messages refactor

district/forms.py

 from django import forms
+from django.contrib.messages import ERROR, WARNING
 from wagtail.admin.forms import WagtailAdminPageForm
 from wagtail.core.models.collections import Collection
 
@@ -63,29 +64,26 @@ class JekyllImportForm(WagtailAdminPageForm):
             return cleaned_data
 
         if cleaned_data.get("dry_run"):
-            error_list = perform_import(
-                article_parent_page=self.instance,
-                collection=self.cleaned_data["collection"],
-                url=self.cleaned_data["jekyll_repo_url"],
-                dry_run=True,
-                use_git=self.cleaned_data["use_git"],
-            )
-            # self.instance.import_error_list = error_list
-
-            for error in error_list:
-                self.add_error("jekyll_repo_url", error)
+            import_message_list = self.handle_import()
+            for message in import_message_list:
+                if message["level"] in (WARNING, ERROR):
+                    self.add_error("jekyll_repo_url", message["text"])
 
         return cleaned_data
 
-    def save(self, commit=True):
-        if self.cleaned_data.get("do_import") and not self.cleaned_data["dry_run"]:
-            error_list = perform_import(
+    def handle_import(self):
+        import_message_list = perform_import(
             article_parent_page=self.instance,
             collection=self.cleaned_data["collection"],
             url=self.cleaned_data["jekyll_repo_url"],
-                dry_run=False,
+            dry_run=self.cleaned_data["dry_run"],
             use_git=self.cleaned_data["use_git"],
         )
-            self.instance.import_error_list = error_list
+        self.instance.import_message_list = import_message_list
+        return import_message_list
+
+    def save(self, commit=True):
+        if self.cleaned_data.get("do_import") and not self.cleaned_data["dry_run"]:
+            self.handle_import()
 
         return super().save(commit=commit)

district/jekyll_import.py

@@ -11,6 +11,7 @@ from typing import List
 
 import markdown.serializers
 import yaml
+from django.contrib.messages import ERROR, INFO, SUCCESS, WARNING
 from django.core.files.images import ImageFile
 from django.utils.dateparse import parse_date
 from markdown import Markdown
@@ -22,6 +23,8 @@ from wagtail.images.models import Image
 # Wagtail to portrebuje https://docs.wagtail.io/en/stable/extending/rich_text_internals.html#data-format
 markdown.serializers.HTML_EMPTY.add("embed")
 
+message_list = []
+
 
 # Plain format pro perex
 def unmark_element(element, stream=None):
@@ -93,13 +96,11 @@ def import_post(path, file_path, parent, title_suffix, dry_run):
     if DistrictArticlePage.objects.filter(title=meta["title"]).exists():
         for article in DistrictArticlePage.objects.filter(title=meta["title"]):
             if article.date == parse_date(meta["date"].split()[0]):
-                warning = "Article already imported: %s" % article
-                stdout.write(warning)
-
-                if dry_run:
-                    return article, warning
+                msg = "Článek již existuje: %s" % article
+                stdout.write(msg)
+                message_list.append({"level": INFO, "text": msg})
 
-                return article, ""
+                return article, False
 
     article = DistrictArticlePage()
 
@@ -125,8 +126,8 @@ def import_post(path, file_path, parent, title_suffix, dry_run):
     article.image = get_or_create_image(path, meta["image"], collection=collection)
 
     if dry_run:
-        return article, ""
-    else:
+        return article, True
+
     try:
         parent.add_child(instance=article)
         stdout.write("Creating article: %s" % article)
@@ -134,9 +135,15 @@ def import_post(path, file_path, parent, title_suffix, dry_run):
         if meta["published"]:
             rev.publish()
     except Exception as e:
-            return article, "Nelze uložit článek {}: {}".format(article.title, str(e))
+        message_list.append(
+            {
+                "level": WARNING if dry_run else ERROR,
+                "text": "Nelze uložit článek {}: {}".format(article.title, str(e)),
+            }
+        )
+        return article, False
 
-    return article, ""
+    return article, True
 
 
 def get_collection():
@@ -213,9 +220,13 @@ def download_repo_as_zip(url: str) -> str:
 
 def perform_import(
     article_parent_page, collection, url: str, dry_run: bool, use_git: bool
-) -> "List[str]":
-
-    error_list = []
+) -> "List[dict]":
+    """
+    Přijímá parent page pro články, kolekci pro obrázky, url pro stažení (zip nebo git
+    repo, boolean jestli jde o testovací běh a boolean, zda použít git (anebo zip)).
+    Vrací list dict pro requests messages (klíče level, text).
+    """
+    success_counter = 0
 
     params["kolekce"] = collection
     site = article_parent_page.get_site()
@@ -237,15 +248,15 @@ def perform_import(
             ext = match.group(5)
 
             if ext == "md":
-                article, error = import_post(
+                article, success = import_post(
                     path, fname, article_parent_page, title_suffix, dry_run
                 )
 
-                if error:
-                    error_list.append(error)
+                if not success:
                     continue
 
                 if dry_run:
+                    success_counter += 1
                     continue
 
                 Redirect.objects.get_or_create(
@@ -254,15 +265,23 @@ def perform_import(
                     % (articlepath, y, m.zfill(2), d.zfill(2), slug),
                     defaults={"is_permanent": True, "redirect_page": article},
                 )
+
+                success_counter += 1
             else:
-                error = "ERROR: This extension is not implemented: %s" % ext
-                error_list.append(error)
-                stdout.write(error)
+                msg = "ERROR: Nepodporovaná přípona souboru: %s" % ext
+                message_list.append({"level": ERROR, "text": msg})
+                stdout.write(msg)
         else:
-            warning = "WARNING: Skipping: %s" % fn
-            stdout.write(warning)
+            msg = "Skipped: %s" % fn
+            stdout.write(msg)
 
             if dry_run:
-                error_list.append(warning)
+                message_list.append({"level": WARNING, "text": msg})
+
+    if success_counter:
+        base_msg = "Lze importovat" if dry_run else "Úspěšně naimportováno"
+        message_list.append(
+            {"level": SUCCESS, "text": "{} {} článků".format(base_msg, success_counter)}
+        )
 
-    return error_list
+    return message_list

district/wagtail_hooks.py

+from django.contrib.messages import ERROR, SUCCESS, WARNING, add_message
 from wagtail.admin import messages
 from wagtail.core import hooks
 
-from .models import DistrictHomePage
+from .models import DistrictArticlesPage
 
 
 @hooks.register("after_edit_page")
@@ -9,9 +10,9 @@ from .models import DistrictHomePage
 def handle_page_import(request, page):  # def after_create_page(request, page):
     """Block awesome page deletion and show a message."""
 
-    if request.method == "POST" and page.specific_class in [DistrictHomePage]:
-        if getattr(page, "import_messages", None):
-            messages.warning(request, str(page.import_error_list))
+    if request.method == "POST" and page.specific_class in [DistrictArticlesPage]:
+        for message in getattr(page, "import_message_list", []):
+            add_message(request, message["level"], message["text"])
 
 
 # import re