style: apply cargo fmt to entire codebase

Standardize code formatting across all 173 Rust source files
using rustfmt. No functional changes - purely cosmetic.

This establishes a consistent code style baseline for the
project going forward.
This commit is contained in:
Dionisio
2026-02-14 01:29:34 +01:00
parent 67137a3ef2
commit 4c98c5a657
173 changed files with 23368 additions and 17590 deletions
+441 -428
View File
@@ -1,428 +1,441 @@
use axum::{
extract::{Path, State, Multipart},
http::{StatusCode, header, Response},
response::IntoResponse,
body::Body,
};
use bytes::Bytes;
use serde::Serialize;
use crate::common::di::AppState;
use crate::application::ports::dedup_ports::DedupResultDto;
/// Global application state for dependency injection
type GlobalState = AppState;
/// Response for hash check endpoint
#[derive(Debug, Serialize)]
pub struct HashCheckResponse {
/// Whether a blob with this hash already exists
pub exists: bool,
/// The SHA-256 hash that was checked
pub hash: String,
/// If exists, the size of the existing blob
#[serde(skip_serializing_if = "Option::is_none")]
pub existing_size: Option<u64>,
/// If exists, the number of references to this blob
#[serde(skip_serializing_if = "Option::is_none")]
pub ref_count: Option<u32>,
}
/// Response for upload with dedup endpoint
#[derive(Debug, Serialize)]
pub struct DedupUploadResponse {
/// Whether this was a new file or an existing one
pub is_new: bool,
/// The SHA-256 hash of the content
pub hash: String,
/// The size of the content in bytes
pub size: u64,
/// Bytes saved by deduplication (0 if new file)
pub bytes_saved: u64,
/// Current reference count for this blob
pub ref_count: u32,
}
/// Response for dedup stats endpoint
#[derive(Debug, Serialize)]
pub struct StatsResponse {
/// Total number of unique blobs stored
pub unique_blobs: u64,
/// Total number of references (files pointing to blobs)
pub total_references: u64,
/// Total bytes saved by deduplication
pub bytes_saved: u64,
/// Total logical bytes (what users think they have)
pub total_logical_bytes: u64,
/// Total physical bytes (actual disk usage)
pub total_physical_bytes: u64,
/// Deduplication ratio (logical / physical)
pub dedup_ratio: f64,
/// Percentage of storage saved
pub savings_percentage: f64,
}
/// Handler for deduplication-related endpoints
///
/// Provides endpoints for:
/// - Checking if content already exists (by hash)
/// - Uploading files with automatic deduplication
/// - Getting deduplication statistics
pub struct DedupHandler;
impl DedupHandler {
/// Check if a blob with the given hash already exists
///
/// This endpoint allows clients to check if uploading a file is necessary
/// by pre-computing the hash client-side and checking against the server.
///
/// GET /api/dedup/check/{hash}
pub async fn check_hash(
State(state): State<GlobalState>,
Path(hash): Path<String>,
) -> impl IntoResponse {
let dedup = &state.core.dedup_service;
// Validate hash format (SHA-256 = 64 hex chars)
if hash.len() != 64 || !hash.chars().all(|c| c.is_ascii_hexdigit()) {
return Response::builder()
.status(StatusCode::BAD_REQUEST)
.header(header::CONTENT_TYPE, "application/json")
.body(Body::from(r#"{"error": "Invalid hash format. Expected SHA-256 (64 hex characters)"}"#))
.unwrap()
.into_response();
}
match dedup.get_blob_metadata(&hash).await {
Some(metadata) => {
let response = HashCheckResponse {
exists: true,
hash,
existing_size: Some(metadata.size),
ref_count: Some(metadata.ref_count),
};
Response::builder()
.status(StatusCode::OK)
.header(header::CONTENT_TYPE, "application/json")
.body(Body::from(serde_json::to_string(&response).unwrap()))
.unwrap()
.into_response()
}
None => {
let response = HashCheckResponse {
exists: false,
hash,
existing_size: None,
ref_count: None,
};
Response::builder()
.status(StatusCode::OK)
.header(header::CONTENT_TYPE, "application/json")
.body(Body::from(serde_json::to_string(&response).unwrap()))
.unwrap()
.into_response()
}
}
}
/// Upload content with automatic deduplication
///
/// This endpoint calculates the SHA-256 hash of the uploaded content
/// and either creates a new blob or increments the reference count
/// of an existing blob.
///
/// POST /api/dedup/upload
///
/// Returns information about whether the content was new or deduplicated.
pub async fn upload_with_dedup(
State(state): State<GlobalState>,
mut multipart: Multipart,
) -> impl IntoResponse {
let dedup = &state.core.dedup_service;
// Process multipart form
while let Some(field) = multipart.next_field().await.unwrap_or(None) {
let name = field.name().unwrap_or("").to_string();
if name == "file" {
let content_type = field.content_type()
.unwrap_or("application/octet-stream")
.to_string();
// Collect all chunks
let mut chunks: Vec<Bytes> = Vec::new();
let mut total_size: usize = 0;
let mut field = field;
while let Ok(Some(chunk)) = field.chunk().await {
total_size += chunk.len();
chunks.push(chunk);
}
if chunks.is_empty() {
return Response::builder()
.status(StatusCode::BAD_REQUEST)
.header(header::CONTENT_TYPE, "application/json")
.body(Body::from(r#"{"error": "Empty file not allowed"}"#))
.unwrap()
.into_response();
}
// Combine chunks
let data: Vec<u8> = if chunks.len() == 1 {
chunks.into_iter().next().unwrap().to_vec()
} else {
let mut combined = Vec::with_capacity(total_size);
for chunk in chunks {
combined.extend_from_slice(&chunk);
}
combined
};
// Store with deduplication
match dedup.store_bytes(&data, Some(content_type)).await {
Ok(result) => {
let (is_new, bytes_saved) = match &result {
DedupResultDto::NewBlob { .. } => (true, 0),
DedupResultDto::ExistingBlob { saved_bytes, .. } => (false, *saved_bytes),
};
let metadata = dedup.get_blob_metadata(result.hash()).await;
let response = DedupUploadResponse {
is_new,
hash: result.hash().to_string(),
size: result.size(),
bytes_saved,
ref_count: metadata.map(|m| m.ref_count).unwrap_or(1),
};
tracing::info!(
"🔗 Dedup upload: hash={}, new={}, saved={}",
result.hash(),
is_new,
bytes_saved
);
return Response::builder()
.status(if is_new { StatusCode::CREATED } else { StatusCode::OK })
.header(header::CONTENT_TYPE, "application/json")
.body(Body::from(serde_json::to_string(&response).unwrap()))
.unwrap()
.into_response();
}
Err(e) => {
tracing::error!("❌ Dedup upload failed: {}", e);
return Response::builder()
.status(StatusCode::INTERNAL_SERVER_ERROR)
.header(header::CONTENT_TYPE, "application/json")
.body(Body::from(format!(r#"{{"error": "Upload failed: {}"}}"#, e)))
.unwrap()
.into_response();
}
}
}
}
Response::builder()
.status(StatusCode::BAD_REQUEST)
.header(header::CONTENT_TYPE, "application/json")
.body(Body::from(r#"{"error": "No file field found in multipart form"}"#))
.unwrap()
.into_response()
}
/// Get deduplication statistics
///
/// GET /api/dedup/stats
///
/// Returns comprehensive statistics about the deduplication system including:
/// - Number of unique blobs
/// - Total references
/// - Bytes saved
/// - Deduplication ratio
pub async fn get_stats(
State(state): State<GlobalState>,
) -> impl IntoResponse {
let dedup = &state.core.dedup_service;
let stats = dedup.get_stats().await;
// Calculate savings percentage
let savings_pct = if stats.total_bytes_referenced > 0 {
(stats.bytes_saved as f64 / stats.total_bytes_referenced as f64) * 100.0
} else {
0.0
};
let response = StatsResponse {
unique_blobs: stats.total_blobs,
total_references: stats.dedup_hits + stats.total_blobs, // Approximation
bytes_saved: stats.bytes_saved,
total_logical_bytes: stats.total_bytes_referenced,
total_physical_bytes: stats.total_bytes_stored,
dedup_ratio: stats.dedup_ratio,
savings_percentage: savings_pct,
};
Response::builder()
.status(StatusCode::OK)
.header(header::CONTENT_TYPE, "application/json")
.body(Body::from(serde_json::to_string(&response).unwrap()))
.unwrap()
.into_response()
}
/// Retrieve content by hash
///
/// GET /api/dedup/blob/{hash}
///
/// Returns the raw content of a blob identified by its SHA-256 hash.
/// Useful for retrieving deduplicated content.
pub async fn get_blob(
State(state): State<GlobalState>,
Path(hash): Path<String>,
) -> impl IntoResponse {
let dedup = &state.core.dedup_service;
// Validate hash format
if hash.len() != 64 || !hash.chars().all(|c| c.is_ascii_hexdigit()) {
return Response::builder()
.status(StatusCode::BAD_REQUEST)
.header(header::CONTENT_TYPE, "application/json")
.body(Body::from(r#"{"error": "Invalid hash format"}"#))
.unwrap()
.into_response();
}
// Get metadata first for content-type
let metadata = dedup.get_blob_metadata(&hash).await;
let content_type = metadata
.as_ref()
.and_then(|m| m.content_type.clone())
.unwrap_or_else(|| "application/octet-stream".to_string());
match dedup.read_blob_bytes(&hash).await {
Ok(content) => {
Response::builder()
.status(StatusCode::OK)
.header(header::CONTENT_TYPE, content_type)
.header(header::CONTENT_LENGTH, content.len().to_string())
.header("X-Dedup-Hash", &hash)
.body(Body::from(content))
.unwrap()
.into_response()
}
Err(_) => {
Response::builder()
.status(StatusCode::NOT_FOUND)
.header(header::CONTENT_TYPE, "application/json")
.body(Body::from(r#"{"error": "Blob not found"}"#))
.unwrap()
.into_response()
}
}
}
/// Remove a reference to a blob
///
/// DELETE /api/dedup/blob/{hash}
///
/// Decrements the reference count for a blob. If the reference count
/// reaches zero, the blob is deleted from storage.
pub async fn remove_reference(
State(state): State<GlobalState>,
Path(hash): Path<String>,
) -> impl IntoResponse {
let dedup = &state.core.dedup_service;
// Validate hash format
if hash.len() != 64 || !hash.chars().all(|c| c.is_ascii_hexdigit()) {
return Response::builder()
.status(StatusCode::BAD_REQUEST)
.header(header::CONTENT_TYPE, "application/json")
.body(Body::from(r#"{"error": "Invalid hash format"}"#))
.unwrap()
.into_response();
}
match dedup.remove_reference(&hash).await {
Ok(deleted) => {
let message = if deleted {
format!(r#"{{"success": true, "deleted": true, "message": "Blob {} was deleted (ref_count reached 0)"}}"#, hash)
} else {
format!(r#"{{"success": true, "deleted": false, "message": "Reference removed from blob {}"}}"#, hash)
};
Response::builder()
.status(StatusCode::OK)
.header(header::CONTENT_TYPE, "application/json")
.body(Body::from(message))
.unwrap()
.into_response()
}
Err(e) => {
Response::builder()
.status(StatusCode::INTERNAL_SERVER_ERROR)
.header(header::CONTENT_TYPE, "application/json")
.body(Body::from(format!(r#"{{"error": "{}"}}"#, e)))
.unwrap()
.into_response()
}
}
}
/// Force recalculation of statistics from disk
///
/// POST /api/dedup/recalculate
///
/// Verifies integrity and returns current statistics.
/// Useful for health checks and auditing.
pub async fn recalculate_stats(
State(state): State<GlobalState>,
) -> impl IntoResponse {
let dedup = &state.core.dedup_service;
// Verify integrity first
match dedup.verify_integrity().await {
Ok(issues) => {
if !issues.is_empty() {
tracing::warn!("Dedup integrity issues found: {:?}", issues);
}
}
Err(e) => {
return Response::builder()
.status(StatusCode::INTERNAL_SERVER_ERROR)
.header(header::CONTENT_TYPE, "application/json")
.body(Body::from(format!(r#"{{"error": "Verification failed: {}"}}"#, e)))
.unwrap()
.into_response();
}
}
let stats = dedup.get_stats().await;
// Calculate savings percentage
let savings_pct = if stats.total_bytes_referenced > 0 {
(stats.bytes_saved as f64 / stats.total_bytes_referenced as f64) * 100.0
} else {
0.0
};
let response = StatsResponse {
unique_blobs: stats.total_blobs,
total_references: stats.dedup_hits + stats.total_blobs,
bytes_saved: stats.bytes_saved,
total_logical_bytes: stats.total_bytes_referenced,
total_physical_bytes: stats.total_bytes_stored,
dedup_ratio: stats.dedup_ratio,
savings_percentage: savings_pct,
};
Response::builder()
.status(StatusCode::OK)
.header(header::CONTENT_TYPE, "application/json")
.body(Body::from(serde_json::to_string(&response).unwrap()))
.unwrap()
.into_response()
}
}
use axum::{
body::Body,
extract::{Multipart, Path, State},
http::{Response, StatusCode, header},
response::IntoResponse,
};
use bytes::Bytes;
use serde::Serialize;
use crate::application::ports::dedup_ports::DedupResultDto;
use crate::common::di::AppState;
/// Global application state for dependency injection
type GlobalState = AppState;
/// Response for hash check endpoint
#[derive(Debug, Serialize)]
pub struct HashCheckResponse {
/// Whether a blob with this hash already exists
pub exists: bool,
/// The SHA-256 hash that was checked
pub hash: String,
/// If exists, the size of the existing blob
#[serde(skip_serializing_if = "Option::is_none")]
pub existing_size: Option<u64>,
/// If exists, the number of references to this blob
#[serde(skip_serializing_if = "Option::is_none")]
pub ref_count: Option<u32>,
}
/// Response for upload with dedup endpoint
#[derive(Debug, Serialize)]
pub struct DedupUploadResponse {
/// Whether this was a new file or an existing one
pub is_new: bool,
/// The SHA-256 hash of the content
pub hash: String,
/// The size of the content in bytes
pub size: u64,
/// Bytes saved by deduplication (0 if new file)
pub bytes_saved: u64,
/// Current reference count for this blob
pub ref_count: u32,
}
/// Response for dedup stats endpoint
#[derive(Debug, Serialize)]
pub struct StatsResponse {
/// Total number of unique blobs stored
pub unique_blobs: u64,
/// Total number of references (files pointing to blobs)
pub total_references: u64,
/// Total bytes saved by deduplication
pub bytes_saved: u64,
/// Total logical bytes (what users think they have)
pub total_logical_bytes: u64,
/// Total physical bytes (actual disk usage)
pub total_physical_bytes: u64,
/// Deduplication ratio (logical / physical)
pub dedup_ratio: f64,
/// Percentage of storage saved
pub savings_percentage: f64,
}
/// Handler for deduplication-related endpoints
///
/// Provides endpoints for:
/// - Checking if content already exists (by hash)
/// - Uploading files with automatic deduplication
/// - Getting deduplication statistics
pub struct DedupHandler;
impl DedupHandler {
/// Check if a blob with the given hash already exists
///
/// This endpoint allows clients to check if uploading a file is necessary
/// by pre-computing the hash client-side and checking against the server.
///
/// GET /api/dedup/check/{hash}
pub async fn check_hash(
State(state): State<GlobalState>,
Path(hash): Path<String>,
) -> impl IntoResponse {
let dedup = &state.core.dedup_service;
// Validate hash format (SHA-256 = 64 hex chars)
if hash.len() != 64 || !hash.chars().all(|c| c.is_ascii_hexdigit()) {
return Response::builder()
.status(StatusCode::BAD_REQUEST)
.header(header::CONTENT_TYPE, "application/json")
.body(Body::from(
r#"{"error": "Invalid hash format. Expected SHA-256 (64 hex characters)"}"#,
))
.unwrap()
.into_response();
}
match dedup.get_blob_metadata(&hash).await {
Some(metadata) => {
let response = HashCheckResponse {
exists: true,
hash,
existing_size: Some(metadata.size),
ref_count: Some(metadata.ref_count),
};
Response::builder()
.status(StatusCode::OK)
.header(header::CONTENT_TYPE, "application/json")
.body(Body::from(serde_json::to_string(&response).unwrap()))
.unwrap()
.into_response()
}
None => {
let response = HashCheckResponse {
exists: false,
hash,
existing_size: None,
ref_count: None,
};
Response::builder()
.status(StatusCode::OK)
.header(header::CONTENT_TYPE, "application/json")
.body(Body::from(serde_json::to_string(&response).unwrap()))
.unwrap()
.into_response()
}
}
}
/// Upload content with automatic deduplication
///
/// This endpoint calculates the SHA-256 hash of the uploaded content
/// and either creates a new blob or increments the reference count
/// of an existing blob.
///
/// POST /api/dedup/upload
///
/// Returns information about whether the content was new or deduplicated.
pub async fn upload_with_dedup(
State(state): State<GlobalState>,
mut multipart: Multipart,
) -> impl IntoResponse {
let dedup = &state.core.dedup_service;
// Process multipart form
while let Some(field) = multipart.next_field().await.unwrap_or(None) {
let name = field.name().unwrap_or("").to_string();
if name == "file" {
let content_type = field
.content_type()
.unwrap_or("application/octet-stream")
.to_string();
// Collect all chunks
let mut chunks: Vec<Bytes> = Vec::new();
let mut total_size: usize = 0;
let mut field = field;
while let Ok(Some(chunk)) = field.chunk().await {
total_size += chunk.len();
chunks.push(chunk);
}
if chunks.is_empty() {
return Response::builder()
.status(StatusCode::BAD_REQUEST)
.header(header::CONTENT_TYPE, "application/json")
.body(Body::from(r#"{"error": "Empty file not allowed"}"#))
.unwrap()
.into_response();
}
// Combine chunks
let data: Vec<u8> = if chunks.len() == 1 {
chunks.into_iter().next().unwrap().to_vec()
} else {
let mut combined = Vec::with_capacity(total_size);
for chunk in chunks {
combined.extend_from_slice(&chunk);
}
combined
};
// Store with deduplication
match dedup.store_bytes(&data, Some(content_type)).await {
Ok(result) => {
let (is_new, bytes_saved) = match &result {
DedupResultDto::NewBlob { .. } => (true, 0),
DedupResultDto::ExistingBlob { saved_bytes, .. } => {
(false, *saved_bytes)
}
};
let metadata = dedup.get_blob_metadata(result.hash()).await;
let response = DedupUploadResponse {
is_new,
hash: result.hash().to_string(),
size: result.size(),
bytes_saved,
ref_count: metadata.map(|m| m.ref_count).unwrap_or(1),
};
tracing::info!(
"🔗 Dedup upload: hash={}, new={}, saved={}",
result.hash(),
is_new,
bytes_saved
);
return Response::builder()
.status(if is_new {
StatusCode::CREATED
} else {
StatusCode::OK
})
.header(header::CONTENT_TYPE, "application/json")
.body(Body::from(serde_json::to_string(&response).unwrap()))
.unwrap()
.into_response();
}
Err(e) => {
tracing::error!("❌ Dedup upload failed: {}", e);
return Response::builder()
.status(StatusCode::INTERNAL_SERVER_ERROR)
.header(header::CONTENT_TYPE, "application/json")
.body(Body::from(format!(
r#"{{"error": "Upload failed: {}"}}"#,
e
)))
.unwrap()
.into_response();
}
}
}
}
Response::builder()
.status(StatusCode::BAD_REQUEST)
.header(header::CONTENT_TYPE, "application/json")
.body(Body::from(
r#"{"error": "No file field found in multipart form"}"#,
))
.unwrap()
.into_response()
}
/// Get deduplication statistics
///
/// GET /api/dedup/stats
///
/// Returns comprehensive statistics about the deduplication system including:
/// - Number of unique blobs
/// - Total references
/// - Bytes saved
/// - Deduplication ratio
pub async fn get_stats(State(state): State<GlobalState>) -> impl IntoResponse {
let dedup = &state.core.dedup_service;
let stats = dedup.get_stats().await;
// Calculate savings percentage
let savings_pct = if stats.total_bytes_referenced > 0 {
(stats.bytes_saved as f64 / stats.total_bytes_referenced as f64) * 100.0
} else {
0.0
};
let response = StatsResponse {
unique_blobs: stats.total_blobs,
total_references: stats.dedup_hits + stats.total_blobs, // Approximation
bytes_saved: stats.bytes_saved,
total_logical_bytes: stats.total_bytes_referenced,
total_physical_bytes: stats.total_bytes_stored,
dedup_ratio: stats.dedup_ratio,
savings_percentage: savings_pct,
};
Response::builder()
.status(StatusCode::OK)
.header(header::CONTENT_TYPE, "application/json")
.body(Body::from(serde_json::to_string(&response).unwrap()))
.unwrap()
.into_response()
}
/// Retrieve content by hash
///
/// GET /api/dedup/blob/{hash}
///
/// Returns the raw content of a blob identified by its SHA-256 hash.
/// Useful for retrieving deduplicated content.
pub async fn get_blob(
State(state): State<GlobalState>,
Path(hash): Path<String>,
) -> impl IntoResponse {
let dedup = &state.core.dedup_service;
// Validate hash format
if hash.len() != 64 || !hash.chars().all(|c| c.is_ascii_hexdigit()) {
return Response::builder()
.status(StatusCode::BAD_REQUEST)
.header(header::CONTENT_TYPE, "application/json")
.body(Body::from(r#"{"error": "Invalid hash format"}"#))
.unwrap()
.into_response();
}
// Get metadata first for content-type
let metadata = dedup.get_blob_metadata(&hash).await;
let content_type = metadata
.as_ref()
.and_then(|m| m.content_type.clone())
.unwrap_or_else(|| "application/octet-stream".to_string());
match dedup.read_blob_bytes(&hash).await {
Ok(content) => Response::builder()
.status(StatusCode::OK)
.header(header::CONTENT_TYPE, content_type)
.header(header::CONTENT_LENGTH, content.len().to_string())
.header("X-Dedup-Hash", &hash)
.body(Body::from(content))
.unwrap()
.into_response(),
Err(_) => Response::builder()
.status(StatusCode::NOT_FOUND)
.header(header::CONTENT_TYPE, "application/json")
.body(Body::from(r#"{"error": "Blob not found"}"#))
.unwrap()
.into_response(),
}
}
/// Remove a reference to a blob
///
/// DELETE /api/dedup/blob/{hash}
///
/// Decrements the reference count for a blob. If the reference count
/// reaches zero, the blob is deleted from storage.
pub async fn remove_reference(
State(state): State<GlobalState>,
Path(hash): Path<String>,
) -> impl IntoResponse {
let dedup = &state.core.dedup_service;
// Validate hash format
if hash.len() != 64 || !hash.chars().all(|c| c.is_ascii_hexdigit()) {
return Response::builder()
.status(StatusCode::BAD_REQUEST)
.header(header::CONTENT_TYPE, "application/json")
.body(Body::from(r#"{"error": "Invalid hash format"}"#))
.unwrap()
.into_response();
}
match dedup.remove_reference(&hash).await {
Ok(deleted) => {
let message = if deleted {
format!(
r#"{{"success": true, "deleted": true, "message": "Blob {} was deleted (ref_count reached 0)"}}"#,
hash
)
} else {
format!(
r#"{{"success": true, "deleted": false, "message": "Reference removed from blob {}"}}"#,
hash
)
};
Response::builder()
.status(StatusCode::OK)
.header(header::CONTENT_TYPE, "application/json")
.body(Body::from(message))
.unwrap()
.into_response()
}
Err(e) => Response::builder()
.status(StatusCode::INTERNAL_SERVER_ERROR)
.header(header::CONTENT_TYPE, "application/json")
.body(Body::from(format!(r#"{{"error": "{}"}}"#, e)))
.unwrap()
.into_response(),
}
}
/// Force recalculation of statistics from disk
///
/// POST /api/dedup/recalculate
///
/// Verifies integrity and returns current statistics.
/// Useful for health checks and auditing.
pub async fn recalculate_stats(State(state): State<GlobalState>) -> impl IntoResponse {
let dedup = &state.core.dedup_service;
// Verify integrity first
match dedup.verify_integrity().await {
Ok(issues) => {
if !issues.is_empty() {
tracing::warn!("Dedup integrity issues found: {:?}", issues);
}
}
Err(e) => {
return Response::builder()
.status(StatusCode::INTERNAL_SERVER_ERROR)
.header(header::CONTENT_TYPE, "application/json")
.body(Body::from(format!(
r#"{{"error": "Verification failed: {}"}}"#,
e
)))
.unwrap()
.into_response();
}
}
let stats = dedup.get_stats().await;
// Calculate savings percentage
let savings_pct = if stats.total_bytes_referenced > 0 {
(stats.bytes_saved as f64 / stats.total_bytes_referenced as f64) * 100.0
} else {
0.0
};
let response = StatsResponse {
unique_blobs: stats.total_blobs,
total_references: stats.dedup_hits + stats.total_blobs,
bytes_saved: stats.bytes_saved,
total_logical_bytes: stats.total_bytes_referenced,
total_physical_bytes: stats.total_bytes_stored,
dedup_ratio: stats.dedup_ratio,
savings_percentage: savings_pct,
};
Response::builder()
.status(StatusCode::OK)
.header(header::CONTENT_TYPE, "application/json")
.body(Body::from(serde_json::to_string(&response).unwrap()))
.unwrap()
.into_response()
}
}