Dashboard commit 5

Client/Pages/Dashboard/Dashboard.razor

@@ -35,23 +35,7 @@
                 <!-- </div>
                 <div class="row"> -->
                 <div class="col-12 mb-4">
-                    <div class="card">
+                    <ProductPriceHistory ProductHistory="@m_ProductPriceChanges" IsLoading="@loadingPriceHistory" />
-                        <div class="card-body">
-                            <div class="d-flex justify-content-between flex-sm-row flex-column gap-3">
-                                <div class="d-flex flex-sm-column flex-row align-items-start justify-content-between">
-                                    <div class="card-title">
-                                        <h5 class="text-nowrap mb-2">Profile Report</h5>
-                                        <span class="badge bg-label-warning rounded-pill">Year 2021</span>
-                                    </div>
-                                    <div class="mt-sm-auto">
-                                        <small class="text-success text-nowrap fw-semibold"><i class="bx bx-chevron-up"></i> 68.2%</small>
-                                        <h3 class="mb-0">$84,686k</h3>
-                                    </div>
-                                </div>
-                                <div id="profileReportChart"></div>
-                            </div>
-                        </div>
-                    </div>
                 </div>
             </div>
         </div>
@@ -59,7 +43,7 @@
     <div class="row">
         <!-- Low stock items -->
         <div class="col-md-6 col-lg-4 col-xl-4 order-0 mb-4">
-            <LowStockItems LowStockProducts="@m_lowstock"/>
+            <LowStockItems LowStockProducts="@m_lowstock" />
         </div>
         <!--/ Order Statistics -->
         <!-- Expense Overview -->

Client/Pages/Dashboard/Dashboard.razor.cs

@@ -12,26 +12,48 @@ namespace Biskilog_Accounting.Client.Pages.Dashboard
         private List<SaleItem> m_recentTransaction { get; set; } = new List<SaleItem> { };
         private List<MostPurchasedItem> m_mostPurchased { get; set; } = new List<MostPurchasedItem> { };
         private List<ProductItem> m_lowstock { get; set; } = new List<ProductItem> { };
+        private List<ProductPriceChange> m_ProductPriceChanges { get; set; } = new List<ProductPriceChange> { };
         private double m_cancelledWeeklySale { get; set; } = 0;
         private double m_cancelledPercentage { get; set; } = 0;
         private double m_totalDebt { get; set; } = 0;
         private string m_username { get; set; } = string.Empty;
         private bool loadWeeklySales = true;
+        private bool loadingPriceHistory = true;
         private bool m_loadingMostPurchased { get; set; } = true;
+
         protected override async Task OnInitializedAsync()
         {
             m_username = m_tokenService.GetUserNameFromToken(await m_tokenService.GetToken())!;
+            await Task.Delay(2500);
             await GetTradeSummary();
-            await GetWeeklySales();
+            // Start the tasks without blocking the UI
-            await GetCancelledSales();
+            _ = Task.Run(async () =>
-            await GetDebtSummary();
+            {
-            await GetRecentTransactions();
+                var weeklySalesTask = GetWeeklySales();
-            await GetMostPurchased();
+                var cancelledSalesTask = GetCancelledSales();
-            await GetLowStockItems();
+                var debtSummaryTask = GetDebtSummary();
+                var recentTransactionsTask = GetRecentTransactions();
+                var mostPurchasedTask = GetMostPurchased();
+                var lowStockItemsTask = GetLowStockItems();
+                var productPriceChangeHistoryTask = GetProductPriceChangeHistory();
+
+                // Wait for all tasks to complete
+                await Task.WhenAll(
+                    weeklySalesTask,
+                    cancelledSalesTask,
+                    debtSummaryTask,
+                    recentTransactionsTask,
+                    mostPurchasedTask,
+                    lowStockItemsTask,
+                    productPriceChangeHistoryTask
+                );
+            });
+
+            // Rest of the code...
+
             return;
         }
-        //    {a_limit
+
-        //}
         /// <summary>
         /// Gets the trade summary
         /// </summary>
@@ -168,9 +190,10 @@ namespace Biskilog_Accounting.Client.Pages.Dashboard
         {
             try
             {
+                m_loadingMostPurchased = true;
                 string start = m_tradeSummary.LastTradeDate.ToString("yyyy-MM-dd");
                 string end = m_tradeSummary.CurrentTradeDate.ToString("yyyy-MM-dd");
-                var response = await m_http.GetAsync($"api/analytics/mostpurchaseditem/{start}/{end}");
+                var response = await m_http.GetAsync($"api/analytics/mostpurchaseditem/" + start + "/" + end);
                 if (response.IsSuccessStatusCode)
                 {
                     var jsonContent = await response.Content.ReadAsStringAsync();
@@ -201,7 +224,31 @@ namespace Biskilog_Accounting.Client.Pages.Dashboard
                     StateHasChanged();
                 }
             }
-            catch (Exception ex) {
+            catch (Exception ex)
+            {
+            }
+        }
+        /// <summary>
+        /// Gets a collection of items that are low on stock
+        /// </summary>
+        /// <returns></returns>
+        async Task GetProductPriceChangeHistory()
+        {
+            try
+            {
+                var response = await m_http.GetAsync($"api/analytics/pricechanges/product/history/{5}");
+                if (response.IsSuccessStatusCode)
+                {
+                    var jsonContent = await response.Content.ReadAsStringAsync();
+                    var options = new JsonSerializerOptions { PropertyNameCaseInsensitive = true };
+                    var recent = JsonSerializer.Deserialize<List<ProductPriceChange>>(jsonContent, options);
+                    m_ProductPriceChanges = recent;
+                    loadingPriceHistory = false;
+                    StateHasChanged();
+                }
+            }
+            catch (Exception ex)
+            {
             }
         }
     }

Client/Pages/Dashboard/Elements/MostPurchasedElement.razor

@@ -4,58 +4,33 @@
 
 @if (!IsLoading)
 {
-    @if (MostPurchasedItems.Count() > 5)
+    <div class="card h-100">
-    {
+        <div class="card-header d-flex align-items-center justify-content-between pb-0">
-        <div class="card h-100">
+            <div class="card-title mb-0">
-            <div class="card-body" style="padding:5px !important;">
+                <h5 class="text-nowrap mb-2">Top 50 most purchased items</h5>
-                <div class="d-flex justify-content-between flex-sm-row flex-column gap-3">
-                    <div class="d-flex flex-sm-column flex-row align-items-start justify-content-between">
-                        <div class="card-title" style="padding:10px;">
-                            <h5 class="text-nowrap mb-2">Top 50 most purchased items</h5>
-                        </div>
-                        <div class="mt-sm-auto">
-                            @foreach (MostPurchasedItem purchasedItem in m_items.Take(5))
-                            {
-                                <small class="text-nowrap fw-semibold">
-                                    @($"{purchasedItem.ProductName} x{purchasedItem.NbrTimesSold}")
-                                </small> <br />
-                            }
-                        </div>
-                    </div>
-                    <ApexChart TItem="MostPurchasedItem" Options="@m_options" Width="150" Height="150">
-
-                        <ApexPointSeries TItem="MostPurchasedItem"
-                                 Items="m_items"
-                                 SeriesType="SeriesType.Donut"
-                                 Name="Top 5 performers"
-                                 XValue="@(e => e.ProductName)"
-                                 YValue="@(e => e.NbrTimesSold)"
-                                 OrderByDescending="e=>e.Y" />
-                    </ApexChart>
-                </div>
-                <div class="card-body" style="padding:5px !important;">
-                    <RadzenDataGrid Data="@MostPurchasedItems" TItem="MostPurchasedItem" AllowPaging="true" AllowSorting="true" PageSize="5">
-                        <Columns>
-                            <RadzenDataGridColumn TItem="MostPurchasedItem" Property="Revenue" Title="Product">
-                                <Template Context="detail">
-                                    <RadzenRow>
-                                        <RadzenColumn>
-                                            <span> <b>@detail.ProductName</b></span> <br />
-                                            <span> @detail.ProductId</span>
-                                        </RadzenColumn>
-                                        <RadzenColumn style="justify-content:end !important;">
-                                            <span><b>Revenue:</b> @m_calculator.FormatMoneyWithCurrencyKilo((double)detail.Revenue)</span> <br />
-                                            <span><b>Quantity Sold:</b> @detail.NbrTimesSold</span>
-                                        </RadzenColumn>
-                                    </RadzenRow>
-                                </Template>
-                            </RadzenDataGridColumn>
-                        </Columns>
-                    </RadzenDataGrid>
-                </div>
             </div>
         </div>
-    }
+        <div class="card-body" style="padding:5px !important;">
+            <RadzenDataGrid Data="@MostPurchasedItems" TItem="MostPurchasedItem" AllowPaging="true" AllowSorting="true" PageSize="5">
+                <Columns>
+                    <RadzenDataGridColumn TItem="MostPurchasedItem" Property="Revenue" Title="Product">
+                        <Template Context="detail">
+                            <RadzenRow>
+                                <RadzenColumn>
+                                    <span> <b>@detail.ProductName</b></span> <br />
+                                    <span> @detail.ProductId</span>
+                                </RadzenColumn>
+                                <RadzenColumn style="justify-content:end !important;">
+                                    <span><b>Revenue:</b> @m_calculator.FormatMoneyWithCurrencyKilo((double)detail.Revenue)</span> <br />
+                                    <span><b>Quantity Sold:</b> @detail.NbrTimesSold</span>
+                                </RadzenColumn>
+                            </RadzenRow>
+                        </Template>
+                    </RadzenDataGridColumn>
+                </Columns>
+            </RadzenDataGrid>
+        </div>
+    </div>
 }
 else
 {
@@ -77,4 +52,4 @@ else
         justify-content: space-between;
         flex-wrap: wrap;
     }
-</style>
+</style>

Client/Pages/Dashboard/Elements/ProductPriceHistory.razor

@@ -0,0 +1,18 @@
+@using Biskilog_Accounting.Shared.CustomModels;
+@using Biskilog_Accounting.Shared.Interfaces;
+@inject ICalculator m_calculator
+@if (!IsLoading)
+{
+    <div class="card">
+        <ApexChart TItem="ProductPriceChange" Options="options" Title="@m_title">
+
+            <ApexPointSeries TItem="ProductPriceChange" Items="m_productHistory" Name="@m_subtitle"
+                         SeriesType="SeriesType.Area" XValue="@(e => e.ChangeDate.Value.ToString("dd MMM,yy"))"
+                         YValue="@(e => e.CurrentPrice)" />
+        </ApexChart>
+    </div>
+}
+else
+{
+
+}

Client/Pages/Dashboard/Elements/ProductPriceHistory.razor.cs

@@ -0,0 +1,75 @@
+using ApexCharts;
+using Biskilog_Accounting.Shared.CustomModels;
+using Microsoft.AspNetCore.Components;
+
+namespace Biskilog_Accounting.Client.Pages.Dashboard.Elements
+{
+    public partial class ProductPriceHistory
+    {
+        [Parameter]
+        public List<ProductPriceChange> ProductHistory { get; set; }
+        [Parameter]
+        public bool IsLoading { get; set; } = true;
+        private List<ProductPriceChange> m_productHistory { get; set; } = new List<ProductPriceChange>();
+        private string m_currentProduct = string.Empty;
+        private double m_percentage { get; set; } = 0;
+        private bool m_increase { get; set; } = false;
+        private double m_currentPrice { get; set; } = 0;
+        private ApexChartOptions<ProductPriceChange> options = new ApexChartOptions<ProductPriceChange>();
+        private string m_productName { get; set; }= string.Empty;
+        private string m_subtitle { get;set; } = string.Empty;
+        private string m_title { get;set; } = string.Empty;
+        protected override void OnInitialized()
+        {
+           
+            base.OnInitialized();
+        }
+        protected override void OnParametersSet()
+        {
+            if (!IsLoading)
+            {
+                options.Colors = new List<string> { "#f4c414" };
+
+                options.Fill = new Fill
+                {
+                    Type = new List<FillType> { FillType.Gradient, FillType.Gradient },
+                    Gradient = new FillGradient
+                    {
+                        ShadeIntensity = 1,
+                        OpacityFrom = 0.2,
+                        OpacityTo = 0.9,
+                    }
+                };
+
+                options.Yaxis = new List<YAxis>
+            {
+                new YAxis
+                {
+                    Labels = new YAxisLabels
+                    {
+                        Formatter = @"function (value, index, w) {
+                    return Number(value).toLocaleString();}"
+                    }
+                }
+            };
+
+                Random random = new Random();
+                int randomNumber = random.Next(ProductHistory.Count);
+                m_currentProduct = ProductHistory[randomNumber].Pcode;
+                m_productHistory = ProductHistory.Where(t => t.Pcode == m_currentProduct).ToList();
+
+                if (m_productHistory.Count > 0)
+                {
+                    ProductPriceChange change = m_productHistory.First();
+                    m_percentage = (double)((change.CurrentPrice - change.PreviousPrice) / change.PreviousPrice * 100);
+                    m_increase = change.CurrentPrice > change.PreviousPrice;
+                    m_currentPrice = (double)change.CurrentPrice;
+                    m_productName = change.ProductName;
+                    m_subtitle = $"Price :{m_calculator.GetCurrencyCode().CurrencySymbol}";
+                    m_title = $"{m_productName} Price Changes";
+                }
+            }
+            base.OnParametersSet();
+        }
+    }
+}

Server/Controllers/AnalyticsController.cs

@@ -132,5 +132,14 @@ namespace Biskilog_Accounting.Server.Controllers
         {
             return m_analyticService.GetRecentPriceChanges(a_limit);
         }
+        /// <summary>
+        /// Endpoint to return analysis on product price change history
+        /// </summary>
+        [Authorize]
+        [HttpGet, Route("pricechanges/product/history/{a_limit}")]
+        public IEnumerable<ProductPriceChange> GetPriceChangeHistory(int a_limit)
+        {
+            return m_analyticService.GetProductPriceChangeHistory(a_limit);
+        }
     }
 }

Server/Services/AnalyticalService.cs

@@ -181,7 +181,38 @@ namespace Biskilog_Accounting.Server.Services
 
         public IEnumerable<ProductPriceChange> GetProductPriceChangeHistory(int a_limit)
         {
-            throw new NotImplementedException();
+            string token = m_httpContext.Request.Headers[HeaderNames.Authorization]!;
+
+            if (AuthEnums.Valid == m_tokenService.ValidateToken(token))
+            {
+                IEnumerable<string> accessiblebranches = m_tokenService.BranchIds(token);
+
+                using (var command = m_context.Database.GetDbConnection().CreateCommand())
+                {
+                    command.CommandText = "CALL GetProductPriceChangeHistory(@p0,@p1)";
+                    command.Parameters.Add(new MySqlParameter("@p0", string.Join(", ", accessiblebranches.ToArray())));
+                    command.Parameters.Add(new MySqlParameter("@p1", a_limit));
+
+                    m_context.Database.OpenConnection();
+
+                    using (var reader = command.ExecuteReader())
+                    {
+                        while (reader.Read())
+                        {
+                            yield return new ProductPriceChange
+                            {
+                                Pcode = reader.GetString(0),
+                                ProductName = reader.GetString(1),
+                                PreviousPrice = reader.GetDecimal(2),
+                                CurrentPrice = reader.GetDecimal(3),
+                                ChangeDate = reader.GetDateTime(4),
+                                BranchId = reader.GetString(5),
+                                CountId = reader.GetString(6),
+                            };
+                        }
+                    }
+                }
+            }
         }
 
         public IEnumerable<ProductPriceChange> GetRecentPriceChanges(int a_limit)