Add from and to parameters for stock time series

Author: Matthiee

FinancialModelingPrepApi/Abstractions/StockTimeSeries/IStockTimeSeriesProvider.cs

@@ -27,12 +27,31 @@ public interface IStockTimeSeriesProvider
         /// <returns><see cref="HistoricalPriceResponse"/></returns>
         Task<ApiResponse<HistoricalPriceResponse>> GetHistoricalDailyPricesAsync(string symbol);
 
+        /// <summary>
+        /// Get Daily Historical Prices
+        /// </summary>
+        /// <param name="symbol">Ticker symbol</param>        
+        /// <param name="from">From date (YYYY-MM-DD)</param>
+        /// <param name="to">To date (YYYY-MM-DD)</param>
+        /// <returns><see cref="HistoricalPriceResponse"/></returns>
+        Task<ApiResponse<HistoricalPriceResponse>> GetHistoricalDailyPricesAsync(string symbol, string from, string to);
+
         /// <summary>
         /// Get Daily Historical Prices
         /// Should be used to display on a linechart
         /// </summary>
         /// <param name="symbol">Ticker symbol</param>
         /// <returns><see cref="HistoricalPriceForLineChartResponse"/></returns>
         Task<ApiResponse<HistoricalPriceForLineChartResponse>> GetHistoricalDailyPricesForLineChartAsync(string symbol);
+
+        /// <summary>
+        /// Get Daily Historical Prices
+        /// Should be used to display on a linechart
+        /// </summary>
+        /// <param name="symbol">Ticker symbol</param>
+        /// <param name="from">From date (YYYY-MM-DD)</param>
+        /// <param name="to">To date (YYYY-MM-DD)</param>
+        /// <returns><see cref="HistoricalPriceForLineChartResponse"/></returns>
+        Task<ApiResponse<HistoricalPriceForLineChartResponse>> GetHistoricalDailyPricesForLineChartAsync(string symbol, string from, string to);
     }
 }

FinancialModelingPrepApi/Core/StockTimeSeries/StockTimeSeriesProvider.cs

@@ -30,6 +30,24 @@ public Task<ApiResponse<HistoricalPriceResponse>> GetHistoricalDailyPricesAsync(
 
             return client.GetJsonAsync<HistoricalPriceResponse>(url, pathParams, null);
         }
+        
+        /// <inheritdoc/>
+        public Task<ApiResponse<HistoricalPriceResponse>> GetHistoricalDailyPricesAsync(string symbol, string from, string to)
+        {
+            const string url = "[version]/historical-price-full/[symbol]";
+
+            var pathParams = new NameValueCollection()
+            {
+                { "version", ApiVersion.v3.ToString() },
+                { "symbol", symbol }
+            };
+
+            var queryString = new QueryStringBuilder();
+            queryString.Add("from", from);
+            queryString.Add("to", to);
+
+            return client.GetJsonAsync<HistoricalPriceResponse>(url, pathParams, queryString);
+        }
 
         /// <inheritdoc/>
         public Task<ApiResponse<HistoricalPriceForLineChartResponse>> GetHistoricalDailyPricesForLineChartAsync(string symbol)
@@ -49,6 +67,26 @@ public Task<ApiResponse<HistoricalPriceForLineChartResponse>> GetHistoricalDaily
             return client.GetJsonAsync<HistoricalPriceForLineChartResponse>(url, pathParams, queryString);
         }
 
+        /// <inheritdoc/>
+        public Task<ApiResponse<HistoricalPriceForLineChartResponse>> GetHistoricalDailyPricesForLineChartAsync(string symbol, string from, string to)
+        {
+            const string url = "[version]/historical-price-full/[symbol]";
+
+            var pathParams = new NameValueCollection()
+            {
+                { "version", ApiVersion.v3.ToString() },
+                { "symbol", symbol }
+            };
+
+            var queryString = new QueryStringBuilder();
+
+            queryString.Add("serietype", "line");
+            queryString.Add("from", from);
+            queryString.Add("to", to);
+
+            return client.GetJsonAsync<HistoricalPriceForLineChartResponse>(url, pathParams, queryString);
+        }
+
         /// <inheritdoc/>
         public Task<ApiResponse<HistoricalDividendsResponse>> GetHistoricalDividendsAsync(string symbol)
         {

Tests/StockTimeSeries/StockTimeSeriesTests.cs

@@ -59,6 +59,23 @@ public async Task GetHistoricalDailyPricesAsync()
             Assert.Equal(123.85, split.Low, 2);
         }
 
+        [Fact]
+        public async Task GetHistoricalDailyPricesUsingFromToAsync()
+        {
+            var result = await api.GetHistoricalDailyPricesAsync("AAPL", "2021-06-03", "2021-06-05");
+
+            result.AssertNoErrors();
+
+            Assert.Equal(2, result.Data.Historical.Count);
+
+            var split = result.Data.Historical.First(data => data.Date == "2021-06-04");
+
+            Assert.Equal(125.89, split.Close, 2);
+            Assert.Equal(124.07, split.Open, 2);
+            Assert.Equal(126.16, split.High, 2);
+            Assert.Equal(123.85, split.Low, 2);
+        }
+
         [Fact]
         public async Task GetHistoricalDailyPricesForLineChartAsync()
         {
@@ -70,5 +87,19 @@ public async Task GetHistoricalDailyPricesForLineChartAsync()
 
             Assert.Equal(125.89, split.Close, 2);
         }
+
+        [Fact]
+        public async Task GetHistoricalDailyPricesForLineChartUsingFromToAsync()
+        {
+            var result = await api.GetHistoricalDailyPricesForLineChartAsync("AAPL", "2021-06-03", "2021-06-05");
+
+            result.AssertNoErrors();
+
+            Assert.Equal(2, result.Data.Historical.Count);
+
+            var split = result.Data.Historical.First(data => data.Date == "2021-06-04");
+
+            Assert.Equal(125.89, split.Close, 2);
+        }
     }
 }