From bfb50b29007a277dc3c43a3368d3f17101ae16a2 Mon Sep 17 00:00:00 2001
From: Kamran Ali <AliK@rki.de>
Date: Tue, 4 Jun 2024 17:39:25 +0200
Subject: [PATCH 1/3] write db purge script

---
 mex/scripts/purge.py | 27 +++++++++++++++++++++++++++
 pyproject.toml       |  1 +
 2 files changed, 28 insertions(+)
 create mode 100644 mex/scripts/purge.py

diff --git a/mex/scripts/purge.py b/mex/scripts/purge.py
new file mode 100644
index 0000000..e327f28
--- /dev/null
+++ b/mex/scripts/purge.py
@@ -0,0 +1,27 @@
+import click
+from neo4j import GraphDatabase
+
+from mex.backend.settings import BackendSettings
+from mex.common.cli import entrypoint
+
+
+@entrypoint(BackendSettings)
+def purge_db() -> None:
+    """Purge graph db."""
+    settings = BackendSettings.get()
+    if click.confirm(f'Purging graph db "{settings.graph_db}", Continue?:'):
+        click.echo("Purging...")
+        with GraphDatabase.driver(
+            settings.graph_url,
+            auth=(
+                settings.graph_user.get_secret_value(),
+                settings.graph_password.get_secret_value(),
+            ),
+            database=settings.graph_db,
+        ) as driver:
+            driver.execute_query("MATCH (n) DETACH DELETE n;")
+            for row in driver.execute_query("SHOW ALL CONSTRAINTS;").records:
+                driver.execute_query(f"DROP CONSTRAINT {row['name']};")
+            for row in driver.execute_query("SHOW ALL INDEXES;").records:
+                driver.execute_query(f"DROP INDEX {row['name']};")
+        click.echo("Done")
diff --git a/pyproject.toml b/pyproject.toml
index b75c5c0..2f366cf 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -29,6 +29,7 @@ optional-dependencies.dev = [
 
 [project.scripts]
 backend = "mex.backend.main:main"
+purge-db = "mex.scripts.purge:purge_db"
 
 [tool.cruft]
 template = "https://github.com/robert-koch-institut/mex-template"

From cd0593b9e6febaa856b99798a445b89f43dbc2c9 Mon Sep 17 00:00:00 2001
From: Kamran Ali <AliK@rki.de>
Date: Tue, 4 Jun 2024 17:39:49 +0200
Subject: [PATCH 2/3] update changelog

---
 CHANGELOG.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index e2deba5..6de7fbc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Added
 
+- db purge script
+
 ### Changes
 
 ### Deprecated

From 32c4e7128ea563e8665ace4fd4ded3b3c4b4a224 Mon Sep 17 00:00:00 2001
From: Kamran Ali <AliK@rki.de>
Date: Wed, 5 Jun 2024 16:55:37 +0200
Subject: [PATCH 3/3] move purge script to scripts

---
 pyproject.toml                    | 2 +-
 {mex/scripts => scripts}/purge.py | 2 --
 2 files changed, 1 insertion(+), 3 deletions(-)
 rename {mex/scripts => scripts}/purge.py (93%)

diff --git a/pyproject.toml b/pyproject.toml
index 2f366cf..2515088 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -29,7 +29,7 @@ optional-dependencies.dev = [
 
 [project.scripts]
 backend = "mex.backend.main:main"
-purge-db = "mex.scripts.purge:purge_db"
+purge-db = "scripts.purge:purge_db"
 
 [tool.cruft]
 template = "https://github.com/robert-koch-institut/mex-template"
diff --git a/mex/scripts/purge.py b/scripts/purge.py
similarity index 93%
rename from mex/scripts/purge.py
rename to scripts/purge.py
index e327f28..1a8fe2a 100644
--- a/mex/scripts/purge.py
+++ b/scripts/purge.py
@@ -2,10 +2,8 @@
 from neo4j import GraphDatabase
 
 from mex.backend.settings import BackendSettings
-from mex.common.cli import entrypoint
 
 
-@entrypoint(BackendSettings)
 def purge_db() -> None:
     """Purge graph db."""
     settings = BackendSettings.get()