77 lines
2.6 KiB
Rust
77 lines
2.6 KiB
Rust
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//
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// imag - the personal information management suite for the commandline
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// Copyright (C) 2015-2019 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 failure::Error;
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use failure::ResultExt;
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use failure::Fallible as Result;
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use failure::err_msg;
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use url::Url;
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use libimagstore::store::Entry;
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use libimagerror::errors::ErrorMsg as EM;
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use toml_query::read::TomlValueReadTypeExt;
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pub trait Link {
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fn get_link_uri_from_filelockentry(&self) -> Result<Option<Url>>;
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fn get_url(&self) -> Result<Option<Url>>;
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}
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impl Link for Entry {
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fn get_link_uri_from_filelockentry(&self) -> Result<Option<Url>> {
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self.get_header()
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.read_string("links.external.content.url")
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.context(format_err!("Error reading header 'links.external.content.url' from '{}'", self.get_location()))
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.context(EM::EntryHeaderReadError)
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.map_err(Error::from)
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.and_then(|opt| match opt {
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None => Ok(None),
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Some(ref s) => {
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debug!("Found url, parsing: {:?}", s);
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Url::parse(&s[..])
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.map_err(Error::from)
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.context(format_err!("Failed to parse URL: '{}'", s))
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.context(err_msg("Invalid URI"))
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.map_err(Error::from)
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.map(Some)
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},
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})
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.context("Failed to get link URI from entry")
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.map_err(Error::from)
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}
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fn get_url(&self) -> Result<Option<Url>> {
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match self.get_header().read_string("links.external.url")? {
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None => Ok(None),
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Some(ref s) => Url::parse(&s[..])
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.context(format_err!("Failed to parse URL: '{}'", s))
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.map(Some)
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.map_err(Error::from)
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.context(EM::EntryHeaderReadError)
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.map_err(Error::from),
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}
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}
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}
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