3 files changed, 182 insertions, 0 deletions
diff --git a/src/commit/mod.rs b/src/commit/mod.rs
new file mode 100644
index 0000000..a0e1883
--- /dev/null
+++ b/src/commit/mod.rs
@@ -0,0 +1,2 @@
+pub mod models;
+pub mod routes;
diff --git a/src/commit/models.rs b/src/commit/models.rs
new file mode 100644
index 0000000..8b81a15
--- /dev/null
+++ b/src/commit/models.rs
@@ -0,0 +1,96 @@
+use crate::db::get_client;
+use crate::errors::{AppError, AppErrorType};
+
+use chrono::{DateTime, Local};
+use deadpool_postgres::Pool;
+use serde::{Deserialize, Serialize};
+use tokio_pg_mapper::FromTokioPostgresRow;
+use tokio_pg_mapper_derive::PostgresMapper;
+
+#[derive(Serialize, Deserialize, PostgresMapper)]
+#[pg_mapper(table = "commit")]
+/// Commit model
+pub struct Commit {
+    pub hash: String,
+    pub tree: Option<String>,
+    pub text: String,
+    pub date: DateTime<Local>,
+    pub author_email: String, // Reference to Email
+    pub author_name: String,
+    pub committer_email: String, // Reference to Email
+    pub committer_name: String,
+    pub repository_url: String, // Reference to Repository
+}
+
+impl Commit {
+    /// Find all commits. Order them by descrescent `date` field
+    pub async fn find_all(pool: Pool) -> Result<Vec<Commit>, AppError> {
+        let client = get_client(pool.clone()).await.unwrap();
+        let statement = client
+            .prepare("SELECT * FROM commit ORDER BY date DESC")
+            .await?;
+
+        let commits = client
+            .query(&statement, &[])
+            .await?
+            .iter()
+            .map(|row| Commit::from_row_ref(row).unwrap())
+            .collect::<Vec<Commit>>();
+
+        Ok(commits)
+    }
+
+    // Find a commit that it has an hash equals to `hash`
+    pub async fn find(pool: Pool, hash: String) -> Result<Commit, AppError> {
+        let client = get_client(pool.clone()).await.unwrap();
+        let statement = client
+            .prepare("SELECT * FROM commit WHERE hash = $1")
+            .await?;
+
+        let commit = client
+            .query_opt(&statement, &[&hash])
+            .await?
+            .map(|row| Commit::from_row_ref(&row).unwrap());
+
+        match commit {
+            Some(commit) => Ok(commit),
+            None => Err(AppError {
+                error_type: AppErrorType::NotFoundError,
+                cause: None,
+                message: Some("Commit not found".to_string()),
+            }),
+        }
+    }
+
+    /// Find a commit and delete it, but before check if "Authorization"
+    /// matches with SECRET_KEY
+    pub async fn delete(
+        pool: Pool,
+        hash: &String,
+    ) -> Result<Commit, AppError> {
+        let client = get_client(pool.clone()).await.unwrap();
+        let statement = client
+            .prepare(
+                "
+                DELETE FROM commit
+                WHERE hash=$1
+                RETURNING *
+                ",
+            )
+            .await?;
+
+        let commit = client
+            .query_opt(&statement, &[&hash])
+            .await?
+            .map(|row| Commit::from_row_ref(&row).unwrap());
+
+        match commit {
+            Some(commit) => Ok(commit),
+            None => Err(AppError {
+                error_type: AppErrorType::NotFoundError,
+                cause: None,
+                message: Some("Commit not found".to_string()),
+            }),
+        }
+    }
+}
diff --git a/src/commit/routes.rs b/src/commit/routes.rs
new file mode 100644
index 0000000..e49f698
--- /dev/null
+++ b/src/commit/routes.rs
@@ -0,0 +1,84 @@
+use crate::commit::models::Commit;
+use crate::config::AppState;
+use crate::errors::{AppError, AppErrorResponse, AppErrorType};
+use actix_web::http::header;
+use actix_web::{web, HttpRequest, HttpResponse, Responder};
+use slog::info;
+use std::env;
+
+/// Endpoint used for getting all commits
+async fn index(state: web::Data<AppState>) -> impl Responder {
+    info!(state.log, "GET /commit/");
+    let result = Commit::find_all(state.pool.clone()).await;
+
+    match result {
+        Ok(commits) => HttpResponse::Ok().json(commits),
+        _ => HttpResponse::BadRequest().json(AppErrorResponse {
+            detail: "Error trying to read all commits from database"
+                .to_string(),
+        }),
+    }
+}
+
+// Endpoint used for getting one commit
+async fn get_commit(
+    state: web::Data<AppState>,
+    hash: web::Path<(String,)>,
+) -> impl Responder {
+    info!(state.log, "GET /commit/{}/", &hash.0);
+
+    let result = Commit::find(state.pool.clone(), hash.0.clone()).await;
+
+    result
+        .map(|commit| HttpResponse::Ok().json(commit))
+        .map_err(|e| e)
+}
+
+/// Endpoint used for delete commitsitory.
+/// It uses a SECRET_KEY used like an API key
+async fn delete_commit(
+    req: HttpRequest,
+    state: web::Data<AppState>,
+    hash: web::Path<(String,)>,
+) -> impl Responder {
+    match req.headers().get(header::AUTHORIZATION) {
+        Some(x)
+            if x.to_str().unwrap()
+                != env::var("SECRET_KEY").unwrap_or("".to_string()) =>
+        {
+            info!(state.log, "DELETE /commit/{}/ 401", &hash.0);
+            return Err(AppError {
+                error_type: AppErrorType::AuthorizationError,
+                message: Some(
+                    "You must provide a valid Authorization".to_string(),
+                ),
+                cause: None,
+            });
+        }
+        Some(_) => {}
+        None => {
+            info!(state.log, "DELETE /commit/{}/ 400", &hash.0);
+            return Ok(HttpResponse::BadRequest().body(""));
+        }
+    };
+
+    let result = Commit::delete(state.pool.clone(), &hash.0).await;
+    info!(state.log, "DELETE /commit/{}/", &hash.0);
+
+    result
+        .map(|_| HttpResponse::NoContent().body(""))
+        .map_err(|e| e)
+}
+
+/// Routes for commits
+pub fn config(cfg: &mut web::ServiceConfig) {
+    cfg.service(
+        web::scope("/commit")
+            .service(web::resource("{_:/?}").route(web::get().to(index)))
+            .service(
+                web::resource("/{hash}{_:/?}")
+                    .route(web::get().to(get_commit))
+                    .route(web::delete().to(delete_commit)),
+            ),
+    );
+}