Map caching, clickhouse test service

.env.example

@@ -0,0 +1,14 @@
+REDIS_HOST=
+REDIS_PORT=
+REDIS_PASSWORD=
+POSTGRES_HOST=
+POSTGRES_DB=
+POSTGRES_USER=
+POSTGRES_PASSWORD=
+POSTGRES_PORT=
+EMS_PORT=
+MONITOR_PORT=
+CLICKHOUSE_DB=
+CLICKHOUSE_USER=
+CLICKHOUSE_DEFAULT_ACCESS_MANAGEMENT=
+CLICKHOUSE_PASSWORD=

client/src/App.tsx

@@ -15,10 +15,11 @@ import Documents from "./pages/Documents"
 import Reports from "./pages/Reports"
 import Boilers from "./pages/Boilers"
 import Servers from "./pages/Servers"
-import { Api, Assignment, Cloud, Factory, Home, Login, Map, Password, People, Settings as SettingsIcon, Shield, Storage } from "@mui/icons-material"
+import { Api, Assignment, Cloud, Factory, Home, Login, Map, MonitorHeart, Password, People, Settings as SettingsIcon, Shield, Storage } from "@mui/icons-material"
 import Settings from "./pages/Settings"
 import PasswordReset from "./pages/auth/PasswordReset"
 import MapTest from "./pages/MapTest"
+import MonitorPage from "./pages/MonitorPage"
 
 // Определение страниц с путями и компонентом для рендера
 export const pages = [
@@ -126,6 +127,14 @@ export const pages = [
     drawer: true,
     dashboard: true
   },
+  {
+    label: "Монитор",
+    path: "/monitor",
+    icon: <MonitorHeart />,
+    component: <MonitorPage />,
+    drawer: true,
+    dashboard: true
+  },
 ]
 
 function App() {

client/src/components/map/MapComponent.tsx

@@ -4,32 +4,20 @@ import 'ol/ol.css'
 import Map from 'ol/Map'
 import View from 'ol/View'
 import { Draw, Modify, Select, Snap, Translate } from 'ol/interaction'
-import { OSM, Source, Vector as VectorSource, XYZ } from 'ol/source'
+import { OSM, Vector as VectorSource, XYZ } from 'ol/source'
 import { Tile as TileLayer, Vector as VectorLayer } from 'ol/layer'
-import { get, Projection, transform, transformExtent } from 'ol/proj'
+import { Divider, IconButton, Slider, Stack, Select as MUISelect, MenuItem, Box } from '@mui/material'
-import { Divider, IconButton, Slider, Stack, Select as MUISelect, MenuItem, Container, Box } from '@mui/material'
+import { Adjust, Api, CircleOutlined, OpenWith, RectangleOutlined, Rule, Straighten, Timeline, Undo, Warning } from '@mui/icons-material'
-import { Adjust, Api, CircleOutlined, DoubleArrow, FeaturedVideoSharp, Handyman, OpenWith, RectangleOutlined, Timeline, Undo, Warning } from '@mui/icons-material'
 import { Type } from 'ol/geom/Geometry'
-import { altKeyOnly, click, doubleClick, noModifierKeys, platformModifierKey, pointerMove, shiftKeyOnly, singleClick } from 'ol/events/condition'
+import { click, noModifierKeys, shiftKeyOnly } from 'ol/events/condition'
-import Feature, { FeatureLike } from 'ol/Feature'
+import Feature from 'ol/Feature'
-import Style from 'ol/style/Style'
-import Fill from 'ol/style/Fill'
-import Stroke from 'ol/style/Stroke'
-import { FlatStyleLike } from 'ol/style/flat'
 import { SatelliteMapsProvider } from '../../interfaces/map'
-import Tile from 'ol/Tile'
+import { containsExtent } from 'ol/extent'
-import ImageTile from 'ol/ImageTile'
+import { drawingLayerStyle, regionsLayerStyle, selectStyle } from './MapStyles'
-import { createXYZ, TileGrid } from 'ol/tilegrid'
+import { googleMapsSatelliteSource, regionsLayerSource, yandexMapsSatelliteSource } from './MapSources'
-import { TileCoord } from 'ol/tilecoord'
+import { mapCenter, mapExtent } from './MapConstants'
-import { register } from 'ol/proj/proj4'
-import proj4 from 'proj4'
 
 const MapComponent = () => {
-    proj4.defs('EPSG:3395', '+proj=merc +lon_0=0 +k=1 +x_0=0 +y_0=0 +datum=WGS84 +units=m +no_defs')
-    register(proj4);
-    const yandexProjection = get('EPSG:3395')?.setExtent([-20037508.342789244, -20037508.342789244, 20037508.342789244, 20037508.342789244]) || 'EPSG:3395'
-
-
     const mapElement = useRef<HTMLDivElement | null>(null)
     const [currentTool, setCurrentTool] = useState<Type | null>(null)
 
@@ -37,18 +25,9 @@ const MapComponent = () => {
 
     const [satMapsProvider, setSatMapsProvider] = useState<SatelliteMapsProvider>('yandex')
 
-    const gMapsSatSource = useRef<XYZ>(new XYZ({
+    const gMapsSatSource = useRef<XYZ>(googleMapsSatelliteSource)
-        //url: `https://khms2.google.com/kh/v=984?x={x}&y={y}&z={z}`,
-        url: `http://localhost:5000/tile/google/{z}/{x}/{y}`,
-        attributions: 'Map data © Google'
-    }))
 
-    const yMapsSatSource = useRef<XYZ>(new XYZ({
+    const yMapsSatSource = useRef<XYZ>(yandexMapsSatelliteSource)
-        //url: `https://sat0{1-4}.maps.yandex.net/tiles?l=sat&x={x}&y={y}&z={z}&scale=1&lang=ru_RU&client_id=yandex-web-maps`,
-        url: `https://core-sat.maps.yandex.net/tiles?l=sat&x={x}&y={y}&z={z}&scale=1&lang=ru_RU`,
-        attributions: 'Map data © Yandex',
-        projection: yandexProjection,
-    }))
 
     const satLayer = useRef<TileLayer>(new TileLayer({
         source: gMapsSatSource.current,
@@ -56,60 +35,27 @@ const MapComponent = () => {
 
     const draw = useRef<Draw | null>(null)
     const snap = useRef<Snap | null>(null)
-    const selectFeature = useRef<Select | null>(null)
+
+    const selectFeature = useRef<Select>(new Select({
+        condition: function (mapBrowserEvent) {
+            return click(mapBrowserEvent) && shiftKeyOnly(mapBrowserEvent);
+        },
+    }))
 
     const drawingLayer = useRef<VectorLayer | null>(null)
     const drawingLayerSource = useRef<VectorSource>(new VectorSource())
 
     const regionsLayer = useRef<VectorLayer>(new VectorLayer({
-        source: new VectorSource({
+        source: regionsLayerSource,
-            url: 'sakha_republic.geojson',
+        style: regionsLayerStyle
-            format: new GeoJSON(),
-        }),
-        style: new Style({
-            stroke: new Stroke({
-                color: 'blue',
-                width: 1,
-            }),
-            fill: new Fill({
-                color: 'rgba(0, 0, 255, 0.1)',
-            }),
-        }),
     }))
 
-    const selectStyle = new Style({
-        fill: new Fill({
-            color: 'rgba(0, 0, 255, 0.3)',
-        }),
-        stroke: new Stroke({
-            color: 'rgba(255, 255, 255, 0.7)',
-            width: 2,
-        }),
-    })
-
     const selectedRegion = useRef<Feature | null>(null)
 
-    const geoLayer = useRef<VectorLayer | null>(null)
+    const baseLayer = useRef<TileLayer>(new TileLayer({
-
+        source: new OSM(),
-    const geoLayerSource = useRef<VectorSource>(new VectorSource({
-        url: 'https://openlayers.org/data/vector/ecoregions.json',
-        format: new GeoJSON(),
     }))
 
-    const baseLayer = useRef<TileLayer | null>(null)
-
-    const geoLayerStyle: FlatStyleLike = {
-        'fill-color': ['string', ['get', 'COLOR'], '#eee'],
-    }
-
-    const drawingLayerStyle: FlatStyleLike = {
-        'fill-color': 'rgba(255, 255, 255, 0.2)',
-        'stroke-color': '#ffcc33',
-        'stroke-width': 2,
-        'circle-radius': 7,
-        'circle-fill-color': '#ffcc33',
-    }
-
     const addInteractions = () => {
         if (currentTool) {
             draw.current = new Draw({
@@ -156,60 +102,43 @@ const MapComponent = () => {
         }
     }
 
+    const zoomToFeature = (feature: Feature) => {
+        const geometry = feature.getGeometry()
+        const extent = geometry?.getExtent()
+
+        if (map.current && extent) {
+            map.current.getView().fit(extent, {
+                duration: 300,
+                maxZoom: 19,
+            })
+        }
+    }
+
     useEffect(() => {
-        geoLayer.current = new VectorLayer({
-            background: '#1a2b39',
-            source: geoLayerSource.current,
-            style: geoLayerStyle,
-        })
-
-        baseLayer.current = new TileLayer({
-            source: new OSM(),
-        })
-
         drawingLayer.current = new VectorLayer({
             source: drawingLayerSource.current,
             style: drawingLayerStyle,
         })
 
-        // Center coordinates of Yakutia in EPSG:3857
-        const center = transform([129.7578941, 62.030804], 'EPSG:4326', 'EPSG:3857')
-
-        // Extent for Yakutia in EPSG:4326
-        const extent4326 = [105.0, 55.0, 170.0, 75.0] // Approximate bounding box
-        // Transform extent to EPSG:3857
-        const extent = transformExtent(extent4326, 'EPSG:4326', 'EPSG:3857')
-
         map.current = new Map({
             layers: [baseLayer.current, satLayer.current, regionsLayer.current, drawingLayer.current],
             target: mapElement.current as HTMLDivElement,
             view: new View({
-                center,
+                center: mapCenter,
                 zoom: 2,
-                extent: [
+                maxZoom: 21,
-                    11388546.533293726,
+                extent: mapExtent,
-                    7061866.113051185,
-                    18924313.434856508,
-                    13932243.11199202
-                ],
             }),
         })
 
         const modify = new Modify({ source: drawingLayerSource.current })
         map.current.addInteraction(modify)
 
-        selectFeature.current = new Select({
-            condition: function (mapBrowserEvent) {
-                return click(mapBrowserEvent) && shiftKeyOnly(mapBrowserEvent);
-            },
-        })
         map.current.addInteraction(selectFeature.current)
 
         selectFeature.current.on('select', (e) => {
             const selectedFeatures = e.selected
 
-            console.log(selectedFeatures)
-
             if (selectedFeatures.length > 0) {
                 selectedFeatures.forEach((feature) => {
                     drawingLayerSource.current?.removeFeature(feature)
@@ -219,26 +148,63 @@ const MapComponent = () => {
 
         loadFeatures()
 
+        // Show current selected region
         map.current.on('pointermove', function (e) {
             if (selectedRegion.current !== null) {
                 selectedRegion.current.setStyle(undefined)
                 selectedRegion.current = null
             }
 
-            if (map.current && selectStyle !== null) {
+            if (map.current) {
                 map.current.forEachFeatureAtPixel(e.pixel, function (f) {
                     selectedRegion.current = f as Feature
-
                     selectedRegion.current.setStyle(selectStyle)
 
                     if (f.get('district')) {
                         setStatusText(f.get('district'))
                     }
+
                     return true
                 })
             }
         })
 
+        map.current.on('click', function (e) {
+            if (selectedRegion.current !== null) {
+                selectedRegion.current = null
+            }
+
+            if (map.current) {
+                map.current.forEachFeatureAtPixel(e.pixel, function (f) {
+                    selectedRegion.current = f as Feature
+                    // Zoom to the selected feature
+                    zoomToFeature(selectedRegion.current)
+
+                    return true
+                });
+            }
+
+        })
+
+        // Hide regions layer when fully visible
+        map.current.on('moveend', function () {
+            const viewExtent = map.current?.getView().calculateExtent(map.current.getSize())
+            const features = regionsLayer.current.getSource()?.getFeatures()
+
+            let isViewCovered = false
+
+            features?.forEach((feature: Feature) => {
+                const featureExtent = feature?.getGeometry()?.getExtent()
+                if (viewExtent && featureExtent) {
+                    if (containsExtent(featureExtent, viewExtent)) {
+                        isViewCovered = true
+                    }
+                }
+            })
+
+            regionsLayer.current.setVisible(!isViewCovered)
+        })
+
         return () => {
             map?.current?.setTarget(undefined)
         }
@@ -259,8 +225,6 @@ const MapComponent = () => {
 
     const [statusText, setStatusText] = useState('')
 
-    const selected = useRef<FeatureLike | null>(null)
-
     // Visibility setting
     useEffect(() => {
         satLayer.current?.setOpacity(satelliteOpacity)
@@ -352,10 +316,14 @@ const MapComponent = () => {
                 >
                     <OpenWith />
                 </IconButton>
+
+                <IconButton>
+                    <Straighten />
+                </IconButton>
             </Stack>
 
             <Box>
-                <div id="map-container" ref={mapElement} style={{ width: '100%', height: '500px', maxHeight: '100%', position: 'relative', flexGrow: 1 }}></div>
+                <div id="map-container" ref={mapElement} style={{ width: '100%', height: '600px', maxHeight: '100%', position: 'relative', flexGrow: 1 }}></div>
             </Box>
 
             <Stack>

client/src/components/map/MapConstants.ts

@@ -0,0 +1,9 @@
+import { transform } from "ol/proj"
+
+const mapExtent = [11388546.533293726, 7061866.113051185, 18924313.434856508, 13932243.11199202]
+const mapCenter = transform([129.7578941, 62.030804], 'EPSG:4326', 'EPSG:3857')
+
+export {
+    mapExtent,
+    mapCenter
+}

client/src/components/map/MapSources.ts

@@ -0,0 +1,32 @@
+import GeoJSON from "ol/format/GeoJSON";
+import { get } from "ol/proj";
+import { register } from "ol/proj/proj4";
+import { XYZ } from "ol/source";
+import VectorSource from "ol/source/Vector";
+import proj4 from "proj4";
+proj4.defs('EPSG:3395', '+proj=merc +lon_0=0 +k=1 +x_0=0 +y_0=0 +datum=WGS84 +units=m +no_defs')
+register(proj4);
+
+const yandexProjection = get('EPSG:3395')?.setExtent([-20037508.342789244, -20037508.342789244, 20037508.342789244, 20037508.342789244]) || 'EPSG:3395'
+
+const googleMapsSatelliteSource = new XYZ({
+    url: `${import.meta.env.VITE_API_EMS_URL}/tile/google/{z}/{x}/{y}`,
+    attributions: 'Map data © Google'
+})
+
+const yandexMapsSatelliteSource = new XYZ({
+    url: `${import.meta.env.VITE_API_EMS_URL}/tile/yandex/{z}/{x}/{y}`,
+    attributions: 'Map data © Yandex',
+    projection: yandexProjection,
+})
+
+const regionsLayerSource = new VectorSource({
+    url: 'sakha_republic.geojson',
+    format: new GeoJSON(),
+})
+
+export {
+    googleMapsSatelliteSource,
+    yandexMapsSatelliteSource,
+    regionsLayerSource
+}

client/src/components/map/MapStyles.ts

@@ -0,0 +1,38 @@
+import Fill from "ol/style/Fill";
+import { FlatStyleLike } from "ol/style/flat";
+import Stroke from "ol/style/Stroke";
+import Style from "ol/style/Style";
+
+const drawingLayerStyle: FlatStyleLike = {
+    'fill-color': 'rgba(255, 255, 255, 0.2)',
+    'stroke-color': '#ffcc33',
+    'stroke-width': 2,
+    'circle-radius': 7,
+    'circle-fill-color': '#ffcc33',
+}
+
+const selectStyle = new Style({
+    fill: new Fill({
+        color: 'rgba(0, 0, 255, 0.3)',
+    }),
+    stroke: new Stroke({
+        color: 'rgba(255, 255, 255, 0.7)',
+        width: 2,
+    }),
+})
+
+const regionsLayerStyle = new Style({
+    stroke: new Stroke({
+        color: 'blue',
+        width: 1,
+    }),
+    fill: new Fill({
+        color: 'rgba(0, 0, 255, 0.1)',
+    }),
+})
+
+export {
+    drawingLayerStyle,
+    selectStyle,
+    regionsLayerStyle
+}

client/src/pages/MonitorPage.tsx

@@ -0,0 +1,9 @@
+import React from 'react'
+
+function MonitorPage() {
+  return (
+    <div>Monitor</div>
+  )
+}
+
+export default MonitorPage

client/vite.config.ts.timestamp-1724631266472-b5c6d89e0dd7b.mjs

@@ -0,0 +1,14 @@
+// vite.config.ts
+import { defineConfig } from "file:///app/node_modules/vite/dist/node/index.js";
+import react from "file:///app/node_modules/@vitejs/plugin-react-swc/index.mjs";
+import { nodePolyfills } from "file:///app/node_modules/vite-plugin-node-polyfills/dist/index.js";
+var vite_config_default = defineConfig({
+  plugins: [
+    nodePolyfills(),
+    react()
+  ]
+});
+export {
+  vite_config_default as default
+};
+//# sourceMappingURL=data:application/json;base64,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

docker-compose.yml

@@ -27,6 +27,8 @@ services:
     build:
       context: ./ems
       dockerfile: Dockerfile
+    volumes:
+      - ./ems/tile_data:/app/tiles
     links:
       - redis_db:redis_db
       - psql_db:psql_db
@@ -43,6 +45,19 @@ services:
       - ${EMS_PORT}:${EMS_PORT}
     restart: always
   
+  monitor:
+    container_name: monitor
+    build:
+      context: ./monitor
+      dockerfile: Dockerfile
+    environment:
+      - MONITOR_PORT=${MONITOR_PORT}
+    ports:
+      - ${MONITOR_PORT}:${MONITOR_PORT}
+    volumes:
+      - ./monitor/data:/app/data
+    restart: always
+  
   psql_db:
     container_name: psql_db
     image: postgres:16.4-alpine
@@ -65,6 +80,17 @@ services:
       start_period: 10s
     restart: always
   
-volumes:
+  clickhouse_test:
-  redis_data:
+    container_name: clickhouse_test
-  psql_data:
+    image: clickhouse/clickhouse-server
+    environment:
+      - CLICKHOUSE_DB=${CLICKHOUSE_DB}
+      - CLICKHOUSE_USER=${CLICKHOUSE_USER}
+      - CLICKHOUSE_DEFAULT_ACCESS_MANAGEMENT=${CLICKHOUSE_DEFAULT_ACCESS_MANAGEMENT}
+      - CLICKHOUSE_PASSWORD=${CLICKHOUSE_PASSWORD}
+    ports:
+      - 8123:8123
+      - 9000:9000
+    expose:
+      - 8123
+      - 9000

ems/.gitignore

@@ -22,3 +22,6 @@ dist-ssr
 *.njsproj
 *.sln
 *.sw?
+
+# Docker volumes
+tile_data

ems/README.md

@@ -0,0 +1 @@
+# EMS (ИКС)

ems/src/index-redis.ts

@@ -0,0 +1,119 @@
+import express, { Request, Response } from 'express'
+import { Redis } from 'ioredis'
+import dotenv from 'dotenv'
+import bodyParser from 'body-parser'
+import { SatelliteMapsProvider } from './interfaces/map'
+const axios = require('axios');
+
+const cors = require('cors')
+
+const redis = new Redis({
+    port: Number(process.env.REDIS_PORT) || 6379,
+    host: process.env.REDIS_HOST,
+    password: process.env.REDIS_PASSWORD,
+})
+
+dotenv.config()
+
+const app = express()
+const port = process.env.EMS_PORT
+
+// Middleware to parse JSON requests
+app.use(bodyParser.json())
+
+const getTileUrl = (provider: string, x: string, y: string, z: string) => {
+    if (provider === 'google') {
+        return `https://khms2.google.com/kh/v=984?x=${x}&y=${y}&z=${z}`;
+    } else if (provider === 'yandex') {
+        return `https://core-sat.maps.yandex.net/tiles?l=sat&x=${x}&y=${y}&z=${z}&scale=1&lang=ru_RU`;
+    }
+    throw new Error('Invalid provider');
+}
+
+app.get('/tile/:provider/:z/:x/:y', async (req, res) => {
+    const { provider, x, y, z } = req.params;
+    const cacheKey = `${provider}:${z}:${x}:${y}`;
+
+    try {
+        // Check if tile is in cache
+        redis.get(cacheKey, async (err, cachedTile) => {
+            if (err) {
+                console.error('Redis GET error:', err);
+                return res.status(500).send('Server error');
+            }
+
+            if (cachedTile) {
+                // If cached, return tile
+                console.log('Tile served from cache');
+                const imgBuffer = Buffer.from(cachedTile, 'base64');
+                res.writeHead(200, {
+                    'Content-Type': 'image/png',
+                    'Content-Length': imgBuffer.length,
+                });
+                return res.end(imgBuffer);
+            } else {
+                // Fetch tile from provider
+                const tileUrl = getTileUrl(provider, x, y, z);
+                const response = await axios.get(tileUrl, {
+                    responseType: 'arraybuffer',
+                });
+
+                // Cache the tile in Redis
+                const base64Tile = Buffer.from(response.data).toString('base64');
+                redis.setex(cacheKey, 3600 * 24 * 30, base64Tile); // Cache for 1 hour
+
+                // Return the tile to the client
+                res.writeHead(200, {
+                    'Content-Type': 'image/png',
+                    'Content-Length': response.data.length,
+                });
+                return res.end(response.data);
+            }
+        });
+    } catch (error) {
+        console.error('Error fetching tile:', error);
+        res.status(500).send('Error fetching tile');
+    }
+})
+
+app.get('/hello', cors(), (req: Request, res: Response) => {
+    res.send('Hello, World!')
+})
+
+// Route to store GeoJSON data
+app.post('/geojson', cors(), async (req: Request, res: Response) => {
+    const geoJSON = req.body
+
+    if (!geoJSON || !geoJSON.features) {
+        return res.status(400).send('Invalid GeoJSON')
+    }
+
+    const id = `geojson:${Date.now()}`;
+    redis.set(id, JSON.stringify(geoJSON), (err, reply) => {
+        if (err) {
+            return res.status(500).send('Error saving GeoJSON to Redis');
+        }
+        res.send({ status: 'success', id });
+    })
+})
+
+// Route to fetch GeoJSON data
+app.get('/geojson/:id', cors(), async (req: Request, res: Response) => {
+    const id = req.params.id;
+
+    redis.get(id, (err, data) => {
+        if (err) {
+            return res.status(500).send('Error fetching GeoJSON from Redis');
+        }
+
+        if (data) {
+            res.send(JSON.parse(data));
+        } else {
+            res.status(404).send('GeoJSON not found');
+        }
+    })
+})
+
+app.listen(port, () => {
+    console.log(`Server running on http://localhost:${port}`);
+})

ems/src/index.ts

@@ -1,119 +1,48 @@
-import express, { Request, Response } from 'express'
+import express, { Request, Response } from 'express';
-import { Redis } from 'ioredis'
+import fs from 'fs';
-import dotenv from 'dotenv'
+import path from 'path';
-import bodyParser from 'body-parser'
+import axios from 'axios';
-import { SatelliteMapsProvider } from './interfaces/map'
-const axios = require('axios');
 
-const cors = require('cors')
+const app = express();
+const PORT = process.env.EMS_PORT;
 
-const redis = new Redis({
+const tileFolder = path.join(__dirname, '..', 'tiles');
-    port: Number(process.env.REDIS_PORT) || 6379,
-    host: process.env.REDIS_HOST,
-    password: process.env.REDIS_PASSWORD,
-})
 
-dotenv.config()
+const fetchTileFromAPI = async (provider: string, z: string, x: string, y: string): Promise<Buffer> => {
+    const url = provider === 'google'
+        ? `https://khms2.google.com/kh/v=984?x=${x}&y=${y}&z=${z}`
+        : `https://core-sat.maps.yandex.net/tiles?l=sat&x=${x}&y=${y}&z=${z}&scale=1&lang=ru_RU`;
 
-const app = express()
+    const response = await axios.get(url, { responseType: 'arraybuffer' });
-const port = process.env.EMS_PORT
+    return response.data;
+};
 
-// Middleware to parse JSON requests
+app.get('/tile/:provider/:z/:x/:y', async (req: Request, res: Response) => {
-app.use(bodyParser.json())
+    const { provider, z, x, y } = req.params;
 
-const getTileUrl = (provider: string, x: string, y: string, z: string) => {
+    if (!['google', 'yandex'].includes(provider)) {
-    if (provider === 'google') {
+        return res.status(400).send('Invalid provider');
-        return `https://khms2.google.com/kh/v=984?x=${x}&y=${y}&z=${z}`;
-    } else if (provider === 'yandex') {
-        return `https://core-sat.maps.yandex.net/tiles?l=sat&x=${x}&y=${y}&z=${z}&scale=1&lang=ru_RU`;
-    }
-    throw new Error('Invalid provider');
     }
 
-app.get('/tile/:provider/:z/:x/:y', async (req, res) => {
+    const tilePath = path.join(tileFolder, provider, z, x, `${y}.jpg`);
-    const { provider, x, y, z } = req.params;
+
-    const cacheKey = `${provider}:${z}:${x}:${y}`;
+    if (fs.existsSync(tilePath)) {
+        return res.sendFile(tilePath);
+    }
 
     try {
-        // Check if tile is in cache
+        const tileData = await fetchTileFromAPI(provider, z, x, y);
-        redis.get(cacheKey, async (err, cachedTile) => {
-            if (err) {
-                console.error('Redis GET error:', err);
-                return res.status(500).send('Server error');
-            }
 
-            if (cachedTile) {
+        fs.mkdirSync(path.dirname(tilePath), { recursive: true });
-                // If cached, return tile
-                console.log('Tile served from cache');
-                const imgBuffer = Buffer.from(cachedTile, 'base64');
-                res.writeHead(200, {
-                    'Content-Type': 'image/png',
-                    'Content-Length': imgBuffer.length,
-                });
-                return res.end(imgBuffer);
-            } else {
-                // Fetch tile from provider
-                const tileUrl = getTileUrl(provider, x, y, z);
-                const response = await axios.get(tileUrl, {
-                    responseType: 'arraybuffer',
-                });
 
-                // Cache the tile in Redis
+        fs.writeFileSync(tilePath, tileData);
-                const base64Tile = Buffer.from(response.data).toString('base64');
-                redis.setex(cacheKey, 3600 * 24 * 30, base64Tile); // Cache for 1 hour
 
-                // Return the tile to the client
+        res.contentType('image/jpeg');
-                res.writeHead(200, {
+        res.send(tileData);
-                    'Content-Type': 'image/png',
-                    'Content-Length': response.data.length,
-                });
-                return res.end(response.data);
-            }
-        });
     } catch (error) {
-        console.error('Error fetching tile:', error);
+        console.error('Error fetching tile from API:', error);
-        res.status(500).send('Error fetching tile');
+        res.status(500).send('Error fetching tile from API');
     }
-})
+});
 
-app.get('/hello', cors(), (req: Request, res: Response) => {
+app.listen(PORT, () => console.log(`Server running on port ${PORT}`));
-    res.send('Hello, World!')
-})
-
-// Route to store GeoJSON data
-app.post('/geojson', cors(), async (req: Request, res: Response) => {
-    const geoJSON = req.body
-
-    if (!geoJSON || !geoJSON.features) {
-        return res.status(400).send('Invalid GeoJSON')
-    }
-
-    const id = `geojson:${Date.now()}`;
-    redis.set(id, JSON.stringify(geoJSON), (err, reply) => {
-        if (err) {
-            return res.status(500).send('Error saving GeoJSON to Redis');
-        }
-        res.send({ status: 'success', id });
-    })
-})
-
-// Route to fetch GeoJSON data
-app.get('/geojson/:id', cors(), async (req: Request, res: Response) => {
-    const id = req.params.id;
-
-    redis.get(id, (err, data) => {
-        if (err) {
-            return res.status(500).send('Error fetching GeoJSON from Redis');
-        }
-
-        if (data) {
-            res.send(JSON.parse(data));
-        } else {
-            res.status(404).send('GeoJSON not found');
-        }
-    })
-})
-
-app.listen(port, () => {
-    console.log(`Server running on http://localhost:${port}`);
-})

monitor/.gitignore

@@ -0,0 +1,177 @@
+# Based on https://raw.githubusercontent.com/github/gitignore/main/Node.gitignore
+
+# Logs
+
+logs
+_.log
+npm-debug.log_
+yarn-debug.log*
+yarn-error.log*
+lerna-debug.log*
+.pnpm-debug.log*
+
+# Caches
+
+.cache
+
+# Diagnostic reports (https://nodejs.org/api/report.html)
+
+report.[0-9]_.[0-9]_.[0-9]_.[0-9]_.json
+
+# Runtime data
+
+pids
+_.pid
+_.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+
+lib-cov
+
+# Coverage directory used by tools like istanbul
+
+coverage
+*.lcov
+
+# nyc test coverage
+
+.nyc_output
+
+# Grunt intermediate storage (https://gruntjs.com/creating-plugins#storing-task-files)
+
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+
+bower_components
+
+# node-waf configuration
+
+.lock-wscript
+
+# Compiled binary addons (https://nodejs.org/api/addons.html)
+
+build/Release
+
+# Dependency directories
+
+node_modules/
+jspm_packages/
+
+# Snowpack dependency directory (https://snowpack.dev/)
+
+web_modules/
+
+# TypeScript cache
+
+*.tsbuildinfo
+
+# Optional npm cache directory
+
+.npm
+
+# Optional eslint cache
+
+.eslintcache
+
+# Optional stylelint cache
+
+.stylelintcache
+
+# Microbundle cache
+
+.rpt2_cache/
+.rts2_cache_cjs/
+.rts2_cache_es/
+.rts2_cache_umd/
+
+# Optional REPL history
+
+.node_repl_history
+
+# Output of 'npm pack'
+
+*.tgz
+
+# Yarn Integrity file
+
+.yarn-integrity
+
+# dotenv environment variable files
+
+.env
+.env.development.local
+.env.test.local
+.env.production.local
+.env.local
+
+# parcel-bundler cache (https://parceljs.org/)
+
+.parcel-cache
+
+# Next.js build output
+
+.next
+out
+
+# Nuxt.js build / generate output
+
+.nuxt
+dist
+
+# Gatsby files
+
+# Comment in the public line in if your project uses Gatsby and not Next.js
+
+# https://nextjs.org/blog/next-9-1#public-directory-support
+
+# public
+
+# vuepress build output
+
+.vuepress/dist
+
+# vuepress v2.x temp and cache directory
+
+.temp
+
+# Docusaurus cache and generated files
+
+.docusaurus
+
+# Serverless directories
+
+.serverless/
+
+# FuseBox cache
+
+.fusebox/
+
+# DynamoDB Local files
+
+.dynamodb/
+
+# TernJS port file
+
+.tern-port
+
+# Stores VSCode versions used for testing VSCode extensions
+
+.vscode-test
+
+# yarn v2
+
+.yarn/cache
+.yarn/unplugged
+.yarn/build-state.yml
+.yarn/install-state.gz
+.pnp.*
+
+# IntelliJ based IDEs
+.idea
+
+# Finder (MacOS) folder config
+.DS_Store
+
+data

monitor/Dockerfile

@@ -0,0 +1,19 @@
+# Start with an official lightweight image
+FROM oven/bun:slim
+
+# Set the working directory in the container
+WORKDIR /app
+
+# Copy the current directory contents into the container at /app
+COPY . .
+
+# Install project dependencies
+RUN bun install
+
+ENV MONITOR_PORT=$MONITOR_PORT
+
+# Expose the port the app runs on
+EXPOSE $MONITOR_PORT
+
+# Command to run the application
+CMD ["bun", "index.ts"]

monitor/README.md

@@ -0,0 +1,15 @@
+# monitor
+
+To install dependencies:
+
+```bash
+bun install
+```
+
+To run:
+
+```bash
+bun run index.ts
+```
+
+This project was created using `bun init` in bun v1.1.21. [Bun](https://bun.sh) is a fast all-in-one JavaScript runtime.

monitor/index.ts

@@ -0,0 +1,97 @@
+import { serve } from 'bun';
+import { Database } from 'bun:sqlite';
+
+const db = new Database('./data/servers.db');
+
+// Initialize the database table if it doesn't exist
+db.run(`
+    CREATE TABLE IF NOT EXISTS servers (
+        id INTEGER PRIMARY KEY AUTOINCREMENT,
+        name TEXT NOT NULL,
+        ip TEXT NOT NULL,
+        ping_rate INTEGER NOT NULL
+    )
+`);
+
+// Function to check server availability
+async function checkServer(server: { name: string; ip: string; ping_rate: number; }) {
+    try {
+        const response = await Bun.spawn(['ping', '-c', '1', server.ip]);
+        if (response.exitCode === 0) {
+            console.log(`[${new Date().toISOString()}] ${server.name} (${server.ip}) is up.`);
+        } else {
+            console.error(`[${new Date().toISOString()}] ${server.name} (${server.ip}) is down!`);
+        }
+    } catch (error) {
+        console.error(`[${new Date().toISOString()}] Error pinging ${server.name} (${server.ip}):`, error);
+    }
+}
+
+// Function to monitor servers based on their individual ping rates
+async function monitorServer(server: any) {
+    while (true) {
+        await checkServer(server);
+        await new Promise(resolve => setTimeout(resolve, server.ping_rate));
+    }
+}
+
+// Start monitoring all servers
+async function startMonitoring() {
+    const servers = db.query(`SELECT * FROM servers`).all();
+    servers.forEach(server => monitorServer(server));
+}
+
+// Start monitoring in the background
+startMonitoring();
+
+// API Server to manage servers
+const server = serve({
+    port: process.env.MONITOR_PORT || 1234,
+    fetch: async (req) => {
+        const url = new URL(req.url);
+        const pathname = url.pathname;
+        const method = req.method;
+
+        if (pathname === '/servers' && method === 'GET') {
+            const servers = db.query(`SELECT * FROM servers`).all();
+            return new Response(JSON.stringify(servers), {
+                headers: { 'Content-Type': 'application/json' },
+            });
+        }
+
+        if (pathname === '/server' && method === 'POST') {
+            const data = await req.json();
+            const { name, ip, ping_rate } = data;
+
+            if (!name || !ip || !ping_rate) {
+                return new Response('Missing fields', { status: 400 });
+            }
+
+            db.run(
+                `INSERT INTO servers (name, ip, ping_rate) VALUES (?, ?, ?)`,
+                name, ip, ping_rate
+            );
+            return new Response('Server added', { status: 201 });
+        }
+
+        if (pathname.startsWith('/server/') && method === 'PUT') {
+            const id = pathname.split('/').pop();
+            const data = await req.json();
+            const { name, ip, ping_rate } = data;
+
+            if (!id || !name || !ip || !ping_rate) {
+                return new Response('Missing fields', { status: 400 });
+            }
+
+            db.run(
+                `UPDATE servers SET name = ?, ip = ?, ping_rate = ? WHERE id = ?`,
+                name, ip, ping_rate, id
+            );
+            return new Response('Server updated', { status: 200 });
+        }
+
+        return new Response('Not Found', { status: 404 });
+    },
+});
+
+console.log(`API server and monitoring running on http://localhost:${server.port}`);

monitor/package.json

@@ -0,0 +1,11 @@
+{
+  "name": "monitor",
+  "module": "index.ts",
+  "type": "module",
+  "devDependencies": {
+    "@types/bun": "latest"
+  },
+  "peerDependencies": {
+    "typescript": "^5.0.0"
+  }
+}

monitor/tsconfig.json

@@ -0,0 +1,27 @@
+{
+  "compilerOptions": {
+    // Enable latest features
+    "lib": ["ESNext", "DOM"],
+    "target": "ESNext",
+    "module": "ESNext",
+    "moduleDetection": "force",
+    "jsx": "react-jsx",
+    "allowJs": true,
+
+    // Bundler mode
+    "moduleResolution": "bundler",
+    "allowImportingTsExtensions": true,
+    "verbatimModuleSyntax": true,
+    "noEmit": true,
+
+    // Best practices
+    "strict": true,
+    "skipLibCheck": true,
+    "noFallthroughCasesInSwitch": true,
+
+    // Some stricter flags (disabled by default)
+    "noUnusedLocals": false,
+    "noUnusedParameters": false,
+    "noPropertyAccessFromIndexSignature": false
+  }
+}