1 files changed, 84 insertions, 0 deletions
diff --git a/lib/domain/libimagwiki/src/store.rs b/lib/domain/libimagwiki/src/store.rs
new file mode 100644
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+++ b/lib/domain/libimagwiki/src/store.rs
@@ -0,0 +1,84 @@
+//
+// imag - the personal information management suite for the commandline
+// Copyright (C) 2015-2018 Matthias Beyer <mail@beyermatthias.de> and contributors
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; version
+// 2.1 of the License.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+//
+
+use libimagstore::store::Store;
+use libimagstore::storeid::StoreId;
+use libimagstore::storeid::IntoStoreId;
+
+use error::WikiError as WE;
+use error::Result;
+use wiki::Wiki;
+
+pub trait WikiStore {
+
+    fn get_wiki<'a, 'b>(&'a self, name: &'b str) -> Result<Option<Wiki<'a, 'b>>>;
+
+    fn create_wiki<'a, 'b>(&'a self, name: &'b str)
+        -> Result<Wiki<'a, 'b>>;
+
+    fn retrieve_wiki<'a, 'b>(&'a self, name: &'b str)
+        -> Result<Wiki<'a, 'b>>;
+
+}
+
+impl WikiStore for Store {
+
+    /// get a wiki by its name
+    fn get_wiki<'a, 'b>(&'a self, name: &'b str) -> Result<Option<Wiki<'a, 'b>>> {
+        if wiki_path(name.as_ref())?.with_base(self.path().clone()).exists()? {
+            debug!("Building Wiki object");
+            Ok(Some(Wiki::new(self, name)))
+        } else {
+            debug!("Cannot build wiki object: Wiki does not exist");
+            Ok(None)
+        }
+    }
+
+    /// Create a wiki.
+    ///
+    /// # Returns
+    ///
+    /// Returns the Wiki object.
+    ///
+    /// Ob success, an empty Wiki entry with the name `index` is created inside the wiki. Later, new
+    /// entries are automatically linked to this entry.
+    ///
+    fn create_wiki<'a, 'b>(&'a self, name: &'b str) -> Result<Wiki<'a, 'b>> {
+        debug!("Trying to get wiki '{}'", name);
+
+        let wiki = Wiki::new(self, name);
+        let _    = wiki.create_index_page()?;
+        Ok(wiki)
+    }
+
+    fn retrieve_wiki<'a, 'b>(&'a self, name: &'b str)
+        -> Result<Wiki<'a, 'b>>
+    {
+        match self.get_wiki(name)? {
+            None       => self.create_wiki(name),
+            Some(wiki) => Ok(wiki),
+        }
+    }
+
+}
+
+fn wiki_path(name: &str) -> Result<StoreId> {
+    ::module_path::ModuleEntryPath::new(name).into_storeid().map_err(WE::from)
+}
+