feat: domain blocker plugin

internal/admin/admin.go

@@ -98,6 +98,7 @@ func New(cfg *config.Config, database *db.Database, version string) *Admin {
 		"channel_detail.html",
 		"plugin_list.html",
 		"channel_plugins_list.html",
+		"channel_plugin_config.html",
 	}
 
 	for _, tf := range templateFiles {
@@ -143,6 +144,7 @@ func (a *Admin) RegisterRoutes(mux *http.ServeMux) {
 	mux.HandleFunc("/admin/channels", a.handleChannelList)
 	mux.HandleFunc("/admin/channels/", a.handleChannelDetail)
 	mux.HandleFunc("/admin/channelplugins", a.handleChannelPluginList)
+	mux.HandleFunc("/admin/channelplugins/config/", a.handleChannelPluginConfig)
 	mux.HandleFunc("/admin/channelplugins/", a.handleChannelPluginDetailOrDelete)
 }
 
@@ -628,6 +630,96 @@ func (a *Admin) handleChannelPluginList(w http.ResponseWriter, r *http.Request)
 	})
 }
 
+// handleChannelPluginConfig handles the channel plugin configuration route
+func (a *Admin) handleChannelPluginConfig(w http.ResponseWriter, r *http.Request) {
+	// Check if user is logged in
+	if !a.isLoggedIn(r) {
+		http.Redirect(w, r, "/admin/login", http.StatusSeeOther)
+		return
+	}
+
+	// Extract channel plugin ID from path
+	path := r.URL.Path
+	channelPluginID := strings.TrimPrefix(path, "/admin/channelplugins/config/")
+
+	// Convert channel plugin ID to int64
+	id, err := strconv.ParseInt(channelPluginID, 10, 64)
+	if err != nil {
+		http.Error(w, "Invalid channel plugin ID", http.StatusBadRequest)
+		return
+	}
+
+	// Get the channel plugin
+	channelPlugin, err := a.db.GetChannelPluginByID(id)
+	if err != nil {
+		http.Error(w, "Channel plugin not found", http.StatusNotFound)
+		return
+	}
+
+	// Get the plugin
+	p, err := plugin.Get(channelPlugin.PluginID)
+	if err != nil {
+		http.Error(w, "Plugin not found", http.StatusNotFound)
+		return
+	}
+
+	// Handle form submission
+	if r.Method == http.MethodPost {
+		// Parse form
+		if err := r.ParseForm(); err != nil {
+			http.Error(w, "Bad request", http.StatusBadRequest)
+			return
+		}
+
+		// Create config map from form values
+		config := make(map[string]interface{})
+		
+		// Process form values based on plugin type
+		if channelPlugin.PluginID == "security.domainblock" {
+			// Get blocked domains from form
+			blockedDomains := r.FormValue("blocked_domains")
+			config["blocked_domains"] = blockedDomains
+		} else {
+			// Generic handling for other plugins
+			for key, values := range r.Form {
+				if key == "form_submitted" {
+					continue
+				}
+				if len(values) == 1 {
+					config[key] = values[0]
+				} else {
+					config[key] = values
+				}
+			}
+		}
+
+		// Update plugin configuration
+		if err := a.db.UpdateChannelPluginConfig(id, config); err != nil {
+			http.Error(w, "Failed to update plugin configuration", http.StatusInternalServerError)
+			return
+		}
+
+		// Get the channel to redirect back to the channel detail page
+		channel, err := a.db.GetChannelByID(channelPlugin.ChannelID)
+		if err != nil {
+			a.addFlash(w, r, "Plugin configuration updated", "success")
+			http.Redirect(w, r, "/admin/channelplugins", http.StatusSeeOther)
+			return
+		}
+
+		a.addFlash(w, r, "Plugin configuration updated", "success")
+		http.Redirect(w, r, fmt.Sprintf("/admin/channels/%d", channel.ID), http.StatusSeeOther)
+		return
+	}
+
+	// Render template
+	a.render(w, r, "channel_plugin_config.html", TemplateData{
+		Title:         "Configure Plugin: " + p.GetName(),
+		ChannelPlugin: channelPlugin,
+		Plugins:       map[string]model.Plugin{channelPlugin.PluginID: p},
+	})
+}
+
 // handleChannelPluginDetailOrDelete handles the channel plugin detail or delete route
 func (a *Admin) handleChannelPluginDetailOrDelete(w http.ResponseWriter, r *http.Request) {
 	// Check if user is logged in

internal/admin/templates/channel_detail.html

@@ -68,6 +68,10 @@
                                             {{if $channelPlugin.Enabled}}Disable{{else}}Enable{{end}}
                                         </button>
                                     </form>
+                                    {{$plugin := index $.Plugins $pluginID}}
+                                    {{if $plugin.RequiresConfig}}
+                                    <a href="/admin/channelplugins/config/{{$channelPlugin.ID}}" class="btn btn-info btn-sm">Configure</a>
+                                    {{end}}
                                     <form method="post" action="/admin/channelplugins/{{$channelPlugin.ID}}/delete" class="d-inline">
                                         <button type="submit" class="btn btn-danger btn-sm"
                                             onclick="return confirm('Are you sure you want to remove this plugin?')">Remove</button>

internal/admin/templates/channel_plugin_config.html

@@ -0,0 +1,37 @@
+{{define "content"}}
+<div class="row">
+    <div class="col-md-12">
+        <div class="card">
+            <div class="card-header">
+                <h3 class="card-title">Configure Plugin: {{(index .Plugins .ChannelPlugin.PluginID).GetName}}</h3>
+            </div>
+            <div class="card-body">
+                <form method="post">
+                    <!-- Plugin configuration fields -->
+                    {{if eq .ChannelPlugin.PluginID "security.domainblock"}}
+                    <div class="mb-3">
+                        <label class="form-label">Blocked Domains</label>
+                        <input type="text" class="form-control" name="blocked_domains"
+                               value="{{with .ChannelPlugin.Config}}{{index . "blocked_domains"}}{{end}}"
+                               placeholder="example.com, evil.org, ads.com">
+                        <div class="form-text text-muted">
+                            Enter comma-separated list of domains to block (e.g., example.com, evil.org).
+                            Messages containing links to these domains will be blocked.
+                        </div>
+                    </div>
+                    {{else}}
+                    <div class="alert alert-warning">
+                        This plugin doesn't have specific configuration fields implemented yet.
+                    </div>
+                    {{end}}
+
+                    <div class="form-footer">
+                        <button type="submit" class="btn btn-primary">Save Configuration</button>
+                        <a href="/admin/channels/{{.ChannelPlugin.ChannelID}}" class="btn btn-secondary">Cancel</a>
+                    </div>
+                </form>
+            </div>
+        </div>
+    </div>
+</div>
+{{end}}

internal/admin/templates/channel_plugins_list.html

@@ -38,6 +38,10 @@
                                                 {{if $channelPlugin.Enabled}}Disable{{else}}Enable{{end}}
                                             </button>
                                         </form>
+                                        {{$plugin := index $.Plugins $pluginID}}
+                                        {{if $plugin.ConfigRequired}}
+                                            <a href="/admin/channelplugins/config/{{$channelPlugin.ID}}" class="btn btn-info btn-sm">Configure</a>
+                                        {{end}}
                                         <form method="post" action="/admin/channelplugins/{{$channelPlugin.ID}}/delete" class="d-inline">
                                             <button type="submit" class="btn btn-danger btn-sm"
                                                 onclick="return confirm('Are you sure you want to remove this plugin?')">Remove</button>
@@ -90,4 +94,4 @@
         </div>
     </div>
 </div>
-{{end}}
+{{end}}