1 files changed, 109 insertions, 0 deletions
diff --git a/back-end/src/Model/FeedMeta.cs b/back-end/src/Model/FeedMeta.cs
new file mode 100644
index 0000000..7cd788a
--- /dev/null
+++ b/back-end/src/Model/FeedMeta.cs
@@ -0,0 +1,109 @@
+/*
+* Copyright (c) 2023 Vaughn Nugent
+* 
+* Library: CMNext
+* Package: Content.Publishing.Blog.Admin
+* File: FeedMeta.cs 
+*
+* CMNext is free software: you can redistribute it and/or modify 
+* it under the terms of the GNU Affero General Public License as 
+* published by the Free Software Foundation, either version 3 of the
+* License, or (at your option) any later version.
+*
+* CMNext is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+* GNU Affero General Public License for more details.
+*
+* You should have received a copy of the GNU Affero General Public License
+* along with this program. If not, see https://www.gnu.org/licenses/.
+*/
+
+using System.Text.Json.Serialization;
+using System.Text.RegularExpressions;
+
+using FluentValidation;
+
+using VNLib.Plugins.Extensions.Validation;
+
+namespace Content.Publishing.Blog.Admin.Model
+{
+    internal class FeedMeta : IBlogFeedContext
+    {
+        private static readonly Regex FileNameRegex = new(@"^[a-zA-Z0-9_.\-]+$", RegexOptions.Compiled);
+        private static readonly Regex HttpUrlRegex = new(@"^https?://", RegexOptions.Compiled | RegexOptions.IgnoreCase);
+
+        [JsonPropertyName("url")]
+        public string PublihUrl { get; set; } = string.Empty;
+
+        [JsonPropertyName("path")]
+        public string FeedPath { get; set; } = string.Empty;
+
+        [JsonPropertyName("image")]
+        public string ImageUrl { get; set; } = string.Empty;
+
+        [JsonPropertyName("description")]
+        public string? Description { get; set; }
+
+        [JsonPropertyName("maxItems")]
+        public int? MaxItems { get; set; }
+
+        [JsonPropertyName("author")]
+        public string? Author { get; set; }
+
+        [JsonPropertyName("contact")]
+        public string? WebMaster { get; set; }
+
+        [JsonPropertyName("properties")]
+        public ExtendedProperty[]? ExtendedProperties { get; set; }
+
+
+        public static IValidator<FeedMeta> GetValidator()
+        {
+            InlineValidator<FeedMeta> validator = new();
+
+            validator.RuleFor(x => x.PublihUrl)
+                .NotEmpty()
+                .MaximumLength(200)
+                .Matches(HttpUrlRegex)
+                .WithMessage("Your feed url is not a valid http url");
+
+            validator.RuleFor(x => x.FeedPath)
+                .NotEmpty()
+                .MaximumLength(200)
+                .Must(static p => !p.StartsWith('/') && !p.StartsWith('\\'))
+                .WithMessage("The feed file path must not contain a leading slash")
+                .Matches(FileNameRegex)
+                .WithMessage("The feed file name is not valid");
+
+            validator.RuleFor(x => x.ImageUrl)
+                .MaximumLength(200)
+                .Must(static x => string.IsNullOrWhiteSpace(x) || HttpUrlRegex.IsMatch(x))
+                .WithMessage("The image url is not a valid http url");
+
+            validator.RuleFor(x => x.Description!)
+                .NotEmpty()
+                .IllegalCharacters()
+                .MaximumLength(200);
+
+            //Cap max items at 100
+            validator.RuleFor(x => x.MaxItems)
+                .InclusiveBetween(1, 100);
+
+            validator.RuleFor(x => x.Author!)
+                .SpecialCharacters()
+                .MaximumLength(200);
+
+            validator.RuleFor(x => x.WebMaster!)
+                .IllegalCharacters()
+                .MaximumLength(200);
+
+            //Make sure the keys for each propery are valid
+            validator.RuleForEach(x => x.ExtendedProperties)
+                      .ChildRules(r => r.RuleFor(k => k.Name!).IllegalCharacters())
+                      .When(x => x.ExtendedProperties != null);
+
+            return validator;
+        }
+    }
+}