Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
its: Refactored to extract issue_repository
- Loading branch information
Showing
2 changed files
with
121 additions
and
116 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
118 changes: 118 additions & 0 deletions
118
its/crates/application/src/use_case/issue_repository.rs
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,118 @@ | ||
| use std::{ | ||
| fs::File, | ||
| io::{BufRead, BufReader, BufWriter, Write}, | ||
| path::{Path, PathBuf}, | ||
| str::FromStr, | ||
| }; | ||
|
|
||
| use domain::{IssueAggregate, IssueAggregateEvent, IssueId, IssueNumber}; | ||
| use thiserror::Error; | ||
|
|
||
| use crate::use_case::event_dto::EventDto; | ||
|
|
||
| #[derive(Debug, Error)] | ||
| pub enum RepositoryError { | ||
| #[error("IO")] | ||
| IO, | ||
| } | ||
|
|
||
| #[derive(Debug, Default)] | ||
| pub struct IssueRepository {} | ||
|
|
||
| impl IssueRepository { | ||
| pub fn find_by_id( | ||
| &self, | ||
| issue_id: &IssueId, | ||
| ) -> Result<Option<IssueAggregate>, RepositoryError> { | ||
| let file_path = PathBuf::from_str("its.jsonl").map_err(|_| RepositoryError::IO)?; | ||
| if !file_path.exists() { | ||
| return Ok(None); | ||
| } | ||
|
|
||
| let file = File::open(file_path.as_path()).map_err(|_| RepositoryError::IO)?; | ||
| let buf_reader = BufReader::new(file); | ||
| let mut events: Vec<IssueAggregateEvent> = vec![]; | ||
| for line in buf_reader.lines() { | ||
| let line = line.map_err(|_| RepositoryError::IO)?; | ||
| let dto = serde_json::from_str::<'_, EventDto>(line.as_str()) | ||
| .map_err(|_| RepositoryError::IO)?; | ||
| let event = IssueAggregateEvent::try_from(dto).map_err(|_| RepositoryError::IO)?; | ||
| events.push(event); | ||
| } | ||
|
|
||
| let filtered = events | ||
| .into_iter() | ||
| .filter(|e| match e { | ||
| IssueAggregateEvent::Created(event) => event.issue_id() == issue_id, | ||
| IssueAggregateEvent::Finished(event) => event.issue_id() == issue_id, | ||
| }) | ||
| .collect::<Vec<IssueAggregateEvent>>(); | ||
|
|
||
| if filtered.is_empty() { | ||
| Ok(None) | ||
| } else { | ||
| IssueAggregate::from_events(&filtered) | ||
| .map(Some) | ||
| .map_err(|_| RepositoryError::IO) | ||
| } | ||
| } | ||
|
|
||
| pub fn save(&self, event: IssueAggregateEvent) -> Result<(), RepositoryError> { | ||
| let file_path = PathBuf::from_str("its.jsonl").map_err(|_| RepositoryError::IO)?; | ||
| let mut events = self.events(file_path.as_path())?; | ||
|
|
||
| events.push(event); | ||
|
|
||
| let file = File::create(file_path.as_path()).map_err(|_| RepositoryError::IO)?; | ||
| let mut buf_writer = BufWriter::new(file); | ||
| for event in events { | ||
| let dto = EventDto::from(event); | ||
| let line = serde_json::to_string(&dto).map_err(|_| RepositoryError::IO)?; | ||
| buf_writer | ||
| .write(line.as_bytes()) | ||
| .map_err(|_| RepositoryError::IO)?; | ||
| buf_writer | ||
| .write("\n".as_bytes()) | ||
| .map_err(|_| RepositoryError::IO)?; | ||
| } | ||
| Ok(()) | ||
| } | ||
|
|
||
| pub fn next_issue_number(&self) -> Result<IssueNumber, RepositoryError> { | ||
| let file_path = PathBuf::from_str("its.jsonl").map_err(|_| RepositoryError::IO)?; | ||
| let events = self.events(file_path.as_path())?; | ||
| let mut max: Option<IssueId> = None; | ||
| for event in events { | ||
| match event { | ||
| IssueAggregateEvent::Created(event) => { | ||
| max = Some( | ||
| max.unwrap_or_else(|| event.issue_id().clone()) | ||
| .max(event.issue_id().clone()), | ||
| ) | ||
| } | ||
| IssueAggregateEvent::Finished(_) => {} | ||
| } | ||
| } | ||
| Ok(max | ||
| .map(|id| id.issue_number().next_number()) | ||
| .unwrap_or_else(IssueNumber::start_number)) | ||
| } | ||
|
|
||
| fn events(&self, file_path: &Path) -> Result<Vec<IssueAggregateEvent>, RepositoryError> { | ||
| Ok(if file_path.exists() { | ||
| let file = File::open(file_path).map_err(|_| RepositoryError::IO)?; | ||
| let buf_reader = BufReader::new(file); | ||
| let mut events: Vec<IssueAggregateEvent> = vec![]; | ||
| for line in buf_reader.lines() { | ||
| let line = line.map_err(|_| RepositoryError::IO)?; | ||
| let dto = serde_json::from_str::<'_, EventDto>(line.as_str()) | ||
| .map_err(|_| RepositoryError::IO)?; | ||
| let event = IssueAggregateEvent::try_from(dto).map_err(|_| RepositoryError::IO)?; | ||
| events.push(event); | ||
| } | ||
| events | ||
| } else { | ||
| vec![] | ||
| }) | ||
| } | ||
| } |