Metar: TEMPO and trend causing issue with values being overwritten

app/Support/Metar.php

@@ -515,7 +515,7 @@ public function parse_all(): array
         // Delete null values from the TAF report
         if ($this->result['taf'] === true) {
             foreach ($this->result as $parameter => $value) {
-                if (!$value) {
+                if ($value === null) {
                     unset($this->result[$parameter]);
                 }
             }
@@ -530,7 +530,8 @@ public function parse_all(): array
         } else {
             /* @noinspection NestedPositiveIfStatementsInspection */
             if (array_key_exists('cloud_height', $this->result) && $this->result['cloud_height'] !== null) {
-                if ($this->result['cloud_height']['ft'] > 3000 && $this->result['visibility']['nmi'] > 5) {
+                if ($this->result['cloud_height']['ft'] > 3000
+                    && (empty($this->result['visibility']) || $this->result['visibility']['nmi'] > 5)) {
                     $this->result['category'] = 'VFR';
                 } else {
                     $this->result['category'] = 'IFR';
@@ -868,11 +869,11 @@ private function get_visibility($part)
         $this->set_result_value('cavok', false, true);
 
         // Cloud and visibilty OK or ICAO visibilty greater than 10 km
-        if ($found[1] === 'CAVOK' || $found[1] === '9999') {
+        if (strtoupper($found[1]) === 'CAVOK' || $found[1] === '9999') {
             $this->set_result_value('visibility', $this->createDistance(10000, 'm'));
             $this->set_result_value('visibility_report', 'Greater than 10 km');
             /* @noinspection NotOptimalIfConditionsInspection */
-            if ($found[1] === 'CAVOK') {
+            if (strtoupper($found[1]) === 'CAVOK') {
                 $this->set_result_value('cavok', true);
                 $this->method += 4; // can skip the next 4 methods: visibility_min, runway_vr, present_weather, clouds
             }
@@ -1484,6 +1485,8 @@ private function get_trends($part)
             return false;
         }
 
+        // Ignore trends
+        return true;
         // Detects TAF on report
         if ($this->part <= 4) {
             $this->set_result_value('taf', true);

modules/Awards/Awards/PilotFlightAwards.php

@@ -8,7 +8,7 @@
  * Simple example of an awards class, where you can apply an award when a user
  * has 100 flights. All award classes need to extend Award and implement the check() method
  *
- * See: http://docs.phpvms.net/customizing/awards
+ * See: https://docs.phpvms.net/developers/awards
  */
 class PilotFlightAwards extends Award
 {

phpunit.xml

@@ -34,7 +34,7 @@
         <server name="APP_DEBUG" value="true"/>
         <server name="APP_LOG_LEVEL" value="error"/>
         <server name="BCRYPT_ROUNDS" value="4"/>
-        <server name="CACHE_DRIVER" value="array"/>
+        <server name="CACHE_DRIVER" value="none"/>
         <server name="DB_CONNECTION" value="memory"/>
         <server name="DB_PREFIX" value="vmstest_"/>
         <server name="MAIL_MAILER" value="array"/>

tests/MetarTest.php

@@ -173,6 +173,22 @@ public function testHttpCallSuccess()
         $this->assertInstanceOf(Metar::class, $airportSvc->getMetar('kjfk'));
     }
 
+    /**
+     * TEMPO and trend causing issue with values being overwritten
+     * https://github.com/nabeelio/phpvms/issues/861
+     */
+    public function testLFRSCall()
+    {
+        $this->mockXmlResponse('aviationweather/lfrs.xml');
+
+        /** @var AirportService $airportSvc */
+        $airportSvc = app(AirportService::class);
+
+        $metar = $airportSvc->getMetar('lfrs');
+        $this->assertInstanceOf(Metar::class, $metar);
+        $this->assertTrue($metar['cavok']);
+    }
+
     public function testHttpCallSuccessFullResponse()
     {
         $this->mockXmlResponse('aviationweather/kphx.xml');

tests/data/aviationweather/lfrs.xml

@@ -0,0 +1,32 @@
+<response xmlns:xsd="http://www.w3.org/2001/XMLSchema"
+          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="1.2"
+          xsi:noNamespaceSchemaLocation="http://www.aviationweather.gov/static/adds/schema/metar1_2.xsd">
+    <request_index>109074758</request_index>
+    <data_source name="metars"/>
+    <request type="retrieve"/>
+    <errors/>
+    <warnings/>
+    <time_taken_ms>7</time_taken_ms>
+    <data num_results="1">
+        <METAR>
+            <raw_text>LFRS 101630Z AUTO 32007KT 280V340 CAVOK 15/05 Q1027 TEMPO SCT035TCU</raw_text>
+            <station_id>LFRS</station_id>
+            <observation_time>2020-10-10T16:30:00Z</observation_time>
+            <latitude>47.17</latitude>
+            <longitude>-1.6</longitude>
+            <temp_c>15.0</temp_c>
+            <dewpoint_c>5.0</dewpoint_c>
+            <wind_dir_degrees>320</wind_dir_degrees>
+            <wind_speed_kt>7</wind_speed_kt>
+            <visibility_statute_mi>6.21</visibility_statute_mi>
+            <altim_in_hg>30.324802</altim_in_hg>
+            <quality_control_flags>
+                <auto>TRUE</auto>
+            </quality_control_flags>
+            <sky_condition sky_cover="CAVOK"/>
+            <flight_category>VFR</flight_category>
+            <metar_type>SPECI</metar_type>
+            <elevation_m>26.0</elevation_m>
+        </METAR>
+    </data>
+</response>