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includes/chat_send.inc.php

@@ -0,0 +1,57 @@
+<?php
+
+declare(strict_types=1);
+
+if ($_SERVER["REQUEST_METHOD"] == "POST") {
+    try {
+        require_once "dbh.inc.php";
+        require_once "chat_send_model.inc.php";
+        require_once "chat_send_view.inc.php";  
+        require_once "chat_send_contr.inc.php";
+        require_once "config_session.inc.php";
+
+        $errors = [];
+
+        // Check if user is logged in, if not do not check for other errors.
+        if (is_user_logged_in()){
+            $inputs = ["username"=>$_SESSION["username"],"message_content"=>$_POST["message_content"]];
+
+            if (isEmpty($inputs)) {
+                $errors = ["null_field" => "Form contains blank characters."];
+            }
+            if (!user_exists($pdo, $inputs["username"])) {
+                $errors = ["inexistent_user" => "User does not exist on db."];
+            }
+        } else {
+            $errors = ["not_logged_in" => "You haven't logged in."];
+        } 
+
+        if ($errors) {
+            $_SESSION["errors"] = $errors;
+
+            // Send back form
+            $entered_data = [
+                "message_content" => $inputs["message_content"]
+            ];
+
+            $_SESSION["entered_chat_data"] = $entered_data;
+
+            header("Location: ../chat.php");
+            $inputs = null;
+            die();
+        }
+
+        send_message($pdo, $inputs["username"], $inputs["message_content"]);
+
+        header("Location: ../chat.php");
+        $inputs = null;
+        die();
+    } catch (PDOException $e) {
+        echo "An error has ocurred: " . $e->getMessage();
+        exit();
+    }
+    
+} else {
+    echo "Wrong request type, please check your request.";
+    exit();
+}