first commit

web/index.html

@@ -574,7 +574,8 @@ function renderFeed(){
       <div class="meta">
         <h2>${esc(f.title||f.id)}</h2>
         <div class="sub">${f.entries} items · ${f.downloaded} downloaded · checked ${ago(f.last_checked)}
-          · every ${everyText(f.every_mins)}${f.next_check?` · next ${due(f.next_check)}`:''}</div>
+          · every ${everyText(f.every_mins)}${f.next_check?` · next ${due(f.next_check)}`:''}${
+          f.subscribers>1?` · shared with ${f.subscribers-1} other ${f.subscribers===2?'person':'people'}`:''}</div>
         ${f.last_error?`<div class="sub" style="color:var(--bad)">${esc(f.last_error)}</div>`:''}
         ${f.orphaned?`<div class="sub" style="color:var(--warn)">This feed is no longer listed in its
           OPML subscription. It was kept rather than removed because it has downloaded items.</div>`:''}
@@ -861,6 +862,12 @@ function showDetail(e){
 /// One enclosure: a player when the file is here, otherwise what it is and a way to get it.
 function encBox(x){
   const size=x.length?mb(x.length):'';
+  // One file serves everyone reading the feed, so deleting is not a private act.
+  const f=S.feeds.find(y=>y.id===S.feed);
+  const shared=f&&f.subscribers>1;
+  const delBtn=`<button class="btn danger" data-a="del" data-enc="${x.id}"${
+    shared?` title="Shared with ${f.subscribers-1} other ${f.subscribers===2?'person':'people'} reading this feed"`:''
+  }>Delete${shared?' for everyone':' file'}</button>`;
   if(x.path && !isPlayable(x)){
     // On disk, but not audio or video: view it, keep it, or remove it -- no player.
     return `<div class="encbox">
@@ -868,7 +875,7 @@ function encBox(x){
       <span class="meta" style="flex:1">downloaded${size?' \u00b7 '+size:''}</span>
       <a class="btn" href="/media/${x.id}" target="_blank" rel="noopener noreferrer">View</a>
       <a class="btn" href="/media/${x.id}" download>Save</a>
-      <button class="btn danger" data-a="del" data-enc="${x.id}">Delete file</button>
+      ${delBtn}
     </div>`;
   }
   if(x.path){
@@ -876,7 +883,7 @@ function encBox(x){
       <audio id="audio-${x.id}" controls preload="none" src="/media/${x.id}"></audio>
       <span class="meta">${size}</span>
       <a class="btn" href="/media/${x.id}" download>Save</a>
-      <button class="btn danger" data-a="del" data-enc="${x.id}">Delete file</button>
+      ${delBtn}
     </div>`;
   }
   // Nothing on disk. For an image or a PDF you usually just want to look at it, so link
@@ -908,8 +915,21 @@ async function epAction(a,e,el,encId){
       toast('Queued: '+(e.title||'item'));
     }
     if(a==='del'){
-      if(!confirm('Delete the downloaded file?\n\nThe item stays listed and will not be downloaded again automatically.')) return;
-      await api(`/api/enclosures/${enc.id}`,{method:'DELETE'});
+      const f=S.feeds.find(x=>x.id===e.feed_id);
+      const shared=f&&f.subscribers>1;
+      if(!confirm(shared
+        ? `Delete this file?\n\nThere is one copy, shared with ${f.subscribers-1} other `
+          +`${f.subscribers===2?'person':'people'} reading this feed. The item stays listed `
+          +`and will not be downloaded again automatically.`
+        : 'Delete the downloaded file?\n\nThe item stays listed and will not be downloaded again automatically.')) return;
+      try{
+        await api(`/api/enclosures/${enc.id}`,{method:'DELETE'});
+      }catch(err){
+        // 409: somebody else has it starred or unplayed. Their reason, their words.
+        if(!/one copy of this file/.test(err.message)) throw err;
+        if(!confirm(err.message+'\n\nDelete it anyway?')) return;
+        await api(`/api/enclosures/${enc.id}?force=true`,{method:'DELETE'});
+      }
       toast('Deleted'); loadEntries(); loadFeeds(true);
     }
   }catch(err){ toast(err.message,true); }