never expiring pastes

backend/schema.sql

@@ -2,13 +2,13 @@ CREATE TABLE IF NOT EXISTS pastes (
     "id" TEXT PRIMARY KEY,
     "content" TEXT NOT NULL,
     "views" BIGINT DEFAULT 0,
-    "expires_at" TIMESTAMP WITHOUT TIME ZONE NOT NULL,
+    "expires_at" TIMESTAMP WITHOUT TIME ZONE,
     "created_at" TIMESTAMP WITHOUT TIME ZONE DEFAULT(NOW() AT TIME ZONE 'utc')
 );
 
 CREATE OR REPLACE FUNCTION deleteExpiredPastes() RETURNS trigger AS $pastes_expire$
     BEGIN
-        DELETE FROM pastes WHERE "expires_at"  < now() AT TIME ZONE 'utc';
+        DELETE FROM pastes WHERE "expires_at" IS NOT NULL AND "expires_at" < now() AT TIME ZONE 'utc';
         RETURN NEW;
     END;
 $pastes_expire$ LANGUAGE plpgsql;

backend/src/main.rs

@@ -11,7 +11,7 @@ use actix_web::{
 };
 use config::Config;
 
-use chrono::Duration;
+use chrono::{Duration, NaiveDateTime};
 use models::{ApiError, ApiResponse, GetPasteResponse, NewPasteResponse, PartialPaste, Paste};
 use nanoid::nanoid;
 use sqlx::{postgres::PgPoolOptions, types::chrono::Utc, PgPool};
@@ -88,7 +88,14 @@ async fn new_paste(state: web::Data<AppState>, data: web::Json<PartialPaste>) ->
     }
 
     let id = nanoid!(10);
-    let expires_at = Utc::now() + Duration::days(state.config.pastes.days_til_expiration);
+
+    let expires_at;
+
+    if state.config.pastes.days_til_expiration == -1 {
+        expires_at = None;
+    } else {
+        expires_at = Some(Utc::now() + Duration::days(state.config.pastes.days_til_expiration));
+    }
 
     let res =
         sqlx::query(r#"INSERT INTO pastes("id", "content", "expires_at") VALUES ($1, $2, $3)"#)
@@ -109,6 +116,7 @@ async fn new_paste(state: web::Data<AppState>, data: web::Json<PartialPaste>) ->
             });
         }
         Err(e) => {
+            println!("{}", e);
             return HttpResponse::InternalServerError().json(ApiResponse {
                 success: false,
                 data: ApiError {

backend/src/models.rs

@@ -7,7 +7,7 @@ pub struct Paste {
     pub id: String,
     pub content: String,
     pub views: i64,
-    pub expires_at: NaiveDateTime,
+    pub expires_at: Option<NaiveDateTime>,
 }
 
 #[derive(Deserialize)]
@@ -32,7 +32,7 @@ pub struct GetPasteResponse {
     pub id: String,
     pub content: String,
     pub views: i64,
-    pub expires_at: NaiveDateTime,
+    pub expires_at: Option<NaiveDateTime>,
 }
 
 #[derive(Serialize)]

config.example.json

@@ -0,0 +1,9 @@
+{
+	"pastes": {
+		"character_limit": 40000,
+		"days_til_expiration": 7
+	},
+	"databases": {
+		"postgres_uri": "postgres://postgres:postgres@localhost:5432/zer0bin"
+	}
+}