Add duration to header response.

Add sort_id to processes_table.
Remove postgresql errors from error messages.
Filter "Codigo de Referencia" on the DB side.
Optimize get_random_process_id by using sort_id.

src/database.rs

@@ -18,56 +18,55 @@ pub struct AppState {
 }
 
 pub fn get_random_process_id(db: &DbPool) -> i32 {
-    sql_function!(fn random() -> Text);
+    use diesel::dsl::*;
     let mut conn = db.get().unwrap();
-    processes::table
-        .limit(1)
+    let random_sort_id: i32 = processes::table
+        .select(sql::<diesel::sql_types::Integer>(
+            "CAST(floor(random() * max(sort_id)) + 1 AS INTEGER)",
+        ))
+        .first::<i32>(&mut conn)
+        .expect("fail");
+    let result: i32 = processes::table
+        .filter(processes::sort_id.ge(random_sort_id))
         .select(processes::id)
-        .order(random())
         .first(&mut conn)
-        .expect("fail")
+        .expect("fail");
+    result
 }
 
-pub fn get_full_process(process_id: i32, db: &DbPool) -> Value {
+pub fn get_full_process(process_id: i32, db: &DbPool) -> Result<Value, String> {
     let mut conn = db.get().unwrap();
-
-    let process = processes::table
+    let result = processes::table
         .select(Process::as_select())
         .filter(processes::id.eq(process_id))
-        .first(&mut conn)
-        .expect("fail");
+        .first(&mut conn);
 
-    let mut results: Vec<(String, String)> = ProcessTag::belonging_to(&process)
-        .inner_join(tags::table)
-        .select((tags::title_api, process_tags::contents))
-        .load(&mut conn)
-        .expect("fail");
+    if let Ok(process) = result {
+        let mut results: Vec<(String, String)> = ProcessTag::belonging_to(&process)
+            .inner_join(tags::table)
+            .select((tags::title_api, process_tags::contents))
+            .filter(process_tags::tag_id.ne(1)) // Codigo de Referencia
+            .load(&mut conn)
+            .expect("fail");
+        results.sort_by_key(|(key, _)| key.clone());
 
-    results.sort_by_key(|(key, _)| key.clone());
+        let mut data = json!({
+            "document": {
+                "titulo": process.title,
+            },
+        });
 
-    let mut data = json!({
-        "document": {
-            "titulo": process.title,
-        },
-    });
-
-    if let Some(document) = data.get_mut("document").and_then(Value::as_object_mut) {
-        for (title, contents) in results {
-            if title != "codigo_de_referencia" {
+        if let Some(document) = data.get_mut("document").and_then(Value::as_object_mut) {
+            for (title, contents) in results {
                 document.insert(title, Value::String(contents));
             }
+            document.insert("digital".to_owned(), Value::Bool(process.scan));
         }
-        document.insert("digital".to_owned(), Value::Bool(process.scan));
-    }
 
-    if let Some(object) = data.as_object_mut() {
-        object.insert(
-            "link".to_owned(),
-            Value::String(format!("https://inquisicao.info/view/{process_id}")),
-        );
+        Ok(data)
+    } else {
+        Err("Invalid process id".to_owned())
     }
-
-    data
 }
 
 fn get_total(key: &str, db: &DbPool) -> Result<i64, String> {
@@ -87,22 +86,16 @@ fn get_total(key: &str, db: &DbPool) -> Result<i64, String> {
 
     match result {
         Ok(total) => Ok(total),
-        Err(error) => {
-            // TODO: Dont show PostgreSQL errors
-            Err(error.to_string())
-        }
+        Err(_error) => Err("Not found".to_owned()),
     }
 }
 
 pub fn find_process(key: &str, offset: i64, db: &DbPool) -> Result<Value, String> {
     let ts_config = TsConfigurationByName("SIMPLE");
     let mut conn = db.get().unwrap();
-
     let total_result = get_total(key, db);
-
     match total_result {
-        Ok(total) => {
-            dbg!(&total);
+        Ok(_total) => {
             let result = OffsetDsl::offset(
                 process_tags::table
                     .inner_join(tags::table)
@@ -139,12 +132,9 @@ pub fn find_process(key: &str, offset: i64, db: &DbPool) -> Result<Value, String
             match result {
                 Ok(value) => {
                     let (process_id, _title_api, _headline, _rank) = value;
-                    Ok(get_full_process(process_id, db))
-                }
-                Err(error) => {
-                    // TODO: Dont show PostgreSQL errors
-                    Err(error.to_string())
+                    Ok(get_full_process(process_id, db).unwrap())
                 }
+                Err(_error) => Err("Not found".to_owned()),
             }
         }
         Err(error) => Err(error),

src/handlers.rs

@@ -1,7 +1,8 @@
+use crate::database::{find_process, get_full_process, get_random_process_id, AppState};
 use actix_web::{get, web, HttpResponse};
 use serde_json::json;
 use std::collections::HashMap;
-use crate::database::{AppState, find_process, get_full_process, get_random_process_id};
+use std::time::Instant;
 
 pub fn config(conf: &mut web::ServiceConfig) {
     let scope = web::scope("/api")
@@ -12,9 +13,13 @@ pub fn config(conf: &mut web::ServiceConfig) {
 
 #[get("/degredo")]
 pub async fn get_degredo(data: web::Data<AppState>) -> HttpResponse {
+    let start = Instant::now();
     let id = get_random_process_id(&data.db);
     let data = get_full_process(id, &data.db);
-    HttpResponse::Ok().json(data)
+    let duration = start.elapsed();
+    HttpResponse::Ok()
+        .append_header(("duration", duration.as_millis().to_string()))
+        .json(data)
 }
 
 #[get("/adcautelam")]
@@ -22,6 +27,7 @@ pub async fn get_adcautelam(
     params: web::Query<HashMap<String, String>>,
     data: web::Data<AppState>,
 ) -> HttpResponse {
+    let start = Instant::now();
     let key = match params.get("key") {
         Some(value) if !value.is_empty() => value.as_str(),
         _ => {
@@ -38,9 +44,11 @@ pub async fn get_adcautelam(
     let offset = page - 1;
 
     let result = find_process(key, offset, &data.db);
-
+    let duration = start.elapsed();
     match result {
-        Ok(data) => HttpResponse::Ok().json(data),
+        Ok(data) => HttpResponse::Ok()
+            .append_header(("duration", duration.as_millis().to_string()))
+            .json(data),
         Err(error) => HttpResponse::NotFound().json(error),
     }
 }

src/models.rs

@@ -1,4 +1,4 @@
-use chrono::naive::NaiveDate;
+//use chrono::naive::NaiveDate;
 use diesel::prelude::*;
 
 #[derive(Identifiable, Queryable, Selectable, PartialEq, Debug)]
@@ -8,9 +8,9 @@ pub struct Process {
     pub id: i32,
     pub title: String,
     pub scan: bool,
-    dt_start: Option<NaiveDate>,
-    dt_finish: Option<NaiveDate>,
-    origin: Option<String>,
+    //dt_start: Option<NaiveDate>,
+    //dt_finish: Option<NaiveDate>,
+    //origin: Option<String>,
 }
 
 #[derive(Identifiable, Associations, Queryable, Selectable, Debug)]

src/schema.rs

@@ -20,6 +20,7 @@ diesel::table! {
         dt_start -> Nullable<Date>,
         dt_finish -> Nullable<Date>,
         origin -> Nullable<Varchar>,
+        sort_id -> Int4,
     }
 }