From 240f75ff0677e305bcab876dd7019b395e43354d Mon Sep 17 00:00:00 2001
From: frcroth <frcroth@users.noreply.github.com>
Date: Tue, 2 Jan 2024 12:04:25 +0100
Subject: [PATCH] Add dynamic versioning and version in footer (#452)

---
 myhpi/core/markdown/extensions.py      | 11 +++++++++++
 myhpi/core/migrations/0002_rootpage.py |  2 +-
 myhpi/settings.py                      | 11 +++++++++++
 pyproject.toml                         |  9 ++++++---
 4 files changed, 29 insertions(+), 4 deletions(-)

diff --git a/myhpi/core/markdown/extensions.py b/myhpi/core/markdown/extensions.py
index b7754c85..f151a687 100644
--- a/myhpi/core/markdown/extensions.py
+++ b/myhpi/core/markdown/extensions.py
@@ -8,6 +8,8 @@
 from markdown.preprocessors import Preprocessor
 from wagtail.models import Page
 
+from myhpi import settings
+
 
 class MinutesBasePreprocessor(Preprocessor):
     def run(self, lines):
@@ -162,6 +164,14 @@ def default_pattern():
         return r"\[(?P<title>[^\[]+)\]\(page:(?P<id>\d+)\)"
 
 
+class VersionPreprocessor(MinutesBasePreprocessor):
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.patterns = [
+            (r"\[MYHPI-VERSION\]", lambda match: settings.MYHPI_VERSION),
+        ]
+
+
 class MinuteExtension(Extension):
     def extendMarkdown(self, md):
         md.registerExtension(self)
@@ -171,6 +181,7 @@ def extendMarkdown(self, md):
         md.preprocessors.register(QuorumPreprocessor(md), "quorumify", 200)
         md.preprocessors.register(EnterLeavePreprocessor(md), "enter_or_leavify", 200)
         md.preprocessors.register(HeadingLevelPreprocessor(md), "decrease", 200)
+        md.preprocessors.register(VersionPreprocessor(md), "version", 200)
         md.inlinePatterns.register(
             InternalLinkPattern(InternalLinkPattern.default_pattern(), md),
             "InternalLinkPattern",
diff --git a/myhpi/core/migrations/0002_rootpage.py b/myhpi/core/migrations/0002_rootpage.py
index 41736d94..72348f86 100644
--- a/myhpi/core/migrations/0002_rootpage.py
+++ b/myhpi/core/migrations/0002_rootpage.py
@@ -50,7 +50,7 @@ def create_homepage(apps, schema_editor):
     Footer.objects.get_or_create(
         column_1="# Fachschaft\r\n\r\n- [Twitter](https://twitter.com/fachschaftsrat)\r\n- [Discord](https://discord.com)\r\n- [Telegram](https://telegram.org)",
         column_2="# Rechtliches\r\n\r\n- [Impressum]()\r\n- [Datenschutzerklärung]()",
-        column_3="# Entwicklung\r\n\r\n- [GitHub](https://github.com/fsr-de/myHPI/)",
+        column_3="# Entwicklung\r\n\r\n- [GitHub](https://github.com/fsr-de/myHPI/)\r\n[MYHPI-VERSION]",
         column_4="# Sprache\r\n\r\n",
     )
 
diff --git a/myhpi/settings.py b/myhpi/settings.py
index 51f154a4..e0dc75d8 100644
--- a/myhpi/settings.py
+++ b/myhpi/settings.py
@@ -6,6 +6,12 @@
 from django.contrib.messages import constants
 from environ import environ
 
+try:
+    import importlib_metadata  # importlib is broken on python 3.8, using backport
+except ImportError:
+    import importlib.metadata as importlib_metadata
+
+
 BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
 
 env = environ.Env(interpolate=True)
@@ -366,3 +372,8 @@
 }
 
 BS_ICONS_CACHE = os.path.join(STATIC_ROOT, "icon_cache")
+
+try:
+    MYHPI_VERSION = importlib_metadata.version("myHPI")
+except importlib_metadata.PackageNotFoundError:
+    MYHPI_VERSION = "dev"
diff --git a/pyproject.toml b/pyproject.toml
index 8f98c678..9201f6f5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "myHPI"
-version = "0.1.0"
+version = "0.0.0" # automatically set by poetry-dynamic-versioning
 description = ""
 authors = ["FSR DE <fachschaftsrat@hpi.de>"]
 license = "MIT"
@@ -37,8 +37,8 @@ pgsql = ["psycopg2"]
 mysql = ["mysqlclient"]
 
 [build-system]
-requires = ["poetry-core>=1.0.0"]
-build-backend = "poetry.core.masonry.api"
+requires = ["poetry-core>=1.0.0", "poetry-dynamic-versioning>=1.0.0,<2.0.0"]
+build-backend = "poetry_dynamic_versioning.backend"
 
 [tool.black]
 line-length = 100
@@ -64,3 +64,6 @@ useless-object-inheritance, logging-fstring-interpolation
 
 [tool.pylint.format]
 max-line-length = "100"
+
+[tool.poetry-dynamic-versioning]
+enable = true