeline_call", "failed to send http request");
goto error;
}
if (!resp) {
log_msg(LOG_ERROR, "load_timeline_call", "null response");
goto error;
}
t = timeline_from_json(resp);
if (!t) {
log_msg(LOG_ERROR, "load_timeline_call", "null response");
goto error;
}
free(arg->url);
free(arg);
free(resp);
(*(arg->callback))(true, t);
return NULL;
error:
if (arg->url)
free(arg->url);
free(arg);
if (resp)
free(resp);
(*(arg->callback))(false, NULL);
return NULL;
}
int get_timeline(const char *max_id, const char *since_id, const char *min_id,
int limit, void (*callback)(bool success, struct timeline *t))
{
size_t size;
char *url;
struct load_timeline_call_arg *arg;
pthread_t t;
size = strlen(get_instance_url()) + strlen(timeline_url) + 1;
url = malloc(size);
if (!url) {
err(1, NULL);
return -1;
}
strlcpy(url, get_instance_url(), size);
strlcat(url, timeline_url, size);
arg = calloc(1, sizeof(struct load_timeline_call_arg));
if (!arg) {
err(1, NULL);
return -1;
}
arg->url = url;
arg->callback = callback;
return pthread_create(&t, NULL, &load_timeline_call, arg);
}
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