public static void CheckAttribute(DataServiceRestClient client, EntityDto entity, ushort key, string description,
AttributeTypeDto type)
{
var configuration = client.GetConfiguration().Result;
var definition = configuration.GetDefinition(key);
if (definition == null)
{
client.CreateAttributeDefinition(entity, new AttributeDefinitionDto
{
Key = key,
Description = description,
Type = type
});
}
else if (configuration.GetTypeForKey(key) != entity || definition.Description != description ||
(definition as AttributeDefinitionDto)?.Type != type)
{
//Don't do this, in case the PiWeb database is already in use. Changing the configuration will cause data-loss!!!
client.UpdateAttributeDefinitions(entity, new AbstractAttributeDefinitionDto[]
{
new AttributeDefinitionDto
{
Key = key,
Description = description,
Type = type
}
});
}
}
public static void CheckCatalogAttribute(DataServiceRestClient client, EntityDto entity, ushort key, string description,
Guid catalog)
{
var configuration = client.GetConfiguration().Result;
var definition = configuration.GetDefinition(key);
if (definition == null)
{
client.CreateAttributeDefinition(entity, new CatalogAttributeDefinitionDto
{
Key = key,
Description = description,
Catalog = catalog
});
}
else if (configuration.GetTypeForKey(key) != entity || definition.Description != description ||
(definition as CatalogAttributeDefinitionDto)?.Catalog != catalog)
{
client.UpdateAttributeDefinitions(entity, new AbstractAttributeDefinitionDto[]
{
new CatalogAttributeDefinitionDto
{
Key = key,
Description = description,
Catalog = catalog
}
});
}
}
/// <summary>
/// Shows how to work with the attribute configuration.
/// </summary>
/// <param name="client">The client.</param>
public static async Task Lesson(DataServiceRestClient client)
{
//Create attributes
await client.CreateAttributeDefinition(Entity.Part, AttributeDefinition);
//This will create an attribute which can be used by catalogs. Don't be confused, this is no catalog attribute
await client.CreateAttributeDefinition(Entity.Catalog, CatalogColumnAttributeDefinition);
//Create a catalog which we can use for our catalog attribute
await client.CreateCatalogs(new[] { Catalog });
//Create the catalog attribute definition.
await client.CreateAttributeDefinition(Entity.Part, CatalogAttributeDefinition);
//Notes: - you can't create catalog attributes for catalogs (Entity.Catalog)
//Notes: - you must obey the shown order of commands!
//You can update everything except the key, which is the identifier.
//To change the key, you must delete and recreate the attribute, but be aware: all data stored for this attribute will be lost!
CatalogAttributeDefinition.Description = "Characteristic catalog attribute";
await client.UpdateAttributeDefinitions(Entity.Characteristic, new[] { CatalogAttributeDefinition });
//Get all attributes
var configuration = await client.GetConfiguration();
//Attributes are assigned to an entity: part, characteristic, measurement, value or catalog.
Console.WriteLine($"Attributes for part: {configuration.PartAttributes.Length}");
Console.WriteLine($"Attributes for characteristic: {configuration.CharacteristicAttributes.Length}");
Console.WriteLine($"Attributes for measurement: {configuration.MeasurementAttributes.Length}");
Console.WriteLine($"Attributes for value: {configuration.ValueAttributes.Length}");
Console.WriteLine($"Attributes for catalog: {configuration.CatalogAttributes.Length}");
}
