feat: added basic command issuing

sparse-server/migrations/20250223030447_better_commands.sql

@@ -0,0 +1,49 @@
+DROP TABLE beacon_command_invocation;
+DROP TABLE beacon_command;
+
+CREATE TABLE beacon_file (
+    file_id varchar PRIMARY KEY NOT NULL,
+
+    file_name varchar,
+
+    beacon_source_id varchar,
+
+    FOREIGN KEY (beacon_source_id) REFERENCES beacon_instance
+);
+
+CREATE TABLE beacon_command (
+    command_id integer PRIMARY KEY AUTOINCREMENT NOT NULL,
+
+    cmd_type text check (cmd_type in ('update', 'exec', 'install', 'upload', 'download', 'chdir', 'ls')),
+
+    exec_command varchar,
+
+    install_target varchar,
+
+    upload_src varchar,
+
+    download_src varchar,
+    download_path varchar,
+
+    chdir_target varchar,
+
+    FOREIGN KEY (download_src) REFERENCES beacon_file
+);
+
+CREATE TABLE beacon_command_invocation (
+    beacon_id varchar NOT NULL,
+    command_id int NOT NULL,
+
+    issue_date int NOT NULL,
+
+    invoker_id int NOT NULL,
+
+    invocation_date int,
+    invocation_result varchar,
+
+    PRIMARY KEY (beacon_id, command_id),
+
+    FOREIGN KEY (command_id) REFERENCES beacon_command,
+    FOREIGN KEY (beacon_id) REFERENCES beacon_instance,
+    FOREIGN KEY (invoker_id) REFERENCES users
+);