static AttributeValue ConvertFromPage(DynamoDbScorePageV1 page)
{
var p = new Dictionary <string, AttributeValue>()
{
[DynamoDbScorePropertyNames.DataPropertyNames.PagesPropertyNames.Id] = new AttributeValue()
{
N = page.Id.ToString(),
}
};
if (page.Page != null)
{
p[DynamoDbScorePropertyNames.DataPropertyNames.PagesPropertyNames.Page] = new AttributeValue(page.Page);
}
if (page.ItemId != null)
{
p[DynamoDbScorePropertyNames.DataPropertyNames.PagesPropertyNames.ItemId] = new AttributeValue(page.ItemId);
}
if (page.ObjectName != null)
{
p[DynamoDbScorePropertyNames.DataPropertyNames.PagesPropertyNames.ObjectName] = new AttributeValue(page.ObjectName);
}
if (p.Count == 0)
{
return(null);
}
return(new AttributeValue()
{
M = p
});
}
public async Task AddPagesAsync(Guid ownerId, Guid scoreId, List <NewScorePage> pages)
{
if (pages.Count == 0)
{
throw new ArgumentException(nameof(pages));
}
var(data, oldHash) = await GetAsync(_dynamoDbClient, ScoreTableName, ownerId, scoreId);
data.Page ??= new List <DynamoDbScorePageV1>();
var newPages = new List <DynamoDbScorePageV1>();
var newItemRelationSet = new HashSet <string>();
var pageId = data.Page.Count == 0 ? 0 : data.Page.Select(x => x.Id).Max() + 1;
foreach (var page in pages)
{
var itemId = ScoreDatabaseUtils.ConvertToBase64(page.ItemId);
var p = new DynamoDbScorePageV1()
{
Id = pageId++,
ItemId = itemId,
Page = page.Page,
ObjectName = page.ObjectName,
};
newPages.Add(p);
data.Page.Add(p);
newItemRelationSet.Add(itemId);
}
var newHash = data.CalcDataHash();
var now = ScoreDatabaseUtils.UnixTimeMillisecondsNow();
// TODO ページの追加上限値判定を追加
await UpdateAsync(_dynamoDbClient, ScoreTableName, ownerId, scoreId, newPages, newHash, oldHash, now);
await PutItemRelations(_dynamoDbClient, ScoreItemRelationTableName, ownerId, scoreId, newItemRelationSet);
public async Task ReplacePagesAsync(Guid ownerId, Guid scoreId, List <PatchScorePage> pages)
{
if (pages.Count == 0)
{
throw new ArgumentException(nameof(pages));
}
var(data, oldHash) = await GetAsync(_dynamoDbClient, ScoreTableName, ownerId, scoreId);
data.Page ??= new List <DynamoDbScorePageV1>();
var removeRelationItemSet = new HashSet <string>();
var newRelationItemSet = new HashSet <string>();
foreach (var pageV1 in data.Page)
{
removeRelationItemSet.Add(pageV1.ItemId);
}
// Key id, Value index
var pageIndices = new Dictionary <long, int>();
foreach (var(databaseScoreDataPageV1, index) in data.Page.Select((x, index) => (x, index)))
{
pageIndices[databaseScoreDataPageV1.Id] = index;
}
var replacingPages = new List <(DynamoDbScorePageV1 data, int targetIndex)>();
foreach (var page in pages)
{
var id = page.TargetPageId;
if (!pageIndices.TryGetValue(id, out var index))
{
throw new InvalidOperationException();
}
var itemId = ScoreDatabaseUtils.ConvertToBase64(page.ItemId);
var p = new DynamoDbScorePageV1()
{
Id = id,
ItemId = itemId,
Page = page.Page,
ObjectName = page.ObjectName,
};
replacingPages.Add((p, index));
data.Page[index] = p;
newRelationItemSet.Add(itemId);
}
foreach (var pageV1 in data.Page)
{
removeRelationItemSet.Remove(pageV1.ItemId);
}
var newHash = data.CalcDataHash();
var now = ScoreDatabaseUtils.UnixTimeMillisecondsNow();
await UpdateAsync(_dynamoDbClient, ScoreTableName, ownerId, scoreId, replacingPages, newHash, oldHash, now);
await PutItemRelations(_dynamoDbClient, ScoreItemRelationTableName, ownerId, scoreId, newRelationItemSet);
await DeleteItemRelations(_dynamoDbClient, ScoreItemRelationTableName, ownerId, scoreId, removeRelationItemSet);
