work in progress on MarkdownTemplate interface

django_courriel/md.py

@@ -29,6 +29,8 @@ from .validation import (
     ValidAddressList,
 )
 
+InvalidAddress = InvalidAddressError
+
 logger = logging.getLogger(__name__)
 
 
@@ -72,6 +74,44 @@ class MarkdownTemplate:
         self.raw_content = self.load_raw_template(template_name)
         self.metadata, self.md_body = self.parse_template(self.raw_content)
         self.validate()
+        self._from_email = self._init_from_email()
+        self._to = self._init_address_list("to")
+        self._cc = self._init_address_list("cc")
+        self._bcc = self._init_address_list("bcc")
+        self._reply_to = self._init_address_list("reply_to")
+
+    def _init_from_email(self) -> ValidAddress | None:
+        raw_from = self.metadata.get("from_email")
+        if raw_from:
+            return ValidAddress.factory(raw_from)
+        return None
+
+    def _init_address_list(self, key: str) -> ValidAddressList:
+        raw_val = self.metadata.get(key)
+        if not raw_val:
+            return ValidAddressList()
+        items = [raw_val] if isinstance(raw_val, str) else list(raw_val)
+        return ValidAddressList(items)
+
+    @property
+    def from_email(self) -> ValidAddress | None:
+        return self._from_email
+
+    @property
+    def to(self) -> ValidAddressList:
+        return self._to
+
+    @property
+    def cc(self) -> ValidAddressList:
+        return self._cc
+
+    @property
+    def bcc(self) -> ValidAddressList:
+        return self._bcc
+
+    @property
+    def reply_to(self) -> ValidAddressList:
+        return self._reply_to
 
     @classmethod
     def load_raw_template(cls, template_name: str) -> str: