Started working on the view upload page

sql/schema/02_upload.up.sql

@@ -1,27 +1,28 @@
 CREATE TABLE uploads (
-    id         SERIAL PRIMARY KEY,
+    id         INTEGER PRIMARY KEY AUTOINCREMENT,
     site_id    INT  NOT NULL,
     guid       TEXT NOT NULL,
     mime_type  TEXT NOT NULL,
     filename   TEXT NOT NULL,
-    file_size  INT NOT NULL,
+    file_size  INT  NOT NULL,
+    slug       TEXT NOT NULL,
     alt        TEXT NOT NULL,
     created_at INT  NOT NULL,
-
     FOREIGN KEY (site_id) REFERENCES sites (id) ON DELETE CASCADE
 );
 CREATE INDEX idx_uploads_site ON uploads (site_id);
-CREATE UNIQUE INDEX idx_uploads_guid ON sites (guid);
+CREATE UNIQUE INDEX idx_uploads_guid ON uploads (guid);
+CREATE UNIQUE INDEX idx_uploads_site_slug ON uploads (site_id, slug);
 
 CREATE TABLE pending_uploads (
-    id SERIAL PRIMARY KEY,
-    site_id INT NOT NULL,
-    guid TEXT NOT NULL,
-    user_id INT NOT NULL,
-    filename TEXT NOT NULL,
-    file_size INT NOT NULL,
-    mime_type TEXT NOT NULL,
-    upload_started_at INT NOT NULL,
+    id                INTEGER PRIMARY KEY AUTOINCREMENT,
+    site_id           INT  NOT NULL,
+    guid              TEXT NOT NULL,
+    user_id           INT  NOT NULL,
+    filename          TEXT NOT NULL,
+    file_size         INT  NOT NULL,
+    mime_type         TEXT NOT NULL,
+    upload_started_at INT  NOT NULL,
     FOREIGN KEY (site_id) REFERENCES sites (id) ON DELETE CASCADE,
     FOREIGN KEY (user_id) REFERENCES users (id) ON DELETE CASCADE
 );