add routes for month report

app/controllers/entries_controller.rb

@@ -122,6 +122,37 @@ class EntriesController < ApplicationController
 		end
 	end
 	
+	def monthly_report
+		# Nur die wirklich benötigten Spalten abfragen
+		rows = current_user.entries
+		       .select(
+			       Arel.sql("DATE_TRUNC('month', date) AS month"),
+			       :praktikums_typ,
+			       :entry_art,
+			       Arel.sql("SUM(hours * 60 + minutes) AS total_minutes")
+		       )
+		       .group(
+			       Arel.sql("DATE_TRUNC('month', date)"),
+			       :praktikums_typ,
+			       :entry_art
+		       )
+		       .order(Arel.sql("DATE_TRUNC('month', date) DESC"))
+		
+		# In Hash-Struktur für die View umwandeln
+		@report = {}
+		rows.each do |r|
+			month = r.attributes["month"].to_date
+			total = r.attributes["total_minutes"].to_i
+			typ_art = [r.praktikums_typ, r.entry_art]
+			
+			@report[month] ||= {}
+			@report[month][typ_art] = {
+				total_minutes: total,
+				hours: total / 60,
+				minutes: total % 60
+			}
+		end
+	end
 	private
 	
 	def set_entry

app/views/entries/index.html.erb

@@ -144,7 +144,7 @@
 </div>
 
 
-<%= link_to '➕ Neuer Eintrag', new_entry_path, class: 'btn btn-info mt-3 w-100 w-md-auto mb-3' %>
+<%= link_to '➕ Neuer Eintrag', new_entry_path, class: 'btn btn-outline-primary mt-3 w-100 w-md-auto mb-3' %>
 
 
 

app/views/entries/monthly_report.html.erb

@@ -0,0 +1,29 @@
+<h1 class="mb‑4">Monats‑Report</h1>
+
+<% @report.each do |month, groups| %>
+  <div class="card mb‑4 mt-4">
+    <div class="card-header">
+      <strong><%= month.strftime("%B %Y") %></strong>
+    </div>
+    <div class="card-body">
+      <table class="table table‑sm table‑bordered table-striped ">
+        <thead>
+        <tr>
+          <th  style="width: 33%">Typ</th>
+          <th  style="width: 33%">Art</th>
+          <th  style="width: 33%">Gesamtzeit</th>
+        </tr>
+        </thead>
+        <tbody>
+        <% groups.each do |(typ, art), data| %>
+          <tr>
+            <td><%= typ.capitalize %></td>
+            <td><%= art %></td>
+            <td><%= data[:hours] %>h <%= data[:minutes] %>min</td>
+          </tr>
+        <% end %>
+        </tbody>
+      </table>
+    </div>
+  </div>
+<% end %>

app/views/layouts/application.html.erb

@@ -115,13 +115,16 @@
           <li class="nav-item">
             <%= link_to "Einträge", entries_path, class: "nav-link" %>
           </li>
+          <li class="nav-item">
+            <%= link_to "Monatsreport", monthly_report_entries_path, class: "nav-link" %>
+          </li>
           <li class="nav-item">
             <%= link_to "Profil", edit_user_registration_path, class: "nav-link" %>
           </li>
 
           <% if current_user.is_admin? %>
             <li class="nav-item">
-              <%= link_to "Database", db_dump_path, class: "nav-link" %>
+              <%= link_to "Admin", admin_root_url, class: "nav-link" %>
             </li>
           <% end %>
 

config/routes.rb

@@ -20,7 +20,7 @@ Rails.application.routes.draw do
 		registrations: 'users/registrations'
 	}
 	get '/impressum', to: 'static_pages#impressum'
-	
+	get "/monthly_report", to: "entries#monthly_report", as: :monthly_report_entries
 	post "/db_dump/restore", to: "db_dump#restore"
 	get "/db_dump/dump", to: "db_dump#dump"