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/*
* Created by yuuta on 4/1/22.
*/
#include "log.h"
#include "logic.h"
#include "botd.h"
#include "tdutils.h"
#include <stdio.h>
#include <stdbool.h>
#include <string.h>
#include <assert.h>
#include <inttypes.h>
#include <limits.h>
#include <errno.h>
struct refresh_session {
bool running;
long long chat_id;
long long message_id;
long long offset_message_id;
unsigned int progress;
unsigned int start;
unsigned int end;
unsigned int imported;
};
static struct refresh_session current_session = {
false,
0,
0,
0
};
static void refresh_get(void);
static void send_msg(long long chat_id, long long message_id, char *text) {
td_send(TdCreateObjectSendMessage(chat_id, /* chat_id */
0, /* message_thread_id */
(struct TdMessageReplyTo *) TdCreateObjectMessageReplyToMessage(chat_id, message_id) /* reply_to */,
TdCreateObjectMessageSendOptions(false, /* disable_notification */
false, /* from_background */
true, /* protect_content */
false, /* update_order_of_installed_sticker_sets */
NULL /* scheduling_state */,
0 /* sending_id */),
NULL,
(struct TdInputMessageContent *)
TdCreateObjectInputMessageText(
TdCreateObjectFormattedText(text,
(struct TdVectorTextEntity *)
TdCreateObjectVectorObject(
0, NULL)
),
false,
false)),
NULL,
NULL);
}
static void send_administrative_msg(char *text) {
send_msg(current_session.chat_id, current_session.message_id, text);
}
static void cb_store(bool succ) {
if (succ && current_session.running) current_session.imported++;
}
static void cb_refresh_mlink(bool successful, struct TdObject *result, struct TdError *error, void *cb_arg) {
if (!successful) {
char msg[512];
snprintf(msg, 512, "Cannot get message link info: %d (%s)",
error ? error->code_ : -1,
error ? error->message_ : "NULL");
send_administrative_msg(msg);
current_session.running = false;
return;
}
struct TdMessageLinkInfo *info = (struct TdMessageLinkInfo *) result;
if (!info->message_) {
refresh_get();
return;
}
LOGDV("%lld", info->message_->id_);
store(info->message_, &cb_store);
refresh_get();
}
static void cb_refresh_link(bool successful, struct TdObject *result, struct TdError *error, void *cb_arg) {
if (!successful) {
char msg[512];
snprintf(msg, 512, "Cannot get link: %d (%s)",
error ? error->code_ : -1,
error ? error->message_ : "NULL");
send_administrative_msg(msg);
current_session.running = false;
return;
}
struct TdInternalLinkType *type = (struct TdInternalLinkType *) result;
if (type->ID != CODE_InternalLinkTypeMessage) {
refresh_get();
return;
}
struct TdInternalLinkTypeMessage *m = (struct TdInternalLinkTypeMessage *) type;
td_send(TdCreateObjectGetMessageLinkInfo(m->url_), &cb_refresh_mlink, NULL);
}
static void refresh_prog_report(char msg[512]) {
snprintf(msg, 512, "Result report:\n"
"Progress: %u / %u. Imported %u.",
current_session.progress - current_session.start,
1 + current_session.end - current_session.start,
current_session.imported);
}
static void refresh_get(void) {
if (!current_session.running) return;
if (current_session.progress > current_session.end) {
char m[1024] = "Done. ";
refresh_prog_report(&m[6]);
send_administrative_msg(m);
current_session.running = false;
return;
}
char url[64];
sprintf(url, "https://t.me/c/1794945713/%u", current_session.progress++);
LOGDV("Get %s", url);
td_send(TdCreateObjectGetInternalLinkType(url),
&cb_refresh_link,
NULL);
}
static void cmd_start(struct TdMessage *msg, unsigned int start, unsigned int end) {
if (current_session.running) {
send_msg(msg->chat_id_, msg->id_, "A refresh is already in progress.");
return;
}
current_session.running = true;
current_session.message_id = msg->id_;
current_session.chat_id = msg->chat_id_;
current_session.offset_message_id = 0;
current_session.progress = start;
current_session.end = end;
current_session.start = start;
current_session.imported = 0;
send_administrative_msg("Refreshing ...");
refresh_get();
}
static void cmd_status(struct TdMessage *msg) {
char m[1024];
if (current_session.running) {
snprintf(m, 1024, "A refresh task is running. ");
refresh_prog_report(&m[27]);
} else {
snprintf(m, 1024, "Refresh is not running.");
}
send_msg(msg->chat_id_, msg->id_, m);
}
static void cmd_stop(struct TdMessage *msg) {
if (!current_session.running) {
send_msg(msg->chat_id_, msg->id_, "Refresh is not running.");
return;
}
current_session.running = false;
char m[1024] = "Stopped. ";
refresh_prog_report(&m[9]);
send_msg(msg->chat_id_, msg->id_, m);
}
void refresh(struct TdMessage *msg) {
assert(msg->content_->ID == CODE_MessageText);
char *token = strtok(((struct TdMessageText *) msg->content_)->text_->text_, " ");
unsigned int i = 0;
unsigned int action = 0;
unsigned int start = 0;
unsigned int end = 0;
while (token) {
LOGDV("%u %s", i, token);
switch (i++) {
case 0: {
break;
}
case 1: { /* 0: /refresh */
if (!strcmp(token, "start")) {
action = 1;
} else if (!strcmp(token, "status")) {
action = 2;
} else if (!strcmp(token, "stop")) {
action = 3;
} else {
send_msg(msg->chat_id_, msg->id_, "Invalid command.");
return;
}
break;
}
case 2: {
if (action != 1) {
send_msg(msg->chat_id_, msg->id_, "Invalid argument.");
return;
}
goto parse_range;
parse_range:
{
char *endptr;
uintmax_t num = strtoumax(token, &endptr, 10);
if (strcmp(endptr, "") != 0 || (num == UINTMAX_MAX && errno == ERANGE) ||
num > UINT_MAX || num <= 0) {
send_msg(msg->chat_id_, msg->id_, "Invalid range.");
return;
}
if (!start) start = (unsigned int) num;
else end = (unsigned int) num;
}
break;
}
case 3: {
if (action != 1) {
send_msg(msg->chat_id_, msg->id_, "Invalid argument.");
return;
}
goto parse_range;
}
default: {
send_msg(msg->chat_id_, msg->id_, "Invalid argument.");
return;
}
}
token = strtok(NULL, " ");
}
switch (action) {
case 1: {
if (!start || !end || end < start) {
send_msg(msg->chat_id_, msg->id_, "Usage: /refresh start [from] [to]");
return;
}
cmd_start(msg, start, end);
break;
}
case 2: {
cmd_status(msg);
break;
}
case 3: {
cmd_stop(msg);
break;
}
default: {
send_msg(msg->chat_id_, msg->id_, "Invalid argument.");
break;
}
}
}
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