Begin fleshing out user permissions

db/newsgroup.sql

@@ -1,14 +1,5 @@
 begin transaction;
 
-create server_user (
-    id       INTEGER PRIMARY KEY NOT NULL,
-    active   BOOLEAN NOT NULL DEFAULT TRUE,
-    username TEXT NOT NULL,
-    password TEXT,
-    fullname TEXT,
-    mail     TEXT NOT NULL
-);
-
 create table newsgroup (
     id          INTEGER PRIMARY KEY NOT NULL,
     created_on  DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
@@ -38,4 +29,32 @@ create index newsgroup_message_newsgroup_date_idx on newsgroup_message (
     newsgroup_id, created_on
 );
 
+create table server_permission (
+    id   INTEGER PRIMARY KEY NOT NULL,
+    name TEXT NOT NULL
+);
+
+insert into server_permission values
+    (1, 'READ'),
+    (2, 'POST'),
+    (3, 'KILL');
+
+create table server_user (
+    id       INTEGER PRIMARY KEY NOT NULL,
+    active   BOOLEAN NOT NULL DEFAULT TRUE,
+    username TEXT NOT NULL,
+    password TEXT,
+    fullname TEXT,
+    mail     TEXT NOT NULL
+);
+
+create table server_user_permission (
+    permission_id INTEGER NOT NULL,
+    user_id       INTEGER NOT NULL,
+
+    UNIQUE(permission_id, user_id),
+    FOREIGN KEY(permission_id) REFERENCES server_permission(id),
+    FOREIGN KEY(user_id)       REFERENCES server_user(id)
+);
+
 commit;