Let user specify encoding for export

api-webapp/src/main/kotlin/org/jeudego/pairgoth/api/StandingsHandler.kt

@@ -23,6 +23,8 @@ import javax.servlet.http.HttpServletResponse
 import kotlin.math.max
 import kotlin.math.min
 import org.jeudego.pairgoth.model.TimeSystem.TimeSystemType.*
+import java.io.OutputStreamWriter
+import java.nio.charset.StandardCharsets
 import java.text.DecimalFormat
 
 object StandingsHandler: PairgothApiHandler {
@@ -71,17 +73,29 @@ object StandingsHandler: PairgothApiHandler {
                 }
             }
         }
-        val accept = request.getHeader("Accept")?.substringBefore(";")
-        return when(accept) {
+        val acceptHeader = request.getHeader("Accept") as String?
+        val accept = acceptHeader?.substringBefore(";")
+        val acceptEncoding = acceptHeader?.substringAfter(";charset=", "utf-8") ?: "utf-8"
+        val encoding = when (acceptEncoding) {
+            "utf-8" -> StandardCharsets.UTF_8
+            "iso-8859-1" -> StandardCharsets.ISO_8859_1
+            else -> ApiHandler.badRequest("unknown encoding in Accept header: $accept")
+        }
+        val writer by lazy {
+            PrintWriter(OutputStreamWriter(response.outputStream, encoding))
+        }
+        return when (accept) {
             "application/json" -> sortedPairables.toJsonArray()
             "application/egf" -> {
+                response.contentType = "text/plain;charset=${encoding}"
                 val neededCriteria = ArrayList(tournament.pairing.placementParams.criteria)
                 if (!neededCriteria.contains(NBW)) neededCriteria.add(NBW)
-                exportToEGFFormat(tournament, sortedPairables, neededCriteria, response.writer)
+                exportToEGFFormat(tournament, sortedPairables, neededCriteria, writer)
                 return null
             }
             "application/ffg" -> {
-                exportToFFGFormat(tournament, sortedPairables, response.writer)
+                response.contentType = "text/plain;charset=${encoding}"
+                exportToFFGFormat(tournament, sortedPairables, writer)
                 return null
             }
             else -> ApiHandler.badRequest("invalid Accept header: $accept")
@@ -159,7 +173,6 @@ ${
     }
 
     private fun exportToFFGFormat(tournament: Tournament<*>, lines: List<Json.Object>, writer: PrintWriter) {
-        // let's try in UTF-8
         val ret =
 """;name=${tournament.shortName}
 ;date=${frDate.format(tournament.startDate)}

api-webapp/src/main/kotlin/org/jeudego/pairgoth/server/ApiServlet.kt

@@ -235,7 +235,7 @@ class ApiServlet: HttpServlet() {
         //         2) there will be other content types: .tou, .h9, .html
         if (!isJson(accept) &&
             (!isXml(accept) || !request.requestURI.matches(Regex("/api/tour/\\d+"))) &&
-            (accept != "application/ffg" && accept != "application/egf" || !request.requestURI.matches(Regex("/api/tour/\\d+/standings/\\d+")))
+            (!accept.startsWith("application/ffg") && !accept.startsWith("application/egf") || !request.requestURI.matches(Regex("/api/tour/\\d+/standings/\\d+")))
 
         ) throw ApiException(
             HttpServletResponse.SC_BAD_REQUEST,

view-webapp/src/main/webapp/WEB-INF/translations/fr

@@ -32,6 +32,7 @@ Dates	Dates
 Download	Télécharger
 Download the standalone web interface module which suits your need, then follow	Télécharger le module d’interface web qui correspond à vos besoins, puis suivez
 Edit	Éditer
+Encoding	Encodage
 Enter the magic word	Entrer le mot magique
 Export	Exporter
 Export tournament	Exporter le tournoi

view-webapp/src/main/webapp/js/tour-standings.inc.js

@@ -1,15 +1,18 @@
 function publish(format, extension) {
   let form = $('#tournament-infos')[0];
   let shortName = form.val('shortName');
+  let encoding = $('#encoding')[0].value;
   let hdrs = headers();
-  hdrs['Accept'] = `application/${format}`
+  hdrs['Accept'] = `application/${format};charset=${encoding}`
   fetch(`api/tour/${tour_id}/standings/${activeRound}`, {
     headers: hdrs
   }).then(resp => {
-    if (resp.ok) return resp.text()
+    if (resp.ok) return resp.arrayBuffer()
     else throw "publish error"
-  }).then(txt => {
-    let blob = new Blob(['\uFEFF', txt.trim()], {type: 'text/plain;charset=utf-8'});
+  }).then(bytes => {
+    let blob = new Blob(
+      encoding === 'utf-8' ? ['\uFEFF', bytes] : [bytes],
+      { type: `text/plain;charset=${encoding}` });
     downloadFile(blob, `${shortName}.${extension}`);
     close_modal();
   }).catch(err => showError(err));

view-webapp/src/main/webapp/tour-standings.inc.html

@@ -88,7 +88,10 @@
     </table>
   </div>
   <div class="right form-actions">
-    <button id="publish" class="ui yellow floating button">Publish</button>
+    <button id="publish" class="ui yellow floating right labeled icon button">
+      <i class="paper plane outline icon"></i>
+      Publish
+    </button>
   </div>
 </div>
 <div id="publish-modal" class="popup">
@@ -97,12 +100,23 @@
       Publish standings
     </div>
     <div class="popup-content">
-      <div class="horz">
-        <span>Choose format</span>
-        <button type="button" class="ui blue floating publish-html button">HTML</button>
-        <button type="button" class="ui blue floating publish-egf button">EGF</button>
-        <button type="button" class="ui blue floating publish-ffg button">FFG</button>
-      </div>
+      <form class="ui edit form">
+        <div class="field">
+          <label>Encoding</label>
+          <select id="encoding">
+            <option value="utf-8">UTF-8</option>
+            <option value="iso-8859-1">ISO 8859-1</option>
+          </select>
+        </div>
+        <div class="field">
+          <label>Choose format</label>
+          <div class="inline fields">
+            <button type="button" class="ui blue floating publish-html button">HTML</button>
+            <button type="button" class="ui blue floating publish-egf button">EGF</button>
+            <button type="button" class="ui blue floating publish-ffg button">FFG</button>
+          </div>
+        </div>
+      </form>
     </div>
     <div class="popup-footer">
       <div class="form-actions">