From 5860170c1fed2342232d7e35015b669e8b8ec471 Mon Sep 17 00:00:00 2001
From: Michael <Michael@some.where>
Date: Fri, 7 Apr 2017 09:57:24 -0400
Subject: Add "edit page" button to wiki

---
 .../Controllers/WikiControllerController.cs        | 44 ++++++++++++++++++++++
 Project-Unite/Models/WikiModels.cs                 |  1 +
 Project-Unite/Project-Unite.csproj                 |  1 +
 Project-Unite/Views/Wiki/EditPage.cshtml           | 29 ++++++++++++++
 Project-Unite/Views/Wiki/Index.cshtml              |  7 ++++
 5 files changed, 82 insertions(+)
 create mode 100644 Project-Unite/Views/Wiki/EditPage.cshtml

diff --git a/Project-Unite/Controllers/WikiControllerController.cs b/Project-Unite/Controllers/WikiControllerController.cs
index a8e9f26..391c57d 100644
--- a/Project-Unite/Controllers/WikiControllerController.cs
+++ b/Project-Unite/Controllers/WikiControllerController.cs
@@ -22,6 +22,50 @@ namespace Project_Unite.Controllers
             return View(model);
         }
 
+        [Authorize]
+        public ActionResult EditPage(string id)
+        {
+            var db = new ApplicationDbContext();
+            var model = new AddWikiPageViewModel();
+            var wiki = db.WikiPages.FirstOrDefault(x => x.Id == id);
+            if (wiki == null)
+                return new HttpStatusCodeResult(404);
+            model.Content = wiki.Contents;
+            model.Name = wiki.Name;
+            model.ParentId = wiki.CategoryId;
+            model.PageId = id;
+            return View(model);
+        }
+
+        [Authorize]
+        [ValidateAntiForgeryToken]
+        [HttpPost]
+        public ActionResult EditPage(AddWikiPageViewModel model)
+        {
+            if (!ModelState.IsValid)
+                return View(model);
+            var db = new ApplicationDbContext();
+
+            var wiki = db.WikiPages.FirstOrDefault(x => x.Id == model.PageId);
+            if (wiki == null)
+                return new HttpStatusCodeResult(404);
+            var edit = new ForumPostEdit();
+            edit.PreviousState = wiki.Contents;
+            edit.EditedAt = DateTime.Now;
+            edit.UserId = User.Identity.GetUserId();
+            edit.Id = Guid.NewGuid().ToString();
+            edit.Parent = wiki.Id;
+
+            db.ForumPostEdits.Add(edit);
+
+            wiki.Contents = model.Content;
+            wiki.CategoryId = model.ParentId;
+
+            db.SaveChanges();
+
+            return RedirectToAction("Index", new { id = model.PageId });
+        }
+
         public ActionResult Random()
         {
             var db = new ApplicationDbContext();
diff --git a/Project-Unite/Models/WikiModels.cs b/Project-Unite/Models/WikiModels.cs
index 29144d3..fee128f 100644
--- a/Project-Unite/Models/WikiModels.cs
+++ b/Project-Unite/Models/WikiModels.cs
@@ -16,6 +16,7 @@ namespace Project_Unite.Models
         [AllowHtml]
         [Required(ErrorMessage = "Please enter content for your page.")]
         public string Content { get; set; }
+        public string PageId { get; set; }
     }
 
     public class AddWikiCategoryViewModel
diff --git a/Project-Unite/Project-Unite.csproj b/Project-Unite/Project-Unite.csproj
index 42daee2..b5724bd 100644
--- a/Project-Unite/Project-Unite.csproj
+++ b/Project-Unite/Project-Unite.csproj
@@ -546,6 +546,7 @@
     <Content Include="Views\Developer\Wiki.cshtml" />
     <Content Include="Views\Developer\AddWikiCategory.cshtml" />
     <Content Include="Views\Wiki\AddPage.cshtml" />
+    <Content Include="Views\Wiki\EditPage.cshtml" />
   </ItemGroup>
   <ItemGroup>
     <Folder Include="App_Data\" />
diff --git a/Project-Unite/Views/Wiki/EditPage.cshtml b/Project-Unite/Views/Wiki/EditPage.cshtml
new file mode 100644
index 0000000..6c75028
--- /dev/null
+++ b/Project-Unite/Views/Wiki/EditPage.cshtml
@@ -0,0 +1,29 @@
+@model Project_Unite.Models.AddWikiPageViewModel
+@{
+    ViewBag.Title = "Edit page";
+}
+
+<h2>Edit @Model.Name</h2>
+
+@using (Html.BeginForm())
+{
+    @Html.AntiForgeryToken()
+    @Html.HiddenFor(Model=>Model.PageId)
+    @Html.HiddenFor(Model=>Model.Name)
+
+    <table class="table">
+        <tr>
+            <td style="width:35%">Category:</td>
+            <td>@Html.DropDownListFor(Model=>Model.ParentId, Model.Parents, new{@class="form-control"})</td>
+        </tr>
+        <tr>
+            <td>Contents:</td>
+            <td>@Html.TextAreaFor(Model=>Model.Content, new{@class="form-control", rows="10"})</td>
+        </tr>
+        <tr>
+            <td></td>
+            <td><input type="submit" class="btn btn-primary" value="Edit" /></td>
+        </tr>
+    </table>
+}
+
diff --git a/Project-Unite/Views/Wiki/Index.cshtml b/Project-Unite/Views/Wiki/Index.cshtml
index d3772a2..02c2845 100644
--- a/Project-Unite/Views/Wiki/Index.cshtml
+++ b/Project-Unite/Views/Wiki/Index.cshtml
@@ -81,6 +81,13 @@
 
                     <p><strong>Last edited by @Html.UserLink(edit.UserId) on @edit.EditedAt</strong></p>
 
+                if (Request.IsAuthenticated)
+                {
+                    <ul>
+                        <li><a href="@Url.Action("EditPage", new { id = Model.Page.Id })"><span class="glyphicon glyphicon-pencil"></span> Edit this page</a></li>
+                    </ul>
+                }
+
                 <p>@Html.Markdown(Model.Page.Contents)</p>
 
                 if (Request.IsAuthenticated)
-- 
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