Move API Task type to shared crate contextswitch-types

src/contextswitch.rs

@@ -0,0 +1,45 @@
+use crate::taskwarrior;
+use contextswitch_types::{ContextSwitchMetadata, Task};
+use std::io::Error;
+
+impl TryFrom<&taskwarrior::Task> for Task {
+    type Error = std::io::Error;
+
+    fn try_from(task: &taskwarrior::Task) -> Result<Self, Self::Error> {
+        let cs_metadata = task.contextswitch.as_ref().map_or(
+            Ok(None),
+            |cs_string| -> Result<Option<ContextSwitchMetadata>, serde_json::Error> {
+                if cs_string.is_empty() || cs_string == "{}" {
+                    Ok(None)
+                } else {
+                    Some(serde_json::from_str(&cs_string)).transpose()
+                }
+            },
+        )?;
+
+        Ok(Task {
+            uuid: task.uuid,
+            id: task.id,
+            entry: task.entry,
+            modified: task.modified,
+            status: task.status,
+            description: task.description.clone(),
+            urgency: task.urgency,
+            due: task.due,
+            end: task.end,
+            parent: task.parent,
+            project: task.project.clone(),
+            recur: task.recur,
+            tags: task.tags.clone(),
+            contextswitch: cs_metadata,
+        })
+    }
+}
+
+pub fn export(filters: Vec<&str>) -> Result<Vec<Task>, Error> {
+    let tasks: Result<Vec<Task>, Error> = taskwarrior::export(filters)?
+        .iter()
+        .map(|task| Task::try_from(task))
+        .collect();
+    tasks
+}