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use std::{error::Error as StdError, sync::Arc};
use async_trait::async_trait;
use futures::TryStreamExt;
use mongodb::{
bson::{self, doc, Bson, DateTime, Document},
options::FindOptions,
Cursor as MongoDbCursor, Database,
};
use serde::{Deserialize, Serialize};
use super::super::coremgr_opdata::{
CoremgrOpData, CoremgrOpDataModel, Cursor, ListOptions, ListQueryCond, QueryCond, SortKey,
EXPIRES,
/// Model instance.
pub struct Model {
/// The associated database connection.
conn: Arc<Database>,
}
/// Cursor instance.
struct DbCursor {
/// The associated collection cursor.
cursor: MongoDbCursor<Schema>,
/// (Useless) only for Cursor trait implementation.
offset: u64,
/// MongoDB schema.
#[derive(Deserialize, Serialize)]
struct Schema {
#[serde(rename = "dataId")]
pub data_id: String,
#[serde(rename = "reqTime")]
pub req_time: DateTime,
#[serde(rename = "resTime")]
pub res_time: DateTime,
#[serde(rename = "latencyMs")]
pub latency_ms: i64,
pub status: i32,
#[serde(rename = "sourceIp")]
pub source_ip: String,
pub method: String,
pub path: String,
#[serde(skip_serializing_if = "Option::is_none")]
pub body: Option<Document>,
#[serde(rename = "userId")]
pub user_id: String,
#[serde(rename = "clientId")]
pub client_id: String,
#[serde(rename = "errCode", skip_serializing_if = "Option::is_none")]
pub err_code: Option<String>,
#[serde(rename = "errMessage", skip_serializing_if = "Option::is_none")]
pub err_message: Option<String>,
const COL_NAME: &'static str = "coremgrOpData";
impl Model {
/// To create the model instance with a database connection.
pub async fn new(conn: Arc<Database>) -> Result<Self, Box<dyn StdError>> {
let model = Model { conn };
model.init().await?;
Ok(model)
#[async_trait]
impl CoremgrOpDataModel for Model {
async fn init(&self) -> Result<(), Box<dyn StdError>> {
let indexes = vec![
doc! {"name": "dataId_1", "key": {"dataId": 1}, "unique": true},
doc! {"name": "userId_1", "key": {"userId": 1}},
doc! {"name": "clientId_1", "key": {"clientId": 1}},
doc! {"name": "reqTime_1", "key": {"reqTime": 1}, "expireAfterSeconds": EXPIRES},
doc! {"name": "resTime_1", "key": {"resTime": 1}},
doc! {"name": "latencyMs_1", "key": {"latencyMs": 1}},
];
let command = doc! {
"createIndexes": COL_NAME,
"indexes": indexes,
self.conn.run_command(command, None).await?;
Ok(())
async fn count(&self, cond: &ListQueryCond) -> Result<u64, Box<dyn StdError>> {
let filter = get_list_query_filter(cond);
let count = self
.conn
.collection::<Schema>(COL_NAME)
.count_documents(filter, None)
.await?;
Ok(count)
async fn list(
&self,
opts: &ListOptions,
cursor: Option<Box<dyn Cursor>>,
) -> Result<(Vec<CoremgrOpData>, Option<Box<dyn Cursor>>), Box<dyn StdError>> {
let mut cursor = match cursor {
None => {
let filter = get_list_query_filter(opts.cond);
let options = get_find_options(opts);
Box::new(DbCursor::new(
self.conn
.find(filter, options)
.await?,
))
Some(cursor) => cursor,
let mut count: u64 = 0;
let mut list = Vec::new();
while let Some(item) = cursor.try_next().await? {
list.push(item);
if let Some(cursor_max) = opts.cursor_max {
count += 1;
if count >= cursor_max {
return Ok((list, Some(cursor)));
Ok((list, None))
async fn add(&self, data: &CoremgrOpData) -> Result<(), Box<dyn StdError>> {
let item = Schema {
data_id: data.data_id.clone(),
req_time: data.req_time.into(),
res_time: data.res_time.into(),
latency_ms: data.latency_ms,
status: data.status,
source_ip: data.source_ip.clone(),
method: data.method.clone(),
path: data.path.clone(),
body: match data.body.as_ref() {
None => None,
Some(body) => Some(bson::to_document(body)?),
},
user_id: data.user_id.clone(),
client_id: data.client_id.clone(),
err_code: data.err_code.clone(),
err_message: data.err_message.clone(),
.insert_one(item, None)
async fn del(&self, cond: &QueryCond) -> Result<(), Box<dyn StdError>> {
let filter = get_query_filter(cond);
.delete_many(filter, None)
impl DbCursor {
/// To create the cursor instance with a collection cursor.
pub fn new(cursor: MongoDbCursor<Schema>) -> Self {
DbCursor { cursor, offset: 0 }
impl Cursor for DbCursor {
async fn try_next(&mut self) -> Result<Option<CoremgrOpData>, Box<dyn StdError>> {
if let Some(item) = self.cursor.try_next().await? {
self.offset += 1;
return Ok(Some(CoremgrOpData {
data_id: item.data_id,
req_time: item.req_time.into(),
res_time: item.res_time.into(),
latency_ms: item.latency_ms,
status: item.status,
source_ip: item.source_ip,
method: item.method,
path: item.path,
body: match item.body {
Some(body) => bson::from_document(body)?,
user_id: item.user_id,
client_id: item.client_id,
err_code: item.err_code,
err_message: item.err_message,
}));
Ok(None)
fn offset(&self) -> u64 {
self.offset
/// Transforms query conditions to the MongoDB document.
fn get_query_filter(cond: &QueryCond) -> Document {
let mut filter = Document::new();
if let Some(value) = cond.user_id {
filter.insert("userId", value);
if let Some(value) = cond.client_id {
filter.insert("clientId", value);
let mut time_doc = Document::new();
if let Some(value) = cond.req_gte {
time_doc.insert("$gte", Bson::DateTime(value.into()));
if let Some(value) = cond.req_lte {
time_doc.insert("$lte", Bson::DateTime(value.into()));
if time_doc.len() > 0 {
filter.insert("reqTime", time_doc);
filter
fn get_list_query_filter(cond: &ListQueryCond) -> Document {
time_doc = Document::new();
if let Some(value) = cond.res_gte {
if let Some(value) = cond.res_lte {
filter.insert("resTime", time_doc);
/// Transforms model options to the options.
fn get_find_options(opts: &ListOptions) -> FindOptions {
let mut options = FindOptions::builder().build();
if let Some(offset) = opts.offset {
options.skip = Some(offset);
if let Some(limit) = opts.limit {
if limit > 0 {
options.limit = Some(limit as i64);
if let Some(sort_list) = opts.sort.as_ref() {
if sort_list.len() > 0 {
let mut sort_opts = Document::new();
for cond in sort_list.iter() {
let key = match cond.key {
SortKey::ReqTime => "reqTime",
SortKey::ResTime => "resTime",
SortKey::Latency => "latencyMs",
if cond.asc {
sort_opts.insert(key.to_string(), 1);
} else {
sort_opts.insert(key.to_string(), -1);
options.sort = Some(sort_opts);
options