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use toml_query::insert::TomlValueInsertExt;
use toml_query::read::TomlValueReadExt;
use toml_query::read::TomlValueReadTypeExt;
use toml::Value;
use libimagstore::store::Entry;
use libimagentrylink::internal::InternalLinker;
use libimagerror::errors::ErrorMsg as EM;
use failure::Fallible as Result;
use failure::ResultExt;
use failure::Error;
use failure::err_msg;
use store::CategoryStore;
pub trait EntryCategory {
fn set_category(&mut self, s: &str) -> Result<()>;
fn set_category_checked(&mut self, register: &CategoryStore, s: &str) -> Result<()>;
fn get_category(&self) -> Result<String>;
fn has_category(&self) -> Result<bool>;
fn remove_category(&mut self) -> Result<()>;
}
impl EntryCategory for Entry {
fn set_category(&mut self, s: &str) -> Result<()> {
trace!("Setting category '{}' UNCHECKED", s);
self.get_header_mut()
.insert(&String::from("category.value"), Value::String(s.to_string()))
.map_err(Error::from)
.context(EM::EntryHeaderWriteError)
.map_err(Error::from)
.map(|_| ())
}
fn set_category_checked(&mut self, register: &CategoryStore, s: &str) -> Result<()> {
trace!("Setting category '{}' checked", s);
let mut category = register
.get_category_by_name(s)?
.ok_or_else(|| Error::from(err_msg("Category does not exist")))?;
let _ = self.set_category(s)?;
let _ = self.add_internal_link(&mut category)?;
Ok(())
}
fn get_category(&self) -> Result<String> {
trace!("Getting category from '{}'", self.get_location());
self.get_header()
.read_string("category.value")?
.ok_or_else(|| Error::from(err_msg("Category name missing")))
}
fn has_category(&self) -> Result<bool> {
trace!("Has category? '{}'", self.get_location());
self.get_header()
.read("category.value")
.map_err(Error::from)
.context(EM::EntryHeaderReadError)
.map_err(Error::from)
.map(|x| x.is_some())
}
fn remove_category(&mut self) -> Result<()> {
use toml_query::delete::TomlValueDeleteExt;
self.get_header_mut()
.delete("category.value")
.map_err(Error::from)
.context(EM::EntryHeaderWriteError)
.map_err(Error::from)
.map(|_| ())
}
}