orchidmap-front/src/redux/editor/sagas.ts
2020-02-14 10:58:09 +07:00

437 lines
13 KiB
TypeScript

import {
call,
put,
takeEvery,
takeLatest,
select,
race,
takeLeading,
delay,
} from 'redux-saga/effects';
import { selectEditor, selectEditorMode, selectEditorGpx } from '~/redux/editor/selectors';
import { simplify } from '~/utils/simplify';
import {
editorHideRenderer,
editorSetChanged,
editorChangeMode,
editorSetReady,
editorSetRenderer,
editorSetDialogActive,
editorClearAll,
editorSetFeature,
editorLocationChanged,
editorKeyPressed,
editorSetSave,
editorSearchNominatim,
editorSetDialog,
editorSetNominatim,
editorSetMode,
editorSetRouter,
editorSetHistory,
editorUndo,
editorRedo,
editorUploadGpx,
editorSetGpx,
} from '~/redux/editor/actions';
import { getUrlData, pushPath } from '~/utils/history';
import { MODES } from '~/constants/modes';
import { checkOSRMService, checkNominatimService, searchNominatim } from '~/utils/api';
import { LatLng } from 'leaflet';
import { searchSetTab } from '../user/actions';
import { TABS, DIALOGS } from '~/constants/dialogs';
import { EDITOR_ACTIONS, EDITOR_HISTORY_LENGTH } from './constants';
import { getGPXString, downloadGPXTrack, importGpxTrack } from '~/utils/gpx';
import {
getTilePlacement,
getPolyPlacement,
getStickersPlacement,
fetchImages,
composeArrows,
composeDistMark,
composeImages,
composePoly,
composeStickers,
imageFetcher,
downloadCanvas,
} from '~/utils/renderer';
import { selectMap, selectMapRoute } from '../map/selectors';
import { selectUser } from '../user/selectors';
import { LOGOS } from '~/constants/logos';
import { loadMapFromPath } from '../map/sagas';
import { mapClicked, mapSetRoute, mapSet } from '../map/actions';
import { MAP_ACTIONS } from '../map/constants';
import { OsrmRouter } from '~/utils/map/OsrmRouter';
import path from 'ramda/es/path';
import { MainMap } from '~/constants/map';
import { EDITOR_INITIAL_STATE } from '.';
import { Unwrap } from '~/utils/middleware';
import uuid from 'uuid';
import { getRandomColor, getAdaptiveScale } from '~/utils/dom';
const hideLoader = () => {
document.getElementById('loader').style.opacity = String(0);
document.getElementById('loader').style.pointerEvents = 'none';
return true;
};
function* stopEditingSaga() {
const { changed, mode }: ReturnType<typeof selectEditor> = yield select(selectEditor);
const { path } = getUrlData();
if (changed && mode !== MODES.CONFIRM_CANCEL) {
yield put(editorChangeMode(MODES.CONFIRM_CANCEL));
return;
}
yield put(editorChangeMode(MODES.NONE));
yield put(editorSetChanged(false));
yield put(editorSetReady(true));
yield pushPath(`/${path}/`);
}
function* checkOSRMServiceSaga() {
const routing = yield call(checkOSRMService, [new LatLng(1, 1), new LatLng(2, 2)]);
yield put(editorSetFeature({ routing }));
}
function* checkNominatimSaga() {
const nominatim = yield call(checkNominatimService);
yield put(editorSetFeature({ nominatim }));
}
export function* setReadySaga() {
yield put(editorSetReady(true));
hideLoader();
yield call(checkOSRMServiceSaga);
// TODO: someday make nominatim, but sorted by nearest points.
// yield call(checkNominatimSaga);
yield put(searchSetTab(TABS.MY));
}
function* getRenderData() {
yield put(editorSetRenderer({ info: 'Загрузка тайлов', progress: 0.1 }));
const { route, stickers, provider }: ReturnType<typeof selectMap> = yield select(selectMap);
const { distance }: ReturnType<typeof selectEditor> = yield select(selectEditor);
const canvas = <HTMLCanvasElement>document.getElementById('renderer');
canvas.width = window.innerWidth;
canvas.height = window.innerHeight;
const ctx = canvas.getContext('2d');
const geometry = getTilePlacement();
const points = getPolyPlacement(route);
const sticker_points = getStickersPlacement(stickers);
ctx.clearRect(0, 0, canvas.width, canvas.height);
const images = yield fetchImages(ctx, geometry, provider);
yield put(editorSetRenderer({ info: 'Отрисовка', progress: 0.5 }));
yield composeImages({ geometry, images, ctx });
yield composePoly({ points, ctx });
yield composeArrows({ points, ctx });
yield composeDistMark({ ctx, points, distance });
yield composeStickers({
stickers: sticker_points,
ctx,
zoom: getAdaptiveScale(MainMap.getZoom()),
});
yield put(editorSetRenderer({ info: 'Готово', progress: 1 }));
return yield canvas.toDataURL('image/jpeg');
}
function* takeAShotSaga() {
const worker = call(getRenderData);
const { result, timeout } = yield race({
result: worker,
timeout: delay(500),
});
if (timeout) yield put(editorChangeMode(MODES.SHOT_PREFETCH));
const data = yield result || worker;
yield put(editorChangeMode(MODES.NONE));
yield put(
editorSetRenderer({
data,
renderer_active: true,
width: window.innerWidth,
height: window.innerHeight,
})
);
}
function* getCropData({ x, y, width, height }) {
const { logo }: ReturnType<typeof selectMap> = yield select(selectMap);
const {
renderer: { data },
}: ReturnType<typeof selectEditor> = yield select(selectEditor);
const canvas = <HTMLCanvasElement>document.getElementById('renderer');
canvas.width = width;
canvas.height = height;
const ctx = canvas.getContext('2d');
const image = yield imageFetcher(data);
ctx.drawImage(image, -x, -y);
if (logo && LOGOS[logo][1]) {
const logoImage = yield imageFetcher(LOGOS[logo][1]);
ctx.drawImage(logoImage, width - logoImage.width, height - logoImage.height);
}
return yield canvas.toDataURL('image/jpeg');
}
function* cropAShotSaga(params) {
const { title, address }: ReturnType<typeof selectMap> = yield select(selectMap);
yield call(getCropData, params);
const canvas = document.getElementById('renderer') as HTMLCanvasElement;
downloadCanvas(canvas, (title || address).replace(/\./gi, ' '));
return yield put(editorHideRenderer());
}
function* locationChangeSaga({ location }: ReturnType<typeof editorLocationChanged>) {
const { ready }: ReturnType<typeof selectEditor> = yield select(selectEditor);
if (!ready) return;
const mode: ReturnType<typeof selectEditorMode> = yield select(selectEditorMode);
if (mode !== MODES.NONE) {
yield put(editorChangeMode(MODES.NONE));
}
yield call(loadMapFromPath);
MainMap.fitVisibleBounds({ animate: true });
}
function* keyPressedSaga({ key, target }: ReturnType<typeof editorKeyPressed>) {
if (target === 'INPUT' || target === 'TEXTAREA') {
return;
}
if (key === 'Escape') {
const {
dialog_active,
mode,
renderer: { renderer_active },
}: ReturnType<typeof selectEditor> = yield select(selectEditor);
if (renderer_active) return yield put(editorHideRenderer());
if (dialog_active) return yield put(editorSetDialogActive(false));
if (mode !== MODES.NONE) return yield put(editorChangeMode(MODES.NONE));
} else if (key === 'Delete' || key === 'c') {
const { editing } = yield select(selectEditor);
if (!editing) return;
const { mode } = yield select(selectUser);
if (mode === MODES.TRASH) {
yield put(editorClearAll());
} else {
yield put(editorChangeMode(MODES.TRASH));
}
} else if (key === 'z') {
yield put(editorUndo());
} else if (key === 'x') {
yield put(editorRedo());
}
}
function* getGPXTrackSaga() {
const { route, stickers, title, address }: ReturnType<typeof selectMap> = yield select(selectMap);
if (!route.length && !stickers.length) return;
const track = getGPXString({ route, stickers, title: title || address });
return downloadGPXTrack({ track, title });
}
function* routerCancel() {
yield put(editorChangeMode(MODES.NONE));
}
function* mapClick({ latlng }: ReturnType<typeof mapClicked>) {
const { mode }: ReturnType<typeof selectEditor> = yield select(selectEditor);
if (mode === MODES.ROUTER) {
const wp = OsrmRouter.getWaypoints().filter(point => !!point.latLng);
OsrmRouter.setWaypoints([...wp, latlng]);
}
}
function* routerSubmit() {
const route: ReturnType<typeof selectMapRoute> = yield select(selectMapRoute);
const latlngs: LatLng[] = path(['_routes', 0, 'coordinates'], OsrmRouter);
const coordinates = simplify(latlngs);
yield put(mapSetRoute([...route, ...coordinates]));
OsrmRouter.setWaypoints([]);
yield put(editorChangeMode(MODES.NONE));
}
function* cancelSave() {
yield put(
editorSetSave({
...EDITOR_INITIAL_STATE.save,
})
);
}
function* searchNominatimSaga({ search }: ReturnType<typeof editorSearchNominatim>) {
const { dialog, dialog_active }: ReturnType<typeof selectEditor> = yield select(selectEditor);
if (dialog !== DIALOGS.NOMINATIM || !dialog_active) {
yield put(editorSetDialog(DIALOGS.NOMINATIM));
yield put(editorSetDialogActive(true));
}
yield put(editorSetNominatim({ loading: true, search }));
const list = yield call(searchNominatim, search);
yield put(editorSetNominatim({ list }));
yield delay(1000); // safely wait for 1s to prevent from ddosing nominatim
yield put(editorSetNominatim({ loading: false }));
}
function* changeMode({ mode }: ReturnType<typeof editorChangeMode>) {
const current: ReturnType<typeof selectEditorMode> = yield select(selectEditorMode);
if (mode === current) {
yield put(editorSetMode(MODES.NONE));
return;
}
switch (current) {
case MODES.ROUTER:
yield put(editorSetRouter({ waypoints: [] }));
}
yield put(editorSetMode(mode));
switch (mode) {
}
}
function* changeHistory() {
const { history }: ReturnType<typeof selectEditor> = yield select(selectEditor);
const { route, stickers }: ReturnType<typeof selectMap> = yield select(selectMap);
const current =
history.records.length - 1 > history.position
? history.records.slice(0, history.position + 1)
: history.records;
const records = [...current, { route, stickers }];
const min = Math.max(0, records.length - EDITOR_HISTORY_LENGTH - 1);
const max = Math.min(records.length, EDITOR_HISTORY_LENGTH + 2);
yield put(
editorSetHistory({
records: records.slice(min, max),
position: records.slice(min, max).length - 1,
})
);
}
function* undoHistory() {
const { history }: ReturnType<typeof selectEditor> = yield select(selectEditor);
if (history.position === 0 || history.records.length <= 1) return;
const route = history.records[history.position - 1].route;
const stickers = history.records[history.position - 1].stickers;
yield put(mapSet({ route, stickers }));
yield put(editorSetHistory({ position: history.position - 1 }));
}
function* redoHistory() {
const { history }: ReturnType<typeof selectEditor> = yield select(selectEditor);
if (history.position >= history.records.length - 1) return;
const route = history.records[history.position + 1].route;
const stickers = history.records[history.position + 1].stickers;
yield put(mapSet({ route, stickers }));
yield put(editorSetHistory({ position: history.position + 1 }));
}
function* uploadGpx({ file }: ReturnType<typeof editorUploadGpx>) {
const gpx: Unwrap<typeof importGpxTrack> = yield importGpxTrack(file);
if (!gpx || !gpx.length) return;
const { list }: ReturnType<typeof selectEditorGpx> = yield select(selectEditorGpx);
yield put(
editorSetGpx({
list: [
...list,
...gpx
.filter(item => item.latlngs && item.latlngs.length)
.map(item => ({
enabled: true,
latlngs: item.latlngs,
color: getRandomColor(),
name: item.name || `Track #${list.length + 1}`,
id: uuid() as string,
})),
],
})
);
}
export function* editorSaga() {
yield takeEvery(EDITOR_ACTIONS.LOCATION_CHANGED, locationChangeSaga);
yield takeEvery(EDITOR_ACTIONS.STOP_EDITING, stopEditingSaga);
yield takeLatest(EDITOR_ACTIONS.TAKE_A_SHOT, takeAShotSaga);
yield takeLatest(EDITOR_ACTIONS.CROP_A_SHOT, cropAShotSaga);
yield takeLatest(EDITOR_ACTIONS.KEY_PRESSED, keyPressedSaga);
yield takeLatest(EDITOR_ACTIONS.GET_GPX_TRACK, getGPXTrackSaga);
yield takeLatest(EDITOR_ACTIONS.ROUTER_CANCEL, routerCancel);
yield takeLatest(MAP_ACTIONS.MAP_CLICKED, mapClick);
yield takeLatest(EDITOR_ACTIONS.ROUTER_SUBMIT, routerSubmit);
yield takeLatest(EDITOR_ACTIONS.CANCEL_SAVE, cancelSave);
yield takeLeading(EDITOR_ACTIONS.SEARCH_NOMINATIM, searchNominatimSaga);
yield takeLeading(EDITOR_ACTIONS.CHANGE_MODE, changeMode);
yield takeEvery(
[
MAP_ACTIONS.ADD_STICKER,
MAP_ACTIONS.DROP_STICKER,
MAP_ACTIONS.SET_STICKERS,
MAP_ACTIONS.SET_STICKER,
MAP_ACTIONS.SET_ROUTE,
EDITOR_ACTIONS.CAPTURE_HIPSTORY,
],
changeHistory
);
yield takeEvery(EDITOR_ACTIONS.UNDO, undoHistory);
yield takeEvery(EDITOR_ACTIONS.REDO, redoHistory);
yield takeEvery(EDITOR_ACTIONS.UPLOAD_GPX, uploadGpx);
}