My solution

SOLUTION.md

@@ -1,13 +1,34 @@
-SOLUTION
-========
+#ADITIONAL FUNCTIONALITY
+========================
+
+-- Add another report that shows view percentage increase/decrease for a certain designer from previous year.
+
+Estimation
+----------
+Estimated: 2 hours
+
+
+#ADITIONAL FUNCTIONALITY
+========================
+
+-- Add a column that sums up all the views of a given year
+
+Estimation
+----------
+Estimated: 0.5 hours
+
+
+#ADITIONAL FUNCTIONALITY
+========================
+
+-- Add the option to only display a certain designer via user prompt
 
 Estimation
 ----------
-Estimated: n hours
+Estimated: 0.5 hours
 
-Spent: x hours
 
+#SOLUTION COMMENTS
+==================
 
-Solution
---------
-Comments on your solution
+Spent: 2 and a half hours. Would have been less if I wasn't on a MAC :) But I got the hang of it pretty fast.

TESTCASES.md

@@ -0,0 +1,18 @@
+Test case 1:
+Input argument "year": 2014
+- Check if the displayed data is correct.
+- Check if all the profile names are displayed and in the correct ascending order.
+- Check if n/a is displayed where there is no data availiable.
+
+Test case 2:
+Input argument "year": empty or int value is equal to 0
+- User is prompted with all the availiable year's that actually have populated records in the views table.
+From user prompt select year 2014 and then proceed with the same checks as in Test case 1.
+
+Test case 3:
+Input argument "year": invalid (example: 2008)
+- Check if error message is displayed.
+
+Test case 4:
+Input argument "year": -12312312
+- Check if it returns an exception.

src/Command/ReportYearlyCommand.php

@@ -2,18 +2,33 @@
 namespace BOF\Command;
 
 use Doctrine\DBAL\Driver\Connection;
+use Symfony\Component\Console\Input\InputArgument;
 use Symfony\Component\Console\Input\InputInterface;
 use Symfony\Component\Console\Input\InputOption;
 use Symfony\Component\Console\Output\OutputInterface;
 use Symfony\Component\Console\Style\SymfonyStyle;
 
 class ReportYearlyCommand extends ContainerAwareCommand
 {
+
+    private static $outputHeaderMonths = [1,2,3,4,5,6,7,8,9,10,11,12];
+
+    private function getOutputHeaderMonths()
+    {
+        return self::$outputHeaderMonths;
+    }
+
+    private function getViewsDataNotAvailiableString()
+    {
+        return "n/a";
+    }
+
     protected function configure()
     {
         $this
             ->setName('report:profiles:yearly')
             ->setDescription('Page views report')
+            ->addArgument('year', InputArgument::OPTIONAL, 'Please input the year you wish the report to be generated for.')
         ;
     }
 
@@ -22,11 +37,81 @@ protected function execute(InputInterface $input, OutputInterface $output)
         /** @var $db Connection */
         $io = new SymfonyStyle($input,$output);
         $db = $this->getContainer()->get('database_connection');
+
+        $inputYear = $input->getArgument('year');
+        if (intval($inputYear) === 0) {
+            $displayDataValidYears = $db->query('SELECT YEAR(v.date) AS date_year FROM profiles p JOIN views v ON v.profile_id = p.profile_id WHERE v.views > "0" AND v.views IS NOT NULL GROUP BY YEAR(v.date) ORDER BY YEAR(v.date) DESC')->fetchAll();
+
+            $yearChoices = [];
+            foreach ($displayDataValidYears as $displayDataValidYear) {
+                $yearChoices[] = $displayDataValidYear['date_year'];
+            }
+
+            if (count($yearChoices)) {
+                $inputYear = $io->choice('For which year would you like to display the report?', $yearChoices, $yearChoices[0]);
+            } else {
+                $io->caution("Error! There is no data availiable!");
+            }
+
+        }
+
+        $profiles = $db->query('SELECT p.profile_name, MONTH(v.date) as date_month, SUM(v.views) AS sum_views FROM profiles p JOIN views v ON v.profile_id = p.profile_id WHERE v.date >= "'.$inputYear.'-01-01" AND v.date <= "'.$inputYear.'-12-31" GROUP BY p.profile_name, MONTH(v.date) ORDER BY p.profile_name ASC')->fetchAll();
+
+        $outputHeader = ['Profile          '.$inputYear];
+        foreach ($this->getOutputHeaderMonths() as $outputHeaderMonth) {
+            $outputHeader[] = date('M', strtotime("2019-".str_pad($outputHeaderMonth, 2, "0", STR_PAD_LEFT)."-01"));
+        }
 
-        $profiles = $db->query('SELECT profile_name FROM profiles')->fetchAll();
+        $outputData = [];
+        foreach ($profiles as $profile) {
+            $this->newOutputDataProfileEntry($outputData, $profile['profile_name']);
 
-        // Show data in a table - headers, data
-        $io->table(['Profile'], $profiles);
+            if (!isset($outputData[$profile['profile_name']][$profile['date_month']])) {
+                $outputData[$profile['profile_name']][$profile['date_month']] = $profile['sum_views'];
+            } else {
+                $outputData[$profile['profile_name']][$profile['date_month']] += $profile['sum_views'];
+            }
+
+        }
 
+        if (count($outputData) === 0) {
+            $io->caution("No data exists for the chosen year!");
+        } else {
+            $this->checkOutputData($outputData);
+
+            $io->table($outputHeader, $outputData);
+        }
+
+
+    }
+
+    private function newOutputDataProfileEntry(&$outputData, $profileName)
+    {
+        if (!is_array($outputData) || trim($profileName) === "") {
+            return;
+        }
+
+        if (!isset($outputData[$profileName])) {
+            $outputData[$profileName] = [
+                'profile_name' => $profileName,
+            ];
+
+            foreach ($this->getOutputHeaderMonths() as $outputHeaderMonth) {
+                $outputData[$profileName][$outputHeaderMonth] = 0;
+            }
+        }
+    }
+
+    private function checkOutputData(&$outputData)
+    {
+        if (is_array($outputData) && count($outputData)) {
+            foreach ($outputData as $keyProfileName => $valData) {
+                foreach ($this->getOutputHeaderMonths() as $outputHeaderMonth) {
+                    if (!isset($valData[$outputHeaderMonth]) || $valData[$outputHeaderMonth] === 0) {
+                        $outputData[$keyProfileName][$outputHeaderMonth] = $this->getViewsDataNotAvailiableString();
+                    }
+                }
+            }
+        }
     }
 }