bakatui/src/timetable.cpp

438 lines
14 KiB
C++

#include "timetable.h"
#include "color.h"
#include "const.h"
#include "helper_funcs.h"
#include "net.h"
#include "types.h"
#include <cstdint>
#include <curses.h>
#include <cwchar>
#include <fstream>
#include <iostream>
#include <ncurses.h>
#include <nlohmann/json.hpp>
#include <panel.h>
#include <string>
#include <sys/types.h>
#include <vector>
using nlohmann::json;
#define BOTTOM_PADDING 3
#define DEFAULT_OFFSET 3
const wchar_t *day_abriviations[] = {nullptr, L"Mo", L"Tu", L"We",
L"Th", L"Fr", L"Sa", L"Su"};
void draw_grid(const uint8_t num_of_columns, const uint8_t num_of_rows,
const uint16_t cell_width, const uint16_t cell_height);
void refresh_cells(uint8_t num_of_columns, uint8_t num_of_days,
uint16_t cell_width, uint16_t cell_height,
std::vector<std::vector<WINDOW *>> &cells,
std::vector<uint8_t> &HourIdLookupTable,
json &resp_from_api);
uint8_t hour_id_to_index(const std::vector<uint8_t> &HourIdLookupTable,
uint8_t id) {
for (uint8_t i = 0; i < HourIdLookupTable.size(); i++) {
if (HourIdLookupTable[i] == id) {
return i;
}
}
return 0;
}
json *partial_json_by_id(json &resp_from_api, const std::string &what,
const std::string &id) {
for (uint8_t i = 0; i < resp_from_api[what].size(); i++) {
if (resp_from_api[what][i]["Id"].get<std::string>() == id) {
return &resp_from_api[what][i];
}
}
return nullptr;
}
std::wstring get_data_for_atom(json &resp_from_api, json *atom,
const std::string &from_where,
const std::string &id_key,
const std::string &what) {
return string_to_wstring(
partial_json_by_id(resp_from_api, from_where,
atom->at(id_key).get<std::string>())
->at(what)
.get<std::string>());
}
void timetable_page() {
// DONT FORGET TO UNCOMMENT
// json resp_from_api =
// bakaapi::get_data_from_endpoint("api/3/timetable/actual");
std::ifstream f("test-data/timetable.json");
json resp_from_api = json::parse(f);
// this may be unnecessary but i dont have enaugh data to test it
// it sorts the hours by start time
std::vector<uint8_t> HourIdLookupTable(resp_from_api["Hours"].size());
{
using Id_and_Start_time = std::tuple<uint8_t, std::string>;
// ID, start_time
Id_and_Start_time *temp_hour_sorting_array =
new Id_and_Start_time[resp_from_api["Hours"].size()];
for (uint8_t i = 0; i < resp_from_api["Hours"].size(); i++) {
temp_hour_sorting_array[i] = std::make_tuple(
resp_from_api["Hours"][i]["Id"].get<uint8_t>(),
resp_from_api["Hours"][i]["BeginTime"].get<std::string>());
};
std::sort(temp_hour_sorting_array,
temp_hour_sorting_array + resp_from_api["Hours"].size(),
[](const Id_and_Start_time &a, const Id_and_Start_time &b) {
const std::string &str_a = std::get<1>(a);
const std::string &str_b = std::get<1>(b);
const size_t colon_pos_a = str_a.find(':');
const size_t colon_pos_b = str_b.find(':');
if (colon_pos_a == std::string::npos ||
colon_pos_b == std::string::npos) {
std::cerr << RED "[ERROR]" << RESET
<< " Colon not found in time string\n";
safe_exit(EXIT_FAILURE);
}
const std::string hour_a_S = str_a.substr(0, colon_pos_a);
const std::string hour_b_S = str_b.substr(0, colon_pos_b);
const std::string minute_a_S = str_a.substr(colon_pos_a + 1);
const std::string minute_b_S = str_b.substr(colon_pos_b + 1);
const uint8_t hour_a = std::stoi(hour_a_S);
const uint8_t hour_b = std::stoi(hour_b_S);
const uint8_t minute_a = std::stoi(minute_a_S);
const uint8_t minute_b = std::stoi(minute_b_S);
return (hour_a < hour_b) ||
((hour_a == hour_b) && (minute_a < minute_b));
});
for (uint8_t i = 0; i < resp_from_api["Hours"].size(); i++) {
HourIdLookupTable[i] = std::get<0>(temp_hour_sorting_array[i]);
}
delete[] temp_hour_sorting_array;
}
// some lambda dark magic
const uint8_t num_of_columns = [&]() -> uint8_t {
uint8_t result = 0;
for (uint8_t i = 0; i < resp_from_api["Days"].size(); i++) {
for (uint8_t j = 0; j < resp_from_api["Days"][i]["Atoms"].size(); j++) {
if (hour_id_to_index(
HourIdLookupTable,
resp_from_api["Days"][i]["Atoms"][j]["HourId"].get<uint8_t>()) >
result) {
result = hour_id_to_index(
HourIdLookupTable,
resp_from_api["Days"][i]["Atoms"][j]["HourId"].get<uint8_t>());
}
}
}
return result + 1;
}();
const uint8_t num_of_days = resp_from_api["Days"].size();
setlocale(LC_ALL, "");
/* Initialize curses */
initscr();
start_color();
cbreak();
noecho();
keypad(stdscr, TRUE);
curs_set(0);
/* Initialize all the colors */
for (uint8_t i = 0; i < 8; i++) {
init_pair(i, i, COLOR_BLACK);
}
const uint16_t cell_width = (COLS - BOTTOM_PADDING) / num_of_columns;
const uint16_t cell_height = (LINES - BOTTOM_PADDING) / num_of_days;
WINDOW **day_windows = new WINDOW *[num_of_days];
WINDOW **lesson_windows = new WINDOW *[num_of_columns];
std::vector<std::vector<WINDOW *>> cells(
num_of_days, std::vector<WINDOW *>(num_of_columns));
for (uint8_t i = 0; i < num_of_days; i++) {
day_windows[i] = newwin(cell_height, DEFAULT_OFFSET,
i * cell_height + DEFAULT_OFFSET, 0);
// this wont draw left boarder window making it so it looks partially
// offscreen
wborder(day_windows[i], ' ', 0, 0, 0, ACS_HLINE, 0, ACS_HLINE, 0);
const wchar_t *day_abriv =
day_abriviations[resp_from_api["Days"][i]["DayOfWeek"].get<uint8_t>()];
wprint_in_middle(day_windows[i], cell_height / 2, 0, wcslen(day_abriv),
day_abriv, COLOR_PAIR(0));
wrefresh(day_windows[i]);
}
for (uint8_t i = 0; i < num_of_columns; i++) {
lesson_windows[i] =
newwin(DEFAULT_OFFSET, cell_width, 0, i * cell_width + DEFAULT_OFFSET);
wborder(lesson_windows[i], 0, 0, ' ', 0, ACS_VLINE, ACS_VLINE, 0, 0);
std::wstring caption;
std::wstring start_time;
std::wstring end_time;
for (uint8_t j = 0; j < resp_from_api["Hours"].size(); j++) {
if (resp_from_api["Hours"][j]["Id"].get<uint8_t>() ==
HourIdLookupTable[i]) {
// DEBUG
// std::clog <<
// resp_from_api["Hours"][j]["Caption"].get<std::string>();
std::string caption_ascii =
resp_from_api["Hours"][j]["Caption"].get<std::string>();
std::string start_time_ascii =
resp_from_api["Hours"][j]["BeginTime"].get<std::string>();
std::string end_time_ascii =
resp_from_api["Hours"][j]["EndTime"].get<std::string>();
caption = string_to_wstring(caption_ascii);
start_time = string_to_wstring(start_time_ascii);
end_time = string_to_wstring(end_time_ascii);
goto hour_id_found;
}
}
std::cerr << RED "[ERROR]" << RESET " Hour with id " << HourIdLookupTable[i]
<< " not found\n";
safe_exit(128);
hour_id_found:
wprint_in_middle(lesson_windows[i], 0, cell_width / 2, caption.length(),
caption.c_str(), COLOR_PAIR(0));
wprint_in_middle(lesson_windows[i], 1, 1, start_time.length(),
start_time.c_str(), COLOR_PAIR(0));
print_in_middle(lesson_windows[i], 1, cell_width / 2, 1, "-",
COLOR_PAIR(0));
wprint_in_middle(lesson_windows[i], 1, cell_width - end_time.length() - 1,
end_time.length(), end_time.c_str(), COLOR_PAIR(0));
wrefresh(lesson_windows[i]);
}
for (uint8_t i = 0; i < num_of_days; i++) {
for (uint8_t j = 0; j < num_of_columns; j++) {
cells[i][j] =
newwin(cell_height, cell_width, i * cell_height + DEFAULT_OFFSET,
j * cell_width + DEFAULT_OFFSET);
}
}
refresh_cells(num_of_columns, num_of_days, cell_width, cell_height, cells,
HourIdLookupTable, resp_from_api);
refresh();
SelectorType selected_cell(0, 0, 0, num_of_columns - 1, 0, num_of_days - 1);
SelectorType prev_selected_cell = selected_cell;
std::array<WINDOW *, 4> selector_windows;
std::array<PANEL *, 4> selector_panels;
{
const chtype corners[] = {
ACS_ULCORNER, /* Upper left corner */
ACS_URCORNER, /* Upper right corner */
ACS_LLCORNER, /* Lower left corner */
ACS_LRCORNER /* Lower right corner */
};
unsigned short x_offset, y_offset;
for (uint8_t i = 0; i < selector_windows.size(); i++) {
if (!(i % 2 == 0)) {
x_offset = cell_width - 1;
} else {
x_offset = 0;
}
if (!(i < 2)) {
y_offset = cell_height - 1;
} else {
y_offset = 0;
}
selector_windows[i] =
newwin(1, 1, DEFAULT_OFFSET + y_offset, DEFAULT_OFFSET + x_offset);
selector_panels[i] = new_panel(selector_windows[i]);
wattron(selector_windows[i], COLOR_PAIR(COLOR_RED));
mvwaddch(selector_windows[i], 0, 0, corners[i]);
wattroff(selector_windows[i], COLOR_PAIR(COLOR_RED));
}
}
update_panels();
doupdate();
int ch;
while ((ch = getch()) != KEY_F(1)) {
run_loop_again:
switch (ch) {
case KEY_UP:
case 'k':
selected_cell.y--;
break;
case KEY_DOWN:
case 'j':
selected_cell.y++;
break;
case KEY_LEFT:
case 'h':
selected_cell.x--;
break;
case KEY_RIGHT:
case 'l':
selected_cell.x++;
break;
}
{ // print selected indicator
chtype top_left_corner =
mvwinch(cells[selected_cell.y][selected_cell.x], 0, 0);
if (!((top_left_corner & A_CHARTEXT) == 32)) {
for (uint8_t i = 0; i < selector_panels.size(); i++) {
unsigned short x_offset, y_offset;
if (!(i % 2 == 0)) {
x_offset = cell_width - 1;
} else {
x_offset = 0;
}
if (!(i < 2)) {
y_offset = cell_height - 1;
} else {
y_offset = 0;
}
move_panel(selector_panels[i],
DEFAULT_OFFSET + y_offset + selected_cell.y * cell_height,
DEFAULT_OFFSET + x_offset + selected_cell.x * cell_width);
}
refresh_cells(num_of_columns, num_of_days, cell_width, cell_height,
cells, HourIdLookupTable, resp_from_api);
update_panels();
doupdate();
} else {
// skip if the cell is empty
goto run_loop_again;
}
}
}
delete[] day_windows;
delete[] lesson_windows;
endwin();
}
void refresh_cells(uint8_t num_of_columns, uint8_t num_of_days,
uint16_t cell_width, uint16_t cell_height,
std::vector<std::vector<WINDOW *>> &cells,
std::vector<uint8_t> &HourIdLookupTable,
json &resp_from_api) {
for (uint8_t i = 0; i < num_of_days; i++) {
for (uint8_t j = 0; j < num_of_columns; j++) {
json *atom;
for (uint8_t k = 0; k < resp_from_api["Days"][i]["Atoms"].size(); k++) {
if (resp_from_api["Days"][i]["Atoms"][k]["HourId"].get<uint8_t>() ==
HourIdLookupTable[j]) {
atom = &resp_from_api["Days"][i]["Atoms"][k];
goto correct_atom_found;
}
}
continue;
correct_atom_found:
std::wstring Subject_Abbrev;
std::wstring Room_Abbrev;
std::wstring Teacher_Abbrev;
try {
if (atom->contains("Change") && !atom->at("Change").is_null()) {
switch (
hash_djb2a(atom->at("Change")["ChangeType"].get<std::string>())) {
case "Canceled"_sh:
case "Removed"_sh:
wattron(cells[i][j], COLOR_PAIR(COLOR_GREEN));
box(cells[i][j], 0, 0);
wattroff(cells[i][j], COLOR_PAIR(COLOR_GREEN));
break;
case "RoomChanged"_sh:
case "Substitution"_sh:
wattron(cells[i][j], COLOR_PAIR(COLOR_YELLOW));
box(cells[i][j], 0, 0);
wattroff(cells[i][j], COLOR_PAIR(COLOR_YELLOW));
break;
case "Added"_sh:
wattron(cells[i][j], COLOR_PAIR(COLOR_BLUE));
box(cells[i][j], 0, 0);
wattroff(cells[i][j], COLOR_PAIR(COLOR_BLUE));
break;
default:
// TODO add error handling
__asm__("nop");
}
if (!atom->at("Change")["TypeAbbrev"].is_null()) {
Subject_Abbrev = string_to_wstring(
atom->at("Change")["TypeAbbrev"].get<std::string>());
}
} else {
box(cells[i][j], 0, 0);
}
if (Subject_Abbrev.empty()) {
try {
Subject_Abbrev = get_data_for_atom(resp_from_api, atom, "Subjects",
"SubjectId", "Abbrev");
} catch (...) {
__asm__("nop");
}
}
try {
Room_Abbrev = get_data_for_atom(resp_from_api, atom, "Rooms",
"RoomId", "Abbrev");
} catch (...) {
__asm__("nop");
}
try {
Teacher_Abbrev = get_data_for_atom(resp_from_api, atom, "Teachers",
"TeacherId", "Abbrev");
} catch (...) {
__asm__("nop");
}
wprint_in_middle(cells[i][j], cell_height / 2,
cell_width / 2 - wcslen(Subject_Abbrev.c_str()) / 2,
wcslen(Subject_Abbrev.c_str()), Subject_Abbrev.c_str(),
COLOR_PAIR(0));
wprint_in_middle(cells[i][j], cell_height - 2,
cell_width - wcslen(Room_Abbrev.c_str()) - 1,
wcslen(Room_Abbrev.c_str()), Room_Abbrev.c_str(),
COLOR_PAIR(0));
wprint_in_middle(cells[i][j], cell_height - 2, 1,
wcslen(Teacher_Abbrev.c_str()), Teacher_Abbrev.c_str(),
COLOR_PAIR(0));
wrefresh(cells[i][j]);
} catch (const std::exception &e) {
std::cerr << RED "[ERROR]" << RESET " " << e.what() << "\n";
// world's best error handling
__asm__("nop");
}
}
}
}