Schedule message (#15)

Reviewed-on: phoenix/textsender_api#15

src/caller/message/scheduling.rs

@@ -0,0 +1,104 @@
+pub mod request {
+    use serde::{Deserialize, Serialize};
+    use utoipa::ToSchema;
+
+    #[derive(Debug, Deserialize, Serialize, ToSchema)]
+    pub struct ScheduleMessageRequest {
+        #[serde(with = "time::serde::rfc3339::option")]
+        pub scheduled: Option<time::OffsetDateTime>,
+        pub status: String,
+        pub user_id: uuid::Uuid,
+    }
+
+    impl ScheduleMessageRequest {
+        pub fn is_valid(&self) -> bool {
+            self.scheduled.is_some() || !self.status.is_empty() || !self.user_id.is_nil()
+        }
+    }
+}
+
+pub mod response {
+    use serde::{Deserialize, Serialize};
+    use utoipa::ToSchema;
+
+    #[derive(Debug, Default, Deserialize, Serialize, ToSchema)]
+    pub struct ScheduleMessageResponse {
+        pub message: String,
+        pub data: Vec<textsender_models::message::scheduling::ScheduledMessage>,
+    }
+}
+
+pub mod endpoint {
+    use crate::repo::scheduling as scheduling_repo;
+
+    /// Endpoint to create a Scheudled Message
+    #[utoipa::path(
+    post,
+    path = crate::caller::endpoints::SCHEDULE_MESSAGE,
+    request_body(
+        content = super::request::ScheduleMessageRequest,
+        description = "Data needed to create a Scheduled Message",
+        content_type = "application/json"
+        ),
+    responses(
+        (status = 201, description = "Scheduled Message created", body = super::response::ScheduleMessageResponse),
+        (status = 400, description = "Error", body = super::response::ScheduleMessageResponse),
+        (status = 500, description = "Error creating Scheduled Message", body = super::response::ScheduleMessageResponse)
+    )
+)]
+    pub async fn schedule_message(
+        axum::Extension(pool): axum::Extension<sqlx::PgPool>,
+        axum::Json(payload): axum::Json<super::request::ScheduleMessageRequest>,
+    ) -> (
+        axum::http::StatusCode,
+        axum::Json<super::response::ScheduleMessageResponse>,
+    ) {
+        let mut response = super::response::ScheduleMessageResponse::default();
+
+        if payload.is_valid() {
+            if payload.status != textsender_models::message::scheduling::PENDING {
+                response.message = String::from("scheduled message must be pending");
+                (axum::http::StatusCode::BAD_REQUEST, axum::Json(response))
+            } else {
+                if can_schedule(&payload.scheduled) {
+                    let mut scheduled_message =
+                        textsender_models::message::scheduling::ScheduledMessage {
+                            scheduled: payload.scheduled,
+                            status: payload.status,
+                            ..Default::default()
+                        };
+                    match scheduling_repo::insert(&pool, &scheduled_message, &payload.user_id).await
+                    {
+                        Ok((id, created)) => {
+                            scheduled_message.id = id;
+                            scheduled_message.created = Some(created);
+                            scheduled_message.user_id = payload.user_id;
+                            response.message = String::from("Message scheduled");
+                            response.data.push(scheduled_message);
+                            (axum::http::StatusCode::CREATED, axum::Json(response))
+                        }
+                        Err(err) => {
+                            eprintln!("Error: {err:?}");
+                            response.message = String::from("Error inserting");
+                            (
+                                axum::http::StatusCode::INTERNAL_SERVER_ERROR,
+                                axum::Json(response),
+                            )
+                        }
+                    }
+                } else {
+                    response.message = String::from("Cannot schedule message");
+                    (axum::http::StatusCode::BAD_REQUEST, axum::Json(response))
+                }
+            }
+        } else {
+            response.message = String::from("Request body is not valid");
+            (axum::http::StatusCode::BAD_REQUEST, axum::Json(response))
+        }
+    }
+
+    fn can_schedule(scheduled_time: &Option<time::OffsetDateTime>) -> bool {
+        scheduled_time
+            .is_some_and(|t| t - time::OffsetDateTime::now_utc() >= time::Duration::minutes(10))
+    }
+}