Page Comparison

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var serviceCollection = new ServiceCollection(); 

var config = new DigizuiteConfiguration()
{
	BaseUrl = new Uri("https://<Digizuite url>.com/"),
	SystemUsername = "<Username>",
	SystemPassword = "<Password>"
};

serviceCollection.AddDigizuite(config)
            .AddDigizuiteLogging()
            .AddConsoleSink();
serviceCollection.AddSingleton(typeof(ILogger<>), typeof(ConsoleLogger<>));
var serviceProvider = serviceCollection.BuildServiceProvider(true);

In the following we show how you can update the different metafield types on an asset.

BIT
Use the Digizuite service IAssetSearchService and IMetadataValueService.
First we fetch the asset. Then creates a new instance of BitMetadataUpdate. The TargetItemIds is the itemId of the asset we just fetched. The MetaFieldItemGuid is the GUID of the metafield you wants to update. As you can see in the ApplyUpdate, it takes a list of updates. So you have the options to bulk update metadata for an asset.

var assetSearchService = app.Services.GetRequiredService<IAssetSearchService>();
var metadataValueService = app.Services.GetRequiredService<IMetadataValueService>();
var asset = await assetSearchService.GetAsset(75);
var metadataUpdate = new BitMetadataUpdate
{
    Value = true,
    TargetItemIds = new HashSet<int> { asset.ItemId },
    MetaFieldItemGuid = Guid.Parse("<GUID of Metafield>")
};
await metadataValueService.ApplyUpdate<MetadataUpdate>(new[] { metadataUpdate});

INT
Use the Digizuite service IAssetSearchService and IMetadataValueService.
First we fetch the asset. Then creates a new instance of IntMetadataUpdate. The TargetItemIds is the itemId of the asset we just fetched. The MetaFieldItemGuid is the GUID of the metafield you wants to update. As you can see in the ApplyUpdate, it takes a list of updates. So you have the options to bulk update metadata for an asset.

var assetSearchService = app.Services.GetRequiredService<IAssetSearchService>();
var metadataValueService = app.Services.GetRequiredService<IMetadataValueService>();
var asset = await assetSearchService.GetAsset(75);
var metadataUpdate = new IntMetadataUpdate
{
    Value = 99,
    TargetItemIds = new HashSet<int> { asset.ItemId },
    MetaFieldItemGuid = Guid.Parse("<GUID of Metafield>")
};
await metadataValueService.ApplyUpdate<MetadataUpdate>(new[] { metadataUpdate});

STRING
Use the Digizuite service IAssetSearchService and IMetadataValueService.
First we fetch the asset. Then creates a new instance of StringMetadataUpdate. The TargetItemIds is the itemId of the asset we just fetched. The MetaFieldItemGuid is the GUID of the metafield you wants to update. As you can see in the ApplyUpdate, it takes a list of updates. So you have the options to bulk update metadata for an asset.

var assetSearchService = app.Services.GetRequiredService<IAssetSearchService>();
var metadataValueService = app.Services.GetRequiredService<IMetadataValueService>();
var asset = await assetSearchService.GetAsset(75);
var metadataUpdate = new StringMetadataUpdate
{
    Value = "Update metafield string",
    TargetItemIds = new HashSet<int> { asset.ItemId },
    MetaFieldItemGuid = Guid.Parse("<GUID of Metafield>")
};
await metadataValueService.ApplyUpdate<MetadataUpdate>(new[] { metadataUpdate});

COMBOVALUE
Use the Digizuite service IAssetSearchService and IMetadataValueService.
First we fetch the asset. Then creates a new instance of ComboValueMetadataUpdate. The TargetItemIds is the itemId of the asset we just fetched. The MetaFieldItemGuid is the GUID of the metafield you wants to update.
The ComboValue can either be set to an existing combovalue or create an new combovalue.
new ExistingCombo(50170) or new DynamicCombo { Label = "test" , OptionValue = "test" }.
As you can see in the ApplyUpdate, it takes a list of updates. So you have the options to bulk update metadata for an asset.

var assetSearchService = app.Services.GetRequiredService<IAssetSearchService>();
var metadataValueService = app.Services.GetRequiredService<IMetadataValueService>();
var asset = await assetSearchService.GetAsset(75);
var metadataUpdate = new ComboValueMetadataUpdate
{
    ComboValue = new ExistingCombo(50170),
    TargetItemIds = new HashSet<int> { asset.ItemId },
    MetaFieldItemGuid = Guid.Parse("<GUID of Metafield>")
};
await metadataValueService.ApplyUpdate<MetadataUpdate>(new[] { metadataUpdate});

MULTICOMBOVALUE
Use the Digizuite service IAssetSearchService and IMetadataValueService.
First we fetch the asset. Then creates a new instance of MultiComboValueMetadataUpdate. The TargetItemIds is the itemId of the asset we just fetched. The MetaFieldItemGuid is the GUID of the metafield you wants to update.
The ComboValues can either be a set of existings combovalues or create an new combovalues.
new ExistingCombo(50170) or new DynamicCombo { Label = "test" , OptionValue = "test" }.
As you can see in the ApplyUpdate, it takes a list of updates. So you have the options to bulk update metadata for an asset.

var assetSearchService = app.Services.GetRequiredService<IAssetSearchService>();
var metadataValueService = app.Services.GetRequiredService<IMetadataValueService>();
var asset = await assetSearchService.GetAsset(75);
var metadataUpdate = new MultiComboValueMetadataUpdate
{
    ComboValues = new List<BaseInputCombo>
    {
        new ExistingCombo(50175),
        new ExistingCombo(50174)
    },
    TargetItemIds = new HashSet<int> { asset.ItemId },
    MetaFieldItemGuid = Guid.Parse("<GUID of Metafield>")
};
await metadataValueService.ApplyUpdate<MetadataUpdate>(new[] { metadataUpdate});

DATETIME
Use the Digizuite service IAssetSearchService and IMetadataValueService.
First we fetch the asset. Then creates a new instance of DateTimeMetadataUpdate. The TargetItemIds is the itemId of the asset we just fetched. The MetaFieldItemGuid is the GUID of the metafield you wants to update. As you can see in the ApplyUpdate, it takes a list of updates. So you have the options to bulk update metadata for an asset.

var assetSearchService = app.Services.GetRequiredService<IAssetSearchService>();
var metadataValueService = app.Services.GetRequiredService<IMetadataValueService>();
var asset = await assetSearchService.GetAsset(75);
var metadataUpdate = new DateTimeMetadataUpdate
{
    Value = DateTime.Now,
    TargetItemIds = new HashSet<int> { asset.ItemId },
    MetaFieldItemGuid = Guid.Parse("<GUID of Metafield>")
};
await metadataValueService.ApplyUpdate<MetadataUpdate>(new[] { metadataUpdate});

TREE
Use the Digizuite service IAssetSearchService and IMetadataValueService.
First we fetch the asset. Then creates a new instance of TreeMetadataUpdate. The TargetItemIds is the itemId of the asset we just fetched. The MetaFieldItemGuid is the GUID of the metafield you wants to update.
The TreeValues can eather be a set of existings ExistingTreeNode or create new treenodes by using the DynamicTopDownTreeNode.
As you can see in the ApplyUpdate, it takes a list of updates. So you have the options to bulk update metadata for an asset.

var assetSearchService = app.Services.GetRequiredService<IAssetSearchService>();
var metadataValueService = app.Services.GetRequiredService<IMetadataValueService>();
var asset = await assetSearchService.GetAsset(75);
var metadataUpdate = new TreeMetadataUpdate
{
    TreeValues = new ValueList<BaseTreeNodeUpdate>
    {
        new ExistingTreeNode(2)
    },
    TargetItemIds = new HashSet<int> { asset.ItemId },
    MetaFieldItemGuid = Guid.Parse("<GUID of Metafield>")
};
await metadataValueService.ApplyUpdate<MetadataUpdate>(new[] { metadataUpdate});

EDITCOMBOVALUE
Use the Digizuite service IAssetSearchService and IMetadataValueService.
First we fetch the asset. Then creates a new instance of EditComboValueMetadataUpdate. The TargetItemIds is the itemId of the asset we just fetched. The MetaFieldItemGuid is the GUID of the metafield you wants to update. As you can see in the ApplyUpdate, it takes a list of updates. So you have the options to bulk update metadata for an asset.

var assetSearchService = app.Services.GetRequiredService<IAssetSearchService>();
var metadataValueService = app.Services.GetRequiredService<IMetadataValueService>();
var asset = await assetSearchService.GetAsset(75);
var metadataUpdate = new EditComboValueMetadataUpdate
{
    ComboValue = "Test edit value",
    TargetItemIds = new HashSet<int> { asset.ItemId },
    MetaFieldItemGuid = Guid.Parse("<GUID of Metafield>")
};
await metadataValueService.ApplyUpdate<MetadataUpdate>(new[] { metadataUpdate});

EDITMULTICOMBOVALUE
Use the Digizuite service IAssetSearchService and IMetadataValueService.
First we fetch the asset. Then creates a new instance of EditMultiComboValueMetadataUpdate. The TargetItemIds is the itemId of the asset we just fetched. The MetaFieldItemGuid is the GUID of the metafield you wants to update. As you can see in the ApplyUpdate, it takes a list of updates. So you have the options to bulk update metadata for an asset.

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Use cases:

DC 5.8 SDK Asset search

DC 5.8 SDK Asset metadata update