From 8998fb8793f2d3c7b6683b0ed47354c56e025160 Mon Sep 17 00:00:00 2001
From: Albert S <mail@quitesimple.org>
Date: Fri, 11 Aug 2023 09:21:02 +0200
Subject: [PATCH] PermissionsDao: Add clearForPage()

---
 database/permissionsdao.h         |  2 ++
 database/permissionsdaosqlite.cpp | 13 +++++++++++++
 database/permissionsdaosqlite.h   |  1 +
 3 files changed, 16 insertions(+)

diff --git a/database/permissionsdao.h b/database/permissionsdao.h
index e2c6731..bd72be0 100644
--- a/database/permissionsdao.h
+++ b/database/permissionsdao.h
@@ -9,6 +9,8 @@ class PermissionsDao
 	PermissionsDao();
 	virtual std::optional<Permissions> find(std::string pagename, std::string username) = 0;
 	virtual void save(std::string pagename, std::string username, Permissions perms) = 0;
+	virtual void clearForPage(std::string pagename) = 0;
+
 	virtual ~PermissionsDao() = default;
 };
 
diff --git a/database/permissionsdaosqlite.cpp b/database/permissionsdaosqlite.cpp
index 7c5018d..4e41c2e 100644
--- a/database/permissionsdaosqlite.cpp
+++ b/database/permissionsdaosqlite.cpp
@@ -59,3 +59,16 @@ void PermissionsDaoSqlite::save(std::string pagename, std::string username, Perm
 		throwFrom(e);
 	}
 }
+
+void PermissionsDaoSqlite::clearForPage(std::string pagename)
+{
+	try
+	{
+		auto stmt = *db << "DELETE FROM permissions WHERE page = (SELECT id FROM page WHERE name = ?)" << pagename;
+		stmt.execute();
+	}
+	catch(sqlite::sqlite_exception &e)
+	{
+		throwFrom(e);
+	}
+}
diff --git a/database/permissionsdaosqlite.h b/database/permissionsdaosqlite.h
index 39d03f9..7a2441f 100644
--- a/database/permissionsdaosqlite.h
+++ b/database/permissionsdaosqlite.h
@@ -10,6 +10,7 @@ class PermissionsDaoSqlite : public PermissionsDao, protected SqliteDao
 
 	std::optional<Permissions> find(std::string pagename, std::string username) override;
 	virtual void save(std::string pagename, std::string username, Permissions perms) override;
+	virtual void clearForPage(std::string pagename) override;
 	using SqliteDao::SqliteDao;
 };