- Add travel-svc microservice (Amadeus, TravelPayouts, 2GIS, OpenRouteService) - Add travel orchestrator with parallel collectors (events, POI, hotels, flights) - Add 2GIS road routing with transport cost calculation (car/bus/taxi) - Add TravelMap (2GIS MapGL) and TravelWidgets components - Add useTravelChat hook for streaming travel agent responses - Add finance heatmap providers refactor - Add SearXNG settings, API proxy routes, Docker compose updates - Update Dockerfiles, config, types, and all UI pages for consistency Made-with: Cursor
407 lines
11 KiB
Go
407 lines
11 KiB
Go
package finance
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import (
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"context"
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"encoding/json"
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"fmt"
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"net/http"
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"sort"
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"strconv"
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"strings"
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"time"
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)
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const (
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moexISSBase = "https://iss.moex.com/iss"
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coinGeckoBase = "https://api.coingecko.com/api/v3"
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)
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// fetchMOEX получает данные с Московской биржи (ISS API, бесплатно, без регистрации).
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// Документация: https://iss.moex.com/iss/reference/
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func (s *HeatmapService) fetchMOEX(ctx context.Context, _ string) (*MarketHeatmap, error) {
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// Основной режим акций Т+2, boardgroup 57
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url := moexISSBase + "/engines/stock/markets/shares/boardgroups/57/securities.json?limit=100"
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req, err := http.NewRequestWithContext(ctx, http.MethodGet, url, nil)
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if err != nil {
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return nil, err
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}
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resp, err := s.httpClient.Do(req)
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if err != nil {
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return nil, fmt.Errorf("moex request: %w", err)
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}
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defer resp.Body.Close()
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if resp.StatusCode != http.StatusOK {
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return nil, fmt.Errorf("moex returned %d", resp.StatusCode)
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}
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var raw struct {
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Securities struct {
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Columns []string `json:"columns"`
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Data [][]interface{} `json:"data"`
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} `json:"securities"`
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Marketdata struct {
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Columns []string `json:"columns"`
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Data [][]interface{} `json:"data"`
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} `json:"marketdata"`
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}
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if err := json.NewDecoder(resp.Body).Decode(&raw); err != nil {
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return nil, fmt.Errorf("moex decode: %w", err)
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}
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colIdx := func(cols []string, name string) int {
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for i, c := range cols {
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if c == name {
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return i
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}
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}
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return -1
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}
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getStr := func(row []interface{}, idx int) string {
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if idx < 0 || idx >= len(row) || row[idx] == nil {
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return ""
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}
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switch v := row[idx].(type) {
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case string:
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return v
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case float64:
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return strconv.FormatFloat(v, 'f', -1, 64)
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default:
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return ""
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}
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}
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getFloat := func(row []interface{}, idx int) float64 {
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if idx < 0 || idx >= len(row) || row[idx] == nil {
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return 0
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}
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switch v := row[idx].(type) {
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case float64:
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return v
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case string:
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f, _ := strconv.ParseFloat(v, 64)
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return f
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default:
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return 0
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}
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}
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secCols := raw.Securities.Columns
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iSECID := colIdx(secCols, "SECID")
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iSHORTNAME := colIdx(secCols, "SHORTNAME")
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iSECNAME := colIdx(secCols, "SECNAME")
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iPREVPRICE := colIdx(secCols, "PREVPRICE")
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iPREVWAPRICE := colIdx(secCols, "PREVWAPRICE")
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iISSUESIZE := colIdx(secCols, "ISSUESIZE")
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iBOARDID := colIdx(secCols, "BOARDID")
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// Только акции TQBR (основной режим), без паёв и прочего
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tickers := make([]TickerData, 0, len(raw.Securities.Data))
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marketdataBySec := make(map[string]struct{ Last, LastChangePrc float64 })
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mdCols := raw.Marketdata.Columns
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iMD_SECID := colIdx(mdCols, "SECID")
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iMD_LAST := colIdx(mdCols, "LAST")
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iMD_LASTCHANGEPRC := colIdx(mdCols, "LASTCHANGEPRC")
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for _, row := range raw.Marketdata.Data {
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sid := getStr(row, iMD_SECID)
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if sid != "" {
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marketdataBySec[sid] = struct{ Last, LastChangePrc float64 }{
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Last: getFloat(row, iMD_LAST),
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LastChangePrc: getFloat(row, iMD_LASTCHANGEPRC),
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}
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}
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}
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for _, row := range raw.Securities.Data {
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board := getStr(row, iBOARDID)
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if board != "TQBR" {
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continue
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}
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secID := getStr(row, iSECID)
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prevPrice := getFloat(row, iPREVPRICE)
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prevWAPrice := getFloat(row, iPREVWAPRICE)
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if prevPrice <= 0 {
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prevPrice = prevWAPrice
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}
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if prevPrice <= 0 {
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continue
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}
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issuesize := getFloat(row, iISSUESIZE)
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marketCap := prevPrice * issuesize
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price := prevPrice
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changePct := 0.0
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if md, ok := marketdataBySec[secID]; ok && md.Last > 0 {
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price = md.Last
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changePct = md.LastChangePrc
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} else if prevWAPrice > 0 && prevWAPrice != prevPrice {
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changePct = (prevWAPrice - prevPrice) / prevPrice * 100
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price = prevWAPrice
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}
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name := getStr(row, iSECNAME)
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if name == "" {
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name = getStr(row, iSHORTNAME)
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}
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tickers = append(tickers, TickerData{
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Symbol: secID,
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Name: name,
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Price: price,
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Change: price - prevPrice,
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ChangePercent: changePct,
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MarketCap: marketCap,
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Volume: 0,
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Sector: "Акции",
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Color: colorForChange(changePct),
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Size: marketCap,
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PrevClose: prevPrice,
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})
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}
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if len(tickers) == 0 {
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return nil, fmt.Errorf("moex: no tickers")
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}
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sortTickersByMarketCap(tickers)
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summary := s.calculateSummaryPtr(tickers)
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sector := Sector{
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ID: "akcii",
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Name: "Акции",
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Change: summary.AverageChange,
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MarketCap: summary.TotalMarketCap,
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Volume: summary.TotalVolume,
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TickerCount: len(tickers),
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Tickers: tickers,
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Color: colorForChange(summary.AverageChange),
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Weight: summary.TotalMarketCap,
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}
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if len(tickers) >= 5 {
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gainers := make([]TickerData, len(tickers))
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copy(gainers, tickers)
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sortTickersByChangeDesc(gainers)
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sector.TopGainers = gainers[:minInt(3, len(gainers))]
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losers := make([]TickerData, len(tickers))
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copy(losers, tickers)
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sortTickersByChangeAsc(losers)
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sector.TopLosers = losers[:minInt(3, len(losers))]
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}
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return &MarketHeatmap{
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ID: "moex",
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Title: "MOEX",
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Type: HeatmapTreemap,
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Market: "moex",
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Sectors: []Sector{sector},
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Tickers: tickers,
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Summary: *summary,
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UpdatedAt: now(),
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Colorscale: DefaultColorscale,
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}, nil
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}
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// fetchCoinGecko получает топ криптовалют с CoinGecko (бесплатно, без API ключа).
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// Документация: https://www.coingecko.com/en/api
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func (s *HeatmapService) fetchCoinGecko(ctx context.Context, _ string) (*MarketHeatmap, error) {
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url := coinGeckoBase + "/coins/markets?vs_currency=usd&order=market_cap_desc&per_page=50&page=1"
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req, err := http.NewRequestWithContext(ctx, http.MethodGet, url, nil)
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if err != nil {
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return nil, err
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}
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req.Header.Set("Accept", "application/json")
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resp, err := s.httpClient.Do(req)
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if err != nil {
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return nil, fmt.Errorf("coingecko request: %w", err)
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}
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defer resp.Body.Close()
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if resp.StatusCode != http.StatusOK {
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return nil, fmt.Errorf("coingecko returned %d", resp.StatusCode)
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}
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var list []struct {
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ID string `json:"id"`
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Symbol string `json:"symbol"`
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Name string `json:"name"`
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CurrentPrice float64 `json:"current_price"`
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MarketCap float64 `json:"market_cap"`
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PriceChange24h *float64 `json:"price_change_percentage_24h"`
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TotalVolume float64 `json:"total_volume"`
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}
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if err := json.NewDecoder(resp.Body).Decode(&list); err != nil {
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return nil, fmt.Errorf("coingecko decode: %w", err)
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}
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tickers := make([]TickerData, 0, len(list))
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for _, c := range list {
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chg := 0.0
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if c.PriceChange24h != nil {
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chg = *c.PriceChange24h
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}
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sym := strings.ToUpper(c.Symbol)
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tickers = append(tickers, TickerData{
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Symbol: sym,
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Name: c.Name,
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Price: c.CurrentPrice,
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ChangePercent: chg,
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Change: c.CurrentPrice * chg / 100,
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MarketCap: c.MarketCap,
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Volume: c.TotalVolume,
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Sector: "Криптовалюты",
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Color: colorForChange(chg),
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Size: c.MarketCap,
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})
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}
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if len(tickers) == 0 {
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return nil, fmt.Errorf("coingecko: no tickers")
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}
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summary := s.calculateSummaryPtr(tickers)
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sector := Sector{
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ID: "crypto",
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Name: "Криптовалюты",
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Change: summary.AverageChange,
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MarketCap: summary.TotalMarketCap,
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Volume: summary.TotalVolume,
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TickerCount: len(tickers),
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Tickers: tickers,
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Color: colorForChange(summary.AverageChange),
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Weight: summary.TotalMarketCap,
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}
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byGain := make([]TickerData, len(tickers))
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copy(byGain, tickers)
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sortTickersByChangeDesc(byGain)
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if len(byGain) >= 3 {
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sector.TopGainers = byGain[:3]
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}
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byLoss := make([]TickerData, len(tickers))
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copy(byLoss, tickers)
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sortTickersByChangeAsc(byLoss)
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if len(byLoss) >= 3 {
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sector.TopLosers = byLoss[:3]
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}
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return &MarketHeatmap{
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ID: "crypto",
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Title: "Криптовалюты",
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Type: HeatmapTreemap,
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Market: "crypto",
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Sectors: []Sector{sector},
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Tickers: tickers,
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Summary: *summary,
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UpdatedAt: now(),
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Colorscale: DefaultColorscale,
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}, nil
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}
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// fetchForexCBR получает курсы валют ЦБ РФ (бесплатно, без ключа).
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func (s *HeatmapService) fetchForexCBR(ctx context.Context, _ string) (*MarketHeatmap, error) {
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url := "https://www.cbr-xml-daily.ru/daily_json.js"
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req, err := http.NewRequestWithContext(ctx, http.MethodGet, url, nil)
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if err != nil {
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return nil, err
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}
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resp, err := s.httpClient.Do(req)
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if err != nil {
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return nil, fmt.Errorf("cbr request: %w", err)
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}
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defer resp.Body.Close()
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if resp.StatusCode != http.StatusOK {
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return nil, fmt.Errorf("cbr returned %d", resp.StatusCode)
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}
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var raw struct {
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Valute map[string]struct {
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CharCode string `json:"CharCode"`
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Name string `json:"Name"`
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Value float64 `json:"Value"`
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Previous float64 `json:"Previous"`
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} `json:"Valute"`
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}
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if err := json.NewDecoder(resp.Body).Decode(&raw); err != nil {
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return nil, fmt.Errorf("cbr decode: %w", err)
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}
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tickers := make([]TickerData, 0, len(raw.Valute))
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for _, v := range raw.Valute {
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if v.Previous <= 0 {
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continue
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}
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chg := (v.Value - v.Previous) / v.Previous * 100
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tickers = append(tickers, TickerData{
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Symbol: v.CharCode,
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Name: v.Name,
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Price: v.Value,
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PrevClose: v.Previous,
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Change: v.Value - v.Previous,
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ChangePercent: chg,
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Sector: "Валюты",
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Color: colorForChange(chg),
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})
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}
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if len(tickers) == 0 {
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return nil, fmt.Errorf("cbr: no rates")
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}
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summary := s.calculateSummaryPtr(tickers)
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sector := Sector{
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ID: "forex",
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Name: "Валюты",
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Change: summary.AverageChange,
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TickerCount: len(tickers),
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Tickers: tickers,
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Color: colorForChange(summary.AverageChange),
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}
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return &MarketHeatmap{
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ID: "forex",
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Title: "Валюты (ЦБ РФ)",
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Type: HeatmapTreemap,
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Market: "forex",
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Sectors: []Sector{sector},
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Tickers: tickers,
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Summary: *summary,
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UpdatedAt: now(),
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Colorscale: DefaultColorscale,
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}, nil
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}
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func colorForChange(change float64) string {
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if change >= 5 {
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return "#22c55e"
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}
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if change >= 3 {
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return "#4ade80"
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}
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if change >= 1 {
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return "#86efac"
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}
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if change >= 0 {
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return "#bbf7d0"
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}
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if change >= -1 {
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return "#fecaca"
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}
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if change >= -3 {
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return "#fca5a5"
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}
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if change >= -5 {
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return "#f87171"
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}
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return "#ef4444"
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}
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func now() time.Time { return time.Now() }
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func minInt(a, b int) int {
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if a < b {
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return a
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}
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return b
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}
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func sortTickersByMarketCap(t []TickerData) {
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sort.Slice(t, func(i, j int) bool { return t[i].MarketCap > t[j].MarketCap })
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}
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func sortTickersByChangeDesc(t []TickerData) {
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sort.Slice(t, func(i, j int) bool { return t[i].ChangePercent > t[j].ChangePercent })
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}
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func sortTickersByChangeAsc(t []TickerData) {
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sort.Slice(t, func(i, j int) bool { return t[i].ChangePercent < t[j].ChangePercent })
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}
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