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//! Module for updating a single user's s3 data
//! record in the local postgres db
//! (note: this does not re-upload the s3 data again,
//! it just updates the local db record)
//!
//! ## Update an existing user data file record for a file stored in AWS S3
//!
//! Update the ``users_data`` tracking record for a file that exists in AWS S3
//!
//! - URL path: ``/user/data``
//! - Method: ``PUT``
//! - Handler: [`update_user_data`](crate::requests::user::update_user_data::update_user_data)
//! - Request: [`ApiReqUserUpdateData`](crate::requests::user::update_user_data::ApiReqUserUpdateData)
//! - Response: [`ApiResUserUpdateData`](crate::requests::user::update_user_data::ApiResUserUpdateData)
//!
use std::convert::Infallible;
use postgres_native_tls::MakeTlsConnector;
use bb8::Pool;
use bb8_postgres::PostgresConnectionManager;
use hyper::header::HeaderValue;
use hyper::Body;
use hyper::HeaderMap;
use hyper::Response;
use serde::Deserialize;
use serde::Serialize;
use kafka_threadpool::kafka_publisher::KafkaPublisher;
use crate::core::core_config::CoreConfig;
use crate::kafka::publish_msg::publish_msg;
use crate::requests::auth::validate_user_token::validate_user_token;
use crate::requests::models::user_data::ModelUserData;
/// ApiReqUserUpdateData
///
/// # Request Type For update_user_data
///
/// Handles updating a `users_data` record in the db
///
/// This type is the deserialized input for:
/// [`update_user_data`](crate::requests::user::update_user_data::update_user_data]
///
/// # Usage
///
/// This type is constructed from the deserialized
/// `bytes` (`&[u8]`) argument
/// on the
/// [`update_user_data`](crate::requests::user::update_user_data::update_user_data)
/// function.
///
/// # Arguments
///
/// * `user_id` - `i32` - user id
/// * `data_id` - `i32` - `users_data.id` record to update
/// * `filename` - `Option<String>` - change the
/// `users_data.filename` field
/// * `data_type` - `Option<String>` - change the
/// `users_data.data_type` field
/// * `comments` - `Option<String>` - change the
/// `users_data.comments` field
/// * `encoding` - `Option<String>` - change the
/// `users_data.encoding` field
/// * `sloc` - `Option<String>` - change the
/// `users_data.sloc` field
///
#[derive(Serialize, Deserialize, Clone)]
pub struct ApiReqUserUpdateData {
pub user_id: i32,
pub data_id: i32,
pub filename: Option<String>,
pub data_type: Option<String>,
pub comments: Option<String>,
pub encoding: Option<String>,
pub sloc: Option<String>,
}
/// implementation for wrapping complex sql statement creation
impl ApiReqUserUpdateData {
/// get_sql
///
/// Build the update sql statement based off the
/// object's values
///
pub fn get_sql(&self) -> String {
let mut update_value = ("UPDATE \
users_data \
SET ")
.to_string();
let mut num_params = 0;
match &self.filename {
Some(v) => {
match num_params {
0 => {
update_value =
format!("{update_value} filename = '{v}'")
}
_ => {
update_value =
format!("{update_value}, filename = '{v}'")
}
}
num_params += 1;
0
}
None => 1,
};
match &self.data_type {
Some(v) => {
match num_params {
0 => {
update_value =
format!("{update_value} data_type = '{v}'")
}
_ => {
update_value =
format!("{update_value}, data_type = '{v}'")
}
}
num_params += 1;
0
}
None => 1,
};
match &self.comments {
Some(v) => {
match num_params {
0 => {
update_value =
format!("{update_value} comments = '{v}'")
}
_ => {
update_value =
format!("{update_value}, comments = '{v}'")
}
}
num_params += 1;
0
}
None => 1,
};
match &self.encoding {
Some(v) => {
match num_params {
0 => {
update_value =
format!("{update_value} encoding = '{v}'")
}
_ => {
update_value =
format!("{update_value}, encoding = '{v}'")
}
}
num_params += 1;
0
}
None => 1,
};
if false {
println!(
"ApiReqUserUpdateData \
num_params={num_params}"
);
}
// info!("ApiReqUserUpdateData query: {cur_query}");
format!(
"{} \
WHERE \
users_data.id = {} \
RETURNING \
users_data.id, \
users_data.user_id, \
users_data.filename, \
users_data.data_type, \
users_data.size_in_bytes, \
users_data.comments, \
users_data.encoding, \
users_data.sloc, \
users_data.created_at, \
users_data.updated_at",
update_value, self.data_id
)
}
}
/// ApiResUserUpdateData
///
/// # Response type for update_user_data
///
/// Return user's db record
///
/// # Usage
///
/// This type is the serialized output for the function:
/// [`update_user_data`](crate::requests::user::update_user_data::update_user_data]
/// and contained within the
/// hyper [`Body`](hyper::Body)
/// of the
/// hyper [`Response`](hyper::Response)
/// sent back to the client.
///
/// # Arguments
///
/// * `data` - [`ModelUserData`](crate::requests::models::user_data::ModelUserData) -
/// the newly-updated record from the `users_data` db table
/// * `msg` - `String` - help message
///
#[derive(Serialize, Deserialize, Clone)]
pub struct ApiResUserUpdateData {
pub data: ModelUserData,
pub msg: String,
}
/// update_user_data
///
/// Handles updating a user data record (in the `users_data` table)
/// based off values in the POST-ed hyper
/// [`Request`](hyper::Request)'s [`Body`](hyper::Body)
///
/// ## Overview Notes
///
/// This function only updates 1 `users_data` record at a time.
///
/// # Arguments
///
/// * `tracking_label` - `&str` - caller logging label
/// * `config` - [`CoreConfig`](crate::core::core_config::CoreConfig)
/// * `db_pool` - [`Pool`](bb8::Pool) - postgres client
/// db threadpool with required tls encryption
/// * `kafka_pool` -
/// [`KafkaPublisher`](kafka_threadpool::kafka_publisher::KafkaPublisher)
/// for asynchronously publishing messages to the connected kafka cluster
/// * `headers` - [`HeaderMap`](hyper::HeaderMap) -
/// hashmap containing headers in key-value pairs
/// [`Request`](hyper::Request)'s [`Body`](hyper::Body)
/// * `bytes` - `&[u8]` - received bytes from the hyper
/// [`Request`](hyper::Request)'s [`Body`](hyper::Body)
///
/// # Returns
///
/// ## update_user_data on Success Returns
///
/// The newly-updated `users_data` record from the db
/// ([`ModelUserData`](crate::requests::models::user_data::ModelUserData))
///
/// hyper [`Response`](hyper::Response)
/// containing a json-serialized
/// [`ApiResUserUpdateData`](crate::requests::user::update_user_data::ApiResUserUpdateData)
/// dictionary within the
/// [`Body`](hyper::Body) and a
/// `200` HTTP status code
///
/// Ok([`Response`](hyper::Response))
///
/// # Errors
///
/// ## update_user_data on Failure Returns
///
/// All errors return as a
/// hyper [`Response`](hyper::Response)
/// containing a json-serialized
/// [`ApiResUserUpdateData`](crate::requests::user::update_user_data::ApiResUserUpdateData)
/// dictionary with a
/// `non-200` HTTP status code
///
/// Err([`Response`](hyper::Response))
///
pub async fn update_user_data(
tracking_label: &str,
config: &CoreConfig,
db_pool: &Pool<PostgresConnectionManager<MakeTlsConnector>>,
kafka_pool: &KafkaPublisher,
headers: &HeaderMap<HeaderValue>,
bytes: &[u8],
) -> std::result::Result<Response<Body>, Infallible> {
let user_object: ApiReqUserUpdateData = match serde_json::from_slice(bytes)
{
Ok(uo) => uo,
Err(_) => {
let response = Response::builder()
.status(400)
.body(Body::from(
serde_json::to_string(&ApiResUserUpdateData {
data: ModelUserData::default(),
msg: ("User update data failed - please ensure \
user_id and id are set \
with optional arguments \
filename, size_in_bytes, \
comments, data_type, encoding \
were set correctly in the request")
.to_string(),
})
.unwrap(),
))
.unwrap();
return Ok(response);
}
};
let user_id = user_object.user_id;
let conn = db_pool.get().await.unwrap();
let _token = match validate_user_token(
tracking_label,
config,
&conn,
headers,
user_object.user_id,
)
.await
{
Ok(_token) => _token,
Err(_) => {
let response = Response::builder()
.status(400)
.body(Body::from(
serde_json::to_string(&ApiResUserUpdateData {
data: ModelUserData::default(),
msg: ("User update data failed due to invalid token")
.to_string(),
})
.unwrap(),
))
.unwrap();
return Ok(response);
}
};
let cur_query = user_object.get_sql();
let stmt = conn.prepare(&cur_query).await.unwrap();
let query_result = match conn.query(&stmt, &[]).await {
Ok(query_result) => query_result,
Err(e) => {
let err_msg = format!("{e}");
let response = Response::builder()
.status(500)
.body(Body::from(
serde_json::to_string(&ApiResUserUpdateData {
data: ModelUserData::default(),
msg: format!(
"User update data failed for user_id={user_id} \
with err='{err_msg}'"
),
})
.unwrap(),
))
.unwrap();
return Ok(response);
}
};
let mut row_list: Vec<ModelUserData> = Vec::with_capacity(1);
for row in query_result.iter() {
let found_data_id: i32 = row.try_get("id").unwrap();
let found_user_id: i32 = row.try_get("user_id").unwrap();
let found_filename: String = row.try_get("filename").unwrap();
let found_data_type: String = row.try_get("data_type").unwrap();
let found_size_in_bytes: i64 = row.try_get("size_in_bytes").unwrap();
let found_comments: String = row.try_get("comments").unwrap();
let found_encoding: String = row.try_get("encoding").unwrap();
let found_sloc: String = row.try_get("sloc").unwrap();
let created_at_utc: chrono::DateTime<chrono::Utc> =
row.try_get("created_at").unwrap();
let updated_at_str: String = match row.try_get("updated_at") {
Ok(v) => {
let updated_at_utc: chrono::DateTime<chrono::Utc> = v;
format!("{}", updated_at_utc.format("%Y-%m-%dT%H:%M:%SZ"))
}
Err(_) => "".to_string(),
};
row_list.push(ModelUserData {
user_id: found_user_id,
data_id: found_data_id,
filename: found_filename,
data_type: found_data_type,
size_in_bytes: found_size_in_bytes,
comments: found_comments,
encoding: found_encoding,
sloc: found_sloc,
created_at: format!(
"{}",
created_at_utc.format("%Y-%m-%dT%H:%M:%SZ")
),
updated_at: updated_at_str,
msg: "success".to_string(),
});
}
if row_list.is_empty() {
let response = Response::builder()
.status(200)
.body(Body::from(
serde_json::to_string(&ApiResUserUpdateData {
data: ModelUserData::default(),
msg: "no update data found".to_string(),
})
.unwrap(),
))
.unwrap();
Ok(response)
} else {
// if enabled, publish to kafka
if config.kafka_publish_events {
publish_msg(
kafka_pool,
// topic
"user.events",
// partition key
&format!("user-{}", user_id),
// optional headers stored in: Option<HashMap<String, String>>
None,
// payload in the message
&format!("USER_UPDATE_DATA user={user_id}"),
)
.await;
}
let response = Response::builder()
.status(200)
.body(Body::from(
serde_json::to_string(&ApiResUserUpdateData {
data: row_list.remove(0),
msg: "success".to_string(),
})
.unwrap(),
))
.unwrap();
Ok(response)
}
}