- Added PricingPlan Model

- Implement a complete cycle for buying a Matrix Chat Host
- Refactor the Payement cycle and stripe related methods

matrixhosting/validators.py

@@ -0,0 +1,34 @@
+from django.core.validators import RegexValidator
+
+
+def _validator():
+
+    ul = '\u00a1-\uffff'  # unicode letters range (must not be a raw string)
+
+    # IP patterns
+    ipv4_re = r'(?:25[0-5]|2[0-4]\d|[0-1]?\d?\d)(?:\.(?:25[0-5]|2[0-4]\d|[0-1]?\d?\d)){3}'
+    ipv6_re = r'\[[0-9a-f:\.]+\]'  # (simple regex, validated later)
+
+    # Host patterns
+    hostname_re = r'[a-z' + ul + \
+        r'0-9](?:[a-z' + ul + r'0-9-]{0,61}[a-z' + ul + r'0-9])?'
+    # Max length for domain name labels is 63 characters per RFC 1034 sec. 3.1
+    domain_re = r'(?:\.(?!-)[a-z' + ul + r'0-9-]{1,63}(?<!-))*'
+    tld_re = (
+        r'\.'  # dot
+        r'(?!-)'  # can't start with a dash
+        r'(?:[a-z' + ul + '-]{2,63}'  # domain label
+        r'|xn--[a-z0-9]{1,59})'  # or punycode label
+        r'(?<!-)'  # can't end with a dash
+        r'\.?'  # may have a trailing dot
+        r'/?'
+    )
+    host_re = '(' + hostname_re + domain_re + tld_re + ')'
+    regex = (
+        r'(?:' + ipv4_re + '|' + ipv6_re + '|' + host_re + ')'
+        r'(?::\d{2,5})?'  # port
+        r'\Z')
+    return RegexValidator(regex, message='Enter a valid Domain (Not a URL)', code='invalid_domain')
+
+
+domain_name_validator = _validator()