ui: Add Accept header to retrieve JSON errors

frontend/ui/src/components/ExerciceFlags.svelte

@@ -43,6 +43,7 @@
          "submit/" + exercice.id,
          {
              method: "POST",
+             headers: {'Accept': 'application/json'},
              body: JSON.stringify(responses),
          }
      )

frontend/ui/src/components/ExerciceHints.svelte

@@ -47,6 +47,7 @@
          "openhint/" + exercice.id,
          {
              method: "POST",
+             headers: {'Accept': 'application/json'},
              body: JSON.stringify({ id: hint.id }),
          }
      )

frontend/ui/src/components/FlagKey.svelte

@@ -41,6 +41,7 @@
          "wantchoices/" + exercice_id,
          {
              method: "POST",
+             headers: {'Accept': 'application/json'},
              body: JSON.stringify({ id: Number(flag.id) }),
          }
      )

frontend/ui/src/components/TeamChangeName.svelte

@@ -48,6 +48,7 @@
 
      const response = await fetch('chname', {
 	 method: "POST",
+         headers: {'Accept': 'application/json'},
 	 body: JSON.stringify({newName: newTeamName}),
      });
 

frontend/ui/src/routes/__layout.svelte

@@ -33,7 +33,7 @@
          };
      }
 
-     settings.update(await fetch('settings.json'), cb);
+     settings.update(await fetch('settings.json', {headers: {'Accept': 'application/json'}}), cb);
  }
 
  let refresh_interval_teams = null;
@@ -45,7 +45,7 @@
      }
      refresh_interval_teams = setInterval(refresh_teams, interval);
 
-     teamsStore.update(await fetch('teams.json'), cb);
+     teamsStore.update(await fetch('teams.json', {headers: {'Accept': 'application/json'}}), cb);
  }
 
  let refresh_interval_themes = null;
@@ -57,7 +57,7 @@
      }
      refresh_interval_themes = setInterval(refresh_themes, interval);
 
-     await themesStore.update(await fetch('themes.json'), cb);
+     await themesStore.update(await fetch('themes.json', {headers: {'Accept': 'application/json'}}), cb);
  }
 
  let refresh_interval_my = null;
@@ -69,7 +69,7 @@
      }
      refresh_interval_my = setInterval(refresh_my, interval);
 
-     my.update(await fetch('my.json'), cb);
+     my.update(await fetch('my.json', {headers: {'Accept': 'application/json'}}), cb);
  }
 
  let refresh_interval_issues = null;
@@ -81,7 +81,7 @@
      }
      refresh_interval_issues = setInterval(refresh_issues, interval);
 
-     issuesStore.update(await fetch('issues.json'), cb);
+     issuesStore.update(await fetch('issues.json', {headers: {'Accept': 'application/json'}}), cb);
  }
 
  export async function load({ page, fetch, session, context }) {

frontend/ui/src/routes/issues.svelte

@@ -76,6 +76,7 @@
 
      const response = await fetch('issue', {
 	 method: "POST",
+         headers: {'Accept': 'application/json'},
 	 body: JSON.stringify(issue),
      });
 

frontend/ui/src/routes/register.svelte

@@ -68,6 +68,7 @@
 
      const response = await fetch('registration', {
 	 method: "POST",
+         headers: {'Accept': 'application/json'},
 	 body: JSON.stringify(form),
      })