1 files changed, 71 insertions, 0 deletions
diff --git a/blog/post.py b/blog/post.py
new file mode 100644
index 0000000..1d35b6c
--- /dev/null
+++ b/blog/post.py
@@ -0,0 +1,71 @@
+import os
+import shutil
+import datetime
+import functools
+
+import render
+
+
+class Metadata(object):
+    __slots__ = ("title", "date", "status")
+
+    def __init__(self, title, date, status):
+        self.title = title
+        self.date = date
+        self.status = status
+
+
+class Post(object):
+    def __init__(self, template, directory):
+        self.template = template
+        self.directory = directory
+        self.name = os.path.basename(directory)
+
+    @staticmethod
+    def _load_raw_metadata(filename):
+        data = {}
+
+        with open(filename) as f:
+            for line in f:
+                k, v = line.strip().split(": ")
+                data[k] = v
+
+        return data
+
+    @functools.cached_property
+    def metadata(self):
+        raw = Post._load_raw_metadata(os.path.join(self.directory,
+                                                   "metadata.txt"))
+
+        title = raw["Title"]
+        date = raw.get("Date", datetime.date.today().strftime("%Y-%m-%d"))
+        status = raw.get("Status", "draft")
+
+        return Metadata(title, date, status)
+
+    def is_draft(self):
+        return self.metadata.status == "draft"
+
+    def generate(self, basedir):
+        postdir = os.path.basename(self.directory)
+        workdir = os.path.join(basedir, postdir)
+        os.makedirs(workdir)
+
+        md = None
+        for filename in os.listdir(self.directory):
+            source = os.path.join(self.directory, filename)
+            destination = os.path.join(workdir, filename)
+
+            shutil.copy(source, destination)
+
+            if filename.endswith(".md"):
+                md = source
+
+        assert md, f"There is no markdown file in `{self.directory}`"
+
+        body = render.to_html(md)
+        rendered = self.template.render(title=self.metadata.title,
+                                        date=self.metadata.date,
+                                        body=body)
+        render.write_file_content(os.path.join(workdir, "index.html"),
+                                  rendered)