feat: record and show systemlog, admin delete log

src/api/operation.rs

@@ -2,6 +2,8 @@ use crate::api::{APIError, CurrentUser, PolicyError::*, API, UGC};
 use crate::db_conn::Db;
 use crate::models::*;
 use crate::rds_conn::RdsConn;
+use crate::rds_models::*;
+use chrono::offset::Local;
 use rocket::form::Form;
 use rocket::serde::json::{json, Value};
 
@@ -21,9 +23,11 @@ pub async fn delete(
     rconn: RdsConn,
 ) -> API<Value> {
     let mut p: Post;
+    let mut c: Comment;
+    let author_hash: &str;
     match di.id_type.as_str() {
         "cid" => {
-            let mut c = Comment::get(&db, di.id).await?;
+            c = Comment::get(&db, di.id).await?;
             c.soft_delete(&user, &db).await?;
             p = Post::get(&db, &rconn, c.post_id).await?;
             p.change_n_comments(&db, -1).await?;
@@ -31,16 +35,32 @@ pub async fn delete(
 
             p.refresh_cache(&rconn, false).await;
             p.clear_comments_cache(&rconn).await;
+
+            author_hash = &c.author_hash;
         }
         "pid" => {
             p = Post::get(&db, &rconn, di.id).await?;
             p.soft_delete(&user, &db).await?;
             // 如果是删除，需要也从0号缓存队列中去掉
             p.refresh_cache(&rconn, true).await;
+
+            author_hash = &p.author_hash;
         }
         _ => return Err(APIError::PcError(NotAllowed)),
     }
 
+    if user.is_admin && author_hash != user.namehash {
+        Systemlog {
+            user_hash: user.namehash,
+            action_type: LogType::AdminDelete,
+            target: format!("#{}, {}={}", p.id, di.id_type, di.id),
+            detail: di.note.clone(),
+            time: Local::now(),
+        }
+        .create(&rconn)
+        .await?;
+    }
+
     Ok(json!({
         "code": 0
     }))

src/api/post.rs

@@ -100,7 +100,6 @@ pub async fn ps2outputs(
 
 #[get("/getone?<pid>")]
 pub async fn get_one(pid: i32, user: CurrentUser, db: Db, rconn: RdsConn) -> JsonAPI {
-    // let p = Post::get(&db, pid).await?;
     let p = Post::get(&db, &rconn, pid).await?;
     p.check_permission(&user, "ro")?;
     Ok(json!({

src/api/systemlog.rs

@@ -1,16 +1,26 @@
-use crate::api::{CurrentUser, API};
+use crate::api::{CurrentUser, JsonAPI};
-use crate::db_conn::Db;
 use crate::random_hasher::RandomHasher;
+use crate::rds_conn::RdsConn;
+use crate::rds_models::Systemlog;
 use rocket::serde::json::{json, Value};
 use rocket::State;
 
 #[get("/systemlog")]
-pub async fn get_systemlog(user: CurrentUser, rh: &State<RandomHasher>, db: Db) -> API<Value> {
+pub async fn get_systemlog(user: CurrentUser, rh: &State<RandomHasher>, rconn: RdsConn) -> JsonAPI {
+    let logs = Systemlog::get_list(&rconn, 50).await?;
+
     Ok(json!({
         "tmp_token": rh.get_tmp_token(),
         "salt": look!(rh.salt),
         "start_time": rh.start_time.timestamp(),
         "custom_title": user.custom_title,
-        "data": [],
+        "data": logs.into_iter().map(|log|
+            json!({
+                "type": log.action_type,
+                "user": look!(log.user_hash),
+                "timestamp": log.time.timestamp(),
+                "detail": format!("{}\n{}", &log.target, &log.detail)
+            })
+        ).collect::<Vec<Value>>(),
     }))
 }

src/models.rs

@@ -179,11 +179,9 @@ impl Post {
     }
 
     pub async fn get(db: &Db, rconn: &RdsConn, id: i32) -> QueryResult<Self> {
+        // 注意即使is_deleted也应该缓存和返回
         let mut cacher = PostCache::init(&rconn);
         if let Some(p) = cacher.get(&id).await {
-            if p.is_deleted {
-                return Err(diesel::result::Error::NotFound);
-            }
             Ok(p)
         } else {
             let p = Self::_get(db, id).await?;

src/rds_models.rs

@@ -1,5 +1,11 @@
 use crate::rds_conn::RdsConn;
+use chrono::{offset::Local, DateTime};
 use redis::{AsyncCommands, RedisResult};
+use rocket::serde::json::serde_json;
+use rocket::serde::{Deserialize, Serialize};
+
+const KEY_SYSTEMLOG: &str = "hole_v2:systemlog_list";
+const SYSTEMLOG_MAX_LEN: isize = 1000;
 
 pub struct Attention {
     key: String,
@@ -30,3 +36,45 @@ impl Attention {
         self.rconn.smembers(&self.key).await
     }
 }
+
+#[derive(Serialize, Deserialize, Debug)]
+#[serde(crate = "rocket::serde")]
+pub enum LogType {
+    AdminDelete,
+    Report,
+    Ban
+}
+
+
+#[derive(Serialize, Deserialize, Debug)]
+#[serde(crate = "rocket::serde")]
+pub struct Systemlog {
+    pub user_hash: String,
+    pub action_type: LogType,
+    pub target: String,
+    pub detail: String,
+    pub time: DateTime<Local>,
+}
+
+impl Systemlog {
+    pub async fn create(&self, rconn: &RdsConn) -> RedisResult<()> {
+        let mut rconn = rconn.clone();
+        if rconn.llen::<&str, isize>(KEY_SYSTEMLOG).await? > SYSTEMLOG_MAX_LEN {
+            rconn.ltrim(KEY_SYSTEMLOG, 0, SYSTEMLOG_MAX_LEN - 1).await?;
+        }
+        rconn
+            .lpush(KEY_SYSTEMLOG, serde_json::to_string(&self).unwrap())
+            .await
+    }
+
+    pub async fn get_list(rconn: &RdsConn, limit: isize) -> RedisResult<Vec<Self>> {
+        let rds_result = rconn
+            .clone()
+            .lrange::<&str, Vec<String>>(KEY_SYSTEMLOG, 0, limit)
+            .await?;
+        Ok(rds_result
+            .iter()
+            .map(|s| serde_json::from_str(s).unwrap())
+            .collect())
+    }
+}