Add ability to override generic survey data.

csv-generic/gen-generic.php

@@ -64,6 +64,7 @@ foreach ($lga_list as $lga) {
     $dir = dirname($lga['config-file']);
     $dir_files = scandir($dir);
     $output_file = $dir."/candidates-generic.csv";
+    $override_file = $dir."/candidates-override.csv";
 
     if (($handle = fopen($output_file, "w")) === FALSE) {
         error_log('Error opening output file');
@@ -75,6 +76,7 @@ foreach ($lga_list as $lga) {
         exit(3);
     }
 
+    $lines = [];
     foreach ($lga_candidates as $candidate) {
         /* Add extension to photo hash */
         if (strlen($candidate['Photo'])) {
@@ -86,19 +88,52 @@ foreach ($lga_list as $lga) {
             }
         }
 
-        $fields = [
+        $lines[] = [
             $candidate['match_ward'],
             $candidate['Name'],
             $candidate['Score'],
             $candidate['Pledge'],
             $candidate['Photo'],
         ];
+    }
 
-        if (fputcsv($handle, $fields) === FALSE) {
+    /* Apply overrides if they exist */
+    $overrides = [];
+    if (file_exists($override_file)) {
+        if (($ovr_handle = fopen($override_file, "r")) !== FALSE) {
+            $headers = fgetcsv($ovr_handle);
+            while (($data = fgetcsv($ovr_handle)) !== FALSE) {
+                $override = [];
+                foreach ($headers as $key => $value) {
+                    $override[$value] = $data[$key];
+                }
+                $overrides[] = $override;
+            }
+            fclose($ovr_handle);
+        } else {
+            error_log('Error opening overrides file');
+            exit(3);
+        }
+    }
+
+    foreach ($overrides as $override) {
+        foreach ($lines as $line_key => $line) {
+            foreach ($header as $index => $field) {
+                if (($override['Field'] === $field) && 
+                        ($line[$index] === $override['Old'])) {
+                    $lines[$line_key][$index] = $override['New'];
+                }
+            }
+        }
+    }
+
+    foreach ($lines as $line) {
+        if (fputcsv($handle, $line) === FALSE) {
             error_log('Error writing candidate to output file');
             exit(3);
         }
     }
+    fclose($handle);
 }
 
 exit(0);