From 3b1bade3c59e870c9d2cc4130c5d7fd191f05307 Mon Sep 17 00:00:00 2001
From: Mohanna Shahrad <mshahrad@amazon.com>
Date: Thu, 25 Aug 2022 16:23:40 +0000
Subject: [PATCH] Added the common directory - common files and functions
 between all the patterns

---
 cloud_templates/.gitignore                    |  2 ++
 cloud_templates/aws_cdk/common/__init__.py    |  0
 .../aws_cdk/common/customExceptions.py        | 31 +++++++++++++++++++
 .../aws_cdk/common/inputValidation.py         | 10 ++++++
 4 files changed, 43 insertions(+)
 create mode 100644 cloud_templates/.gitignore
 create mode 100644 cloud_templates/aws_cdk/common/__init__.py
 create mode 100644 cloud_templates/aws_cdk/common/customExceptions.py
 create mode 100644 cloud_templates/aws_cdk/common/inputValidation.py

diff --git a/cloud_templates/.gitignore b/cloud_templates/.gitignore
new file mode 100644
index 0000000..e793802
--- /dev/null
+++ b/cloud_templates/.gitignore
@@ -0,0 +1,2 @@
+.DS_Store
+aws_cdk/common/__pycache__/
diff --git a/cloud_templates/aws_cdk/common/__init__.py b/cloud_templates/aws_cdk/common/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/cloud_templates/aws_cdk/common/customExceptions.py b/cloud_templates/aws_cdk/common/customExceptions.py
new file mode 100644
index 0000000..93ca756
--- /dev/null
+++ b/cloud_templates/aws_cdk/common/customExceptions.py
@@ -0,0 +1,31 @@
+class NoSQL(Exception):
+    
+    def __init__(self):
+        self.message = "No sql statemtnt is provided. Please refer to README.md for more information."
+   
+    def __str__(self):
+        return(repr(self.message))
+
+class NoTimestreamDimension(Exception):
+    
+    def __init__(self):
+        self.message = "No dimesnsion is provided. Each record contains an array of dimensions (minimum 1).Please refer to README.md for more information."
+   
+    def __str__(self):
+        return(repr(self.message))        
+
+class WrongLengthForInput(Exception):
+    
+    def __init__(self, message):
+        self.message = message
+   
+    def __str__(self):
+        return(repr(self.message))  
+
+class WrongFormattedInput(Exception):
+    
+    def __init__(self, message):
+        self.message = message
+   
+    def __str__(self):
+        return(repr(self.message))                                          
\ No newline at end of file
diff --git a/cloud_templates/aws_cdk/common/inputValidation.py b/cloud_templates/aws_cdk/common/inputValidation.py
new file mode 100644
index 0000000..ee84eaf
--- /dev/null
+++ b/cloud_templates/aws_cdk/common/inputValidation.py
@@ -0,0 +1,10 @@
+import re
+from common.customExceptions import *
+
+def checkInputLength(self, min_length, max_length, input, resource_name):
+        if len(input) < min_length or len(input) > max_length:
+            raise WrongLengthForInput(f"Invalid input length for {resource_name}'s name. Check the README.md file for more details.")
+
+def checkInputPattern(self, pattern, input, resource_name):
+        if not re.match(pattern, input):
+            raise WrongFormattedInput(f"Invalid input pattern for {resource_name}'s name. Check the README.md file for more details.")  
\ No newline at end of file