重构通道管理逻辑，支持通过任务删除不同类型通道；引入 Asynq 处理异步任务；更新数据库结构以支持通道类型区分

scripts/sql/init.sql

@@ -1,22 +1,3 @@
--- 清空数据表
-do
-$$
-    declare
-        r record;
-    begin
-        for r in (
-            select
-                tablename
-            from
-                pg_tables
-            where
-                schemaname = 'public'
-        ) loop
-            execute 'DROP TABLE IF EXISTS ' || quote_ident(r.tablename) || ' CASCADE';
-        end loop;
-    end
-$$;
-
 -- ====================
 -- region 日志
 -- ====================
@@ -620,39 +601,39 @@ comment on column whitelist.deleted_at is '删除时间';
 -- channel
 drop table if exists channel cascade;
 create table channel (
-    id         serial primary key,
-    user_id    int          not null references "user" (id)
+    id          serial primary key,
+    user_id     int          not null references "user" (id)
         on update cascade
         on delete cascade,
-    proxy_id   int          not null references proxy (id) --
-        on update cascade                                  --
+    proxy_id    int          not null references proxy (id) --
+        on update cascade                                   --
         on delete set null,
-    edge_id    int          references edge (id)           --
-                                on update cascade          --
-                                on delete set null,
-    proxy_host varchar(255) not null default '',
-    proxy_port int          not null,
-    edge_host  varchar(255),
-    protocol   int,
-    auth_ip    bool         not null default false,
-    whitelists text,
-    auth_pass  bool         not null default false,
-    username   varchar(255),
-    password   varchar(255),
-    expiration timestamp    not null,
-    created_at timestamp             default current_timestamp,
-    updated_at timestamp             default current_timestamp,
-    deleted_at timestamp
+    edge_id     int          references edge (id)           --
+                                 on update cascade          --
+                                 on delete set null,
+    resource_id int          references resource (id)       --
+                                 on update cascade          --
+                                 on delete set null,
+    proxy_host  varchar(255) not null default '',
+    proxy_port  int          not null,
+    edge_host   varchar(255),
+    protocol    int,
+    auth_ip     bool         not null default false,
+    whitelists  text,
+    auth_pass   bool         not null default false,
+    username    varchar(255),
+    password    varchar(255),
+    expiration  timestamp    not null,
+    created_at  timestamp             default current_timestamp,
+    updated_at  timestamp             default current_timestamp,
+    deleted_at  timestamp
 );
 create index channel_user_id_index on channel (user_id);
 create index channel_proxy_id_index on channel (proxy_id);
 create index channel_edge_id_index on channel (edge_id);
-create index channel_proxy_host_index on channel (proxy_host);
-create index channel_proxy_port_index on channel (proxy_port);
-create index channel_edge_host_index on channel (edge_host);
+create index channel_resource_id_index on channel (resource_id);
 create index channel_auth_ip_index on channel (auth_ip);
 create index channel_auth_pass_index on channel (auth_pass);
-create index channel_username_index on channel (username);
 create index channel_expiration_index on channel (expiration);
 create index channel_deleted_at_index on channel (deleted_at);
 
@@ -662,6 +643,7 @@ comment on column channel.id is '通道ID';
 comment on column channel.user_id is '用户ID';
 comment on column channel.proxy_id is '代理ID';
 comment on column channel.edge_id is '节点ID';
+comment on column channel.resource_id is '套餐ID';
 comment on column channel.proxy_host is '代理地址';
 comment on column channel.proxy_port is '转发端口';
 comment on column channel.edge_host is '节点地址';