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Code Issues Packages Projects Releases Wiki Activity

feat: add online editor, work in progress

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lucasroyerdev
2026-01-30 19:48:30 +01:00
parent e274352f98
commit ebb10ed61b
9 changed files with 621 additions and 44 deletions
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280
app/src/main/java/com/stock/pignon/ControlServer.java
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@@ -3,6 +3,7 @@ package com.stock.pignon;
import android.content.Context;
import android.os.Environment;
import android.util.Log;
import fi.iki.elonen.NanoHTTPD;
import java.io.File;
@@ -11,15 +12,17 @@ import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.HashMap;
import java.util.Map;
import java.util.List;
import java.util.ArrayList;
import java.util.Map;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.Scanner;
/**
* Create a web server to remote management of app assets.
* Inherit what is needed to build a web server from NanoHTTPD
*/
// Inherit what is needed to build a web server
public class ControlServer extends NanoHTTPD {
private final Context context;
@@ -35,17 +38,23 @@ public class ControlServer extends NanoHTTPD {
}
/**
* Main method which receive remote request
* Main method which manage requests
*/
@Override
public Response serve(IHTTPSession session) {
// Get requested address
String uri = session.getUri();
if (uri.startsWith("/img_view/")) {
return serveImage(uri.replace("/img_view/", ""));
}
if (session.getMethod() == Method.GET) {
switch (uri) {
// Soon deprecated with online editor
case "/download_input":
return downloadFile(Config.INPUT_JSON_NAME);
// Soon deprecated with online editor
case "/output_json":
return viewFile(Config.OUTPUT_JSON_NAME);
case "/download_output_json":
@@ -54,17 +63,23 @@ public class ControlServer extends NanoHTTPD {
return viewFile(Config.OUTPUT_CSV_NAME);
case "/download_output_csv":
return downloadFile(Config.OUTPUT_CSV_NAME);
case "/edit":
return newFixedLengthResponse(fillEditor());
case "/":
return newFixedLengthResponse(getHome());
return newFixedLengthResponse(getHtml("index.html"));
}
}
if (session.getMethod() == Method.POST) {
switch (uri) {
// Soon deprecated with online editor
case "/upload_json":
return handleJsonUpload(session);
// Soon deprecated with online editor
case "/upload_images":
return handleImagesUpload(session);
case "/save_editor":
return handleSaveEditor(session);
}
}
@@ -72,28 +87,233 @@ public class ControlServer extends NanoHTTPD {
}
/**
* HTML UI for users
* Read from asset and return html file
*/
private String getHome() {
private String getHtml(String file) {
try {
InputStream is = context.getAssets().open("index.html");
InputStream is = context.getAssets().open(file);
// Scanner html file from the beginning with "\\A"
Scanner s = new Scanner(is, "UTF-8").useDelimiter("\\A");
String html = s.hasNext() ? s.next() : "";
is.close();
return html;
} catch (IOException e) {
return "<html><body>❌ Erreur de chargement du template</body></html>";
return "<html><body>❌ Erreur de chargement de la page</body></html>";
}
}
/**
* Read from asset and return html file
*/
private String fillEditor() {
// Get data for assets
DataLoader.loadData();
// Create an html string to fill the template
StringBuilder html = new StringBuilder();
// Browse map : 'id' for categories name, 'items' for items list
for (Map.Entry<String, List<Item>> section : DataLoader.getAllSections().entrySet()) {
String id = section.getKey();
List<Item> items = section.getValue();
// For each category, render a HTML card
html.append(renderCategorySection(id, items));
}
return getHtml("editor.html").replace("{{GENERATED_CONTENT}}", html.toString());
}
/**
* Generate HTML section for each category
*/
private String renderCategorySection(String id, List<Item> items) {
StringBuilder sb = new StringBuilder();
sb.append("<div class='card'>");
sb.append("<h2>");
if ("global".equals(id)) {
sb.append("Articles globaux");
// Hidden input to mark cat for server
sb.append("<input type='hidden' name='cat|").append(id).append("|name' value='global'>");
} else {
// Copy H2 theme
sb.append("<input type='text' name='cat|").append(id).append("|name' ")
.append("value=\"").append(id).append("\" ")
.append("style='font-size: 1.5rem; font-weight: bold; border: none; background: transparent; color: #555; width: auto; max-width: 70%; border-bottom: 1px dashed #ccc;'>");
// Delete category button
sb.append(" <button type='button' class='btn-del' style='vertical-align: middle; margin-left: 10px;' ")
.append("onclick=\"if(confirm('Supprimer cette catégorie et tous ses articles ?')) this.closest('.card').remove()\">×</button>");
}
sb.append("</h2>");
// Build table
sb.append("<table id='table-").append(id).append("'>");
sb.append("<tr><th>Image</th><th>Nom</th><th>Prix Min</th><th>Prix Max</th><th></th></tr>");
for (Item item : items) {
sb.append(renderItemRow(id, item));
}
sb.append("</table>");
// Button to add item in this category
sb.append("<button type='button' class='btn-add' onclick=\"addRow('").append(id).append("')\">+ Ajouter article</button>");
sb.append("</div>");
return sb.toString();
}
/**
* Generate HTML row for each item
*/
private String renderItemRow(String catName, Item item) {
String prefix = "item|" + catName + "|" + item.getName();
return "<tr>" +
"<td><img src='/img_view/" + item.getImage() + "' class='img-p' onerror=\"this.src='https://placehold.co/60?text=?'\">" +
"<br><input type='file' accept='.jpg,.png' style='font-size:10px; width:70px' onchange='uImg(this)'>" +
"<input type='hidden' name='" + prefix + "|img' value='" + item.getImage() + "'></td>" +
"<td><input type='text' name='" + prefix + "|name' value=\"" + item.getName() + "\"></td>" +
"<td><input type='number' name='" + prefix + "|min' value='" + item.getMinPrice() + "'></td>" +
"<td><input type='number' name='" + prefix + "|max' value='" + item.getMaxPrice() + "'></td>" +
// Retro JS compatibility
"<td><button type='button' class='btn-del' onclick='var r=this.parentNode.parentNode; r.parentNode.removeChild(r);'>×</button></td>" +
"</tr>";
}
private Response serveImage(String filename) {
File imgJpg = new File(imagesDir, filename + ".jpg");
File imgPng = new File(imagesDir, filename + ".png");
File file = imgJpg.exists() ? imgJpg : (imgPng.exists() ? imgPng : null);
if (file == null || !file.exists()) return newFixedLengthResponse(Response.Status.NOT_FOUND, "text/plain", "No image");
try {
Response res = newChunkedResponse(Response.Status.OK, "image/jpeg", new FileInputStream(file));
// Avoid cache if user change image
res.addHeader("Cache-Control", "no-cache, no-store, must-revalidate");
res.addHeader("Pragma", "no-cache");
res.addHeader("Expires", "0");
return res;
} catch (IOException e) {
return newFixedLengthResponse("Error");
}
}
private Response handleSaveEditor(IHTTPSession session) {
try {
// NanoHTTPD reads post request : copy all data then sort parameters
Map<String, String> files = new HashMap<>();
session.parseBody(files);
Map<String, List<String>> params = session.getParameters();
// Temp struct for modified categories
// Key is category is, value is item list
Map<String, List<Item>> categoriesMap = new LinkedHashMap<>();
// Map id and categories names
Map<String, String> categoryNames = new HashMap<>();
// Identify categories with "cat|id123|name"
for (Map.Entry<String, List<String>> paramEntry : params.entrySet()) {
String key = paramEntry.getKey();
if (key.startsWith("cat|") && key.endsWith("|name")) {
String[] parts = key.split("\\|");
String catId = parts[1];
String catName = paramEntry.getValue().get(0);
// Create category only if it doesn't exist already
if (!categoriesMap.containsKey(catId)) {
categoriesMap.put(catId, new ArrayList<>());
categoryNames.put(catId, catName);
}
}
}
// Group field for each items
// Key = "catId|itemId", Value = "name, min, max, img""
Map<String, Map<String, String>> itemDataCollector = new LinkedHashMap<>();
for (String key : params.keySet()) {
if (key.startsWith("item|") || key.startsWith("new|")) {
String[] parts = key.split("\\|"); // [type, catId, itemId, field]
String catId = parts[1];
String itemId = parts[2];
String field = parts[3];
List<String> values = params.get(key);
String value = (values != null && !values.isEmpty()) ? values.get(0) : "";
String fullId = catId + "|" + itemId;
Map<String, String> itemFields = itemDataCollector.get(fullId);
if (itemFields == null) {
itemFields = new HashMap<>();
itemDataCollector.put(fullId, itemFields);
}
itemFields.put(field, value);
}
}
for (Map.Entry<String, Map<String, String>> entry : itemDataCollector.entrySet()) {
String catId = entry.getKey().split("\\|")[0];
Map<String, String> fields = entry.getValue();
String name = fields.get("name");
if (name == null) name = "Sans nom";
String img = fields.get("img");
if (img == null) img = "";
int min = 0;
int max = 0;
try {
String minStr = fields.get("min");
if (minStr != null) min = Integer.parseInt(minStr);
String maxStr = fields.get("max");
if (maxStr != null) max = Integer.parseInt(maxStr);
} catch (Exception e) {
// If error, keep 0
}
Item item = new Item(name, img, min, max);
List<Item> categoryItems = categoriesMap.get(catId);
if (categoryItems != null) {
categoryItems.add(item);
}
}
// Stop to use cat ID and replace with cat name
Map<String, List<Item>> finalData = new LinkedHashMap<>();
for (String catId : categoriesMap.keySet()) {
String realName = categoryNames.get(catId);
finalData.put(realName, categoriesMap.get(catId));
}
// Save data to disk in JSON format
DataLoader.saveData(finalData);
return newFixedLengthResponse("✅ Catalogue enregistré ! <a href='/'>Retour</a>");
} catch (Exception e) {
Log.e("ControlServer", "Erreur lors de la sauvegarde", e);
return newFixedLengthResponse("❌ Erreur : " + e.getMessage());
}
}
// Soon deprecated with online editor
/**
* Manage JSON sent by remote.
*/
private Response handleJsonUpload(IHTTPSession session) {
Map<String, String> tmpFiles = new HashMap<>();
try {
// NanoHTTPD stores loaded file in temp file
session.parseBody(tmpFiles);
// NanoHTTPD stocke le fichier avec le nom du champ HTML (json_file)
// tmpFiles map stores file name and path to tmp folder
String tmpPath = tmpFiles.get("json_file");
if (tmpPath == null) return newFixedLengthResponse("❌ Aucun fichier reçu.");
@@ -107,6 +327,7 @@ public class ControlServer extends NanoHTTPD {
}
}
// Soon deprecated with online editor
/**
* Manage multiple images sent by remote.
*/
@@ -122,17 +343,17 @@ public class ControlServer extends NanoHTTPD {
int count = 0;
// On parcourt les fichiers temporaires créés par NanoHTTPD
// Browse temp files created by NanoHTTPD
for (Map.Entry<String, String> entry : tmpFiles.entrySet()) {
// NanoHTTPD indexe les envois multiples (images, images1, images2...)
// Manage multiple files uppload
if (entry.getKey().startsWith("images")) {
String tmpPath = entry.getValue();
// Récupération sécurisée des paramètres pour obtenir le nom original
// Get file name
List<String> params = session.getParameters().get(entry.getKey());
if (params != null && !params.isEmpty()) {
// Nettoyage du nom de fichier (pour ne garder que "image.jpg" sans le chemin PC)
// Clean file name to remove path, only keep image.jpg or image.png
String originalName = new File(params.get(0)).getName();
File src = new File(tmpPath);
@@ -152,6 +373,22 @@ public class ControlServer extends NanoHTTPD {
}
}
// Soon deprecated with online editor
/**
* Utility method to copy file byte per byte.
* Not always possible to simply move a file on Android.
*/
private void copyFile(File src, File dst) throws IOException {
try (InputStream in = new FileInputStream(src);
OutputStream out = new FileOutputStream(dst)) {
byte[] buf = new byte[1024];
int len;
while ((len = in.read(buf)) > 0) {
out.write(buf, 0, len);
}
}
}
/**
* Prepare file and offer as download
*/
@@ -195,19 +432,4 @@ public class ControlServer extends NanoHTTPD {
return newFixedLengthResponse("❌ Erreur de lecture.");
}
}
/**
* Utility method to copy file byte per byte.
* Not always possible to simply move a file on Android.
*/
private void copyFile(File src, File dst) throws IOException {
try (InputStream in = new FileInputStream(src);
OutputStream out = new FileOutputStream(dst)) {
byte[] buf = new byte[1024];
int len;
while ((len = in.read(buf)) > 0) {
out.write(buf, 0, len);
}
}
}
}