112 lines
3.9 KiB
Plaintext
112 lines
3.9 KiB
Plaintext
@page "/"
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@using Blazor.IndexedDB
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@using DBTest.DB
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@using Microsoft.Data.SqlClient
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@inject IIndexedDbFactory DbFactory
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<PageTitle>Home</PageTitle>
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<h1>Artikelliste</h1>
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@if (artikelliste == null)
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{
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<div class="d-flex justify-content-center align-items-center">
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<p class="text-muted fs-4">Loading...</p>
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</div>
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}
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else
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{
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<div class="container">
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<div class="row row-cols-1 row-cols-md-2 row-cols-lg-3 g-4">
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@foreach (var quote in artikelliste)
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{
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<div class="col">
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<div class="card shadow-sm h-100">
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<div class="card-body d-flex flex-column">
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<blockquote class="blockquote mb-4">
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<p class="fs-5">"@quote.Barcode"</p>
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</blockquote>
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<footer class="blockquote-footer mt-auto text-end">
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<cite title="Author">@quote.Bezeichnung</cite>
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</footer>
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</div>
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</div>
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</div>
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}
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</div>
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<div class="text-center mt-5">
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<button class="btn btn-primary btn-lg" @onclick="ForceRefresh">Force Refresh</button>
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</div>
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</div>
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}
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@code {
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private List<Artikel> artikelliste;
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protected override async Task OnInitializedAsync()
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{
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await LoadQuotesAsync();
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}
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private async Task LoadQuotesAsync()
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{
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using (var db = await DbFactory.Create<ArtikelDB>())
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{
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// Load quotes from IndexedDB
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artikelliste = db.ArtikelListe.ToList();
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// If no quotes exist in IndexedDB, fetch from API
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if (artikelliste == null || artikelliste.Count == 0)
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{
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await FetchAndStoreQuotesFromDBAsync();
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}
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}
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}
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private async Task FetchAndStoreQuotesFromDBAsync()
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{
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using (var db = await DbFactory.Create<ArtikelDB>())
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{
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using (SqlConnection con = new SqlConnection("Data Source=APP03AC;Initial Catalog=KassenSystem;User Id=KassenManager;Password=ks;Max Pool Size=600;Connection Timeout=3000;encrypt=true;"))
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{
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con.Open();
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// 0 1 2 3 4 5
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string sql = "SELECT [ArtikelMA].[ArtikelId], [ArtikelNummer], [ArtikelMA].[Barcode], [Bontext], [Mengeneinheit], isnull([Farbe], '') FROM [Kassensystem].[KS].[ArtikelMA] left join [Kassensystem].[KS].[ArtikelVariantenMA] on [ArtikelMA].[ArtikelId] = [ArtikelVariantenMA].[ArtikelId] where [ArtikelMA].GeloeschtAm is null and istAusgeblendet = 0 and [ArtikelVariantenMA].GeloeschtAm is null order by ArtikelId, Farbe";
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using(SqlCommand cmd = new SqlCommand(sql, con))
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{
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using(SqlDataReader reader = cmd.ExecuteReader())
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{
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while(reader.Read())
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{
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Artikel a1 = new Artikel();
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a1.Key = reader.GetString(0);
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a1.ArtikelNummer = reader.GetString(1);
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a1.Variante = reader.GetString(5);
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a1.Bezeichnung = reader.GetString(3);
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db.ArtikelListe.Add(a1);
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}
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}
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}
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}
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await db.SaveChanges(); // Save changes
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}
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}
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private async Task ForceRefresh()
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{
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using (var db = await DbFactory.Create<ArtikelDB>())
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{
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db.ArtikelListe.Clear(); // Clear existing data from IndexedDB
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await db.SaveChanges();
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}
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await FetchAndStoreQuotesFromDBAsync(); // Fetch fresh data from API
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}
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}
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