From ac769e656b122ff569c3f1534701b71e00fed586 Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Tue, 27 Oct 2020 19:21:35 +0800
Subject: Split front and back end.

---
 BackEnd/Timeline/Models/Http/Timeline.cs | 219 +++++++++++++++++++++++++++++++
 1 file changed, 219 insertions(+)
 create mode 100644 BackEnd/Timeline/Models/Http/Timeline.cs

(limited to 'BackEnd/Timeline/Models/Http/Timeline.cs')

diff --git a/BackEnd/Timeline/Models/Http/Timeline.cs b/BackEnd/Timeline/Models/Http/Timeline.cs
new file mode 100644
index 00000000..a81b33f5
--- /dev/null
+++ b/BackEnd/Timeline/Models/Http/Timeline.cs
@@ -0,0 +1,219 @@
+using AutoMapper;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Mvc.Infrastructure;
+using Microsoft.AspNetCore.Mvc.Routing;
+using System;
+using System.Collections.Generic;
+using Timeline.Controllers;
+
+namespace Timeline.Models.Http
+{
+    /// <summary>
+    /// Info of post content.
+    /// </summary>
+    public class TimelinePostContentInfo
+    {
+        /// <summary>
+        /// Type of the post content.
+        /// </summary>
+        public string Type { get; set; } = default!;
+        /// <summary>
+        /// If post is of text type. This is the text.
+        /// </summary>
+        public string? Text { get; set; }
+        /// <summary>
+        /// If post is of image type. This is the image url.
+        /// </summary>
+        public string? Url { get; set; }
+        /// <summary>
+        /// If post has data (currently it means it's a image post), this is the data etag.
+        /// </summary>
+        public string? ETag { get; set; }
+    }
+
+    /// <summary>
+    /// Info of a post.
+    /// </summary>
+    public class TimelinePostInfo
+    {
+        /// <summary>
+        /// Post id.
+        /// </summary>
+        public long Id { get; set; }
+        /// <summary>
+        /// Content of the post. May be null if post is deleted.
+        /// </summary>
+        public TimelinePostContentInfo? Content { get; set; }
+        /// <summary>
+        /// True if post is deleted.
+        /// </summary>
+        public bool Deleted { get; set; }
+        /// <summary>
+        /// Post time.
+        /// </summary>
+        public DateTime Time { get; set; }
+        /// <summary>
+        /// The author. May be null if the user has been deleted.
+        /// </summary>
+        public UserInfo? Author { get; set; } = default!;
+        /// <summary>
+        /// Last updated time.
+        /// </summary>
+        public DateTime LastUpdated { get; set; } = default!;
+    }
+
+    /// <summary>
+    /// Info of a timeline.
+    /// </summary>
+    public class TimelineInfo
+    {
+        /// <summary>
+        /// Unique id.
+        /// </summary>
+        public string UniqueId { get; set; } = default!;
+        /// <summary>
+        /// Title.
+        /// </summary>
+        public string Title { get; set; } = default!;
+        /// <summary>
+        /// Name of timeline.
+        /// </summary>
+        public string Name { get; set; } = default!;
+        /// <summary>
+        /// Last modified time of timeline name.
+        /// </summary>
+        public DateTime NameLastModifed { get; set; } = default!;
+        /// <summary>
+        /// Timeline description.
+        /// </summary>
+        public string Description { get; set; } = default!;
+        /// <summary>
+        /// Owner of the timeline.
+        /// </summary>
+        public UserInfo Owner { get; set; } = default!;
+        /// <summary>
+        /// Visibility of the timeline.
+        /// </summary>
+        public TimelineVisibility Visibility { get; set; }
+#pragma warning disable CA2227 // Collection properties should be read only
+        /// <summary>
+        /// Members of timeline.
+        /// </summary>
+        public List<UserInfo> Members { get; set; } = default!;
+#pragma warning restore CA2227 // Collection properties should be read only
+        /// <summary>
+        /// Create time of timeline.
+        /// </summary>
+        public DateTime CreateTime { get; set; } = default!;
+        /// <summary>
+        /// Last modified time of timeline.
+        /// </summary>
+        public DateTime LastModified { get; set; } = default!;
+
+#pragma warning disable CA1707 // Identifiers should not contain underscores
+        /// <summary>
+        /// Related links.
+        /// </summary>
+        public TimelineInfoLinks _links { get; set; } = default!;
+#pragma warning restore CA1707 // Identifiers should not contain underscores
+    }
+
+    /// <summary>
+    /// Related links for timeline.
+    /// </summary>
+    public class TimelineInfoLinks
+    {
+        /// <summary>
+        /// Self.
+        /// </summary>
+        public string Self { get; set; } = default!;
+        /// <summary>
+        /// Posts url.
+        /// </summary>
+        public string Posts { get; set; } = default!;
+    }
+
+    public class TimelineInfoLinksValueResolver : IValueResolver<Timeline, TimelineInfo, TimelineInfoLinks>
+    {
+        private readonly IActionContextAccessor _actionContextAccessor;
+        private readonly IUrlHelperFactory _urlHelperFactory;
+
+        public TimelineInfoLinksValueResolver(IActionContextAccessor actionContextAccessor, IUrlHelperFactory urlHelperFactory)
+        {
+            _actionContextAccessor = actionContextAccessor;
+            _urlHelperFactory = urlHelperFactory;
+        }
+
+        public TimelineInfoLinks Resolve(Timeline source, TimelineInfo destination, TimelineInfoLinks destMember, ResolutionContext context)
+        {
+            var actionContext = _actionContextAccessor.AssertActionContextForUrlFill();
+            var urlHelper = _urlHelperFactory.GetUrlHelper(actionContext);
+
+            return new TimelineInfoLinks
+            {
+                Self = urlHelper.ActionLink(nameof(TimelineController.TimelineGet), nameof(TimelineController)[0..^nameof(Controller).Length], new { source.Name }),
+                Posts = urlHelper.ActionLink(nameof(TimelineController.PostListGet), nameof(TimelineController)[0..^nameof(Controller).Length], new { source.Name })
+            };
+        }
+    }
+
+    public class TimelinePostContentResolver : IValueResolver<TimelinePost, TimelinePostInfo, TimelinePostContentInfo?>
+    {
+        private readonly IActionContextAccessor _actionContextAccessor;
+        private readonly IUrlHelperFactory _urlHelperFactory;
+
+        public TimelinePostContentResolver(IActionContextAccessor actionContextAccessor, IUrlHelperFactory urlHelperFactory)
+        {
+            _actionContextAccessor = actionContextAccessor;
+            _urlHelperFactory = urlHelperFactory;
+        }
+
+        public TimelinePostContentInfo? Resolve(TimelinePost source, TimelinePostInfo destination, TimelinePostContentInfo? destMember, ResolutionContext context)
+        {
+            var actionContext = _actionContextAccessor.AssertActionContextForUrlFill();
+            var urlHelper = _urlHelperFactory.GetUrlHelper(actionContext);
+
+            var sourceContent = source.Content;
+
+            if (sourceContent == null)
+            {
+                return null;
+            }
+
+            if (sourceContent is TextTimelinePostContent textContent)
+            {
+                return new TimelinePostContentInfo
+                {
+                    Type = TimelinePostContentTypes.Text,
+                    Text = textContent.Text
+                };
+            }
+            else if (sourceContent is ImageTimelinePostContent imageContent)
+            {
+                return new TimelinePostContentInfo
+                {
+                    Type = TimelinePostContentTypes.Image,
+                    Url = urlHelper.ActionLink(
+                        action: nameof(TimelineController.PostDataGet),
+                        controller: nameof(TimelineController)[0..^nameof(Controller).Length],
+                        values: new { Name = source.TimelineName, Id = source.Id }),
+                    ETag = $"\"{imageContent.DataTag}\""
+                };
+            }
+            else
+            {
+                throw new InvalidOperationException(Resources.Models.Http.Exception.UnknownPostContentType);
+            }
+        }
+    }
+
+    public class TimelineInfoAutoMapperProfile : Profile
+    {
+        public TimelineInfoAutoMapperProfile()
+        {
+            CreateMap<Timeline, TimelineInfo>().ForMember(u => u._links, opt => opt.MapFrom<TimelineInfoLinksValueResolver>());
+            CreateMap<TimelinePost, TimelinePostInfo>().ForMember(p => p.Content, opt => opt.MapFrom<TimelinePostContentResolver>());
+            CreateMap<TimelinePatchRequest, TimelineChangePropertyRequest>();
+        }
+    }
+}
-- 
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