Prototype with single host server and no admin panel (#2)

Reviewed-on: wrenn/sandbox#2
Co-authored-by: pptx704 <rafeed@omukk.dev>
Co-committed-by: pptx704 <rafeed@omukk.dev>

db/queries/sandboxes.sql

@@ -0,0 +1,53 @@
+-- name: InsertSandbox :one
+INSERT INTO sandboxes (id, team_id, host_id, template, status, vcpus, memory_mb, timeout_sec)
+VALUES ($1, $2, $3, $4, $5, $6, $7, $8)
+RETURNING *;
+
+-- name: GetSandbox :one
+SELECT * FROM sandboxes WHERE id = $1;
+
+-- name: GetSandboxByTeam :one
+SELECT * FROM sandboxes WHERE id = $1 AND team_id = $2;
+
+-- name: ListSandboxes :many
+SELECT * FROM sandboxes ORDER BY created_at DESC;
+
+-- name: ListSandboxesByTeam :many
+SELECT * FROM sandboxes
+WHERE team_id = $1 AND status NOT IN ('stopped', 'error')
+ORDER BY created_at DESC;
+
+-- name: ListSandboxesByHostAndStatus :many
+SELECT * FROM sandboxes
+WHERE host_id = $1 AND status = ANY($2::text[])
+ORDER BY created_at DESC;
+
+-- name: UpdateSandboxRunning :one
+UPDATE sandboxes
+SET status = 'running',
+    host_ip = $2,
+    guest_ip = $3,
+    started_at = $4,
+    last_active_at = $4,
+    last_updated = NOW()
+WHERE id = $1
+RETURNING *;
+
+-- name: UpdateSandboxStatus :one
+UPDATE sandboxes
+SET status = $2,
+    last_updated = NOW()
+WHERE id = $1
+RETURNING *;
+
+-- name: UpdateLastActive :exec
+UPDATE sandboxes
+SET last_active_at = $2,
+    last_updated = NOW()
+WHERE id = $1;
+
+-- name: BulkUpdateStatusByIDs :exec
+UPDATE sandboxes
+SET status = $2,
+    last_updated = NOW()
+WHERE id = ANY($1::text[]);