ok vim runs that was ez

pttodoer/src/main.rs

@@ -7,6 +7,7 @@ use regex::Regex;
 use croner;
 use clap::Parser;
 use std::io::Write;
+use tempdir::TempDir;
 
 fn main() {
    let flags = Flags::new();
@@ -115,6 +116,22 @@ impl DB {
    }
 
    pub fn edit(&self) -> Result<(), String> {
+      let d = TempDir::new(&TS::now().to_string()).expect("failed to create a temp dir");
+      for set in &self.0 {
+         let base = set.file.split("/").last().unwrap().to_string();
+         let f = d.path().join(base);
+         set.save_due_as(f.display().to_string())?;
+      }
+
+      std::process::Command::new("/bin/sh")
+         .current_dir(d.path())
+         .arg("-c")
+         .arg("vim -p ./*")
+         .spawn()
+         .expect("failed to start vim")
+         .wait()
+         .expect("failed to vim");
+
       Err("not impl".to_string())
    }
 
@@ -155,7 +172,7 @@ mod test_taskss {
    }
 }
 
-#[derive(Debug)]
+#[derive(Debug, Clone)]
 pub struct TasksAndMetadata {
    tasks: Tasks,
    file: String,
@@ -175,7 +192,7 @@ impl TasksAndMetadata {
       }
    }
 
-   fn save(&self, dry_run: bool) -> Result<(), String> {
+   pub fn save(&self, dry_run: bool) -> Result<(), String> {
       let version = file_version(self.file.clone())?;
       let mut file = self.file.clone();
       if version != self.version {
@@ -192,23 +209,25 @@ impl TasksAndMetadata {
             eprintln!("{}", self.tasks.to_string());
             Ok(())
          },
-         false => {
-            let tmpf = format!("{}.{}", &file, TS::now().to_string());
-            match std::fs::File::create(&tmpf) {
-               Ok(mut f) => {
-                  match f.write_all(self.tasks.to_string().as_bytes()) {
-                     Ok(_) => {
-                        match std::fs::rename(&tmpf, &file) {
-                           Ok(_) => Ok(()),
-                           Err(msg) => Err(format!("failed to flush {}: {}", file, msg)),
-                        }
-                     },
-                     Err(msg) => Err(format!("failed to write {}: {}", file, msg)),
-                  }
-               },
-               Err(msg) => Err(format!("failed to create {}: {}", file, msg)),
+         false => self.save_as(file),
+      }
+   }
+
+   pub fn save_due_as(&self, file: String) -> Result<(), String> {
+      let mut cloned = self.clone();
+      cloned.tasks = cloned.tasks.due();
+      cloned.save_as(file)
+   }
+
+   pub fn save_as(&self, file: String) -> Result<(), String> {
+      match std::fs::File::create(&file) {
+         Ok(mut f) => {
+            match f.write_all(self.tasks.to_string().as_bytes()) {
+               Ok(_) => Ok(()),
+               Err(msg) => Err(format!("failed to write {}: {}", file, msg)),
             }
          },
+         Err(msg) => Err(format!("failed to create {}: {}", file, msg)),
       }
    }
 
@@ -228,7 +247,7 @@ fn file_version(file: String) -> Result<TS, String> {
    }
 }
 
-#[derive(Debug, serde::Serialize, serde::Deserialize)]
+#[derive(Debug, serde::Serialize, serde::Deserialize, Clone)]
 pub struct Tasks(Vec<Task>);
 
 impl Tasks {
@@ -841,8 +860,7 @@ mod test_duration {
    }
 }
 
-#[derive(Debug)]
-#[derive(PartialEq)]
+#[derive(Debug, PartialEq, Clone)]
 struct TS(u64);
 
 impl TS {