Merge pull request #386 from bounswe/financial_data_endpoints

Implement YahooFinance endpoints.

backend/src/main/java/com/bounswe2024group10/Tradeverse/config/SecurityConfig.java

@@ -30,6 +30,7 @@ public SecurityFilterChain filterChain(HttpSecurity http) throws Exception {
                     .requestMatchers("/swagger-ui/**", "/v3/api-docs/**").permitAll()
                     .requestMatchers("/api/auth/validate-token").permitAll()
                     .requestMatchers("/api/user/**").permitAll()
+                    .requestMatchers("/api/asset/**").permitAll()
                     .anyRequest().authenticated()
             );
         return http.build();

backend/src/main/java/com/bounswe2024group10/Tradeverse/controller/AssetController.java

@@ -0,0 +1,28 @@
+package com.bounswe2024group10.Tradeverse.controller;
+
+import com.bounswe2024group10.Tradeverse.dto.asset.*;
+import com.bounswe2024group10.Tradeverse.service.AssetService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+
+@RestController
+@RequestMapping("/api/asset")
+public class AssetController {
+    @Autowired
+    private AssetService assetService;
+
+    @CrossOrigin(origins = "*", allowedHeaders = "*")
+    @GetMapping("/details")
+    public ResponseEntity<GetAssetDetailsResponse> getAssetDetails(@RequestBody GetAssetDetailsRequest request) {
+        GetAssetDetailsResponse response = assetService.getAssetDetails(request);
+        return ResponseEntity.ok(response);
+    }
+
+    @CrossOrigin(origins = "*", allowedHeaders = "*")
+    @GetMapping("/chart")
+    public ResponseEntity<GetAssetChartResponse> getAssetChart(@RequestBody GetAssetChartRequest request) {
+        GetAssetChartResponse response = assetService.getAssetChart(request);
+        return ResponseEntity.ok(response);
+    }
+}

backend/src/main/java/com/bounswe2024group10/Tradeverse/dto/asset/ChartData.java

@@ -0,0 +1,49 @@
+package com.bounswe2024group10.Tradeverse.dto.asset;
+
+public class ChartData {
+    private Long timestamp;
+    private float high;
+    private float low;
+    private float close;
+    private float open;
+
+    public Long getTimestamp() {
+        return timestamp;
+    }
+
+    public void setTimestamp(Long timestamp) {
+        this.timestamp = timestamp;
+    }
+
+    public float getHigh() {
+        return high;
+    }
+
+    public void setHigh(float high) {
+        this.high = high;
+    }
+
+    public float getLow() {
+        return low;
+    }
+
+    public void setLow(float low) {
+        this.low = low;
+    }
+
+    public float getClose() {
+        return close;
+    }
+
+    public void setClose(float close) {
+        this.close = close;
+    }
+
+    public float getOpen() {
+        return open;
+    }
+
+    public void setOpen(float open) {
+        this.open = open;
+    }
+}

backend/src/main/java/com/bounswe2024group10/Tradeverse/dto/asset/GetAssetChartRequest.java

@@ -0,0 +1,13 @@
+package com.bounswe2024group10.Tradeverse.dto.asset;
+
+public class GetAssetChartRequest {
+    private String symbol;
+
+    public String getSymbol() {
+        return symbol;
+    }
+
+    public void setSymbol(String symbol) {
+        this.symbol = symbol;
+    }
+} 

backend/src/main/java/com/bounswe2024group10/Tradeverse/dto/asset/GetAssetChartResponse.java

@@ -0,0 +1,24 @@
+package com.bounswe2024group10.Tradeverse.dto.asset;
+
+import java.util.List;
+
+public class GetAssetChartResponse {
+    private String symbol;
+    private List<ChartData> chart;
+
+    public String getSymbol() {
+        return symbol;
+    }
+
+    public void setSymbol(String symbol) {
+        this.symbol = symbol;
+    }
+
+    public List<ChartData> getChart() {
+        return chart;
+    }
+
+    public void setChart(List<ChartData> chart) {
+        this.chart = chart;
+    }
+} 

backend/src/main/java/com/bounswe2024group10/Tradeverse/dto/asset/GetAssetDetailsRequest.java

@@ -0,0 +1,13 @@
+package com.bounswe2024group10.Tradeverse.dto.asset;
+
+public class GetAssetDetailsRequest {
+    private String symbol;
+
+    public String getSymbol() {
+        return symbol;
+    }
+
+    public void setSymbol(String symbol) {
+        this.symbol = symbol;
+    }
+}

backend/src/main/java/com/bounswe2024group10/Tradeverse/dto/asset/GetAssetDetailsResponse.java

@@ -0,0 +1,49 @@
+package com.bounswe2024group10.Tradeverse.dto.asset;
+
+public class GetAssetDetailsResponse {
+    private String symbol;
+    private String exchangeName;
+    private float lastPrice;
+    private float todayVolume;
+    private String longName;
+
+    public String getSymbol() {
+        return symbol;
+    }
+
+    public void setSymbol(String symbol) {
+        this.symbol = symbol;
+    }
+
+    public String getExchangeName() {
+        return exchangeName;
+    }
+
+    public void setExchangeName(String exchangeName) {
+        this.exchangeName = exchangeName;
+    }
+
+    public float getLastPrice() {
+        return lastPrice;
+    }
+
+    public void setLastPrice(float lastPrice) {
+        this.lastPrice = lastPrice;
+    }
+
+    public float getTodayVolume() {
+        return todayVolume;
+    }
+
+    public void setTodayVolume(float todayVolume) {
+        this.todayVolume = todayVolume;
+    }
+
+    public String getLongName() {
+        return longName;
+    }
+
+    public void setLongName(String longName) {
+        this.longName = longName;
+    }
+}

backend/src/main/java/com/bounswe2024group10/Tradeverse/dto/asset/YahooFinanceChartResponse.java

@@ -0,0 +1,78 @@
+package com.bounswe2024group10.Tradeverse.dto.asset;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+
+public class YahooFinanceChartResponse {
+    private Chart chart;
+
+    public static class Chart {
+        private Result[] result;
+        private String error;
+
+        public Result[] getResult() {
+            return result;
+        }
+    }
+
+    public static class Result {
+        private Meta meta;
+        private long[] timestamp;
+        private Indicators indicators;
+
+        public Meta getMeta() {
+            return meta;
+        }
+
+        public long[] getTimestamp() {
+            return timestamp;
+        }
+
+        public Indicators getIndicators() {
+            return indicators;
+        }
+    }
+
+    public static class Indicators {
+        private Quote[] quote;
+
+        public Quote[] getQuote() {
+            return quote;
+        }
+    }
+
+    public static class Quote {
+        private Float[] high;
+        private Float[] low;
+        private Float[] close;
+        private Float[] open;
+        private Long[] volume;
+
+        public Float[] getHigh() { return high; }
+        public Float[] getLow() { return low; }
+        public Float[] getClose() { return close; }
+        public Float[] getOpen() { return open; }
+        public Long[] getVolume() { return volume; }
+    }
+
+    public static class Meta {
+        private String symbol;
+        @JsonProperty("fullExchangeName")
+        private String exchangeName;
+        @JsonProperty("regularMarketPrice")
+        private float lastPrice;
+        @JsonProperty("regularMarketVolume")
+        private float todayVolume;
+        private String longName;
+
+        // Getters
+        public String getSymbol() { return symbol; }
+        public String getExchangeName() { return exchangeName; }
+        public float getLastPrice() { return lastPrice; }
+        public float getTodayVolume() { return todayVolume; }
+        public String getLongName() { return longName; }
+    }
+
+    public Chart getChart() {
+        return chart;
+    }
+}

backend/src/main/java/com/bounswe2024group10/Tradeverse/service/AssetService.java

@@ -0,0 +1,74 @@
+package com.bounswe2024group10.Tradeverse.service;
+
+import com.bounswe2024group10.Tradeverse.dto.asset.*;
+import org.springframework.stereotype.Service;
+import org.springframework.web.client.RestTemplate;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.HttpEntity;
+import org.springframework.http.ResponseEntity;
+import java.util.ArrayList;
+import java.util.List;
+
+@Service
+public class AssetService {
+    public GetAssetDetailsResponse getAssetDetails(GetAssetDetailsRequest request) {
+        RestTemplate restTemplate = new RestTemplate();
+        String url = "https://query1.finance.yahoo.com/v8/finance/chart/" + request.getSymbol();
+        ResponseEntity<YahooFinanceChartResponse> financialData = restTemplate.getForEntity(url, YahooFinanceChartResponse.class);
+        YahooFinanceChartResponse yahooResponse = financialData.getBody();
+        if (yahooResponse == null || yahooResponse.getChart() == null 
+            || yahooResponse.getChart().getResult() == null 
+            || yahooResponse.getChart().getResult().length == 0
+            || yahooResponse.getChart().getResult()[0].getMeta() == null) {
+            throw new RuntimeException("Failed to get asset details");
+        }
+        YahooFinanceChartResponse.Meta meta = yahooResponse.getChart().getResult()[0].getMeta();
+        String symbol = meta.getSymbol();
+        String exchangeName = meta.getExchangeName();
+        float lastPrice = meta.getLastPrice();
+        float todayVolume = meta.getTodayVolume();
+        String longName = meta.getLongName();
+        GetAssetDetailsResponse response = new GetAssetDetailsResponse();
+        response.setSymbol(symbol);
+        response.setExchangeName(exchangeName);
+        response.setLastPrice(lastPrice);
+        response.setTodayVolume(todayVolume);
+        response.setLongName(longName);
+        return response;
+    }
+
+    public GetAssetChartResponse getAssetChart(GetAssetChartRequest request) {
+        RestTemplate restTemplate = new RestTemplate();
+        String url = "https://query2.finance.yahoo.com/v8/finance/chart/" + request.getSymbol();
+        ResponseEntity<YahooFinanceChartResponse> financialData = restTemplate.getForEntity(url, YahooFinanceChartResponse.class);
+        YahooFinanceChartResponse yahooResponse = financialData.getBody();
+
+        if (yahooResponse == null || yahooResponse.getChart() == null 
+            || yahooResponse.getChart().getResult() == null 
+            || yahooResponse.getChart().getResult().length == 0) {
+            throw new RuntimeException("Failed to get asset chart data");
+        }
+
+        YahooFinanceChartResponse.Result result = yahooResponse.getChart().getResult()[0];
+        List<ChartData> chartDataList = new ArrayList<>();
+
+        long[] timestamps = result.getTimestamp();
+        YahooFinanceChartResponse.Quote quote = result.getIndicators().getQuote()[0];
+
+        for (int i = 0; i < timestamps.length; i++) {
+            if (quote.getClose()[i] == null) continue;
+            ChartData data = new ChartData();
+            data.setTimestamp(timestamps[i]);
+            data.setHigh(quote.getHigh()[i]);
+            data.setLow(quote.getLow()[i]);
+            data.setClose(quote.getClose()[i]);
+            data.setOpen(quote.getOpen()[i]);
+            chartDataList.add(data);
+        }
+
+        GetAssetChartResponse response = new GetAssetChartResponse();
+        response.setSymbol(result.getMeta().getSymbol());
+        response.setChart(chartDataList);
+        return response;
+    }
+}