added get_one, get_popular datasource methods, added respective routes

backend/public/.gitignore

@@ -1,2 +1,3 @@
 target/
 .env
+debug.log

backend/public/Cargo.lock

@@ -1057,6 +1057,7 @@ dependencies = [
  "serde_json",
  "sqlx",
  "tokio",
+ "tower-http",
  "tracing",
  "tracing-subscriber",
 ]
@@ -1803,6 +1804,22 @@ dependencies = [
  "tracing",
 ]
 
+[[package]]
+name = "tower-http"
+version = "0.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8437150ab6bbc8c5f0f519e3d5ed4aa883a83dd4cdd3d1b21f9482936046cb97"
+dependencies = [
+ "bitflags",
+ "bytes",
+ "http",
+ "http-body",
+ "pin-project-lite",
+ "tower-layer",
+ "tower-service",
+ "tracing",
+]
+
 [[package]]
 name = "tower-layer"
 version = "0.3.3"

backend/public/Cargo.toml

@@ -8,6 +8,7 @@ authors = ["Wyatt J. Miller <wyatt@wyattjmiller.com"]
 
 [dependencies]
 axum = "0.7.6"
+tower-http = { version = "0.6.1", features = ["trace"] }
 tokio = { version = "1.40.0", features = ["full"] }
 sqlx = { version = "0.8.2", features = [
   "runtime-tokio-rustls",

backend/public/src/datasources/posts.rs

@@ -1,3 +1,4 @@
+use axum::routing::trace;
 use sqlx::{PgPool, Pool, Postgres};
 
 use crate::routes::posts::Post;
@@ -5,11 +6,20 @@ use crate::routes::posts::Post;
 pub struct PostsDatasource;
 impl PostsDatasource {
     pub async fn get_all(pool: &Pool<Postgres>) -> Result<Vec<Post>, sqlx::Error> {
-        sqlx::query_as::<_, Post>(
-            "SELECT post_id, title, body, created_at FROM posts ORDER BY created_at DESC LIMIT 10",
-        )
+        sqlx::query_as!(Post, "SELECT p.post_id, a.first_name, a.last_name, p.title, p.body, p.created_at FROM posts p LEFT JOIN authors a ON a.author_id = p.author_id WHERE p.deleted_at IS NULL ORDER BY p.created_at DESC LIMIT 10")
+        .fetch_all(pool)
+        .await
+    }
+
+    pub async fn get_one(pool: &Pool<Postgres>, post_id: i32) -> Result<Post, sqlx::Error> {
+        sqlx::query_as!(Post, "SELECT p.post_id, a.first_name, a.last_name, p.title, p.body, p.created_at FROM posts p LEFT JOIN authors a ON a.author_id = p.author_id WHERE p.deleted_at IS NULL AND p.post_id = $1 ORDER BY p.created_at DESC", post_id)
+        .fetch_one(pool)
+        .await
+    }
+
+    pub async fn get_popular(pool: &Pool<Postgres>) -> Result<Vec<Post>, sqlx::Error> {
+        sqlx::query_as!(Post, "SELECT p.post_id, a.first_name, a.last_name, p.title, p.body, p.created_at FROM posts p LEFT JOIN authors a ON a.author_id = p.author_id LEFT JOIN comments c ON p.post_id = c.post_id WHERE p.deleted_at IS NULL GROUP BY p.post_id, a.first_name, a.last_name ORDER BY p.created_at DESC LIMIT 3")
         .fetch_all(pool)
         .await
     }
-    pub async fn get_one(pool: PgPool, post_id: i32) {}
 }

backend/public/src/main.rs

@@ -1,10 +1,13 @@
 use axum::Router;
 use config::config;
 use sqlx::{postgres::PgPoolOptions, PgPool};
+use std::fs::File;
+use std::sync::Arc;
 use std::time::Duration;
 use tokio::net::TcpListener;
 use tokio::signal;
-use tracing_subscriber::{layer::SubscriberExt, util::SubscriberInitExt};
+use tower_http::trace::{self, TraceLayer};
+use tracing_subscriber::{filter, layer::SubscriberExt, prelude::*, util::SubscriberInitExt};
 
 mod config;
 mod datasources;
@@ -16,22 +19,57 @@ pub struct AppState {
 
 #[tokio::main]
 async fn main() {
+    // setting up configuration
     let _ = config();
+
+    // setting up logging
+    let stdout_log = tracing_subscriber::fmt::layer().pretty();
+    let file = File::create("debug.log");
+    let file = match file {
+        Ok(file) => file,
+        Err(error) => panic!("Error: {:?}", error),
+    };
+    let debug_log = tracing_subscriber::fmt::layer().with_writer(Arc::new(file));
+    let metrics_layer = filter::LevelFilter::INFO;
     tracing_subscriber::registry()
         .with(
-            tracing_subscriber::EnvFilter::try_from_default_env().unwrap_or_else(|_| {
-                format!(
-                    "{}=debug,tower_http=debug,axum=trace",
-                    env!("CARGO_CRATE_NAME")
+            stdout_log
+                // Add an `INFO` filter to the stdout logging layer
+                .with_filter(filter::LevelFilter::INFO)
+                // Combine the filtered `stdout_log` layer with the
+                // `debug_log` layer, producing a new `Layered` layer.
+                .and_then(debug_log)
+                // Add a filter to *both* layers that rejects spans and
+                // events whose targets start with `metrics`.
+                .with_filter(filter::filter_fn(|metadata| {
+                    !metadata.target().starts_with("metrics")
+                })),
         )
-                .into()
-            }),
+        .with(
+            // Add a filter to the metrics label that *only* enables
+            // events whose targets start with `metrics`.
+            metrics_layer.with_filter(filter::filter_fn(|metadata| {
+                metadata.target().starts_with("metrics")
+            })),
         )
-        .with(tracing_subscriber::fmt::layer())
         .init();
 
-    let db_connection_str = std::env::var("DATABASE_URL").unwrap();
-    // .unwrap_or_else(|_| "postgres://postgres:password@localhost".to_string());
+    // tracing_subscriber::registry()
+    //     .with(
+    //         tracing_subscriber::EnvFilter::try_from_default_env().unwrap_or_else(|_| {
+    //             format!(
+    //                 "{}=debug,tower_http=debug,axum=trace",
+    //                 env!("CARGO_CRATE_NAME")
+    //             )
+    //             .into()
+    //         }),
+    //     )
+    //     .with(tracing_subscriber::fmt::layer())
+    //     .init();
+
+    // grabbing the database url from our env variables
+    let db_connection_str = std::env::var("DATABASE_URL")
+        .unwrap_or_else(|_| "postgres://postgres:password@localhost".to_string());
 
     // set up connection pool
     let pool = PgPoolOptions::new()
@@ -46,7 +84,12 @@ async fn main() {
     // build our application with some routes
     let app = Router::new()
         .nest("/", routes::root::RootRoute::routes())
-        .nest("/posts", routes::posts::PostsRoute::routes(&app_state));
+        .nest("/posts", routes::posts::PostsRoute::routes(&app_state))
+        .layer(
+            TraceLayer::new_for_http()
+                .make_span_with(trace::DefaultMakeSpan::new().level(tracing::Level::INFO))
+                .on_response(trace::DefaultOnResponse::new().level(tracing::Level::INFO)),
+        );
     // .nest(
     //     "/comments",
     //     routes::comments::CommentsRoute::routes(&app_state),

backend/public/src/routes/posts.rs

@@ -1,22 +1,29 @@
 use crate::{datasources::posts::PostsDatasource, AppState};
 use axum::{
-    extract::State,
+    extract::{Path, State},
     http::StatusCode,
-    response::{IntoResponse, Response},
+    response::IntoResponse,
     routing::get,
     Json, Router,
 };
 use chrono::Utc;
-use serde::{Serialize, Serializer};
-use sqlx::{PgPool, Pool, Postgres};
+use serde::{Deserialize, Serialize, Serializer};
+use sqlx::{Pool, Postgres};
 
-#[derive(sqlx::FromRow, Serialize)]
+#[derive(sqlx::FromRow, Serialize, Debug)]
 pub struct Post {
     pub post_id: i32,
+    pub first_name: Option<String>,
+    pub last_name: Option<String>,
     pub title: String,
     pub body: String,
     #[serde(serialize_with = "serialize_datetime")]
-    pub created_at: chrono::DateTime<Utc>,
+    pub created_at: Option<chrono::DateTime<Utc>>,
+}
+
+#[derive(Deserialize)]
+pub struct PostGetOneParams {
+    pub id: i32,
 }
 
 pub struct PostsRoute;
@@ -25,7 +32,8 @@ impl PostsRoute {
         // add more post routes here!
         Router::new()
             .route("/all", get(PostsRoute::get_all))
-            // .route("/:id", get(PostsRoute::get_one))
+            .route("/:id", get(PostsRoute::get_one))
+            .route("/popular", get(PostsRoute::get_popular_posts))
             .with_state(app_state.db.clone())
     }
 
@@ -38,21 +46,34 @@ impl PostsRoute {
     }
 
     // get one post
-    // async fn get_one(State(pool): State<PgPool>) -> Json<()> {
-    //     let results = PostsDatasource::get_one(pool).await;
-    //     Json {}
-    // }
-
-    // get the top three posts with the highest view count
-    // async fn get_popular_posts(State(pool): State<PgPool>) {}
+    async fn get_one(
+        State(pool): State<Pool<Postgres>>,
+        Path(params): Path<PostGetOneParams>,
+    ) -> impl IntoResponse {
+        match PostsDatasource::get_one(&pool, params.id).await {
+            Ok(post) => Ok(Json(post)),
+            Err(e) => Err((StatusCode::INTERNAL_SERVER_ERROR, e.to_string())),
+        }
+    }
 
     // get the top three posts with the most comments
+    async fn get_popular_posts(State(pool): State<Pool<Postgres>>) -> impl IntoResponse {
+        match PostsDatasource::get_popular(&pool).await {
+            Ok(posts) => Ok(Json(posts)),
+            Err(e) => Err((StatusCode::INTERNAL_SERVER_ERROR, e.to_string())),
+        }
+    }
+
+    // get the top three posts with the highest view count
     // async fn get_hot_posts(State(pool): State<PgPool>) {}
 }
 
-fn serialize_datetime<S>(date: &chrono::DateTime<Utc>, serializer: S) -> Result<S::Ok, S::Error>
+fn serialize_datetime<S>(
+    date: &Option<chrono::DateTime<Utc>>,
+    serializer: S,
+) -> Result<S::Ok, S::Error>
 where
     S: Serializer,
 {
-    serializer.serialize_str(&date.to_rfc3339())
+    serializer.serialize_str(&date.unwrap().to_rfc3339())
 }