Gallery verwendet Datenbank
- Menü: Fixed typo in Gallerie - Datenbanken-Funktionen dokumentiert
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1b28481b5d
commit
e6a2db0753
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@ -1,14 +1,11 @@
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Runtime.CompilerServices;
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using System.Text;
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using System.Threading.Tasks;
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using DataAccess.DbAccess;
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using DataAccess.DbAccess;
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using DataAccess.Models;
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namespace DataAccess.Data;
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/// <summary>
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/// Ermöglicht den Zugriff auf die BildInfo Datenbank.
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/// </summary>
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public class BildInfoData
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{
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private readonly ISqlDataAccess _db;
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@ -18,18 +15,34 @@ public class BildInfoData
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_db = db;
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}
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/// <summary>
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/// Fügt die gegebene BildInfo zur Datenbank hinzu und aktualisiert das <see cref="BildInfoModel.Id"/>-Feld mit dem entsprechenden Wert.
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/// </summary>
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/// <param name="bildInfo">Die BildInfo, die zur Datenbank hinzugefügt werden soll.</param>
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public async Task AddBildInfoAsync(BildInfoModel bildInfo)
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{
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var id = await _db.LoadData<int, BildInfoModel>("dbo.spBildInfo_Insert", bildInfo);
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bildInfo.Id = id.Single();
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}
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public async Task UpdateBildInfoDateinameAsync(BildInfoModel bildInfo)
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/// <summary>
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/// Aktualisiert das Dateiname-Feld der übergebenen BildInfo in der Datenbank.
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/// </summary>
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/// <param name="bildInfo">Die BildInfo deren Dateiname aktualisiert werden soll.</param>
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public Task UpdateBildInfoDateinameAsync(BildInfoModel bildInfo)
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{
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await _db.SaveData("dbo.spBildInfo_UpdateFileName",
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return _db.SaveData("dbo.spBildInfo_UpdateFileName",
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new {
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Id = bildInfo.Id,
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Dateiname = bildInfo.Dateiname,
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});
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}
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/// <summary>
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/// Gibt alle Bild Infos der Datenbank zurück.
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/// </summary>
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public Task<IEnumerable<BildInfoModel>> GetAllBildInfosAsync()
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{
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return _db.LoadData<BildInfoModel, dynamic>("dbo.spBildInfo_GetAll", new { });
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}
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}
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@ -22,4 +22,15 @@ public class WunschInfoData
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var id = await _db.LoadData<int, WunschInfoModel>("dbo.spWunschInfo_Insert", wunschInfo);
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wunschInfo.Id = id.Single();
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}
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/// <summary>
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/// Gibt die WunschInfo mit der gegebenen Id zurück.
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/// </summary>
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/// <param name="wunschId">Die Id der zu ladenen WunschInfo</param>
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/// <returns>Die WunschInfo mit der gegebenen Id</returns>
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public async Task<WunschInfoModel> GetWunschInfoAsync(int wunschId)
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{
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var wunschInfo = await _db.LoadData<WunschInfoModel, dynamic>("dbo.spWunschInfo_Get", new { Id = wunschId });
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return wunschInfo.Single();
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}
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}
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@ -1,7 +1,26 @@
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namespace DataAccess.DbAccess;
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/// <summary>
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/// Bietet lesenden und schreibenden Zugriff auf eine Datenbank.
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/// </summary>
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public interface ISqlDataAccess
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{
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Task<IEnumerable<T>> LoadData<T, U>(string storedProcedure, U parameters, string connectionId = "Default");
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Task SaveData<T>(string storedProcedure, T parameters, string connectionId = "Default");
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/// <summary>
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/// Führt die angegebene Stored Procedure aus. Diese Prozedur nimmt Parameter des Typs <see cref="TParameter"/> engegen und gibt ein Enumerable des Typs <see cref="TResult"/> zurück.
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/// </summary>
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/// <typeparam name="TResult">Der Typ der Parameter</typeparam>
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/// <typeparam name="TParameter">Der Typ der Rückgabewerte</typeparam>
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/// <param name="storedProcedure">Der Name der Prozedur</param>
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/// <param name="parameters">Die Parameter für die Prozedur.</param>
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/// <param name="connectionId">Die optionale Id des zu verwendenen Connection Strings.</param>
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Task<IEnumerable<TResult>> LoadData<TResult, TParameter>(string storedProcedure, TParameter parameters, string connectionId = "Default");
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/// <summary>
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/// Führt die angegebene Stored Procedure aus. Diese Prozedur nimmt Parameter des Typs <see cref="TParameter"/> engegen und gibt nichts zurück.
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/// </summary>
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/// <typeparam name="TParameter">Der Typ der Parameter</typeparam>
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/// <param name="storedProcedure">Der Name der Prozedur</param>
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/// <param name="parameters">Die Parameter für die Prozedur.</param>
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/// <param name="connectionId">Die optionale Id des zu verwendenen Connection Strings.</param>
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Task SaveData<TParameter>(string storedProcedure, TParameter parameters, string connectionId = "Default");
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}
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@ -5,6 +5,9 @@ using Dapper;
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namespace DataAccess.DbAccess;
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/// <summary>
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/// Bietet lesenden und schreibenden Zugriff auf eine Datenbank.
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/// </summary>
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public class SqlDataAccess : ISqlDataAccess
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{
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private readonly IConfiguration _config;
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@ -14,14 +17,14 @@ public class SqlDataAccess : ISqlDataAccess
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_config = config;
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}
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public async Task<IEnumerable<T>> LoadData<T, U>(string storedProcedure, U parameters, string connectionId = "Default")
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public async Task<IEnumerable<TResult>> LoadData<TResult, TParameter>(string storedProcedure, TParameter parameters, string connectionId = "Default")
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{
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using IDbConnection connection = new SqlConnection(_config.GetConnectionString(connectionId));
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return await connection.QueryAsync<T>(storedProcedure, parameters, commandType: CommandType.StoredProcedure);
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return await connection.QueryAsync<TResult>(storedProcedure, parameters, commandType: CommandType.StoredProcedure);
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}
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public async Task SaveData<T>(string storedProcedure, T parameters, string connectionId = "Default")
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public async Task SaveData<TParameter>(string storedProcedure, TParameter parameters, string connectionId = "Default")
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{
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using IDbConnection connection = new SqlConnection(_config.GetConnectionString(connectionId));
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@ -1,5 +1,11 @@
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@page "/gallery"
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@using DataAccess.Data
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@using DataAccess.Models
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@inject BildInfoData BildInfoData;
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@inject WunschInfoData WunschInfoData;
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<style>
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.image-grid {
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background-color: white; /* Hintergrund der RadzenDataList weiß machen */
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@ -57,12 +63,12 @@
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</style>
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<div>
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<RadzenDataList WrapItems="@true" AllowPaging="true" Data="@imagePaths" PageSize="20" PagerHorizontalAlign="HorizontalAlign.Left" ShowPagingSummary="true" class="image-grid">
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<Template Context="imagePath">
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<RadzenDataList WrapItems="@true" AllowPaging="true" Data="@_bildInfos" PageSize="20" PagerHorizontalAlign="HorizontalAlign.Left" ShowPagingSummary="true" class="image-grid">
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<Template Context="bildInfo">
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<div class="image-grid-item">
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<RadzenCard Style="width: 200px; height: 200px; padding: 0; border: none;">
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<RadzenButton Click="@(args => ShowImageInfo(imagePath))">
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<RadzenImage Src="@imagePath" Style="width: 100%; height: 100%; object-fit: cover;" />
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<RadzenButton Click="@(args => ShowImageInfo(bildInfo))">
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<RadzenImage Src="@bildInfo.Dateiname" Style="width: 100%; height: 100%; object-fit: cover;" />
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</RadzenButton>
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</RadzenCard>
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</div>
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@ -83,63 +89,26 @@
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</div>
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@code {
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List<string> imagePaths = new List<string>();
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string selectedImage;
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string infoText = "Info Text";
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string popupStyle = "display: none;";
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IEnumerable<BildInfoModel>? _bildInfos;
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protected override async Task OnInitializedAsync()
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{
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await base.OnInitializedAsync();
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// Get the physical path to the folder
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string folderPath = Path.Combine(_environment.WebRootPath, "generated_images");
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if (Directory.Exists(folderPath))
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{
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// Load the image file names from the folder
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var imageFiles = Directory.GetFiles(folderPath, "*.jpg");
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// Get the relative paths to the images
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imagePaths = imageFiles.Select(file => file.Replace(_environment.WebRootPath, "").Replace("\\", "/")).ToList();
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}
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_bildInfos = await BildInfoData.GetAllBildInfosAsync();
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}
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private async void ShowImageInfo(string imagePath)
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private async void ShowImageInfo(BildInfoModel bildInfo)
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{
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selectedImage = imagePath;
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selectedImage = bildInfo.Dateiname;
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popupStyle = "display: block;";
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infoText = await GetInfoTextForImageAsync(imagePath);
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}
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private async Task<string> GetInfoTextForImageAsync(string imagePath)
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{
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// Bestimme den Ordnerpfad, in dem sich die Bilder und die info_texts.txt Datei befinden
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string folderPath = Path.Combine(_environment.WebRootPath, "generated_images");
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// Bestimme den Pfad zur info_texts.txt Datei
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string infoTextsFilePath = Path.Combine(folderPath, "info_texts.txt");
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// Überprüfe, ob die Datei existiert
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if (!File.Exists(infoTextsFilePath))
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return $"Kein Infotext für {imagePath} gefunden.";
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// Lies alle Zeilen der Datei
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var lines = await File.ReadAllLinesAsync(infoTextsFilePath);
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string adaptedImagePath = imagePath.Substring(1) + ":";
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// Durchsuche jede Zeile nach dem gegebenen imagePath
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foreach (var line in lines)
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{
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if (line.StartsWith(adaptedImagePath)) // Überprüft, ob die Zeile mit dem Dateinamen des Bildes beginnt
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{
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// Trenne den Dateinamen und den Infotext und gib den Infotext zurück
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return line.Split(new[] { ':' }, 2).LastOrDefault()?.Trim();
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}
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}
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return $"Kein Infotext für {imagePath} gefunden.";
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WunschInfoModel wunschInfo = await WunschInfoData.GetWunschInfoAsync(bildInfo.WunschId);
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infoText = wunschInfo.BildBeschreibung;
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}
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private void CloseImageInfo()
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@ -36,7 +36,7 @@
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<span class="nav-link">Über Kirsten Klöckner</span>
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</NavLink>
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<NavLink class="nav-item" href="gallery" Match="NavLinkMatch.All">
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<span class="nav-link">Galerier</span>
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<span class="nav-link">Galerie</span>
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</NavLink>
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</ul>
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</div>
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@ -66,6 +66,8 @@
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<Build Include="dpo\Tables\WunschInfo.sql" />
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<Build Include="dpo\StoredProcedures\spWunschInfo_Insert.sql" />
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<Build Include="dpo\StoredProcedures\spBildInfo_UpdateFileName.sql" />
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<Build Include="dpo\StoredProcedures\spBildInfo_GetAll.sql" />
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<Build Include="dpo\StoredProcedures\spWunschInfo_Get.sql" />
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</ItemGroup>
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<ItemGroup>
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<RefactorLog Include="KiKunstDatenbank.refactorlog" />
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@ -0,0 +1,6 @@
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CREATE PROCEDURE [dbo].[spBildInfo_GetAll]
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AS
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BEGIN
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SELECT Id, Datum, Dateiname, ImageModel, WunschId
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FROM [dbo].[BildInfo];
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END
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@ -0,0 +1,8 @@
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CREATE PROCEDURE [dbo].[spWunschInfo_Get]
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@Id INT
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AS
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BEGIN
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SELECT Id, Wunsch, BildPrompt, BildBeschreibung, Datum, GPTModel
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FROM [dbo].[WunschInfo]
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WHERE Id = @Id;
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END
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