Add a check-metadata command

content/pages/a_page.md

@@ -2,6 +2,7 @@
 title Page1
 slug page1
 template_engine jinja2
+description 
 ---
 {
 

jssg/management/commands/check-metadata.py

@@ -0,0 +1,63 @@
+from django.core.management.base import BaseCommand
+from django.conf import settings
+from jssg.models import Page
+from pathlib import Path
+
+class MetadataStatus :
+
+    @classmethod
+    def get_metadata_status_for(cls, page) :
+        metadata_status = MetadataStatus()
+        metadata_status.missing = []
+        metadata_status.empty = []
+        for required_metadata in settings.JFME_CONTENT_REQUIRED_METADATA :
+            if required_metadata not in page.metadata :
+                metadata_status.missing.append(required_metadata)
+            elif page.metadata[required_metadata] == "" :
+                metadata_status.empty.append(required_metadata)
+        metadata_status.complete = (metadata_status.missing == []) and (metadata_status.empty == [])
+        if len(settings.JFME_CONTENT_REQUIRED_METADATA) > 0 :
+            metadata_status.progression = (len(settings.JFME_CONTENT_REQUIRED_METADATA) - len(metadata_status.missing) - len(metadata_status.empty)) * 100 / len(settings.JFME_CONTENT_REQUIRED_METADATA)
+        else :
+            metadata_status.progression = 100
+        return metadata_status
+
+class Command(BaseCommand):
+    help = "Check if metadata in JFME_CONTENT_REQUIRED_METADATA setting are specified in pages."
+
+    def add_arguments(self, parser):
+        parser.add_argument(
+            "--verbose",
+            action = "store_true",
+            help="Show missing or empty metadata in each page."
+        )
+        parser.add_argument(
+            "content path",
+            nargs = "*",
+            type=str,
+            default=settings.JFME_PAGES_DIRS,
+            help="The paths where search the pages. Set to JFME_PAGES_DIRS by default."
+        )
+
+    def handle(self, *args, **options) :
+
+        if settings.JFME_CONTENT_REQUIRED_METADATA == [] :
+            self.stdout.write(self.style.WARNING(
+                "Warning : no metadata specified in JFME_CONTENT_REQUIRED_METADATA setting."
+            ))
+
+        for page in Page.load_glob(path = list(map(lambda p : Path(p).absolute(), options["content path"])), all = True) :
+
+            metadata_status = MetadataStatus.get_metadata_status_for(page)
+
+            self.stdout.write("{:3.0f}% : {}".format(
+                metadata_status.progression,
+                page.path.relative_to(page.content_page_dir))
+            )
+
+            if options["verbosity"] > 1 or options["verbose"] :
+               if not metadata_status.complete :
+                    for missing in metadata_status.missing :
+                       self.stdout.write("\t- '%s' is missing" % missing)
+                    for empty in metadata_status.empty :
+                       self.stdout.write("\t- '%s' is empty" % empty) 

jssg/settings.py

@@ -52,7 +52,7 @@
 JFME_POSTS_DIRS = [path / "posts" for path in JFME_CONTENT_DIRS]
 JFME_TEMPLATES_DIRS = [path / "templates" for path in JFME_CONTENT_DIRS]
 JFME_STATIC_DIRS = [path / "static" for path in JFME_CONTENT_DIRS]
-
+JFME_CONTENT_REQUIRED_METADATA = ["title", "slug", "lang", "description"]
 
 
 # Application definition