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ScenarioStar

mockforge_registry_server::models

Struct ScenarioStar 

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pub struct ScenarioStar;

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impl ScenarioStar

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pub async fn toggle( pool: &Pool<Postgres>, scenario_id: Uuid, user_id: Uuid, ) -> Result<(bool, i64), Error>

Toggle a star for (scenario_id, user_id).

Returns (now_starred, new_count) where now_starred is true when the row was inserted by this call and false when it was removed. The count is authoritative — computed in the same transaction as the insert/delete so it never lies about the state the client just set.

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pub async fn is_starred_by( pool: &Pool<Postgres>, scenario_id: Uuid, user_id: Uuid, ) -> Result<bool, Error>

Whether user_id has starred scenario_id.

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pub async fn count_for_scenario( pool: &Pool<Postgres>, scenario_id: Uuid, ) -> Result<i64, Error>

Count stars for a single scenario.

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pub async fn counts_for_scenarios( pool: &Pool<Postgres>, scenario_ids: &[Uuid], ) -> Result<HashMap<Uuid, i64>, Error>

Batch-count stars for a list of scenarios. Scenarios with zero stars are omitted from the returned map — callers should default to 0.

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