parse gitea pr webhook

.devcontainer/devcontainer.json

@@ -12,8 +12,18 @@
     "containerEnv": {
         "SHELL": "/bin/bash"
     },
+    "customizations": {
+        "vscode": {
+            "extensions": ["rust-lang.rust-analyzer"],
+            "settings": {
+                "[rust]": {
+                    "editor.defaultFormatter": "rust-lang.rust-analyzer",
+                    "editor.formatOnSave": true
+                }
+            }
+        }
+    },
     "workspaceMount": "source=${localWorkspaceFolder},target=/workspaces/herald,type=bind",
     "workspaceFolder": "/workspaces/herald",
-    "runArgs": ["--userns=keep-id", "--security-opt", "label=disable"],
     "appPort": [3000]
 }

docs/webhook_pr_body.json

@@ -0,0 +1,224 @@
+{
+  "action": "created",
+  "issue": {
+    "id": 1,
+    "url": "https://gitea.example.com/api/v1/repos/username/repo-name/issues/1",
+    "html_url": "https://gitea.example.com/username/repo-name/pulls/1",
+    "number": 1,
+    "user": {
+      "id": 1,
+      "login": "username",
+      "login_name": "",
+      "source_id": 0,
+      "full_name": "",
+      "email": "user@example.com",
+      "avatar_url": "https://gitea.example.com/avatars/aabbccdd",
+      "html_url": "https://gitea.example.com/username",
+      "language": "en-US",
+      "is_admin": true,
+      "last_login": "2026-01-01T00:00:00+02:00",
+      "created": "2025-01-01T00:00:00+02:00",
+      "restricted": false,
+      "active": true,
+      "prohibit_login": false,
+      "location": "",
+      "website": "",
+      "description": "",
+      "visibility": "public",
+      "followers_count": 0,
+      "following_count": 0,
+      "starred_repos_count": 0,
+      "username": "username"
+    },
+    "original_author": "",
+    "original_author_id": 0,
+    "title": "impl webhook route",
+    "body": "",
+    "ref": "",
+    "assets": [],
+    "labels": [],
+    "milestone": null,
+    "assignee": null,
+    "assignees": null,
+    "state": "open",
+    "is_locked": false,
+    "comments": 1,
+    "created_at": "2026-01-01T00:00:00+02:00",
+    "updated_at": "2026-01-01T00:00:00+02:00",
+    "closed_at": null,
+    "due_date": null,
+    "time_estimate": 0,
+    "pull_request": {
+      "merged": false,
+      "merged_at": null,
+      "draft": false,
+      "html_url": "https://gitea.example.com/username/repo-name/pulls/1"
+    },
+    "repository": {
+      "id": 8,
+      "name": "repo-name",
+      "owner": "username",
+      "full_name": "username/repo-name"
+    },
+    "pin_order": 0,
+    "content_version": 0
+  },
+  "pull_request": {
+    "id": 1,
+    "url": "https://gitea.example.com/username/repo-name/pulls/1",
+    "number": 1,
+    "user": {
+      "id": 1,
+      "login": "username",
+      "login_name": "",
+      "source_id": 0,
+      "full_name": "",
+      "email": "user@example.com",
+      "avatar_url": "https://gitea.example.com/avatars/aabbccdd",
+      "html_url": "https://gitea.example.com/username",
+      "language": "en-US",
+      "is_admin": true,
+      "last_login": "2026-01-01T00:00:00+02:00",
+      "created": "2025-01-01T00:00:00+02:00",
+      "restricted": false,
+      "active": true,
+      "prohibit_login": false,
+      "location": "",
+      "website": "",
+      "description": "",
+      "visibility": "public",
+      "followers_count": 0,
+      "following_count": 0,
+      "starred_repos_count": 0,
+      "username": "username"
+    },
+    "title": "impl webhook route",
+    "body": "",
+    "labels": [],
+    "milestone": null,
+    "assignee": null,
+    "assignees": [],
+    "requested_reviewers": [],
+    "requested_reviewers_teams": [],
+    "state": "open",
+    "draft": false,
+    "is_locked": false,
+    "comments": 1,
+    "review_comments": 0,
+    "additions": 3,
+    "deletions": 3,
+    "changed_files": 2,
+    "html_url": "https://gitea.example.com/username/repo-name/pulls/1",
+    "diff_url": "https://gitea.example.com/username/repo-name/pulls/1.diff",
+    "patch_url": "https://gitea.example.com/username/repo-name/pulls/1.patch",
+    "mergeable": true,
+    "merged": false,
+    "merged_at": null,
+    "merge_commit_sha": null,
+    "merged_by": null,
+    "allow_maintainer_edit": false,
+    "base": {
+      "label": "main",
+      "ref": "main",
+      "sha": "aabbccdd00112233445566778899aabbccdd0011",
+      "repo_id": 8,
+      "repo": {
+        "id": 8,
+        "owner": {
+          "id": 1,
+          "login": "username",
+          "email": "user@example.com",
+          "avatar_url": "https://gitea.example.com/avatars/aabbccdd",
+          "html_url": "https://gitea.example.com/username",
+          "username": "username"
+        },
+        "name": "repo-name",
+        "full_name": "username/repo-name",
+        "description": "A self-hosted Gitea bot.",
+        "html_url": "https://gitea.example.com/username/repo-name",
+        "url": "https://gitea.example.com/api/v1/repos/username/repo-name",
+        "ssh_url": "git@gitea.example.com:username/repo-name.git",
+        "clone_url": "https://gitea.example.com/username/repo-name.git",
+        "default_branch": "main"
+      }
+    },
+    "head": {
+      "label": "webhook",
+      "ref": "webhook",
+      "sha": "eeff00112233445566778899aabbccddeeff0011",
+      "repo_id": 8,
+      "repo": {
+        "id": 8,
+        "owner": {
+          "id": 1,
+          "login": "username",
+          "email": "user@example.com",
+          "avatar_url": "https://gitea.example.com/avatars/aabbccdd",
+          "html_url": "https://gitea.example.com/username",
+          "username": "username"
+        },
+        "name": "repo-name",
+        "full_name": "username/repo-name",
+        "description": "A self-hosted Gitea bot.",
+        "html_url": "https://gitea.example.com/username/repo-name",
+        "url": "https://gitea.example.com/api/v1/repos/username/repo-name",
+        "ssh_url": "git@gitea.example.com:username/repo-name.git",
+        "clone_url": "https://gitea.example.com/username/repo-name.git",
+        "default_branch": "main"
+      }
+    },
+    "merge_base": "aabbccdd00112233445566778899aabbccdd0011",
+    "due_date": null,
+    "created_at": "2026-01-01T00:00:00+02:00",
+    "updated_at": "2026-01-01T00:00:00+02:00",
+    "closed_at": null
+  },
+  "comment": {
+    "id": 3,
+    "html_url": "https://gitea.example.com/username/repo-name/pulls/1#issuecomment-3",
+    "pull_request_url": "https://gitea.example.com/username/repo-name/pulls/1",
+    "issue_url": "",
+    "user": {
+      "id": 1,
+      "login": "username",
+      "email": "user@example.com",
+      "avatar_url": "https://gitea.example.com/avatars/aabbccdd",
+      "html_url": "https://gitea.example.com/username",
+      "username": "username"
+    },
+    "original_author": "",
+    "original_author_id": 0,
+    "body": "Test comment",
+    "assets": [],
+    "created_at": "2026-01-01T00:00:00+02:00",
+    "updated_at": "2026-01-01T00:00:00+02:00"
+  },
+  "repository": {
+    "id": 8,
+    "owner": {
+      "id": 1,
+      "login": "username",
+      "email": "user@example.com",
+      "avatar_url": "https://gitea.example.com/avatars/aabbccdd",
+      "html_url": "https://gitea.example.com/username",
+      "username": "username"
+    },
+    "name": "repo-name",
+    "full_name": "username/repo-name",
+    "description": "A self-hosted Gitea bot.",
+    "html_url": "https://gitea.example.com/username/repo-name",
+    "url": "https://gitea.example.com/api/v1/repos/username/repo-name",
+    "ssh_url": "git@gitea.example.com:username/repo-name.git",
+    "clone_url": "https://gitea.example.com/username/repo-name.git",
+    "default_branch": "main"
+  },
+  "sender": {
+    "id": 1,
+    "login": "username",
+    "email": "user@example.com",
+    "avatar_url": "https://gitea.example.com/avatars/aabbccdd",
+    "html_url": "https://gitea.example.com/username",
+    "username": "username"
+  },
+  "is_pull": true
+}

src/api.rs

@@ -1,10 +1,15 @@
-use axum::Router;
+use axum::response::{Response, IntoResponse};
-use axum::routing::get;
+use axum::{Json, Router};
+use axum::extract::FromRequest;
+use axum::routing::{post, get};
+use reqwest::StatusCode;
+use serde_json::Value;
 
-use crate::env;
+use crate::env::{EnvConfig};
+use crate::gitea::WebhookType;
 
-pub async fn start_api(config: env::EnvConfig) -> anyhow::Result<()> {
+pub async fn start_api(config: EnvConfig) -> anyhow::Result<()> {
-    let app = Router::new().route("/webhook", get(webhook));
+    let app = Router::new().route("/", get(root)).route("/webhook", post(webhook));
     let listerner = tokio::net::TcpListener::bind(format!("0.0.0.0:{}", config.http_port)).await?;
 
     axum::serve(listerner, app)
@@ -12,6 +17,38 @@ pub async fn start_api(config: env::EnvConfig) -> anyhow::Result<()> {
         .map_err(|e| anyhow::anyhow!(e))
 }
 
-async fn webhook() -> &'static str {
+async fn root() -> &'static str {
-    "Hello, World!"
+    "Hi, i'm Herald :)"
+}
+
+async fn webhook(WebhookExtract(wb): WebhookExtract) -> Response {
+    match wb {
+        WebhookType::Review(id, _) => format!("Received {} pr id", id),
+        _ => String::from("Nothing to see :/")
+    }.into_response()
+}
+
+pub struct WebhookExtract(pub WebhookType);
+
+impl<S> FromRequest<S> for WebhookExtract
+where
+    S: Send + Sync,
+{
+    type Rejection = Response;
+
+    async fn from_request(
+        req: axum::extract::Request,
+        state: &S,
+    ) -> Result<Self, Self::Rejection> {
+        let Json(value) = Json::<Value>::from_request(req, state)
+            .await
+            .map_err(|e| e.into_response())?;
+
+        let webhook = WebhookType::try_from(value)
+            .map_err(|e| {
+                (StatusCode::UNPROCESSABLE_ENTITY, e.to_string()).into_response()
+            })?;
+
+        Ok(WebhookExtract(webhook))
+    }
 }

src/bot.rs

@@ -0,0 +1,5 @@
+use crate::gitea::WebhookType;
+
+pub async fn exec(webhook: WebhookType) {
+
+}

src/gitea.rs

@@ -0,0 +1,35 @@
+use anyhow::anyhow;
+use serde_json::Value;
+
+
+pub enum WebhookType {
+    Review(u64, String)
+}
+
+impl TryFrom<Value> for WebhookType {
+    type Error = anyhow::Error;
+
+    fn try_from(json: Value) -> Result<Self, Self::Error> {
+        let pull_request = json.get("pull_request");
+        let comment = json.get("comment");
+
+        if let (Some(pull_request), Some(comment)) = (pull_request, comment) {
+            let comment_body = comment
+                .get("body")
+                .ok_or(anyhow!("comment body not found"))?
+                .as_str()
+                .ok_or(anyhow!("error while get pr comment"))?
+                .to_string();
+
+            let pr_id = pull_request
+                .get("id")
+                .ok_or(anyhow!("pr id not found"))?
+                .as_u64()
+                .ok_or(anyhow!("error while get pr id"))?;
+
+            return Ok(WebhookType::Review(pr_id, comment_body));
+        }
+
+        anyhow::bail!("unknow webhook type")
+    }
+}

src/main.rs

@@ -1,5 +1,7 @@
 mod api;
 mod env;
+mod gitea;
+mod bot;
 
 #[tokio::main]
 async fn main() -> anyhow::Result<()> {