From ab157d3357ce59c4dfd2a25f78a8e92e311cc062 Mon Sep 17 00:00:00 2001
From: Pavel Shevaev <pacha.shevaev@gmail.com>
Date: Mon, 23 Oct 2023 18:38:32 +0300
Subject: [PATCH] Initial commit

---
 .gitignore         |  1 +
 composer.json      | 11 ++++++
 mattermost.inc.php | 88 ++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 100 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 composer.json
 create mode 100644 mattermost.inc.php

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..6e92f57
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+tags
diff --git a/composer.json b/composer.json
new file mode 100644
index 0000000..edbdbe1
--- /dev/null
+++ b/composer.json
@@ -0,0 +1,11 @@
+{
+    "name": "bit/mattermost",
+    "description": "Mattermost simple utils",
+    "homepage": "https://git.bit5.ru/bit/mattermost",
+    "require": {
+        "php": ">=7.4"
+    },
+    "autoload": {
+        "classmap": ["mattermost.inc.php"]
+    }
+}
diff --git a/mattermost.inc.php b/mattermost.inc.php
new file mode 100644
index 0000000..c8d397f
--- /dev/null
+++ b/mattermost.inc.php
@@ -0,0 +1,88 @@
+<?php
+
+function mattermost_send($server, $token, $channel_id, $msg, $fields = [])
+{
+  $url = "$server/api/v4/posts";
+
+  $headers = [
+    'Content-Type: application/json',
+    'Authorization: Bearer ' . $token
+  ];
+
+  $fields['channel_id'] = $channel_id;
+  $fields['message'] = $msg;
+
+  $ch = curl_init($url);
+
+  curl_setopt($ch, CURLOPT_POST, true);
+  curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
+  curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($fields));
+  curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
+
+  $result = curl_exec($ch);
+  $status = curl_getinfo($ch, CURLINFO_HTTP_CODE);
+  curl_close($ch);
+
+  if($status != 201)
+    throw new Exception("Post failed with status: " . $status .", result: " . var_export($result, true));
+
+  return json_decode($result, true);
+}
+
+function mattermost_send_file($server, $token, $channel_id, $title, $filepath, $mime = 'application/octet-stream', $post_fields = [])
+{
+  $url = "$server/api/v4/files";
+
+  $headers = [
+    'Content-Type: multipart/form-data',
+    'Authorization: Bearer ' . $token
+  ];
+
+  $cfile = new \CURLFile(realpath($filepath), $mime, basename($filepath));
+
+  $upload_fields = [
+    'channel_id' => $channel_id,
+    'files'      => $cfile
+  ];
+
+  $ch = curl_init($url);
+  curl_setopt($ch, CURLOPT_POST, true);
+  curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
+  curl_setopt($ch, CURLOPT_POSTFIELDS, $upload_fields);
+  curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
+  curl_setopt($ch, CURLOPT_VERBOSE, true);
+  curl_setopt($ch, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1);
+
+  $result = curl_exec($ch);
+  $status = curl_getinfo($ch, CURLINFO_HTTP_CODE);
+  curl_close($ch);
+
+  if($status != 201)
+    throw new Exception("File failed with status: " . $status .", result: " . var_export($result, true));
+
+  $result = json_decode($result, true);
+  $file_id = $result['file_infos'][0]['id'];
+
+  $post_fields['file_ids'] = array($file_id);
+  return mattermost_send($server, $token, $channel_id, $title, $post_fields);
+}
+
+function mattermost_send_thread_with_replies($server, $token, $channel_id, $msg, array $replies, $fields = [])
+{
+  $mm_orig_resp = mattermost_send($server, $token, $channel_id, $msg, $fields);
+
+  $root_key = 'id';
+  if(!isset($mm_orig_resp[$root_key]))
+  {
+    echo "Failed to post to Mattermost: response contains no '$root_key' value to post thread replies:\n".json_encode($mm_orig_resp, JSON_PRETTY_PRINT)."\n"; 
+    return null;
+  }
+
+  $root_id = $mm_orig_resp[$root_key];
+  $fields['root_id'] = $root_id;
+
+  foreach($replies as $reply)
+    mattermost_send($server, $token, $channel_id, $reply, $fields); 
+
+  return $root_id;
+}