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return pagination object from list matches API

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This commit is contained in:
Ilion Beyst 2022-08-16 19:23:53 +02:00
parent a1c7866f87
commit 03ca884c40
1 changed files with 30 additions and 7 deletions
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37
planetwars-server/src/routes/matches.rs
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@ -44,16 +44,25 @@ pub struct ListRecentMatchesParams {
const MAX_NUM_RETURNED_MATCHES: usize = 100;
const DEFAULT_NUM_RETURNED_MATCHES: usize = 50;
#[derive(Serialize, Deserialize)]
pub struct ListMatchesResponse {
matches: Vec<ApiMatch>,
has_next: bool,
}
pub async fn list_recent_matches(
Query(params): Query<ListRecentMatchesParams>,
conn: DatabaseConnection,
) -> Result<Json<Vec<ApiMatch>>, StatusCode> {
let count = std::cmp::min(
) -> Result<Json<ListMatchesResponse>, StatusCode> {
let requested_count = std::cmp::min(
params.count.unwrap_or(DEFAULT_NUM_RETURNED_MATCHES),
MAX_NUM_RETURNED_MATCHES,
) as i64;
);
let matches = match params.bot {
// fetch one additional record to check whether a next page exists
let count = (requested_count + 1) as i64;
let matches_result = match params.bot {
Some(bot_name) => {
let bot = db::bots::find_bot_by_name(&bot_name, &conn)
.map_err(|_| StatusCode::BAD_REQUEST)?;
@ -62,9 +71,23 @@ pub async fn list_recent_matches(
None => matches::list_public_matches(count, params.before, params.after, &conn),
};
matches
.map_err(|_| StatusCode::BAD_REQUEST)
.map(|matches| Json(matches.into_iter().map(match_data_to_api).collect()))
let mut matches = matches_result.map_err(|_| StatusCode::BAD_REQUEST)?;
let mut has_next = false;
if matches.len() > requested_count {
has_next = true;
matches.truncate(requested_count);
}
let api_matches = matches
.into_iter()
.map(match_data_to_api)
.collect();
Ok(Json(ListMatchesResponse {
matches: api_matches,
has_next,
}))
}
pub fn match_data_to_api(data: matches::FullMatchData) -> ApiMatch {