[BE] Search ESCANEOS directory for scans & get info from qr codes
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Araozu
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5939995477
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645ad1f387
17934
backend/sql/educa7ls_plataforma_backup_2023-11-10-16:15.sql
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17934
backend/sql/educa7ls_plataforma_backup_2023-11-10-16:15.sql
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File diff suppressed because it is too large
Load Diff
@ -1,6 +1,7 @@
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use crate::json_result::JsonResult;
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use printpdf::{Mm, PdfDocument};
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use rocket::{http::Status, serde::json::Json};
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use serde::Serialize;
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use std::{
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fs::{self, File},
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io::BufWriter,
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@ -9,31 +10,52 @@ use std::{
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const SCAN_PATH: &str = "/srv/srv/shares/eegsac/ESCANEOS/";
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/// Represents the result of parsing an eegsac URL
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#[derive(Serialize)]
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enum ScanInfo {
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/// The url has both DNI & id
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Full(String, i32),
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/// The url only has a DNI
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Partial(String),
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/// Te url is invalid
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Error(String),
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}
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#[get("/scans/detect")]
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pub async fn detect_scans() -> (Status, Json<JsonResult<Vec<String>>>) {
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// TODO: Move to ENV variable?
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pub async fn detect_scans() -> (Status, Json<JsonResult<Vec<(PathBuf, ScanInfo)>>>) {
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let files = match get_valid_files() {
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Ok(f) => f,
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Err(err) => {
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eprintln!("Error getting valid files: {:?}", err);
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return (Status::InternalServerError, JsonResult::err(err));
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}
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};
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let file_details = get_details_from_paths(files);
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(Status::Ok, JsonResult::ok(file_details))
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}
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/// Reads the SCAN_PATH directory and returns a list of file paths
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/// that are valid for processing.
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fn get_valid_files() -> Result<Vec<PathBuf>, String> {
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let paths = match fs::read_dir(SCAN_PATH) {
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Ok(paths) => paths,
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Err(err) => {
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eprintln!("Error reading dir: {:?}", err);
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return (
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Status::InternalServerError,
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JsonResult::err("Error leyendo directorio".into()),
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);
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return Err("Error leyendo directorio".into());
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}
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};
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let mut result = Vec::<String>::new();
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let mut result = Vec::<PathBuf>::new();
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for p in paths {
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let p = match p {
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Ok(p) => p,
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Err(err) => {
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eprintln!("Error reading path: {:?}", err);
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return (
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Status::InternalServerError,
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JsonResult::err("Error leyendo directorio".into()),
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);
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return Err("Error recuperando archivo de lista de archivos".into());
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}
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};
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@ -47,10 +69,7 @@ pub async fn detect_scans() -> (Status, Json<JsonResult<Vec<String>>>) {
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Some(filename) => filename,
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None => {
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eprintln!("Error getting file name: {:?}", file_path);
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return (
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Status::InternalServerError,
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JsonResult::err("Error leyendo archivo en directorio".into()),
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);
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return Err("Error leyendo archivo en directorio".into());
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}
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};
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@ -58,28 +77,28 @@ pub async fn detect_scans() -> (Status, Json<JsonResult<Vec<String>>>) {
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Some(p) => p,
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None => {
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eprintln!("Error getting file as string: {:?}", p);
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return (
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Status::InternalServerError,
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JsonResult::err("Error leyendo directorio".into()),
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);
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return Err("Error leyendo nombre de archivo de escaneo".into());
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}
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};
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if filename.ends_with(".jpg") && filename.starts_with("eeg") {
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result.push(filename.to_string());
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result.push(file_path);
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}
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}
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for filename in result.iter() {
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let path = PathBuf::from(format!("{}{}", SCAN_PATH, filename));
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examine_scan(&path);
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Ok(result)
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}
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(Status::Ok, JsonResult::ok(result))
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/// Detects the QR code data from every file
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fn get_details_from_paths(paths: Vec<PathBuf>) -> Vec<(PathBuf, ScanInfo)> {
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paths
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.into_iter()
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.map(|path| (path.clone(), get_image_info(path)))
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.collect()
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}
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fn examine_scan(path: &PathBuf) {
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fn get_image_info(path: PathBuf) -> ScanInfo {
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let img = image::open(path).unwrap();
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// Get width & height
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@ -95,31 +114,42 @@ fn examine_scan(path: &PathBuf) {
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// get qr from cropped image
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let results = bardecoder::default_decoder().decode(&cropped_img);
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// TODO: get first qr, parse, query db, get info, determine filename
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for result in results {
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println!("{}", result.unwrap());
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let url = match &results[0] {
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Ok(url) => url,
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Err(reason) => {
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eprintln!("Error decoding qr: {:?}", reason);
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return ScanInfo::Error("QR no encontrado.".into());
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}
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// Rotate image 90 degrees clockwise
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let img = img.rotate270();
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// Generate PDF
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let (doc, page1, layer1) =
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PdfDocument::new("PDF_Document_title", Mm(297.0), Mm(210.0), "Layer 1");
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let current_layer = doc.get_page(page1).get_layer(layer1);
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let pdf_image = printpdf::image::Image::from_dynamic_image(&img);
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let img_transform = printpdf::ImageTransform::default();
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let img_transform = printpdf::ImageTransform {
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dpi: Some(200.0),
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..img_transform
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};
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pdf_image.add_to_layer(current_layer, img_transform);
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// URL must have format `https://eegsac.com/certificado/<dni>?iid=<id>`
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// or `https://eegsac.com/certificado/<dni>`
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//
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doc.save(&mut BufWriter::new(
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File::create(format!("{}output.pdf", SCAN_PATH)).unwrap(),
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))
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.unwrap();
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match url.find('?') {
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Some(p) => {
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let dni_length = p - 31;
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let equals_pos = match url.find('=') {
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Some(p) => p,
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None => {
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return ScanInfo::Error(
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"QR invalido: Tiene signo de interrogacion (?) pero no igual (=).".into(),
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)
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}
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};
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let dni = url.chars().skip(31).take(dni_length).collect::<String>();
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let iid = url.chars().skip(equals_pos + 1).collect::<String>();
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match iid.parse() {
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Ok(v) => ScanInfo::Full(dni, v),
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Err(_) => ScanInfo::Error(
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"QR invalido: El iid no es un número.".into(),
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),
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}
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}
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None => {
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return ScanInfo::Partial(url.chars().skip(31).collect());
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}
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}
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}
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@ -1,5 +1,6 @@
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import { FilledButton } from "../components/FilledButton";
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import { FilledCard } from "../components/FilledCard";
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import { MagnifyingGlassIcon } from "../icons/MagnifyingGlassIcon";
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export function Scans() {
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const detectScans = () => {
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@ -11,25 +12,6 @@ export function Scans() {
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return (
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<div class="grid grid-cols-[25rem_25rem_auto]">
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<div>
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<FilledCard>
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<h1 class="py-2 px-4 font-medium text-xl mb-2">
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Ruta de la carpeta "Certificados"
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</h1>
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<div class="px-2">
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<input
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class="w-full p-2 border border-c-outline rounded-md font-mono"
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type="text"
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value="/srv/srv/shares/eegsac/ESCANEOS/"
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/>
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<p class="py-2 px-2">
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Si no hay ningún problema con la ruta, no es necesario cambiarla.
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<br />
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Esta ruta es relativa al servidor, no al cliente.
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</p>
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</div>
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</FilledCard>
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<FilledCard>
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<h1 class="py-2 px-4 font-medium text-xl mb-2">
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Parámetros de detección
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@ -88,17 +70,38 @@ export function Scans() {
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Detectar escaneos
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</h1>
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<div class="px-4 pb-4">
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El siguiente botón detectará los escaneos en la carpeta
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que cumplen con los parámetros de detección, y los mostrará
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en una lista.
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<br />
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<p>
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El siguiente botón detectará los archivos
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que cumplen con los parámetros de detección
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en la carpeta <code>ESCANEOS</code>, y los mostrará en una lista.
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</p>
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<p class="my-2">
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La detección demora aprox. 1 segundo por cada archivo que
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cumple con los parámetros.
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</p>
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<p class="my-2">
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Si la detección demora más de 90 segundos, se cancelará.
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</p>
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<div class="relative">
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<FilledButton
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class="mt-2"
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onClick={detectScans}
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>
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<span
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class="absolute top-[0.9rem] left-2 inline-block"
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>
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<MagnifyingGlassIcon
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fill="var(--c-on-primary)"
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/>
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</span>
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<span class="ml-5">
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Detectar escaneos
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</span>
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</FilledButton>
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</div>
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</div>
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</FilledCard>
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<FilledCard class="border border-c-outline overflow-hidden">
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<h1 class="p-3 font-medium text-xl">
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