1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
|
using System;
using System.Linq;
using System.Threading.Tasks;
using System.Collections.Generic;
using System.Collections.Immutable;
using Microsoft.EntityFrameworkCore;
using VNLib.Utils;
using VNLib.Plugins.Extensions.Data.Abstractions;
namespace VNLib.Plugins.Extensions.Data
{
public static class Extensions
{
public static int GetPageOrDefault(this IReadOnlyDictionary<string, string> queryArgs, int @default, int minClamp = 0, int maxClamp = int.MaxValue)
{
return queryArgs.TryGetValue("page", out string? pageStr) && int.TryParse(pageStr, out int page) ? Math.Clamp(page, minClamp, maxClamp) : @default;
}
public static int GetLimitOrDefault(this IReadOnlyDictionary<string, string> queryArgs, int @default, int minClamp = 0, int maxClamp = int.MaxValue)
{
return queryArgs.TryGetValue("limit", out string? limitStr) && int.TryParse(limitStr, out int limit) ? Math.Clamp(limit, minClamp, maxClamp) : @default;
}
public static async Task<ERRNO> AddBulkAsync<TEntity>(this DbStore<TEntity> store, IEnumerable<TEntity> records, string userId, bool overwriteTime = true)
where TEntity : class, IDbModel, IUserEntity
{
//Open context and transaction
await using TransactionalDbContext database = store.NewContext();
await database.OpenTransactionAsync();
//Get the entity set
DbSet<TEntity> set = database.Set<TEntity>();
//Generate random ids for the feeds and set user-id
foreach (TEntity entity in records)
{
entity.Id = store.RecordIdBuilder;
//Explicitly assign the user-id
entity.UserId = userId;
//If the entity has the default created time, update it, otherwise leave it as is
if (overwriteTime || entity.Created == default)
{
entity.Created = DateTime.UtcNow;
}
//Update last-modified time
entity.LastModified = DateTime.UtcNow;
}
//Add feeds to database
set.AddRange(records);
//Commit changes
ERRNO count = await database.SaveChangesAsync();
//Commit transaction and exit
await database.CommitTransactionAsync();
return count;
}
}
}
|
