Diplomarbeit-Absolventenverein/Module.EventRegistration
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NEW: Zusagen / Absagen Chart (PoC)

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Konstantin Hintermayer
2025-12-04 22:57:22 +01:00
parent ab237de4c8
commit a31292e476
6 changed files with 138 additions and 103 deletions
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43
Client/Modules/SZUAbsolventenverein.Module.EventRegistration/Edit.razor
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@ -42,6 +42,7 @@
{
<AuditInfo CreatedBy="@_createdby" CreatedOn="@_createdon" ModifiedBy="@_modifiedby" ModifiedOn="@_modifiedon"></AuditInfo>
}
<div id="chart"></div>
</form>
@code {
@ -53,7 +54,9 @@
public override List<Resource> Resources => new List<Resource>()
{
new Resource { ResourceType = ResourceType.Stylesheet, Url = ModulePath() + "Module.css" }
new Resource { ResourceType = ResourceType.Stylesheet, Url = ModulePath() + "Module.css" },
new Resource { ResourceType = ResourceType.Script, Bundle = "ChartJS", Url = "https://cdn.jsdelivr.net/npm/chart.js" },
new Resource { ResourceType = ResourceType.Script, Bundle = "ChartJS", Url = ModulePath() + "Module.js"}
};
@ -71,6 +74,9 @@
private DateTime _createdon;
private string _modifiedby;
private DateTime _modifiedon;
bool _refresh = false;
private List<Response> _responses;
protected override async Task OnInitializedAsync()
{
@ -92,6 +98,10 @@
_modifiedby = EventRegistration.ModifiedBy;
_modifiedon = EventRegistration.ModifiedOn;
}
_responses = await EventRegistrationService.GetEventResponses(_id, ModuleState.ModuleId);
Console.WriteLine("Responses count: " + (_responses != null ? _responses.Count.ToString() : "null"));
_refresh = true;
}
}
catch (Exception ex)
@ -101,6 +111,37 @@
}
}
protected override async Task OnAfterRenderAsync(bool firstRender)
{
try
{
await base.OnAfterRenderAsync(firstRender);
Console.WriteLine("Responses count: " + (_responses != null ? _responses.Count.ToString() : "null"));
if (_refresh && _responses != null)
{
List<string> labels = new List<string>();
List<object> datasets = new List<object>();
string[] colors = new string[] { "#FF0000", "#FF8000", "#FFFF00", "#00FF00", "#00FFFF", "#0080FF", "#0000FF", "#8000FF", "#FF00FF", "#CCCCCC" };
labels.AddRange("Zusage", "Absage");
datasets.Add(new { label = "DS1", data = new int[] { _responses.Count(r => r.ResponseType == true), _responses.Count(r => r.ResponseType == false) }, fill = false, backgroundColor = colors });
object options = new { maintainAspectRatio = false, legend = new { display = true, position = "bottom", labels = new { fontColor = "white", fontSize = 16 } } };
var interop = new Interop(JSRuntime);
await interop.CreateChart("chart", "pie", labels.ToArray(), datasets.ToArray(), options);
_refresh = false;
}
}
catch (Exception ex)
{
await logger.LogError(ex, "Error Rendering Chart {Error}", ex.Message);
AddModuleMessage("Error Rendering Chart", MessageType.Error);
}
}
private async Task Save()
{
try