Add image upload to cases with cleanup

src/pages/admin/cases.astro

@@ -1,15 +1,18 @@
 ---
 import { and, asc, desc, eq, gt, lt, max } from "drizzle-orm";
 import AdminLayout from "../../layouts/AdminLayout.astro";
+import ImageField from "../../components/admin/ImageField.astro";
 import { cases } from "../../db/schema";
 import { getDb } from "../../lib/db";
 import { getEnv } from "../../lib/env";
 import { parseForm } from "../../lib/form";
+import { deleteMedia } from "../../lib/media";
 import { caseInput } from "../../schemas";
 
 export const prerender = false;
 
-const db = getDb(getEnv().DB);
+const env = getEnv();
+const db = getDb(env.DB);
 
 let errors: Record<string, string> = {};
 let failedId = "";
@@ -44,6 +47,11 @@ if (Astro.request.method === "POST") {
       });
     } else {
       const id = str(form, "id");
+      const newImage = parsed.data.imageUrl || null;
+      const [current] = await db.select().from(cases).where(eq(cases.id, id)).limit(1);
+      if (current && current.imageUrl !== newImage) {
+        await deleteMedia(env, current.imageUrl);
+      }
       await db
         .update(cases)
         .set({
@@ -51,14 +59,17 @@ if (Astro.request.method === "POST") {
           location: parsed.data.location || null,
           completedAt: parsed.data.completedAt || null,
           description: parsed.data.description || null,
-          imageUrl: parsed.data.imageUrl || null,
+          imageUrl: newImage,
           status: parsed.data.status,
           updatedAt: new Date(),
         })
         .where(eq(cases.id, id));
     }
   } else if (action === "delete") {
-    await db.delete(cases).where(eq(cases.id, str(form, "id")));
+    const id = str(form, "id");
+    const [current] = await db.select().from(cases).where(eq(cases.id, id)).limit(1);
+    await deleteMedia(env, current?.imageUrl);
+    await db.delete(cases).where(eq(cases.id, id));
   } else if (action === "up" || action === "down") {
     const id = str(form, "id");
     const [current] = await db.select().from(cases).where(eq(cases.id, id)).limit(1);
@@ -109,8 +120,7 @@ const list = await db.select().from(cases).orderBy(asc(cases.sortOrder));
           <input id="a-date" name="completedAt" type="text" placeholder="例：2026年2月" />
         </div>
         <div>
-          <label for="a-img">圖片 URL</label>
-          <input id="a-img" name="imageUrl" type="text" placeholder="https://..." />
+          <ImageField name="imageUrl" label="圖片" scope="cases" id="a-img" />
         </div>
         <div style="grid-column:1/-1">
           <label for="a-desc">描述</label>
@@ -144,8 +154,13 @@ const list = await db.select().from(cases).orderBy(asc(cases.sortOrder));
                 <input name="completedAt" type="text" value={item.completedAt ?? ""} />
               </div>
               <div>
-                <label>圖片 URL</label>
-                <input name="imageUrl" type="text" value={item.imageUrl ?? ""} />
+                <ImageField
+                  name="imageUrl"
+                  label="圖片"
+                  scope="cases"
+                  value={item.imageUrl}
+                  id={`img-${item.id}`}
+                />
               </div>
               <div style="grid-column:1/-1">
                 <label>描述</label>
@@ -159,9 +174,6 @@ const list = await db.select().from(cases).orderBy(asc(cases.sortOrder));
                 </select>
               </div>
             </div>
-            {item.imageUrl && (
-              <img src={item.imageUrl} alt={item.title} style="margin-top:14px;max-width:220px;border-radius:10px;" />
-            )}
             <div class="actions">
               <button type="submit" name="action" value="save">儲存</button>
               <button type="submit" name="action" value="up" class="secondary mini" disabled={i === 0}>↑ 上移</button>