fine-tuning permissions stuff

Signed-off-by: Stephan Richter <s.richter@srsoftware.de>

frontend/src/routes/poll/Evaluate.svelte

@@ -38,10 +38,10 @@
 		border: 1px solid lime;
 		vertical-align: bottom;
 		position: relative;
-		width: 15px;
+		width: 20px;
 	}
 	.histogram{
-		height: 40px;
+		height: 60px;
 	}
 	.histogram span span{
 		position: absolute;
@@ -73,9 +73,7 @@
 				<td class="histogram">
 					{#each Object.entries(hist) as [weight,count]}
 					<span style="height: {100*count/max_val(hist)}%">
-						<span>
-							{weight}
-						</span>
+						<span>{weight}</span>
 					</span>
 					{/each}
 				</td>

frontend/src/routes/poll/View.svelte

@@ -8,7 +8,8 @@
 	import { t } from '../../translations.svelte';
 	let poll = $state(null);
 	let selection = $state({});
-	let editor = user ? { name: user.name, user_id : user.id } : { name : '', user_id : -1 };
+	let editor = $state(user ? { name: user.name, user_id : user.id } : { name : '', user_id : -1 })
+	let disabled = $state(false);
 
 	async function load(){
 		let url = api('poll/'+id);
@@ -20,7 +21,7 @@
 	}
 
 	async function save(ev){
-		console.log({ev,editor,selection});
+		disabled = true;
 		let url = api(`poll/${id}/select`);
 		let res = await post(url,{editor,selection});
 		if (res.ok) {
@@ -29,6 +30,7 @@
 	}
 
 	function select(option,weight){
+		disabled = false;
 		selection[option.id] = +weight;
 	}
 
@@ -95,9 +97,8 @@
 			{/each}
 		</tbody>
 	</table>
-	{#if Object.keys(selection).length}
-	<button onclick={save}>{t('save')}</button>
-	{/if}
+	<button onclick={save} disabled={disabled || !editor.name || !Object.keys(selection).length}>{t('save')} </button>
 </fieldset>
 <div class="warn">TODO: add notes</div>
+<div class="warn">TODO: load previous selection for logged-in user</div>
 {/if}