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