Implemented remove action.

include/mon/web/content/show.hpp

@@ -13,6 +13,7 @@ namespace content {
 
 struct show : base_form {
     struct agent {
+        std::uint64_t id;
         std::string name;
         std::string target;
         std::vector<CheckResponse> stats;

src/web/monitor.cpp

@@ -2,7 +2,6 @@
 
 #include <mon/web/content/edit.hpp>
 #include <mon/web/content/error.hpp>
-#include <mon/web/content/remove.hpp>
 #include <mon/web/content/show.hpp>
 
 #include <cppcms/url_dispatcher.h>
@@ -111,8 +110,21 @@ void monitor::edit(const std::string agent_id) {
 void monitor::remove() {
     cppdb::session sql(m_db_pool->open());
     if (request().request_method() == "POST") {
-        content::remove data;
-        render("remove", data);
+
+        const std::string agent_id = request().post("agent_id");
+        if (!agent_id.empty()) {
+            sql << "DELETE FROM agents "
+                   "WHERE id = ?"
+                << agent_id
+                << cppdb::exec;
+            response().status(cppcms::http::response::ok);
+        } else {
+            response().status(cppcms::http::response::not_found);
+            content::error error;
+            error.brief = translate("Invalid request");
+            error.message = translate("agent_id is not set");
+            render("error", error);
+        }
     } else {
         response().status(cppcms::http::response::method_not_allowed);
         content::error error;
@@ -144,6 +156,7 @@ void monitor::show() {
         std::string name;
         std::string target;
         result >> id >> name >> target;
+        agents[id].id = id;
         agents[id].name = name;
         agents[id].target = target;
         agents[id].stats.resize(data.plugins.size());

static/plain/remove_agent.js

@@ -0,0 +1,10 @@
+function remove_agent(agent_id)
+{
+    $.post("remove", {
+        agent_id: agent_id
+    }).done(function(data) {
+        $("#agent_" + agent_id).remove();
+    }).fail(function(data) {
+        alert("Unable to remove agent id = " + agent_id);
+    });
+}

view/plain/show.tmpl

@@ -4,6 +4,10 @@
         <% template subtitle() %>
             <% gt "show" %>
         <% end template %>
+        <% template scripts() %>
+            <% include base_form::scripts() %>
+            <script src="/static/plain/remove_agent.js" type="text/javascript"></script>
+        <% end template %>
         <% template form() %>
             <h3><% gt "Agent statistics" %></h3>
             <% foreach agent in agents %>
@@ -19,8 +23,11 @@
                         <% end %>
                     </tr>
                     <% item %>
-                        <tr>
-                            <td><%= agent.name %></td>
+                        <tr id="agent_<%= agent.id %>">
+                            <td><%= agent.name %>
+                                <button title="Remove agent"
+                                        onclick="remove_agent(<%= agent.id %>)">x</button>
+                            </td>
                             <td><%= agent.target %></td>
                             <% foreach stat in agent.stats %>
                                 <% item %>