Allow creating and updating tasks on the backend. (#2)

Create hurl tests along with the necessary api code to resolve them.

Reviewed-on: #2
Co-authored-by: Drew Galbraith <drew@tiramisu.one>
Co-committed-by: Drew Galbraith <drew@tiramisu.one>

backend/src/services/mod.rs

@@ -0,0 +1,82 @@
+mod tasks;
+
+use axum::{
+    Json,
+    extract::rejection::{JsonRejection, PathRejection},
+    http::StatusCode,
+    response::IntoResponse,
+};
+
+// AppError
+// Borrowed from example: https://github.com/tokio-rs/axum/blob/axum-v0.8.4/examples/anyhow-error-response/src/main.rs
+pub enum AppError {
+    InternalError(anyhow::Error),
+    JsonExtractError(JsonRejection),
+    PathError(PathRejection),
+    NotFound,
+}
+
+#[derive(Serialize)]
+pub struct ErrorJson {
+    error: String,
+}
+
+impl IntoResponse for AppError {
+    fn into_response(self) -> axum::response::Response {
+        match self {
+            Self::InternalError(anyhow_error) => (
+                StatusCode::INTERNAL_SERVER_ERROR,
+                format!("Something went wrong {}", anyhow_error),
+            )
+                .into_response(),
+            Self::JsonExtractError(rej) => (
+                StatusCode::UNPROCESSABLE_ENTITY,
+                Json(ErrorJson {
+                    error: rej.status().to_string(),
+                }),
+            )
+                .into_response(),
+            Self::PathError(rej) => (
+                StatusCode::BAD_REQUEST,
+                Json(ErrorJson {
+                    error: rej.status().to_string(),
+                }),
+            )
+                .into_response(),
+            Self::NotFound => (
+                StatusCode::NOT_FOUND,
+                Json(ErrorJson {
+                    error: "Requeted Entity Not Found".to_string(),
+                }),
+            )
+                .into_response(),
+        }
+    }
+}
+
+impl From<JsonRejection> for AppError {
+    fn from(value: JsonRejection) -> Self {
+        Self::JsonExtractError(value)
+    }
+}
+
+impl From<PathRejection> for AppError {
+    fn from(value: PathRejection) -> Self {
+        Self::PathError(value)
+    }
+}
+
+impl From<anyhow::Error> for AppError {
+    fn from(err: anyhow::Error) -> Self {
+        Self::InternalError(err.into())
+    }
+}
+
+impl From<sqlx::Error> for AppError {
+    fn from(err: sqlx::Error) -> Self {
+        Self::InternalError(err.into())
+    }
+}
+
+use serde::Serialize;
+pub use tasks::*;

backend/src/services/tasks.rs

@@ -0,0 +1,47 @@
+use axum::{
+    Json, Router,
+    extract::{Path, State},
+    http::StatusCode,
+    routing::{get, post},
+};
+use axum_extra::extract::WithRejection;
+use axum_macros::debug_handler;
+use serde::Deserialize;
+use sqlx::{Pool, Sqlite};
+use uuid::Uuid;
+
+use crate::models::TaskModel;
+
+use super::AppError;
+
+pub fn create_task_router() -> Router<Pool<Sqlite>> {
+    Router::new()
+        .route("/", post(create_task))
+        .route("/{task_id}", get(get_task))
+}
+
+#[derive(Deserialize)]
+#[serde(deny_unknown_fields)]
+pub struct CreateTaskRequest {
+    title: String,
+    description: Option<String>,
+}
+
+#[debug_handler]
+pub async fn create_task(
+    State(pool): State<Pool<Sqlite>>,
+    WithRejection(Json(input), _): WithRejection<Json<CreateTaskRequest>, AppError>,
+) -> Result<(StatusCode, Json<TaskModel>), AppError> {
+    let model = TaskModel::insert(&pool, &input.title, input.description.as_deref()).await?;
+
+    Ok((StatusCode::CREATED, Json(model)))
+}
+
+pub async fn get_task(
+    State(pool): State<Pool<Sqlite>>,
+    WithRejection(Path(task_id), _): WithRejection<Path<Uuid>, AppError>,
+) -> Result<(StatusCode, Json<TaskModel>), AppError> {
+    let model = TaskModel::get_by_id(&pool, task_id).await?;
+
+    Ok((StatusCode::OK, Json(model)))
+}