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Merge pull request #1015 from matthiasbeyer/libimagtodo/refactor-errors

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Libimagtodo/refactor errors
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Matthias Beyer 2017-08-26 21:46:26 +02:00 committed by GitHub
commit 6ef03cda08
1 changed files with 22 additions and 39 deletions
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61
libimagtodo/src/task.rs
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@ -30,11 +30,9 @@ use task_hookrs::import::{import_task, import_tasks};
use libimagstore::store::{FileLockEntry, Store};
use libimagstore::storeid::{IntoStoreId, StoreIdIterator, StoreId};
use libimagerror::trace::MapErrTrace;
use libimagutil::debug_result::DebugResult;
use module_path::ModuleEntryPath;
use error::{TodoError, TodoErrorKind, MapErrInto};
use error::{TodoErrorKind as TEK, MapErrInto};
use result::Result;
/// Task struct containing a `FileLockEntry`
@ -52,9 +50,7 @@ impl<'a> Task<'a> {
let mut line = String::new();
r.read_line(&mut line);
import_task(&line.as_str())
.map_err_into(TodoErrorKind::ImportError)
.map_dbg_err_str("Error while importing task")
.map_err_dbg_trace()
.map_err_into(TEK::ImportError)
.and_then(|t| {
let uuid = t.uuid().clone();
t.into_task(store).map(|t| (t, line, uuid))
@ -70,7 +66,8 @@ impl<'a> Task<'a> {
/// * Ok(Err(String)) - where the String is the String read from the `r` parameter
/// * Err(_) - where the error is an error that happened during evaluation
///
pub fn get_from_import<R: BufRead>(store: &'a Store, mut r: R) -> Result<RResult<Task<'a>, String>>
pub fn get_from_import<R>(store: &'a Store, mut r: R) -> Result<RResult<Task<'a>, String>>
where R: BufRead
{
let mut line = String::new();
r.read_line(&mut line);
@ -83,9 +80,7 @@ impl<'a> Task<'a> {
/// For an explanation on the return values see `Task::get_from_import()`.
pub fn get_from_string(store: &'a Store, s: String) -> Result<RResult<Task<'a>, String>> {
import_task(s.as_str())
.map_err_into(TodoErrorKind::ImportError)
.map_dbg_err_str("Error while importing task")
.map_err_dbg_trace()
.map_err_into(TEK::ImportError)
.map(|t| t.uuid().clone())
.and_then(|uuid| Task::get_from_uuid(store, uuid))
.and_then(|o| match o {
@ -102,7 +97,7 @@ impl<'a> Task<'a> {
.into_storeid()
.and_then(|store_id| store.get(store_id))
.map(|o| o.map(Task::new))
.map_err_into(TodoErrorKind::StoreError)
.map_err_into(TEK::StoreError)
}
/// Same as Task::get_from_import() but uses Store::retrieve() rather than Store::get(), to
@ -120,9 +115,7 @@ impl<'a> Task<'a> {
.and_then(|opt| match opt {
Ok(task) => Ok(task),
Err(string) => import_task(string.as_str())
.map_err_into(TodoErrorKind::ImportError)
.map_dbg_err_str("Error while importing task")
.map_err_dbg_trace()
.map_err_into(TEK::ImportError)
.and_then(|t| t.into_task(store)),
})
}
@ -139,7 +132,7 @@ impl<'a> Task<'a> {
// task before the change, and the second one after
// the change. The (maybe modified) second one is
// expected by taskwarrior.
match serde_to_string(&ttask).map_err_into(TodoErrorKind::ImportError) {
match serde_to_string(&ttask).map_err_into(TEK::ImportError) {
// use println!() here, as we talk with TW
Ok(val) => println!("{}", val),
Err(e) => return Err(e),
@ -158,7 +151,7 @@ impl<'a> Task<'a> {
}
} // end if c % 2
},
Err(e) => return Err(e).map_err_into(TodoErrorKind::ImportError),
Err(e) => return Err(e).map_err_into(TEK::ImportError),
}
}
Ok(())
@ -168,12 +161,12 @@ impl<'a> Task<'a> {
ModuleEntryPath::new(format!("taskwarrior/{}", uuid))
.into_storeid()
.and_then(|id| store.delete(id))
.map_err(|e| TodoError::new(TodoErrorKind::StoreError, Some(Box::new(e))))
.map_err_into(TEK::StoreError)
}
pub fn all_as_ids(store: &Store) -> Result<StoreIdIterator> {
store.retrieve_for_module("todo/taskwarrior")
.map_err(|e| TodoError::new(TodoErrorKind::StoreError, Some(Box::new(e))))
.map_err_into(TEK::StoreError)
}
pub fn all(store: &Store) -> Result<TaskIterator> {
@ -226,7 +219,6 @@ impl<'a> IntoTask<'a> for TTask {
fn into_task(self, store : &'a Store) -> Result<Task<'a>> {
use toml_query::read::TomlValueReadExt;
use toml_query::set::TomlValueSetExt;
use libimagerror::into::IntoError;
// Helper for toml_query::read::TomlValueReadExt::read() return value, which does only
// return Result<T> instead of Result<Option<T>>, which is a real inconvenience.
@ -238,29 +230,21 @@ impl<'a> IntoTask<'a> for TTask {
let uuid = self.uuid();
ModuleEntryPath::new(format!("taskwarrior/{}", uuid))
.into_storeid()
.map_err_into(TodoErrorKind::StoreIdError)
.map_err_into(TEK::StoreIdError)
.and_then(|id| {
store.retrieve(id)
.map_err_into(TodoErrorKind::StoreError)
.map_err_into(TEK::StoreError)
.and_then(|mut fle| {
{
let mut hdr = fle.get_header_mut();
let todo_query = String::from("todo");
if let Err(e) = hdr.read(&todo_query) {
if no_identifier(&e) {
try!(hdr
.set(&String::from("todo"), Value::Table(BTreeMap::new()))
.map_err_into(TodoErrorKind::StoreError));
} else {
let e = Box::new(e);
return Err(TodoErrorKind::StoreError.into_error_with_cause(e))
}
if try!(hdr.read("todo").map_err_into(TEK::StoreError)).is_none() {
try!(hdr
.set("todo", Value::Table(BTreeMap::new()))
.map_err_into(TEK::StoreError));
}
try!(hdr.set(&String::from("todo.uuid"),
Value::String(format!("{}", uuid)))
.map_err_into(TodoErrorKind::StoreError));
try!(hdr.set("todo.uuid", Value::String(format!("{}",uuid)))
.map_err_into(TEK::StoreError));
}
// If none of the errors above have returned the function, everything is fine
@ -278,10 +262,9 @@ trait FromStoreId {
impl<'a> FromStoreId for Task<'a> {
fn from_storeid<'b>(store: &'b Store, id: StoreId) -> Result<Task<'b>> {
match store.retrieve(id) {
Err(e) => Err(TodoError::new(TodoErrorKind::StoreError, Some(Box::new(e)))),
Ok(c) => Ok(Task::new( c )),
}
store.retrieve(id)
.map_err_into(TEK::StoreError)
.map(Task::new)
}
}