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CR-2 FIX: PUT /gerbils PATCH-Semantik — partielle Updates zerstoeren keine Felder mehr

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GerbilInput.Name + Gender auf nullable geaendert. Apply() wendet fuer alle Felder
?? g.X an (omittierte/null Felder behalten den DB-Wert). g.Name aus dem PUT-Handler
in Apply() verschoben. Verhindert stillen Datenverlust bei partiellen Frontend-Calls
(ForSale-Toggle schickt nur {status}, Charakterbogen-Save schickt nur {traits,note}).

+4 Regressionstests (PartialUpdateTests): ForSale-Toggle, Charakterbogen-Save,
EditForm-ohne-Import-Felder, minimaler POST — alle grueen (137/137 gesamt).
This commit is contained in:
Gulum
2026-06-06 17:40:15 +02:00
parent 4d9e901139
commit 8175b150f7
3 changed files with 172 additions and 23 deletions
Download Patch File Download Diff File Expand all files Collapse all files

48
GerbilManagerWebAPI/Endpoints/GerbilEndpoints.cs
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@@ -39,19 +39,18 @@ namespace GerbilManagerWebAPI.Endpoints
if (string.IsNullOrWhiteSpace(input.Name))
return TypedResults.ValidationProblem(new Dictionary<string, string[]> { ["name"] = ["Name is required."] });
var g = new Gerbil { Id = Guid.NewGuid(), Name = input.Name };
var g = new Gerbil { Id = Guid.NewGuid(), Name = input.Name! };
Apply(g, input, isCreate: true);
db.Gerbils.Add(g);
await db.SaveChangesAsync();
return TypedResults.Created($"/gerbils/{g.Id}", ToDto(g));
});
// PUT /gerbils/{id}
// PUT /gerbils/{id} — PATCH semantics: omitted/null fields keep the stored value.
group.MapPut("/{id:guid}", async Task<Results<NoContent, NotFound>> (Guid id, GerbilInput input, ApplicationContext db) =>
{
var g = await db.Gerbils.FirstOrDefaultAsync(x => x.Id == id);
if (g is null) return TypedResults.NotFound();
g.Name = input.Name;
Apply(g, input, isCreate: false);
await db.SaveChangesAsync();
return TypedResults.NoContent();
@@ -77,27 +76,34 @@ namespace GerbilManagerWebAPI.Endpoints
return app;
}
// CR-2 FIX: PATCH semantics — every omitted/null field keeps the stored value.
// Prevents silent data loss when the frontend sends partial bodies (ForSale toggle,
// Charakterbogen save, any partial updateGerbil call). On create, supply safe defaults
// for fields the frontend omits. A non-null input value always wins (including explicit
// nulls — callers that want to clear a nullable field must send a full object; a
// dedicated PATCH endpoint can be added later if point-clear is needed).
private static void Apply(Gerbil g, GerbilInput i, bool isCreate)
{
g.Gender = i.Gender;
if (!string.IsNullOrWhiteSpace(i.Name)) g.Name = i.Name!;
g.Gender = i.Gender ?? (isCreate ? Gender.unknown : g.Gender);
g.Status = i.Status ?? (isCreate ? GerbilStatus.Active : g.Status);
g.LitterId = i.LitterId;
g.OriginContactId = i.OriginContactId;
g.ReceiverContactId = i.ReceiverContactId;
g.EnclosureId = i.EnclosureId;
g.ColorVarietyId = i.ColorVarietyId;
g.DateOfBirth = i.DateOfBirth;
g.DateOfDeath = i.DateOfDeath;
g.CauseOfDeath = i.CauseOfDeath;
g.GoHomeDate = i.GoHomeDate;
g.Genotype = i.Genotype;
g.Notes = i.Notes;
g.ImportSource = i.ImportSource;
g.ExternalRef = i.ExternalRef;
g.OriginBreeder = i.OriginBreeder;
g.CharacterTraits = i.CharacterTraits ?? new List<string>();
g.CharacterNote = i.CharacterNote;
g.IsDeaf = i.IsDeaf;
g.LitterId = i.LitterId ?? g.LitterId;
g.OriginContactId = i.OriginContactId ?? g.OriginContactId;
g.ReceiverContactId = i.ReceiverContactId ?? g.ReceiverContactId;
g.EnclosureId = i.EnclosureId ?? g.EnclosureId;
g.ColorVarietyId = i.ColorVarietyId ?? g.ColorVarietyId;
g.DateOfBirth = i.DateOfBirth ?? g.DateOfBirth;
g.DateOfDeath = i.DateOfDeath ?? g.DateOfDeath;
g.CauseOfDeath = i.CauseOfDeath ?? g.CauseOfDeath;
g.GoHomeDate = i.GoHomeDate ?? g.GoHomeDate;
g.Genotype = i.Genotype ?? g.Genotype;
g.Notes = i.Notes ?? g.Notes;
g.ImportSource = i.ImportSource ?? g.ImportSource;
g.ExternalRef = i.ExternalRef ?? g.ExternalRef;
g.OriginBreeder = i.OriginBreeder ?? g.OriginBreeder;
g.CharacterTraits = i.CharacterTraits ?? g.CharacterTraits;
g.CharacterNote = i.CharacterNote ?? g.CharacterNote;
g.IsDeaf = i.IsDeaf ?? g.IsDeaf;
g.IsResident = i.IsResident ?? (isCreate ? true : g.IsResident);
}