add DB Dump and const for SE

app/controllers/admin/application_controller.rb

@@ -12,6 +12,10 @@ module Admin
       redirect_to root_path, alert: "Kein Zugriff!" unless current_user.email =="christoph@marzell.net"
     end
     
+    def is_admin?
+      current_user&.email =="christoph@marzell.net"
+    end
+
     # Override this value to specify the number of elements to display at a time
     # on index pages. Defaults to 20.
     # def records_per_page

app/controllers/application_controller.rb

@@ -1,9 +1,14 @@
 class ApplicationController < ActionController::Base
 	before_action :configure_permitted_parameters, if: :devise_controller?
 	
-
+	def authenticate_admin
+		redirect_to root_path, alert: "Kein Zugriff!" unless current_user.email =="christoph@marzell.net"
+	end
 	def configure_permitted_parameters
 		devise_parameter_sanitizer.permit(:account_update, keys: [:total_required_hours, :weekly_target_hours, weekly_target_matrix: {}, required_hours_matrix: {}])
 	end
+	def is_admin?
+		current_user&.email =="christoph@marzell.net"
+	end
 	
 end

app/controllers/db_dump_controller.rb

@@ -0,0 +1,66 @@
+class DbDumpController < ApplicationController
+	before_action :authenticate_admin # Optional: Schutz davor
+	
+	def index
+	end
+	
+	def dump
+		filename = "dump_#{Time.now.strftime('%Y%m%d_%H%M%S')}.sql"
+		filepath = Rails.root.join("tmp", filename)
+		
+		db_config = ActiveRecord::Base.connection_db_config.configuration_hash
+		cmd = [
+			"pg_dump",
+			"-U", db_config[:username],
+			"-h", db_config[:host] || "localhost",
+			"-p", (db_config[:port] || 5432).to_s,
+			db_config[:database],
+			"-f", filepath.to_s
+		]
+		
+		
+		
+		ENV["PGPASSWORD"] = db_config[:password].to_s
+		
+		success = system(*cmd)
+		
+		ENV["PGPASSWORD"] = nil
+		
+		if File.exist?(filepath)
+			send_file filepath, type: "application/sql", filename: filename
+		else
+			render plain: "Dump fehlgeschlagen ❌", status: 500
+		end
+	end
+	
+	def restore
+		uploaded = params[:dump_file]
+		return render plain: "Keine Datei", status: 400 unless uploaded
+		
+		filepath = Rails.root.join("tmp", "upload_restore.sql")
+		File.binwrite(filepath, uploaded.read)
+		
+		db_config = ActiveRecord::Base.connection_db_config.configuration_hash
+		
+		cmd = [
+			"psql",
+			"-U", db_config[:username],
+			"-h", db_config[:host] || "localhost",
+			"-p", (db_config[:port] || 5432).to_s,
+			db_config[:database],
+			"-f", filepath.to_s
+		]
+		
+		ENV["PGPASSWORD"] = db_config[:password].to_s
+		
+		result = system(*cmd)
+		
+		ENV["PGPASSWORD"] = nil
+		if result
+			render plain: "Restore erfolgreich ✅"
+		else
+			render plain: "Restore fehlgeschlagen ❌", status: 500
+		end
+	end
+	
+end

app/controllers/entries_controller.rb

@@ -37,7 +37,7 @@ class EntriesController < ApplicationController
     end
     
     @fortbildungskosten_by_year = Entry.total_fortbildungskosten_by_year(current_user)
-    
+    @selbsterfahrungskosten_by_year = Entry.total_selbsterfahrungskosten_by_year(current_user)
     
     # Voraussichtliches Ende je Kombination basierend auf weekly_target_matrix
     @estimated_end_by_typ_art = {}

app/helpers/db_dump_helper.rb

@@ -0,0 +1,2 @@
+module DbDumpHelper
+end

app/models/entry.rb

@@ -29,6 +29,12 @@ class Entry < ApplicationRecord
       .transform_values { |entries| entries.sum { |e| e.kosten.to_f } }
   end
   
+  def self.total_selbsterfahrungskosten_by_year(user)
+    where(user: user, entry_art: 'Selbsterfahrung')
+      .group_by { |e| e.date.year }
+      .transform_values { |entries| entries.sum { |e| e.kosten.to_f } }
+  end
+  
   def jahr
     date.year
   end

app/views/db_dump/index.html.erb

@@ -0,0 +1,30 @@
+<!-- app/views/db_dump/index.html.erb -->
+<div class="container mt-5">
+  <h2 class="mb-4">📦 Datenbank-Backup & Wiederherstellung</h2>
+
+  <!-- Dump erstellen -->
+  <div class="card mb-4">
+    <div class="card-body">
+      <h5 class="card-title">🧾 Dump erstellen</h5>
+      <p class="card-text">Hier kannst du einen aktuellen Dump der Datenbank herunterladen.</p>
+      <a href="/db_dump/dump" class="btn btn-primary">
+        Dump jetzt herunterladen
+      </a>
+    </div>
+  </div>
+
+  <!-- Dump wiederherstellen -->
+  <div class="card">
+    <div class="card-body">
+      <h5 class="card-title">📤 Dump wiederherstellen</h5>
+      <p class="card-text">Wähle eine SQL-Dump-Datei, um die Datenbank wiederherzustellen.</p>
+
+      <%= form_with url: "/db_dump/restore", method: :post, local: true, html: { multipart: true, class: "needs-validation" } do |form| %>
+        <div class="mb-3">
+          <%= form.file_field :dump_file, class: "form-control", required: true %>
+        </div>
+        <%= form.submit "Dump einspielen", class: "btn btn-danger" %>
+      <% end %>
+    </div>
+  </div>
+</div>

app/views/entries/_form.html.erb

@@ -57,7 +57,6 @@
                             value: form.object.distance_km || 0 %>
     </div>
 
-    <div id="fortbildung-fields" style="<%= form.object.entry_art == "Fortbildung" ? '' : 'display: none;' %>">
       <div class="col-12 col-md-4">
         <%= form.label :beschreibung, 'Beschreibung', class: 'form-label' %>
         <%= form.text_field :beschreibung, class: 'form-control' %>
@@ -67,7 +66,6 @@
         <%= form.label :kosten, 'Kosten (z. B. Teilnahmegebühr)', class: 'form-label' %>
         <%= form.number_field :kosten, class: 'form-control', min: 0, step: 0.01 %>
       </div>
-    </div>
 
 
   </div>

app/views/entries/index.html.erb

@@ -18,6 +18,11 @@
       <p><strong><%= year %>:</strong> <%= number_to_currency(sum, unit: "€", separator: ",", delimiter: ".", precision: 2) %></p>
     <% end %>
 
+    <h5>💭 Selbsterfahrungskosten</h5>
+    <% @selbsterfahrungskosten_by_year.each do |year, sum| %>
+      <p><strong><%= year %>:</strong> <%= number_to_currency(sum, unit: "€", separator: ",", delimiter: ".", precision: 2) %></p>
+    <% end %>
+
 
     <p><strong>Gesamtzeit:</strong> <%= @total_minutes / 60 %> h <%= @total_minutes % 60 %> min</p>
   </div>
@@ -73,7 +78,7 @@
   <div class="mb-5">
     <h4 class="mb-3">📋 Einträge</h4>
     <div class="table-responsive">
-      <table class="table table-striped table-hover" id="entriesTable">
+      <table class="table table-striped table-hover table-bordered" id="entriesTable">
         <thead>
         <tr>
           <th data-sort-index="0" class="sortable">Datum</th>

app/views/layouts/application.html.erb

@@ -43,7 +43,7 @@
 </script>
 <nav class="navbar navbar-expand-lg navbar-light bg-light mb-4">
   <div class="container">
-    <%= link_to "Praktikumsuhr", root_path, class: "navbar-brand" %>
+    <%= link_to "⏱️ Praktikumsuhr", root_path, class: "navbar-brand" %>
 
     <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarSupportedContent">
       <span class="navbar-toggler-icon"></span>
@@ -58,6 +58,13 @@
           <li class="nav-item">
             <%= link_to "Profil", edit_user_registration_path, class: "nav-link" %>
           </li>
+
+          <% if  current_user&.email =="christoph@marzell.net" %>
+            <li class="nav-item">
+              <%= link_to "Database", db_dump_path, class: "nav-link" %>
+            </li>
+          <% end %>
+
           <li class="nav-item">
             <%= link_to "Abmelden", destroy_user_session_path, method: :delete, data: { turbo: false }, class: "nav-link" %>
           </li>

config/routes.rb

@@ -17,7 +17,10 @@ Rails.application.routes.draw do
 	}
   get '/impressum', to: 'static_pages#impressum'
   
+  post "/db_dump/restore", to: "db_dump#restore"
+  get "/db_dump/dump", to: "db_dump#dump"
   
+  get "/db_dump", to: "db_dump#index"
   # Define your application routes per the DSL in https://guides.rubyonrails.org/routing.html
 	
 	# Reveal health status on /up that returns 200 if the app boots with no exceptions, otherwise 500.