systemprompt-agent 0.58.0

Agent-to-Agent (A2A) protocol for systemprompt.io AI governance: streaming, JSON-RPC models, task lifecycle, .well-known discovery, and governed agent orchestration.
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//! Artifact part-row persistence.
//!
//! Copyright (c) systemprompt.io — Business Source License 1.1.
//! See <https://systemprompt.io> for licensing details.

use crate::models::ArtifactPartRow;
use crate::models::a2a::Part;
use crate::repository::parts::parts_from_rows;
use sqlx::PgPool;
use systemprompt_identifiers::{ArtifactId, ContextId};
use systemprompt_traits::RepositoryError;

pub async fn get_artifact_parts(
    pool: &PgPool,
    artifact_id: &ArtifactId,
    context_id: &ContextId,
) -> Result<Vec<Part>, RepositoryError> {
    let artifact_id_str = artifact_id.as_str();
    let context_id_str = context_id.as_str();
    let part_rows = sqlx::query_as!(
        ArtifactPartRow,
        r#"SELECT
            id as "id!",
            artifact_id as "artifact_id!: ArtifactId",
            context_id as "context_id!: ContextId",
            part_kind as "part_kind!",
            sequence_number as "sequence_number!",
            text_content,
            file_name,
            file_mime_type,
            file_uri,
            file_bytes,
            data_content,
            metadata
        FROM artifact_parts
        WHERE artifact_id = $1 AND context_id = $2
        ORDER BY sequence_number ASC"#,
        artifact_id_str,
        context_id_str
    )
    .fetch_all(pool)
    .await
    .map_err(RepositoryError::database)?;

    parts_from_rows(&part_rows)
}

pub async fn persist_artifact_part(
    pool: &PgPool,
    part: &Part,
    artifact_id: &ArtifactId,
    context_id: &ContextId,
    sequence_number: i32,
) -> Result<(), RepositoryError> {
    let artifact_id_str = artifact_id.as_str();
    let context_id_str = context_id.as_str();
    match part {
        Part::Text(text_part) => {
            sqlx::query!(
                r#"INSERT INTO artifact_parts (artifact_id, context_id, part_kind, sequence_number, text_content)
                VALUES ($1, $2, 'text', $3, $4)"#,
                artifact_id_str,
                context_id_str,
                sequence_number,
                text_part.text
            )
            .execute(pool)
            .await
            .map_err(RepositoryError::database)?;
        },
        Part::File(file_part) => {
            sqlx::query!(
                r#"INSERT INTO artifact_parts (artifact_id, context_id, part_kind, sequence_number, file_name, file_mime_type, file_uri, file_bytes)
                VALUES ($1, $2, 'file', $3, $4, $5, $6, $7)"#,
                artifact_id_str,
                context_id_str,
                sequence_number,
                file_part.file.name,
                file_part.file.mime_type,
                file_part.file.url.as_deref(),
                file_part.file.bytes.as_deref()
            )
            .execute(pool)
            .await
            .map_err(RepositoryError::database)?;
        },
        Part::Data(data_part) => {
            let data_json =
                serde_json::to_value(&data_part.data).map_err(RepositoryError::Serialization)?;
            sqlx::query!(
                r#"INSERT INTO artifact_parts (artifact_id, context_id, part_kind, sequence_number, data_content)
                VALUES ($1, $2, 'data', $3, $4)"#,
                artifact_id_str,
                context_id_str,
                sequence_number,
                data_json
            )
            .execute(pool)
            .await
            .map_err(RepositoryError::database)?;
        },
    }

    Ok(())
}