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ito_core/
task_repository.rs

1//! Filesystem-backed task repository implementation.
2
3use std::path::Path;
4
5use ito_common::fs::{FileSystem, StdFs};
6use ito_config::ConfigContext;
7use ito_domain::errors::{DomainError, DomainResult};
8use ito_domain::tasks::{
9    TaskRepository as DomainTaskRepository, TasksParseResult, is_safe_tracking_filename,
10    parse_tasks_tracking_file, tasks_path_checked, tracking_path_checked,
11};
12
13use crate::templates::{default_schema_name, read_change_schema, resolve_schema};
14
15/// Filesystem-backed implementation of the domain `TaskRepository` port.
16pub struct FsTaskRepository<'a, F: FileSystem = StdFs> {
17    ito_path: &'a Path,
18    fs: F,
19}
20
21impl<'a> FsTaskRepository<'a, StdFs> {
22    /// Create a filesystem-backed task repository using the standard filesystem.
23    pub fn new(ito_path: &'a Path) -> Self {
24        Self::with_fs(ito_path, StdFs)
25    }
26}
27
28impl<'a, F: FileSystem> FsTaskRepository<'a, F> {
29    /// Create a filesystem-backed task repository with a custom filesystem.
30    pub fn with_fs(ito_path: &'a Path, fs: F) -> Self {
31        Self { ito_path, fs }
32    }
33
34    /// Load tasks from an explicit change directory.
35    pub(crate) fn load_tasks_from_dir(&self, change_dir: &Path) -> DomainResult<TasksParseResult> {
36        let schema_name = read_schema_from_dir(&self.fs, change_dir);
37        let mut ctx = ConfigContext::from_process_env();
38        ctx.project_dir = self.ito_path.parent().map(|p| p.to_path_buf());
39
40        let mut tracking_file = "tasks.md".to_string();
41        if let Ok(resolved) = resolve_schema(Some(&schema_name), &ctx)
42            && let Some(apply) = resolved.schema.apply.as_ref()
43            && let Some(tracks) = apply.tracks.as_deref()
44            && is_safe_tracking_filename(tracks)
45        {
46            tracking_file = tracks.to_string();
47        }
48
49        if !is_safe_tracking_filename(&tracking_file) {
50            return Ok(TasksParseResult::empty());
51        }
52
53        let path = change_dir.join(&tracking_file);
54        if !self.fs.is_file(&path) {
55            return Ok(TasksParseResult::empty());
56        }
57
58        let contents = self
59            .fs
60            .read_to_string(&path)
61            .map_err(|source| DomainError::io("reading tasks file", source))?;
62        Ok(parse_tasks_tracking_file(&contents))
63    }
64}
65
66fn read_schema_from_dir<F: FileSystem>(fs: &F, change_dir: &Path) -> String {
67    let meta = crate::change_meta::read_change_meta_from_dir(fs, change_dir);
68    meta.schema
69        .unwrap_or_else(|| default_schema_name().to_string())
70}
71
72impl<F: FileSystem> DomainTaskRepository for FsTaskRepository<'_, F> {
73    fn load_tasks(&self, change_id: &str) -> DomainResult<TasksParseResult> {
74        // `read_change_schema` uses `change_id` as a path segment; reject traversal.
75        if tasks_path_checked(self.ito_path, change_id).is_none() {
76            return Ok(TasksParseResult::empty());
77        }
78
79        let schema_name = read_change_schema(self.ito_path, change_id);
80        let mut ctx = ConfigContext::from_process_env();
81        ctx.project_dir = self.ito_path.parent().map(|p| p.to_path_buf());
82
83        let mut tracking_file = "tasks.md".to_string();
84        if let Ok(resolved) = resolve_schema(Some(&schema_name), &ctx)
85            && let Some(apply) = resolved.schema.apply.as_ref()
86            && let Some(tracks) = apply.tracks.as_deref()
87        {
88            tracking_file = tracks.to_string();
89        }
90
91        let Some(path) = tracking_path_checked(self.ito_path, change_id, &tracking_file) else {
92            return Ok(TasksParseResult::empty());
93        };
94        if !self.fs.is_file(&path) {
95            return Ok(TasksParseResult::empty());
96        }
97        let contents = self
98            .fs
99            .read_to_string(&path)
100            .map_err(|source| DomainError::io("reading tasks file", source))?;
101        Ok(parse_tasks_tracking_file(&contents))
102    }
103}
104
105/// Backward-compatible alias for the default filesystem-backed task repository.
106pub type TaskRepository<'a> = FsTaskRepository<'a, StdFs>;
107
108#[cfg(test)]
109mod tests {
110    use std::fs;
111    use std::path::Path;
112
113    use tempfile::TempDir;
114
115    use super::TaskRepository;
116    use ito_domain::tasks::TaskRepository as DomainTaskRepository;
117
118    fn setup_test_change(ito_dir: &Path, change_id: &str, tasks_content: &str) {
119        let change_dir = ito_dir.join("changes").join(change_id);
120        fs::create_dir_all(&change_dir).unwrap();
121        fs::write(change_dir.join("tasks.md"), tasks_content).unwrap();
122    }
123
124    #[test]
125    fn load_tasks_uses_schema_apply_tracks_when_set() {
126        let tmp = TempDir::new().unwrap();
127        let root = tmp.path();
128        let ito_path = root.join(".ito");
129        fs::create_dir_all(&ito_path).unwrap();
130
131        // Override the project schema to point tracking at todo.md.
132        let schema_dir = root
133            .join(".ito")
134            .join("templates")
135            .join("schemas")
136            .join("spec-driven");
137        fs::create_dir_all(&schema_dir).unwrap();
138        fs::write(
139            schema_dir.join("schema.yaml"),
140            "name: spec-driven\nversion: 1\nartifacts: []\napply:\n  tracks: todo.md\n",
141        )
142        .unwrap();
143
144        let change_id = "001-03_tracks";
145        let change_dir = ito_path.join("changes").join(change_id);
146        fs::create_dir_all(&change_dir).unwrap();
147        fs::write(change_dir.join(".ito.yaml"), "schema: spec-driven\n").unwrap();
148        fs::write(
149            change_dir.join("todo.md"),
150            "## Tasks\n- [x] one\n- [ ] two\n",
151        )
152        .unwrap();
153
154        let repo = TaskRepository::new(&ito_path);
155        let (completed, total) = repo.get_task_counts(change_id).unwrap();
156
157        assert_eq!(completed, 1);
158        assert_eq!(total, 2);
159    }
160
161    #[test]
162    fn test_get_task_counts_checkbox_format() {
163        let tmp = TempDir::new().unwrap();
164        let ito_path = tmp.path().join(".ito");
165        fs::create_dir_all(&ito_path).unwrap();
166
167        setup_test_change(
168            &ito_path,
169            "001-01_test",
170            r#"# Tasks
171
172- [x] Task 1
173- [x] Task 2
174- [ ] Task 3
175- [ ] Task 4
176"#,
177        );
178
179        let repo = TaskRepository::new(&ito_path);
180        let (completed, total) = repo.get_task_counts("001-01_test").unwrap();
181
182        assert_eq!(completed, 2);
183        assert_eq!(total, 4);
184    }
185
186    #[test]
187    fn test_get_task_counts_enhanced_format() {
188        let tmp = TempDir::new().unwrap();
189        let ito_path = tmp.path().join(".ito");
190        fs::create_dir_all(&ito_path).unwrap();
191
192        setup_test_change(
193            &ito_path,
194            "001-02_enhanced",
195            r#"# Tasks
196
197## Wave 1
198- **Depends On**: None
199
200### Task 1.1: First task
201- **Status**: [x] complete
202- **Updated At**: 2024-01-01
203
204### Task 1.2: Second task
205- **Status**: [ ] pending
206- **Updated At**: 2024-01-01
207
208### Task 1.3: Third task
209- **Status**: [x] complete
210- **Updated At**: 2024-01-01
211"#,
212        );
213
214        let repo = TaskRepository::new(&ito_path);
215        let (completed, total) = repo.get_task_counts("001-02_enhanced").unwrap();
216
217        assert_eq!(completed, 2);
218        assert_eq!(total, 3);
219    }
220
221    #[test]
222    fn test_missing_tasks_file_returns_zero() {
223        let tmp = TempDir::new().unwrap();
224        let ito_path = tmp.path().join(".ito");
225        fs::create_dir_all(&ito_path).unwrap();
226
227        let repo = TaskRepository::new(&ito_path);
228        let (completed, total) = repo.get_task_counts("nonexistent").unwrap();
229
230        assert_eq!(completed, 0);
231        assert_eq!(total, 0);
232    }
233
234    #[test]
235    fn test_has_tasks() {
236        let tmp = TempDir::new().unwrap();
237        let ito_path = tmp.path().join(".ito");
238        fs::create_dir_all(&ito_path).unwrap();
239
240        setup_test_change(&ito_path, "001-01_with-tasks", "# Tasks\n- [ ] Task 1\n");
241        setup_test_change(&ito_path, "001-02_no-tasks", "# Tasks\n\nNo tasks yet.\n");
242
243        let repo = TaskRepository::new(&ito_path);
244
245        assert!(repo.has_tasks("001-01_with-tasks").unwrap());
246        assert!(!repo.has_tasks("001-02_no-tasks").unwrap());
247        assert!(!repo.has_tasks("nonexistent").unwrap());
248    }
249}