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D5693.1768804990.diff
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D5693.1768804990.diff
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diff --git a/services/blob/src/database.rs b/services/blob/src/database.rs
--- a/services/blob/src/database.rs
+++ b/services/blob/src/database.rs
@@ -1,8 +1,15 @@
-use anyhow::Result;
+use anyhow::{anyhow, Context, Result};
+use aws_sdk_dynamodb::{model::AttributeValue, output::GetItemOutput};
use chrono::{DateTime, Utc};
-use std::sync::Arc;
+use std::{collections::HashMap, sync::Arc};
-use crate::s3::S3Path;
+use crate::{
+ constants::{
+ BLOB_TABLE_BLOB_HASH_FIELD, BLOB_TABLE_CREATED_FIELD, BLOB_TABLE_NAME,
+ BLOB_TABLE_S3_PATH_FIELD,
+ },
+ s3::S3Path,
+};
#[derive(Clone, Debug)]
pub struct BlobItem {
@@ -32,18 +39,87 @@
// Blob item
pub async fn put_blob_item(&self, blob_item: BlobItem) -> Result<()> {
- unimplemented!();
+ let item = HashMap::from([
+ (
+ BLOB_TABLE_BLOB_HASH_FIELD.to_string(),
+ AttributeValue::S(blob_item.blob_hash),
+ ),
+ (
+ BLOB_TABLE_S3_PATH_FIELD.to_string(),
+ AttributeValue::S(blob_item.s3_path.to_full_path()),
+ ),
+ (
+ BLOB_TABLE_CREATED_FIELD.to_string(),
+ AttributeValue::S(blob_item.created.to_rfc3339()),
+ ),
+ ]);
+
+ self
+ .client
+ .put_item()
+ .table_name(BLOB_TABLE_NAME)
+ .set_item(Some(item))
+ .send()
+ .await
+ .context("Failed to put blob item")?;
+
+ Ok(())
}
pub async fn find_blob_item(
&self,
blob_hash: &str,
) -> Result<Option<BlobItem>> {
- unimplemented!();
+ let item_key = HashMap::from([(
+ BLOB_TABLE_BLOB_HASH_FIELD.to_string(),
+ AttributeValue::S(blob_hash.to_string()),
+ )]);
+ match self
+ .client
+ .get_item()
+ .table_name(BLOB_TABLE_NAME)
+ .set_key(Some(item_key))
+ .send()
+ .await
+ .with_context(|| {
+ format!("Failed to find blob item with hash: [{}]", blob_hash)
+ })? {
+ GetItemOutput {
+ item: Some(mut item),
+ ..
+ } => {
+ let blob_hash =
+ parse_string_attribute(item.remove(BLOB_TABLE_BLOB_HASH_FIELD))?;
+ let s3_path =
+ parse_string_attribute(item.remove(BLOB_TABLE_S3_PATH_FIELD))?;
+ let created =
+ parse_datetime_attribute(item.remove(BLOB_TABLE_CREATED_FIELD))?;
+ Ok(Some(BlobItem {
+ blob_hash,
+ s3_path: S3Path::from_full_path(&s3_path)?,
+ created,
+ }))
+ }
+ _ => Ok(None),
+ }
}
pub async fn remove_blob_item(&self, blob_hash: &str) -> Result<()> {
- unimplemented!();
+ self
+ .client
+ .delete_item()
+ .table_name(BLOB_TABLE_NAME)
+ .key(
+ BLOB_TABLE_BLOB_HASH_FIELD,
+ AttributeValue::S(blob_hash.to_string()),
+ )
+ .send()
+ .await
+ .with_context(|| {
+ format!("Failed to remove blob item with hash: [{}]", blob_hash)
+ })?;
+
+ Ok(())
}
// Reverse index item
@@ -73,3 +149,24 @@
unimplemented!();
}
}
+
+fn parse_string_attribute(attribute: Option<AttributeValue>) -> Result<String> {
+ match attribute {
+ Some(AttributeValue::S(str_value)) => Ok(str_value),
+ Some(_) => Err(anyhow!("Incorrect type")),
+ None => Err(anyhow!("Atrribute missing")),
+ }
+}
+
+fn parse_datetime_attribute(
+ attribute: Option<AttributeValue>,
+) -> Result<DateTime<Utc>> {
+ if let Some(AttributeValue::S(datetime)) = &attribute {
+ // parse() accepts a relaxed RFC3339 string
+ datetime
+ .parse()
+ .with_context(|| format!("Invalid RFC 3339 DateTime: {}", datetime))
+ } else {
+ Err(anyhow!("Atrribute missing"))
+ }
+}

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