1 files changed, 87 insertions, 0 deletions
diff --git a/source/Command/Channel/Delete.php b/source/Command/Channel/Delete.php
new file mode 100644
index 0000000..af7a791
--- /dev/null
+++ b/source/Command/Channel/Delete.php
@@ -0,0 +1,87 @@
+<?php
+/**
+ * @author stev leibelt <artodeto@bazzline.net>
+ * @since 2014-08-14
+ */
+
+/**
+ * Class Command_Channel_Delete
+ */
+class Command_Channel_Delete extends Command_Channel_AbstractCommand
+{
+    /**
+     * @var int
+     */
+    private $inputId;
+
+    /**
+     * @throws Exception
+     */
+    public function execute()
+    {
+        reset($this->channels);
+
+        $lines = $this->file->read();
+        $content = array();
+
+        foreach ($lines as $line) {
+            if ($line == '// Sample channel list:') {
+                $content[] = $line;
+                break;
+            } else {
+                $content[] = $line;
+            }
+        }
+
+        if (empty($this->channels)) {
+            throw new Exception(
+                'nothing to delete'
+            );
+        } else {
+            unset($this->channels[$this->inputId]);
+            $ids = array_values($this->channels);
+
+            if (!empty($ids)) {
+                foreach ($ids as $id => $name) {
+                    $content[] = '$channels[' . $id . '] = \'' . $name . '\';';
+                }
+            }
+
+            $this->file->write($content);
+        }
+    }
+
+    /**
+     * @return array
+     */
+    public function getUsage()
+    {
+        return array(
+            'channel_id=<channel id>',
+            '   available channels: ' . implode(',', array_keys($this->channels))
+        );
+    }
+
+    /**
+     * @throws Exception
+     */
+    public function verify()
+    {
+        if ($this->input->getNumberOfArguments() !== 1) {
+            throw new Exception(
+                'invalid number of arguments provided'
+            );
+        }
+
+        $validIds = array_keys($this->channels);
+        $inputId = $this->input->getParameterValue('channel_id');
+
+        if (!isset($validIds[$inputId])) {
+            throw new Exception(
+                'invalid name "' . $inputId . '" provided'
+            );
+        }
+
+        $this->inputId = $inputId;
+    }
+}