Add PATCH support in Gitea client and update issue handling

Extend Gitea client with a `patch` method for executing PATCH requests. Introduce `IssueWriteSetBody` struct for serializing issue update payloads. Update Gitea action to append related issues and send PATCH requests to update issue descriptions.

src/gitea/action.rs

@@ -2,12 +2,12 @@ use crate::cli::Issue2Work;
 use crate::config::Config;
 use crate::error::GeneralError;
 use crate::gitea::client::has_client_for_url;
-use crate::gitea::issue::{issue_html_url_to_api, Issue};
+use crate::gitea::issue::{issue_html_url_to_api, Issue, IssueWriteSetBody};
 use crate::openproject::user::{GetMe, User};
 use crate::openproject::work::WorkPackageWriter;
+use crate::planning::utils::{append_related_issues, IssueRelated};
 use crate::planning::Issue2WorkActionTrait;
 use url::Url;
-use crate::planning::utils::{append_related_issues, IssueRelated};
 
 pub(crate) struct GiteaAction {}
 
@@ -33,20 +33,28 @@ impl Issue2WorkActionTrait for GiteaAction {
             .create_work_package(&work_package, &args.project_id)
             .await?;
 
-        let url = format!(
+        let url_wp = format!(
             "{}/projects/{}/work_packages/{}",
             config.openproject.base_url, args.project_id, work_package.id
         );
 
-        let content = append_related_issues(&IssueRelated::OpenProjectIssue(url.to_string()), &issue.body);
-
+        let content = append_related_issues(
+            &IssueRelated::OpenProjectIssue(url_wp.to_string()),
+            &issue.body,
+        );
+        let _u: Issue = gitea_client
+            .patch(
+                issue_html_url_to_api(url)?,
+                &IssueWriteSetBody { body: content },
+            )
+            .await?;
 
         println!(
             "new work package created: {:?}, edit at {}",
-            work_package.subject, url
+            work_package.subject, url_wp
         );
 
-        if let Err(e) = open::that(url) {
+        if let Err(e) = open::that(url_wp) {
             println!("failed to open work package in browser: {}", e);
         };
 

src/gitea/client.rs

@@ -1,8 +1,9 @@
 use crate::config::{Config, GiteaConfig};
 use crate::error::GeneralError;
 use reqwest::header::{HeaderMap, ACCEPT, AUTHORIZATION};
-use reqwest::{ClientBuilder, StatusCode};
+use reqwest::{Body, ClientBuilder, StatusCode};
 use serde::de::DeserializeOwned;
+use serde::Serialize;
 use url::Url;
 
 #[derive(Debug)]
@@ -79,6 +80,38 @@ impl Client {
             }),
         }
     }
+
+    pub async fn patch<T: DeserializeOwned, B: Serialize>(
+        &self,
+        url: Url,
+        body: &B,
+    ) -> Result<T, GeneralError> {
+        let mut headers = HeaderMap::new();
+        headers.append(AUTHORIZATION, format!("token {}", self.token).parse()?);
+        headers.append(ACCEPT, "application/json".parse()?);
+
+        let client = ClientBuilder::new()
+            .default_headers(headers)
+            .build()
+            .unwrap();
+
+        let response = client.patch(url.clone()).json(body).send().await?;
+
+        match response.status() {
+            StatusCode::OK | StatusCode::CREATED => {
+                let result: T = response.json().await?;
+
+                Ok(result)
+            }
+            _ => Err(GeneralError {
+                description: format!(
+                    "Could not call PATCH on {:?}, error code {}",
+                    url,
+                    response.status()
+                ),
+            }),
+        }
+    }
 }
 
 #[cfg(test)]

src/gitea/issue.rs

@@ -1,7 +1,8 @@
 use crate::error::GeneralError;
 use crate::gitea::client::Client;
 use crate::gitea::repository::Repository;
-use serde::Deserialize;
+use reqwest::Body;
+use serde::{Deserialize, Serialize};
 use url::Url;
 
 #[derive(Debug, Deserialize)]
@@ -14,6 +15,11 @@ pub struct Issue {
     pub html_url: String,
 }
 
+#[derive(Debug, Serialize)]
+pub struct IssueWriteSetBody {
+    pub body: String,
+}
+
 pub trait IssueClient {
     fn get_issue(owner_or_organisation: &String, repo: &String, number: &u64) -> Option<Issue>;
 }