Added LotW-Gradient to add_qso and changed getting lotw-info from File to DB

application/controllers/Logbook.php

@@ -98,30 +98,15 @@ class Logbook extends CI_Controller {
 		$callsign = str_replace("-","/",$callsign);
 
 		// Check if callsign is an LOTW User
-		$lotw_member = "";
-		$lotw_file_name = "./updates/lotw_users.csv";
-
-		if (file_exists($lotw_file_name)) {
-			$f = fopen($lotw_file_name, "r");
-			$result = false;
-			while ($row = fgetcsv($f)) {
-				if ($row[0] == strtoupper($callsign)) {
-					$result = $row[0];
-					$lotw_member = "active";
-					break;
-				}
-			}
-
-			if($lotw_member != "active") {
-				$lotw_member = "not found";
-			}
-			fclose($f);
-		} else {
-			$lotw_member = "not found";
-		}
-
 		// Check Database for all other data
 		$this->load->model('logbook_model');
+	
+		$lotw_days=$this->logbook_model->check_last_lotw($callsign);
+		if ($lotw_days != null) {
+			$lotw_member="active";
+		} else {
+			$lotw_member="not found";
+		}
 
 		$return = [
 			"callsign" => strtoupper($callsign),
@@ -137,6 +122,7 @@ class Logbook extends CI_Controller {
 			"bearing" 		=> "",
 			"workedBefore" => false,
 			"lotw_member" => $lotw_member,
+			"lotw_days" => $lotw_days,
 			"image" => "",
 		];
 

application/models/Logbook_model.php

@@ -296,6 +296,16 @@ class Logbook_model extends CI_Model {
     $this->add_qso($data, $skipexport = false);
   }
 
+  public function check_last_lotw($call){	// Fetch difference in days when $call has last updated LotW
+
+	  $sql="select datediff(now(),lastupload) as DAYS from lotw_users where callsign = ?";	// Use binding to prevent SQL-injection
+	  $query = $this->db->query($sql, $call);
+	  $row = $query->row();
+	  if (isset($row)) {
+		  return($row->DAYS);
+	  }
+  }
+
   public function check_station($id){
 
     $this->db->select('station_profile.*, dxcc_entities.name as station_country');

application/views/qso/index.php

@@ -65,7 +65,7 @@
                 <div class="form-group col-md-9">
                   <label for="callsign"><?php echo lang('gen_hamradio_callsign'); ?></label>
                   <input type="text" class="form-control" id="callsign" name="callsign" required>
-                  <small id="callsign_info" class="badge badge-secondary"></small> <small id="lotw_info" class="badge badge-light"></small>
+                  <small id="callsign_info" class="badge badge-secondary"></small> <small id="lotw_info" class="badge badge-success"></small>
                 </div>
                 <div class="form-group col-md-3 align-self-center">
                   <small id="qrz_info" class="badge badge-secondary"></small>

assets/js/sections/qso.js

@@ -329,6 +329,9 @@ function reset_fields() {
 	$('#country').val("");
 	$('#continent').val("");
 	$('#lotw_info').text("");
+	$('#lotw_info').removeClass("lotw_info_red");
+	$('#lotw_info').removeClass("lotw_info_yellow");
+	$('#lotw_info').removeClass("lotw_info_orange");
 	$('#qrz_info').text("");
 	$('#hamqth_info').text("");
 	$('#sota_info').text("");
@@ -457,6 +460,17 @@ $("#callsign").focusout(function() {
 
 				if(result.lotw_member == "active") {
 					$('#lotw_info').text("LoTW");
+					if (result.lotw_days > 365) {
+						$('#lotw_info').addClass('lotw_info_red');
+					} else if (result.lotw_days > 30) {
+						$('#lotw_info').addClass('lotw_info_orange');
+						$lotw_hint = ' lotw_info_orange';
+					} else if (result.lotw_days > 7) {
+						$('#lotw_info').addClass('lotw_info_yellow');
+					}
+					$('#lotw_info').attr('data-toggle',"tooltip");
+					$('#lotw_info').attr('data-original-title',"LoTW User. Last upload was "+result.lotw_days+" days ago");
+					$('[data-toggle="tooltip"]').tooltip();
 				}
 				$('#qrz_info').html('<a target="_blank" href="https://www.qrz.com/db/'+find_callsign+'"><img width="32" height="32" src="'+base_url+'images/icons/qrz.com.png"></a>'); 
 				$('#qrz_info').attr('title', 'Lookup '+find_callsign+' info on qrz.com');