From d25db2e06c4ec2b012302ca87acb7289c42cb50c Mon Sep 17 00:00:00 2001
From: Robert Muehsig <robert.muehsig@code-developer.de>
Date: Tue, 17 Jun 2014 20:26:48 +0200
Subject: [PATCH] "UI" Paging in profiles

---
 .../Controllers/UsersController.cs            |  8 +---
 src/NuGetGallery/UrlExtensions.cs             | 41 +++++++++++++------
 .../ViewModels/UserProfileModel.cs            | 36 ++++++++++++----
 src/NuGetGallery/Views/Users/Profiles.cshtml  | 16 +++++---
 4 files changed, 70 insertions(+), 31 deletions(-)

diff --git a/src/NuGetGallery/Controllers/UsersController.cs b/src/NuGetGallery/Controllers/UsersController.cs
index 5db156a70d..50794f10b1 100644
--- a/src/NuGetGallery/Controllers/UsersController.cs
+++ b/src/NuGetGallery/Controllers/UsersController.cs
@@ -253,7 +253,7 @@ public virtual async Task<ActionResult> Confirm(string username, string token)
             return View(model);
         }
 
-        public virtual ActionResult Profiles(string username)
+        public virtual ActionResult Profiles(string username, int page = 1)
         {
             var user = UserService.FindByUsername(username);
             if (user == null)
@@ -269,11 +269,7 @@ public virtual ActionResult Profiles(string username)
                     Version = null
                 }).ToList();
 
-            var model = new UserProfileModel(user)
-            {
-                Packages = packages,
-                TotalPackageDownloadCount = packages.Sum(p => p.TotalDownloadCount),
-            };
+            var model = new UserProfileModel(user, packages, page - 1, Constants.DefaultPackageListPageSize, Url);
 
             return View(model);
         }
diff --git a/src/NuGetGallery/UrlExtensions.cs b/src/NuGetGallery/UrlExtensions.cs
index fbdbb96eea..93821428f3 100644
--- a/src/NuGetGallery/UrlExtensions.cs
+++ b/src/NuGetGallery/UrlExtensions.cs
@@ -70,6 +70,8 @@ public static string PackageList(this UrlHelper url, int page, string q)
             });
         }
 
+
+
         public static string CuratedPackageList(this UrlHelper url, int page, string q, string curatedFeedName)
         {
             return url.Action("ListPackages", "CuratedFeeds", new
@@ -141,7 +143,7 @@ public static string PackageDownload(this UrlHelper url, int feedVersion, string
             string routeName = "v" + feedVersion + RouteName.DownloadPackage;
             string protocol = url.RequestContext.HttpContext.Request.IsSecureConnection ? "https" : "http";
             string result = url.RouteUrl(routeName, new { Id = id, Version = version }, protocol: protocol);
-            
+
             // Ensure trailing slashes for versionless package URLs, as a fix for package filenames that look like known file extensions
             return version == null ? EnsureTrailingSlash(result) : result;
         }
@@ -198,14 +200,26 @@ public static string UploadPackage(this UrlHelper url)
             return url.RouteUrl(RouteName.UploadPackage);
         }
 
-        public static string User(this UrlHelper url, User user, string scheme = null)
+        public static string User(this UrlHelper url, User user, int page = 1, string scheme = null)
         {
-            string result = url.Action(
-                actionName: "Profiles", 
-                controllerName: "Users", 
-                routeValues: new { username = user.Username }, 
-                protocol: scheme);
-            return EnsureTrailingSlash(result);
+            string result;
+            if (page == 1)
+            {
+                result = url.Action(actionName: "Profiles",
+                                    controllerName: "Users",
+                                    routeValues: new { username = user.Username },
+                                    protocol: scheme);
+            }
+            else
+            {
+                result = url.Action(actionName: "Profiles",
+                                    controllerName: "Users",
+                                    routeValues: new { username = user.Username, page = page },
+                                    protocol: scheme);
+            }
+
+
+            return result;
         }
 
         public static string EditPackage(this UrlHelper url, string id, string version)
@@ -221,9 +235,10 @@ public static string EditPackage(this UrlHelper url, string id, string version)
         public static string DeletePackage(this UrlHelper url, IPackageVersionModel package)
         {
             return url.Action(
-                actionName: "Delete", 
-                controllerName: "Packages", 
-                routeValues: new {
+                actionName: "Delete",
+                controllerName: "Packages",
+                routeValues: new
+                {
                     id = package.Id,
                     version = package.Version
                 });
@@ -252,8 +267,8 @@ public static string ConfirmationUrl(this UrlHelper url, string action, string c
             rvd["username"] = username;
             rvd["token"] = token;
             return url.Action(
-                action, 
-                controller, 
+                action,
+                controller,
                 rvd,
                 url.RequestContext.HttpContext.Request.Url.Scheme,
                 url.RequestContext.HttpContext.Request.Url.Host);
diff --git a/src/NuGetGallery/ViewModels/UserProfileModel.cs b/src/NuGetGallery/ViewModels/UserProfileModel.cs
index ee8e4865c0..f630e3aa2d 100644
--- a/src/NuGetGallery/ViewModels/UserProfileModel.cs
+++ b/src/NuGetGallery/ViewModels/UserProfileModel.cs
@@ -1,22 +1,44 @@
 using System.Collections.Generic;
+using System.Linq;
+using System.Web.Mvc;
 
 namespace NuGetGallery
 {
     public class UserProfileModel
     {
-        public UserProfileModel() { }
-
-        public UserProfileModel(User user)
+        public UserProfileModel(User user, List<PackageViewModel> allPackages, int pageIndex, int pageSize, UrlHelper url)
         {
             Username = user.Username;
             EmailAddress = user.EmailAddress;
             UnconfirmedEmailAddress = user.UnconfirmedEmailAddress;
+            AllPackages = allPackages;
+            TotalPackages = allPackages.Count;
+            PackagePage = pageIndex;
+            PackagePageSize = pageSize;
+            
+            TotalPackageDownloadCount = AllPackages.Sum(p => p.TotalDownloadCount);
+
+            PackagePageTotalCount = (TotalPackages + PackagePageSize - 1) / PackagePageSize;
+
+            var pager = new PreviousNextPagerViewModel<PackageViewModel>(allPackages, pageIndex, PackagePageTotalCount,
+                page => url.User(user, page));
+
+            Pager = pager;
+            PagedPackages = AllPackages.Skip(PackagePageSize * pageIndex)
+                                       .Take(PackagePageSize).ToList();
         }
 
-        public string Username { get; set; }
-        public string EmailAddress { get; set; }
+        public int PackagePageTotalCount { get; private set; }
+        public string Username { get; private set; }
+        public string EmailAddress { get; private set; }
         public string UnconfirmedEmailAddress { get; set; }
-        public ICollection<PackageViewModel> Packages { get; set; }
-        public int TotalPackageDownloadCount { get; set; }
+        public ICollection<PackageViewModel> AllPackages { get; private set; }
+        public ICollection<PackageViewModel> PagedPackages { get; private set; }
+        public int TotalPackageDownloadCount { get; private set; }
+        public int TotalPackages { get; private set; }
+        public int PackagePage { get; private set; }
+        public int PackagePageSize { get; private set; }
+        public IPreviousNextPager Pager { get; private set; }
+
     }
 }
\ No newline at end of file
diff --git a/src/NuGetGallery/Views/Users/Profiles.cshtml b/src/NuGetGallery/Views/Users/Profiles.cshtml
index 666de66e6f..2d96ce4f75 100644
--- a/src/NuGetGallery/Views/Users/Profiles.cshtml
+++ b/src/NuGetGallery/Views/Users/Profiles.cshtml
@@ -12,8 +12,8 @@
     }
     <div id="stats">
         <div class="stat">
-            <p class="stat-number">@Model.Packages.Count.ToString("n0")</p>
-            <p class="stat-label">@(Model.Packages.Count == 1 ? "Package" : "Packages")</p>
+            <p class="stat-number">@Model.AllPackages.Count.ToString("n0")</p>
+            <p class="stat-label">@(Model.AllPackages.Count == 1 ? "Package" : "Packages")</p>
         </div>
         <div class="stat">
             <p class="stat-number">@Model.TotalPackageDownloadCount.ToString("n0")</p>
@@ -24,9 +24,13 @@
 
 <h1 class="page-heading">@Model.Username's Profile</h1>
 
-<h2>Packages</h2>
+<h2>Packages
+     @if (Model.PackagePageTotalCount > 1)
+{
+    <small>(Page @(Model.PackagePage + 1) of @Model.PackagePageTotalCount)</small>
+}</h2>
 <ul id="searchResults">
-    @foreach (var package in Model.Packages)
+    @foreach (var package in Model.PagedPackages)
     {
         <li>
             <section class="package">
@@ -59,4 +63,6 @@
             </section>
         </li>
     }
-</ul>
\ No newline at end of file
+</ul>
+
+@ViewHelpers.PreviousNextPager(Model.Pager)
\ No newline at end of file