set logbook active on creation of first logbook

set station profile active on creation of first station profile
disabled deletion of active logbook
disabled deletion of active station profile

application/models/Logbooks_model.php

@@ -8,7 +8,7 @@ class Logbooks_model extends CI_Model {
 		return $this->db->get('station_logbooks');
 	}
 
-    function add() {
+	function add() {
 		// Create data array with field values
 		$data = array(
 			'user_id' => $this->session->userdata('user_id'),
@@ -16,14 +16,31 @@ class Logbooks_model extends CI_Model {
 		);
 
 		// Insert Records
-		$this->db->insert('station_logbooks', $data); 
+		$this->db->insert('station_logbooks', $data);
+		$logbook_id = $this->db->insert_id();
+
+		// check if user has no active logbook yet
+		if ($this->session->userdata('active_station_logbook') === null) {
+			// set logbook active
+			$this->set_logbook_active($logbook_id);
+
+			// update user session data
+			$CI =& get_instance();
+			$CI->load->model('user_model');
+			$CI->user_model->update_session($this->session->userdata('user_id'));
+		}
 	}
 
 	function delete($id) {
 		// Clean ID
 		$clean_id = $this->security->xss_clean($id);
 
-		// Delete QSOs
+		// do not delete active logbook
+		if ($this->session->userdata('active_station_logbook') === $clean_id) {
+			return;
+		}
+
+		// Delete logbook
 		$this->db->where('user_id', $this->session->userdata('user_id'));
 		$this->db->where('logbook_id', $id);
 		$this->db->delete('station_logbooks'); 

application/models/Stations.php

@@ -50,9 +50,16 @@ class Stations extends CI_Model {
 	*	Adds post material into the station profile table.
 	*/
 	function add() {
+		// check if user has no active station profile yet
+		$station_active = null;
+		if ($this->find_active() === '0') {
+			$station_active = 1;
+		}
+
 		// Create data array with field values
 		$data = array(
 			'user_id' => $this->session->userdata('user_id'),
+			'station_active' => $station_active,
 			'station_profile_name' => xss_clean($this->input->post('station_profile_name', true)),
 			'station_gridsquare' =>  xss_clean(strtoupper($this->input->post('gridsquare', true))),
 			'station_city' =>  xss_clean($this->input->post('city', true)),
@@ -106,6 +113,11 @@ class Stations extends CI_Model {
 		// Clean ID
 		$clean_id = $this->security->xss_clean($id);
 
+		// do not delete active station
+		if ($clean_id === $this->find_active()) {
+			return;
+		}
+
 		// Delete QSOs
 		$this->db->where('station_id', $id);
 		$this->db->delete($this->config->item('table_name'));

application/views/logbooks/index.php

@@ -43,8 +43,10 @@
 
 						<a href="<?php echo site_url('logbooks/edit')."/".$row->logbook_id; ?>" class="btn btn-outline-primary btn-sm"><i class="fas fa-edit"></i> Edit</a>
 
-					    <a href="<?php echo site_url('Logbooks/delete')."/".$row->logbook_id; ?>" class="btn btn-danger btn-sm" onclick="return confirm('Are you sure you want delete station profile <?php echo $row->logbook_name; ?> this will delete all QSOs within this station logbook?');"><i class="fas fa-trash-alt"></i> Delete</a>
-                    </td>
+						<?php if($this->session->userdata('active_station_logbook') != $row->logbook_id) { ?>
+						<a href="<?php echo site_url('Logbooks/delete')."/".$row->logbook_id; ?>" class="btn btn-danger btn-sm" onclick="return confirm('Are you sure you want delete station profile <?php echo $row->logbook_name; ?> this will delete all QSOs within this station logbook?');"><i class="fas fa-trash-alt"></i> Delete</a>
+						<?php } ?>
+					</td>
 				</tr>
 
 				<?php } ?>

application/views/station_profile/index.php

@@ -61,7 +61,7 @@
 					<td><?php echo $row->station_country;?></td>
 					<td><?php echo $row->station_gridsquare;?></td>
 					<td style="text-align: center">
-						<?php if($row->station_active != 1) { ?>			
+						<?php if($row->station_active != 1) { ?>
 							<a href="<?php echo site_url('station/set_active/').$current_active."/".$row->station_id; ?>" class="btn btn-outline-secondary btn-sm" onclick="return confirm('Are you sure you want to make station <?php echo $row->station_profile_name; ?> the active station?');">Set Active</a>
 						<?php } else { ?>
 							<span class="badge badge-success">Active Station</span>
@@ -84,7 +84,10 @@
                         <a href="<?php echo site_url('station/deletelog')."/".$row->station_id; ?>" class="btn btn-danger btn-sm" onclick="return confirm('Are you sure you want to delete all QSOs within this station profile?');"><i class="fas fa-trash-alt"></i> Empty Log</a></td>
                     </td>
 					<td>
-						<a href="<?php echo site_url('station/delete')."/".$row->station_id; ?>" class="btn btn-danger btn-sm" onclick="return confirm('Are you sure you want delete station profile <?php echo $row->station_profile_name; ?> this will delete all QSOs within this station profile?');"><i class="fas fa-trash-alt"></i> Delete Profile</a></td>
+						<?php if($row->station_active != 1) { ?>
+							<a href="<?php echo site_url('station/delete')."/".$row->station_id; ?>" class="btn btn-danger btn-sm" onclick="return confirm('Are you sure you want delete station profile <?php echo $row->station_profile_name; ?> this will delete all QSOs within this station profile?');"><i class="fas fa-trash-alt"></i> Delete Profile</a>
+						<?php } ?>
+					</td>
 				</tr>
 
 				<?php } ?>