feat(dash): connection testing — Discogs / Woo / DealGod

POST /settings/test/{service} validates stored creds against the live service
(Discogs identity, Woo orders, DealGod /api/me) so "connected" means connected.
Dash gets per-service Test buttons with green/amber status.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

app/settings_routes.py

@@ -1,3 +1,6 @@
+from urllib.parse import urlparse
+
+import httpx
 from fastapi import APIRouter, Depends, HTTPException
 from pydantic import BaseModel
 
@@ -46,3 +49,45 @@ async def save_secret(body: SecretIn, ident=Depends(require_token), db=Depends(g
     except vault.SecretsUnconfigured as e:
         raise HTTPException(503, str(e))
     return {"ok": True, "name": body.name, "set": True}
+
+
+@router.post("/test/{service}")
+async def test_connection(service: str, ident=Depends(require_token), db=Depends(get_db)):
+    """Validate stored credentials against the live service — so 'connected' means connected."""
+    async with httpx.AsyncClient(timeout=15, follow_redirects=True) as c:
+        if service == "discogs":
+            tok = await vault.get_secret(db, "discogs_token")
+            if not tok:
+                raise HTTPException(400, "save a Discogs personal access token first")
+            r = await c.get("https://api.discogs.com/oauth/identity",
+                            headers={"Authorization": f"Discogs token={tok}",
+                                     "User-Agent": "RecordGod/0.1"})
+            if r.status_code == 200:
+                return {"ok": True, "connected": True, "as": r.json().get("username")}
+            return {"ok": True, "connected": False, "detail": f"HTTP {r.status_code}"}
+
+        if service == "woo":
+            base = await vault.get_secret(db, "woo_base_url")
+            ck = await vault.get_secret(db, "woo_consumer_key")
+            cs = await vault.get_secret(db, "woo_consumer_secret")
+            if not (base and ck and cs):
+                raise HTTPException(400, "save Woo store URL + consumer key + secret first")
+            r = await c.get(base.rstrip("/") + "/wp-json/wc/v3/orders",
+                            params={"per_page": 1}, auth=(ck, cs))
+            if r.status_code == 200:
+                return {"ok": True, "connected": True, "as": urlparse(base).netloc}
+            return {"ok": True, "connected": False, "detail": f"HTTP {r.status_code}"}
+
+        if service == "dealgod":
+            key = await vault.get_secret(db, "dealgod_api_key")
+            if not key:
+                raise HTTPException(400, "save a DealGod API key first")
+            r = await c.get("https://api.dealgod.pro/api/me", headers={"X-Api-Key": key})
+            if r.status_code == 200:
+                j = r.json()
+                return {"ok": True, "connected": True, "as": f"{j.get('user')} · {j.get('plan')}"}
+            if r.status_code == 404:
+                return {"ok": True, "connected": False, "detail": "DealGod /api/me not deployed yet"}
+            return {"ok": True, "connected": False, "detail": f"HTTP {r.status_code}"}
+
+    raise HTTPException(400, "unknown service")

site/dash.html

@@ -48,13 +48,17 @@
       <div id="secrets"></div>
     </div>
     <div class="card">
-      <h2>Orders (WooCommerce)</h2>
+      <h2>Connections <span class="soon">— save the keys above, then test</span></h2>
-      <p class="soon">Save your Woo store URL + consumer key/secret above, then live orders land here —
+      <div style="display:flex;gap:10px;align-items:center;margin:9px 0">
-         managed without wp-admin. (Coming next.)</p>
+        <button class="ghost" onclick="testConn('discogs')">Test Discogs</button><span id="c-discogs" class="soon"></span></div>
+      <div style="display:flex;gap:10px;align-items:center;margin:9px 0">
+        <button class="ghost" onclick="testConn('woo')">Test WooCommerce</button><span id="c-woo" class="soon"></span></div>
+      <div style="display:flex;gap:10px;align-items:center;margin:9px 0">
+        <button class="ghost" onclick="testConn('dealgod')">Test DealGod</button><span id="c-dealgod" class="soon"></span></div>
     </div>
     <div class="card">
-      <h2>Discogs</h2>
+      <h2>Orders (WooCommerce)</h2>
-      <p class="soon">Save your Discogs OAuth/token above to enrich intake from the live API and your wantlist.</p>
+      <p class="soon">Once WooCommerce tests green, live orders land here — managed without wp-admin. (Next build.)</p>
     </div>
   </div>
 </div>
@@ -100,6 +104,16 @@ async function save(name, btn){
     btn.previousElementSibling; setTimeout(()=>btn.textContent='Save', 1500); }
 }
 
+async function testConn(svc){
+  const el = document.getElementById('c-'+svc); el.textContent='testing…'; el.style.color='#9a9aa6';
+  let r, d;
+  try { r = await fetch('/settings/test/'+svc, {method:'POST', headers:hdr()}); d = await r.json(); }
+  catch(e){ el.textContent='✕ network error'; el.style.color='#e66'; return; }
+  if(!r.ok){ el.textContent='✕ '+(d.detail||r.status); el.style.color='#e6a046'; return; }
+  if(d.connected){ el.textContent='✓ connected'+(d.as?(' as '+d.as):''); el.style.color='#46d18a'; }
+  else { el.textContent='✕ '+(d.detail||('HTTP '+d.status)); el.style.color='#e6a046'; }
+}
+
 // auto-resume if a token is already stored
 if(TOKEN){ $('#tok').value = TOKEN; signin(); }
 </script>