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| author | 杨宇千 <crupest@outlook.com> | 2019-08-21 18:33:07 +0800 |
|---|---|---|
| committer | 杨宇千 <crupest@outlook.com> | 2019-08-21 18:33:07 +0800 |
| commit | b3296b38176e26e410306bb19ef43da1523811b8 (patch) | |
| tree | 72f5a8f65048f1495dddff7f12cedbd5eb4e39fc /Timeline/Services/UserDetailService.cs | |
| parent | a585c6e35829e9f2b4b0b8ce8c6b395e5ea84f2c (diff) | |
| download | timeline-b3296b38176e26e410306bb19ef43da1523811b8.tar.gz timeline-b3296b38176e26e410306bb19ef43da1523811b8.tar.bz2 timeline-b3296b38176e26e410306bb19ef43da1523811b8.zip | |
Add database entity and service.
Diffstat (limited to 'Timeline/Services/UserDetailService.cs')
| -rw-r--r-- | Timeline/Services/UserDetailService.cs | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/Timeline/Services/UserDetailService.cs b/Timeline/Services/UserDetailService.cs new file mode 100644 index 00000000..c3a2a1af --- /dev/null +++ b/Timeline/Services/UserDetailService.cs @@ -0,0 +1,90 @@ +using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Logging;
+using System;
+using System.Linq;
+using System.Threading.Tasks;
+using Timeline.Entities;
+using Timeline.Models;
+
+namespace Timeline.Services
+{
+ public interface IUserDetailService
+ {
+ /// <summary>
+ /// Get the detail of user.
+ /// </summary>
+ /// <param name="username">The username to get user detail of.</param>
+ /// <returns>The user detail.</returns>
+ /// <exception cref="ArgumentException">Thrown if <paramref name="username"/> is null or empty.</exception>
+ /// <exception cref="UserNotExistException">Thrown if user doesn't exist.</exception>
+ Task<UserDetail> GetUserDetail(string username);
+
+ /// <summary>
+ /// Update the detail of user. This function does not do data check.
+ /// </summary>
+ /// <param name="username">The username to get user detail of.</param>
+ /// <param name="detail">The detail to update. Can't be null. Any null member means not set.</param>
+ /// <exception cref="ArgumentException">Thrown if <paramref name="username"/> is null or empty or <paramref name="detail"/> is null.</exception>
+ /// <exception cref="UserNotExistException">Thrown if user doesn't exist.</exception>
+ Task UpdateUserDetail(string username, UserDetail detail);
+ }
+
+ public class UserDetailService : IUserDetailService
+ {
+ private readonly ILogger<UserDetailService> _logger;
+
+ private readonly DatabaseContext _databaseContext;
+
+ public UserDetailService(ILogger<UserDetailService> logger, DatabaseContext databaseContext)
+ {
+ _logger = logger;
+ _databaseContext = databaseContext;
+ }
+
+ // Check the existence of user detail entry
+ private async Task<UserDetailEntity> CheckAndInit(long userId)
+ {
+ var detail = await _databaseContext.UserDetails.Where(e => e.UserId == userId).SingleOrDefaultAsync();
+ if (detail == null)
+ {
+ detail = new UserDetailEntity()
+ {
+ UserId = userId
+ };
+ _databaseContext.UserDetails.Add(detail);
+ await _databaseContext.SaveChangesAsync();
+ }
+ return detail;
+ }
+
+ public async Task<UserDetail> GetUserDetail(string username)
+ {
+ var userId = await DatabaseExtensions.CheckAndGetUser(_databaseContext.Users, username);
+ var detailEntity = await CheckAndInit(userId);
+ return UserDetail.From(detailEntity);
+ }
+
+ public async Task UpdateUserDetail(string username, UserDetail detail)
+ {
+ if (detail == null)
+ throw new ArgumentNullException(nameof(detail));
+
+ var userId = await DatabaseExtensions.CheckAndGetUser(_databaseContext.Users, username);
+ var detailEntity = await CheckAndInit(userId);
+
+ if (detail.QQ != null)
+ detailEntity.QQ = detail.QQ;
+
+ if (detail.EMail != null)
+ detailEntity.EMail = detail.EMail;
+
+ if (detail.PhoneNumber != null)
+ detailEntity.PhoneNumber = detail.PhoneNumber;
+
+ if (detail.Description != null)
+ detailEntity.Description = detail.Description;
+
+ await _databaseContext.SaveChangesAsync();
+ }
+ }
+}
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