Add issue creation and editing

crates/app/src/lib.rs

@@ -323,6 +323,66 @@ impl GotchaCore {
         ))
     }
 
+    pub async fn issue_editor(
+        &self,
+        owner: String,
+        repository: String,
+        number: Option<i64>,
+    ) -> Result<IssueEditorPage, GotchaError> {
+        let (owner, repository) = validate_repository(&owner, &repository)?;
+        if number.is_some_and(|number| number <= 0) {
+            return Err("Invalid issue number.".into());
+        }
+        Ok(issue_editor_page(
+            load_issue_editor(&self.server()?, owner, repository, number).await?,
+        ))
+    }
+
+    #[allow(clippy::too_many_arguments)]
+    pub async fn save_issue(
+        &self,
+        owner: String,
+        repository: String,
+        number: Option<i64>,
+        title: String,
+        body: String,
+        label_ids: Vec<i64>,
+        milestone_id: Option<i64>,
+        due_date: Option<i64>,
+    ) -> Result<i64, GotchaError> {
+        let (owner, repository) = validate_repository(&owner, &repository)?;
+        let title = title.trim();
+        if title.is_empty() {
+            return Err("Enter an issue title.".into());
+        }
+        if number.is_some_and(|number| number <= 0)
+            || milestone_id.is_some_and(|id| id <= 0)
+            || label_ids.iter().any(|id| *id <= 0)
+        {
+            return Err("Invalid issue editor selection.".into());
+        }
+        let label_ids: Vec<_> = label_ids
+            .into_iter()
+            .collect::<std::collections::BTreeSet<_>>()
+            .into_iter()
+            .collect();
+        let draft = IssueDraft {
+            title: title.into(),
+            body,
+            label_ids,
+            milestone_id,
+            due_date,
+        };
+        let server = self.server()?;
+        let issue = match number {
+            Some(number) => edit_issue(&server, owner, repository, number, draft).await?,
+            None => create_issue(&server, owner, repository, draft).await?,
+        };
+        issue
+            .number
+            .ok_or_else(|| "The saved issue has no number.".into())
+    }
+
     pub async fn milestones(
         &self,
         owner: String,
@@ -502,6 +562,18 @@ impl GotchaCore {
     }
 }
 
+fn validate_repository<'a>(
+    owner: &'a str,
+    repository: &'a str,
+) -> Result<(&'a str, &'a str), GotchaError> {
+    let owner = owner.trim();
+    let repository = repository.trim();
+    if owner.is_empty() || repository.is_empty() {
+        return Err("Select a repository first.".into());
+    }
+    Ok((owner, repository))
+}
+
 impl GotchaCore {
     fn server(&self) -> Result<Server, GotchaError> {
         let state = self.state.lock().unwrap();