Thread Moderator Buttons: Pin and Lock

* The bottoms of threads have moderator buttons now, to easily Pin or
  Unpin the thread (for Owners + Admins) or to Lock/Unlock the thread
  (all moderators).

pkg/controller/forum/add_edit.go

@@ -170,6 +170,11 @@ func AddEdit() http.HandlerFunc {
 							forum.Private,
 						))
 
+						// If this is a Community forum, subscribe the owner to it immediately.
+						if forum.Category == "" {
+							models.CreateForumMembership(currentUser, forum)
+						}
+
 						return
 					} else {
 						session.FlashError(w, r, "Error creating the forum: %s", err)

pkg/controller/forum/moderators.go

@@ -5,6 +5,7 @@ import (
 	"net/http"
 	"strconv"
 
+	"code.nonshy.com/nonshy/website/pkg/config"
 	"code.nonshy.com/nonshy/website/pkg/log"
 	"code.nonshy.com/nonshy/website/pkg/models"
 	"code.nonshy.com/nonshy/website/pkg/session"
@@ -138,3 +139,91 @@ func ManageModerators() http.HandlerFunc {
 		}
 	})
 }
+
+// ModerateThread endpoint - perform a mod action like pinning or locking a thread.
+func ModerateThread() http.HandlerFunc {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		// Query params.
+		var (
+			threadID, err = strconv.Atoi(r.PathValue("id"))
+			intent        = r.PostFormValue("intent")
+			nextURL       = fmt.Sprintf("/forum/thread/%d", threadID)
+		)
+
+		if err != nil {
+			session.FlashError(w, r, "Invalid thread ID.")
+			templates.Redirect(w, nextURL)
+			return
+		}
+
+		// Get the current user.
+		currentUser, err := session.CurrentUser(r)
+		if err != nil {
+			session.FlashError(w, r, "Couldn't get current user: %s", err)
+			templates.Redirect(w, "/")
+			return
+		}
+
+		// Get this thread.
+		thread, err := models.GetThread(uint64(threadID))
+		if err != nil {
+			templates.NotFoundPage(w, r)
+			return
+		}
+
+		// Get its forum.
+		forum, err := models.GetForum(thread.ForumID)
+		if err != nil {
+			templates.NotFoundPage(w, r)
+			return
+		}
+
+		// User must at least be able to moderate.
+		if !forum.CanBeModeratedBy(currentUser) {
+			templates.ForbiddenPage(w, r)
+			return
+		}
+
+		// Does the user have Ownership level access (including privileged admins)
+		var isOwner = forum.OwnerID == currentUser.ID || currentUser.HasAdminScope(config.ScopeForumAdmin)
+
+		/****
+		 * Moderator level permissions.
+		 ***/
+		switch intent {
+		case "lock":
+			thread.NoReply = true
+			session.Flash(w, r, "This thread has been locked and will not be accepting any new replies.")
+		case "unlock":
+			thread.NoReply = false
+			session.Flash(w, r, "This thread has been unlocked and can accept new replies again.")
+		default:
+			if !isOwner {
+				// End of the road.
+				templates.ForbiddenPage(w, r)
+				return
+			}
+		}
+
+		/****
+		 * Owner + Admin level permissions.
+		 ***/
+		switch intent {
+		case "pin":
+			thread.Pinned = true
+			session.Flash(w, r, "This thread is now pinned to the top of the forum.")
+		case "unpin":
+			thread.Pinned = false
+			session.Flash(w, r, "This thread will no longer be pinned to the top of the forum.")
+		default:
+			session.FlashError(w, r, "Unknown moderator action.")
+		}
+
+		// Save changes to the thread.
+		if err := thread.Save(); err != nil {
+			session.FlashError(w, r, "Error saving thread: %s", err)
+		}
+
+		templates.Redirect(w, nextURL)
+	})
+}

pkg/router/router.go

@@ -87,6 +87,7 @@ func New() http.Handler {
 	mux.Handle("GET /forum", middleware.CertRequired(forum.Landing()))
 	mux.Handle("/forum/post", middleware.CertRequired(forum.NewPost()))
 	mux.Handle("GET /forum/thread/{id}", middleware.CertRequired(forum.Thread()))
+	mux.Handle("POST /forum/thread/{id}/moderate", middleware.CertRequired(forum.ModerateThread()))
 	mux.Handle("GET /forum/explore", middleware.CertRequired(forum.Explore()))
 	mux.Handle("GET /forum/newest", middleware.CertRequired(forum.Newest()))
 	mux.Handle("GET /forum/search", middleware.CertRequired(forum.Search()))

web/templates/base.html

@@ -17,7 +17,7 @@
     {{else}}
     <link rel="stylesheet" type="text/css" href="/static/css/nonshy-prefers-dark.css?build={{.BuildHash}}">
     {{end}}
-    <link rel="stylesheet" href="/static/fontawesome-free-6.1.2-web/css/all.css">
+    <link rel="stylesheet" href="/static/fontawesome-free-6.6.0-web/css/all.css">
     <link rel="stylesheet" href="/static/css/theme.css?build={{.BuildHash}}">
     <link rel="manifest" href="/manifest.json">
     <title>{{template "title" .}} - {{ .Title }}</title>

web/templates/forum/thread.html

@@ -368,6 +368,54 @@
     {{SimplePager .Pager}}
 </div>
 
+<!-- Moderator controls -->
+{{if .CanModerate}}
+    <div class="block p-2">
+        <form method="POST" action="/forum/thread/{{.Thread.ID}}/moderate">
+            {{InputCSRF}}
+
+            <div class="field has-addons">
+                <p class="control">
+                    <button type="button" class="button is-small has-text-info"
+                        onclick="alert('Note: These are your moderator controls for this forum thread.')">
+                        <span class="icon is-small">
+                            <i class="fa fa-user-tie"></i>
+                        </span>
+                    </button>
+                </p>
+
+                <!-- Pin/Unpin -->
+                {{if or (eq .Forum.OwnerID .CurrentUser.ID) (.CurrentUser.HasAdminScope "admin.forum.manage")}}
+                <p class="control">
+                    <button type="submit" class="button is-small has-text-success"
+                        name="intent"
+                        value="{{if .Thread.Pinned}}un{{end}}pin"
+                        onclick="return confirm('Are you sure you want to {{if .Thread.Pinned}}un{{end}}pin this thread to the top of the forum?')">
+                        <span class="icon is-small">
+                            <i class="fas fa-thumbtack{{if .Thread.Pinned}}-slash{{end}}"></i>
+                        </span>
+                        <span>{{if .Thread.Pinned}}Unp{{else}}P{{end}}in thread</span>
+                    </button>
+                </p>
+                {{end}}
+
+                <!-- Lock/Unlock -->
+                <p class="control">
+                    <button type="submit" class="button is-small has-text-warning"
+                        name="intent"
+                        value="{{if .Thread.NoReply}}un{{end}}lock"
+                        onclick="return confirm('Do you want to {{if .Thread.NoReply}}UN{{end}}LOCK this thread?\n\nA locked thread will not accept any new replies.')">
+                        <span class="icon is-small">
+                            <i class="fa fa-ban"></i>
+                        </span>
+                        <span>{{if .Thread.NoReply}}Unl{{else}}L{{end}}ock replies</span>
+                    </button>
+                </p>
+              </div>
+        </form>
+    </div>
+{{end}}
+
 {{if .Thread.NoReply}}
     <div class="block notification is-warning is-light">
         <i class="fa fa-ban pr-2"></i>