[BE] Detect QR, parse params & get data from DB

backend/src/controller/scans/mod.rs

@@ -1,19 +1,20 @@
-use crate::json_result::JsonResult;
+use crate::{json_result::JsonResult, model::register::Register};
 use printpdf::{Mm, PdfDocument};
 use rocket::{http::Status, serde::json::Json};
-use serde::Serialize;
+use serde::{Deserialize, Serialize};
 use std::{
     f32::consts::E,
     fs::{self, File},
     io::BufWriter,
     path::PathBuf,
+    result,
     time::{SystemTime, UNIX_EPOCH},
 };
 
 const SCAN_PATH: &str = "/srv/srv/shares/eegsac/ESCANEOS/";
 
 /// Represents the result of parsing an eegsac URL
-#[derive(Serialize)]
+#[derive(Serialize, Deserialize)]
 enum ScanInfo {
     /// The url has both DNI & id
     Full(String, i32, String),
@@ -38,6 +39,32 @@ pub async fn detect_scans() -> (Status, Json<JsonResult<Vec<(PathBuf, ScanInfo)>
     (Status::Ok, JsonResult::ok(file_details))
 }
 
+#[options("/scans/convert")]
+pub fn convert_scans_options() -> Status {
+    Status::Ok
+}
+
+#[post("/scans/convert", format = "json", data = "<data>")]
+pub async fn convert_scans(
+    data: Json<JsonResult<Vec<(PathBuf, ScanInfo)>>>,
+) -> (Status, Json<JsonResult<()>>) {
+    let data = data.into_inner();
+    let data = match data {
+        JsonResult::Ok(v) => v,
+        JsonResult::Error(err) => {
+            return (
+                Status::BadRequest,
+                JsonResult::err("Se recibió un error.".into()),
+            )
+        }
+    };
+
+    match convert_scans_from_data(&data).await {
+        Ok(_) => (Status::Ok, JsonResult::ok(())),
+        Err(reason) => (Status::InternalServerError, JsonResult::err(reason)),
+    }
+}
+
 /// Reads the SCAN_PATH directory and returns a list of file paths
 /// that are valid for processing.
 fn get_valid_files() -> Result<Vec<PathBuf>, String> {
@@ -131,7 +158,7 @@ fn get_image_info(path: PathBuf) -> ScanInfo {
     let width = img.width();
     let height = img.height();
 
-    let third_point_height = (height / 3) * 2;
+    let third_point_height = (height / 4) * 3;
     let mid_point_width = width / 2;
     let remaining_height = height - third_point_height;
 
@@ -141,6 +168,11 @@ fn get_image_info(path: PathBuf) -> ScanInfo {
     // get qr from cropped image
     let results = bardecoder::default_decoder().decode(&cropped_img);
 
+    if results.is_empty() {
+        eprintln!("QR not found");
+        return ScanInfo::Error("QR no encontrado.".into());
+    }
+
     let url = match &results[0] {
         Ok(url) => url,
         Err(reason) => {
@@ -201,3 +233,41 @@ fn get_image_info(path: PathBuf) -> ScanInfo {
         }
     }
 }
+
+// TODO: this should return a list of files that succeeded & failed
+async fn convert_scans_from_data(data: &Vec<(PathBuf, ScanInfo)>) -> Result<(), String> {
+    let (ids, dnis) = data.iter().fold(
+        (vec!["-1".to_string()], vec!["''".to_string()]),
+        |mut acc, (_, next)| {
+            match next {
+                ScanInfo::Full(_, id, _) => acc.0.push(id.to_string()),
+                ScanInfo::Partial(dni, _) => acc.1.push(format!("'{}'", dni)),
+                _ => (),
+            };
+
+            acc
+        },
+    );
+
+    let register_id_list = ids.join(",");
+    let person_dni_list = dnis.join("-");
+
+    log::info!("register_id_list: {}", register_id_list);
+    log::info!("person_dni_list: {}", person_dni_list);
+
+    let persons_info = Register::get_course_and_person(register_id_list, person_dni_list).await;
+
+    let persons_info = match persons_info {
+        Ok(v) => v,
+        Err(err) => {
+            eprintln!("Error getting persons info: {:?}", err);
+            return Err("Error obteniendo información de personas.".into());
+        }
+    };
+
+    for e in persons_info {
+        println!("\n{:?}", e);
+    }
+
+    Ok(())
+}

backend/src/main.rs

@@ -72,6 +72,8 @@ async fn rocket() -> _ {
             // Scans routes
             //
             controller::scans::detect_scans,
+            controller::scans::convert_scans_options,
+            controller::scans::convert_scans,
         ],
     )
 }

backend/src/model/register.rs

@@ -1,14 +1,24 @@
 use rocket::form::validate::Contains;
 use serde::{Deserialize, Serialize};
+use sqlx::{Executor, Row};
 
 use crate::db;
 
 use super::{course::Course, custom_label::CustomLabel};
 
 #[derive(Serialize, Deserialize, Clone, Debug)]
-#[serde(crate = "rocket::serde")]
+pub struct ScanData {
+    pub course_name: String,
+    pub person_names: String,
+    pub person_paternal_surname: String,
+    pub person_maternal_surname: String,
+    pub person_dni: String,
+    pub register_id: i32,
+}
+
 /// Represents a single register send by the frontend
 /// to create a new register in the database
+#[derive(Serialize, Deserialize, Clone, Debug)]
 pub struct RegisterCreate {
     person_id: i32,
     course_id: i32,
@@ -161,4 +171,58 @@ impl Register {
 
         Ok(())
     }
+
+    pub async fn get_course_and_person(
+        register_id_list: String,
+        person_dni_list: String,
+    ) -> Result<Vec<ScanData>, sqlx::Error> {
+        let db = db();
+
+        let sql = format!(
+            "
+        select
+            course.course_name,
+            register.register_id,
+            person.person_dni,
+            person.person_names,
+            person.person_paternal_surname,
+            person.person_maternal_surname
+        from register
+        inner join course on course.course_id = register.register_course_id
+        inner join person on person.person_id = register.register_person_id
+        where register_id IN ({register_id_list})
+        union
+        select 
+            '' as 'course_name',
+            0 as register_id,
+            '' as person_dni,
+            person.person_names,
+            person.person_paternal_surname,
+            person.person_maternal_surname
+        from person
+        where person_dni IN ({person_dni_list})
+        "
+        );
+
+        log::info!("sql: {}", sql);
+
+        let result = db.fetch_all(sql.as_str()).await?;
+
+        log::info!("rows: {}", result.len());
+
+        let data = result
+            .iter()
+            .map(|row| ScanData {
+                course_name: row.try_get("course_name").unwrap(),
+                person_names: row.try_get("person_names").unwrap(),
+                register_id: row.try_get("register_id").unwrap(),
+                person_dni: row.try_get("person_dni").unwrap(),
+                person_paternal_surname: row.try_get("person_paternal_surname").unwrap(),
+                person_maternal_surname: row.try_get("person_maternal_surname").unwrap(),
+            })
+            .collect();
+
+        Ok(data)
+    }
 }
+

frontend/src/Scans/index.tsx

@@ -4,6 +4,7 @@ import { FilledCard } from "../components/FilledCard";
 import { LoadingIcon } from "../icons/LoadingIcon";
 import { MagnifyingGlassIcon } from "../icons/MagnifyingGlassIcon";
 import { LoadingStatus, useLoading } from "../utils/functions";
+import { PDFIcon } from "../icons/PDFIcon";
 
 /**
  * Represents the data about the scans that were detected.
@@ -36,6 +37,7 @@ export function Scans() {
 
     const detectScans = () => {
         setStatus(LoadingStatus.Loading);
+        setScanData(null);
 
         fetch(`${import.meta.env.VITE_BACKEND_URL}/api/scans/detect`)
             .then((res) => res.json())
@@ -49,6 +51,37 @@ export function Scans() {
             });
     };
 
+    const convertScans = () => {
+        setStatus(LoadingStatus.Loading);
+
+        if (scanData() === null) {
+            setError("No se detectaron escaneos");
+            setStatus(LoadingStatus.Error);
+            return;
+        }
+
+
+        fetch(
+            `${import.meta.env.VITE_BACKEND_URL}/api/scans/convert`,
+            {
+                method: "POST",
+                headers: {
+                    "Content-Type": "application/json",
+                },
+                body: JSON.stringify(scanData()),
+            },
+        )
+            .then((res) => res.json())
+            .then((res) => {
+                setStatus(LoadingStatus.Ok);
+                console.log(res);
+            })
+            .catch((err) => {
+                setStatus(LoadingStatus.Error);
+                console.error(err);
+            });
+    };
+
     return (
         <div class="grid grid-cols-[25rem_25rem_auto]">
             <div>
@@ -126,6 +159,7 @@ export function Scans() {
                         <div class="relative">
                             <FilledButton
                                 onClick={detectScans}
+                                disabled={loading()}
                             >
                                 <span
                                     class="absolute top-[1.35rem] left-2"
@@ -174,11 +208,43 @@ export function Scans() {
                     </div>
 
                     <p class="p-4">
-                        Al convertir los escaneos a PDF, se eliminan los archivos JPG.
+                        - Al convertir los escaneos a PDF se eliminan los archivos JPG.
                         <br />
-                        La lista de escaneos a convertir puede haber cambiado desde
+                        - Solo se convertiran los escaneos mostrados en esta lista.
-                        la última vez que se realizó la detección.
+                        <br />
+                        - Si ejecutas la detección de escaneos nuevamente los nombres de
+                        los archivos cambiarán. Esto es normal. El contenido de los JPG
+                        es el mismo.
                     </p>
+
+                    <div class="relative mx-4 mb-4">
+                        <FilledButton
+                            onClick={convertScans}
+                            disabled={loading()}
+                        >
+                            <span
+                                class="absolute top-[1.35rem] left-2"
+                                style={{display: loading() ? "none" : "inline-block"}}
+                            >
+                                <PDFIcon
+                                    fill="var(--c-on-primary)"
+                                />
+                            </span>
+                            <span
+                                class="absolute top-[1.35rem] left-2"
+                                style={{display: loading() ? "inline-block" : "none"}}
+                            >
+                                <LoadingIcon
+                                    class="animate-spin"
+                                    fill="var(--c-primary-container)"
+                                />
+                            </span>
+
+                            <span class="ml-5">
+                                Convertir escaneos
+                            </span>
+                        </FilledButton>
+                    </div>
                 </FilledCard>
             </div>
         </div>

frontend/src/certGenerator/certs/CertData.ts

@@ -36,7 +36,7 @@ export type CertData<T> = {
      */
     certDay: string,
     /**
-     * Id of the certificate
+     * Id of the certificate in database (not the same as certCode)
      */
     certIId: number,
     /**

frontend/src/certGenerator/certs/utils.ts

@@ -69,8 +69,7 @@ export async function getQR(data : {
     verticalOffset: number,
     behindDocument?: boolean,
 }): Promise<typeof ImageRun> {
-    // Old URL: https://www.eegsac.com/alumnoscertificados.php?DNI=${dni()}
+    // https://eegsac.com/certificado/${dni()}
-    // New URL: https://eegsac.com/certificado/${dni()}
     const qr = await QR.toDataURL(`https://eegsac.com/certificado/${data.dni}?iid=${data.iid}`, {margin: 1});
 
     return new ImageRun({

frontend/src/icons/PDFIcon.tsx

@@ -0,0 +1,9 @@
+
+
+export function PDFIcon(props: {fill: string}) {
+    return (
+        <svg xmlns="http://www.w3.org/2000/svg" class="inline-block w-6" fill={props.fill} viewBox="0 0 256 256">
+            <path d="M224,152a8,8,0,0,1-8,8H192v16h16a8,8,0,0,1,0,16H192v16a8,8,0,0,1-16,0V152a8,8,0,0,1,8-8h32A8,8,0,0,1,224,152ZM92,172a28,28,0,0,1-28,28H56v8a8,8,0,0,1-16,0V152a8,8,0,0,1,8-8H64A28,28,0,0,1,92,172Zm-16,0a12,12,0,0,0-12-12H56v24h8A12,12,0,0,0,76,172Zm88,8a36,36,0,0,1-36,36H112a8,8,0,0,1-8-8V152a8,8,0,0,1,8-8h16A36,36,0,0,1,164,180Zm-16,0a20,20,0,0,0-20-20h-8v40h8A20,20,0,0,0,148,180ZM40,112V40A16,16,0,0,1,56,24h96a8,8,0,0,1,5.66,2.34l56,56A8,8,0,0,1,216,88v24a8,8,0,0,1-16,0V96H152a8,8,0,0,1-8-8V40H56v72a8,8,0,0,1-16,0ZM160,80h28.69L160,51.31Z" />
+        </svg>
+    );
+}