allow multiple instances of gitlab to be configured

src/gitlab/client.rs

@@ -0,0 +1,35 @@
+use crate::config::Config;
+use crate::error::GeneralError;
+use gitlab::AsyncGitlab;
+use gitlab::GitlabBuilder;
+use url::Url;
+
+pub trait ClientProviderTrait {
+    async fn client_for_url(url: &Url, config: &Config) -> Result<AsyncGitlab, GeneralError>;
+}
+
+pub struct ClientProvider {}
+
+impl ClientProviderTrait for ClientProvider {
+    async fn client_for_url(url: &Url, config: &Config) -> Result<AsyncGitlab, GeneralError> {
+        for c in &config.gitlab {
+            if url.domain() == Some(c.domain.as_str()) {
+                let client = GitlabBuilder::new("gitlab.com", c.token.clone())
+                    .build_async()
+                    .await;
+
+                return match client {
+                    Ok(new_client) => Ok(new_client),
+                    Err(e) => {
+                        let new_error = e.into();
+                        Err(new_error)
+                    }
+                };
+            }
+        }
+
+        Err(GeneralError {
+            description: format!("No client available for this domain: {:?}", url.domain()),
+        })
+    }
+}

src/gitlab/mod.rs

@@ -1,3 +1,4 @@
+pub mod client;
 pub mod issue;
 
 use crate::error::GeneralError;