UTM for links on posts

2026-07-31 00:29:24 +03:00 · 2020-03-04 11:55:10 +04:00
parent 8f8898e901
commit 768a0d064f
5 changed files with 79 additions and 9 deletions
@@ -0,0 +1,11 @@
+namespace Kruzya.TelegramBot.RichSiteSummary.UrchinTrackingModule
+{
+    public struct UtmParameters
+    {
+        public string Source;
+        public string Type;
+        public string Campaign;
+        public string Term;
+        public string Content;
+    }
+}
@@ -0,0 +1,50 @@
+using System;
+using System.Collections.Generic;
+using System.Collections.Specialized;
+using System.Web;
+using Microsoft.EntityFrameworkCore.Internal;
+
+namespace Kruzya.TelegramBot.RichSiteSummary.UrchinTrackingModule
+{
+    public class UtmUtility
+    {
+        public static string ApplyParameters(string url, UtmParameters parameters)
+        {
+            var uri = new Uri(url);
+            var query = HttpUtility.ParseQueryString(uri.Query);
+            
+            SetIfNotNull(query, "utm_source", parameters.Source);
+            SetIfNotNull(query, "utm_medium", parameters.Type);
+            SetIfNotNull(query, "utm_campaign", parameters.Campaign);
+            SetIfNotNull(query, "utm_term", parameters.Term);
+            SetIfNotNull(query, "utm_content", parameters.Content);
+            
+            var uriBuilder = new UriBuilder(uri);
+            uriBuilder.Query = BuildQueryString(query);
+            return uriBuilder.ToString();
+        }
+
+        protected static string BuildQueryString(NameValueCollection query)
+        {
+            var queryParameters = new List<string>();
+
+            foreach (var keyName in query.AllKeys)
+            {
+                var value = query[keyName];
+                queryParameters.Add($"{HttpUtility.UrlEncode(keyName)}={HttpUtility.UrlEncode(value)}");
+            }
+
+            return String.Join('&', queryParameters);
+        }
+        
+        protected static void SetIfNotNull(NameValueCollection queryParameteters, string key, string value)
+        {
+            if (string.IsNullOrWhiteSpace(value))
+            {
+                return;
+            }
+            
+            queryParameteters.Set(key, value);
+        }
+    }
+}