379 lines
14 KiB
TypeScript
379 lines
14 KiB
TypeScript
import { createHash } from 'node:crypto';
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import { db } from '../db/index.js';
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import { config, type ArtifactKind } from '../config.js';
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export type { ArtifactKind };
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export const ARTIFACT_KINDS: ReadonlyArray<ArtifactKind> = ['script', 'config', 'plugin', 'baseline'];
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export function isArtifactKind(v: unknown): v is ArtifactKind {
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return typeof v === 'string' && (ARTIFACT_KINDS as readonly string[]).includes(v);
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}
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export type ScopeType = 'game' | 'map';
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export interface ScriptRow {
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id: number;
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name: string;
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target_rel_path: string;
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scope_type: ScopeType | null;
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scope_value: string | null;
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current_version_id: number | null;
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kind: ArtifactKind;
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created_at: string;
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}
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export type ScriptVersionState = 'untested' | 'tested' | 'test-failed';
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export interface ScriptVersionRow {
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id: number;
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script_id: number;
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version: number;
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sha256: string;
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size: number;
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content: Buffer;
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notes: string | null;
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state: ScriptVersionState;
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kind: ArtifactKind;
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uploaded_at: string;
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}
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// The script name is the primary user-facing identifier; slugify to derive a
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// URL-safe form. Same rules as the old beta slugify — lowercase, letters + digits.
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export function slugify(name: string): string {
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return name
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.toLowerCase()
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.replace(/[^a-z0-9]+/g, '-')
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.replace(/^-+|-+$/g, '');
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}
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export class ScriptError extends Error {
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constructor(
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message: string,
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public readonly kind:
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| 'name-empty'
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| 'name-taken'
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| 'path-empty'
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| 'no-such-script'
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| 'no-such-version'
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| 'scope-requires-beta'
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| 'invalid-scope'
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| 'in-use-current'
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| 'in-use-beta'
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| 'has-scope'
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| 'has-active-beta'
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| 'invalid-kind'
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| 'baseline-requires-scope'
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| 'baseline-exists'
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| 'empty-overlay'
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) {
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super(message);
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}
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}
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function sha256(buf: Buffer): string {
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return createHash('sha256').update(buf).digest('hex');
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}
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export function getScript(id: number): ScriptRow | undefined {
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return db().prepare('SELECT * FROM scripts WHERE id = ?').get(id) as ScriptRow | undefined;
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}
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export function getScriptByName(name: string): ScriptRow | undefined {
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return db().prepare('SELECT * FROM scripts WHERE name = ?').get(name) as ScriptRow | undefined;
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}
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export function listScripts(kind?: ArtifactKind): ScriptRow[] {
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if (kind) {
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return db().prepare('SELECT * FROM scripts WHERE kind = ? ORDER BY name').all(kind) as ScriptRow[];
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}
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return db().prepare('SELECT * FROM scripts ORDER BY name').all() as ScriptRow[];
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}
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// Look up the current baseline for a given scope. Baselines have exactly one
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// current_version_id after their first promote; before that they are still
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// gated through the beta pipeline. `includeUntested` returns the baseline row
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// even without a promoted version (used at beta-open time when the baseline is
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// being introduced in the same beta as the overlays).
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export function getBaselineForScope(scopeType: ScopeType, scopeValue: string): ScriptRow | undefined {
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return db()
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.prepare(
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`SELECT * FROM scripts
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WHERE kind = 'baseline' AND scope_type = ? AND scope_value = ?
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LIMIT 1`
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)
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.get(scopeType, scopeValue) as ScriptRow | undefined;
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}
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// All promoted config overlays for a scope. `exceptScriptIds` lets callers
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// skip overlays whose new version is bundled in a beta — avoids applying the
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// prior version twice when composing.
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export function listPromotedOverlaysForScope(
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scopeType: ScopeType,
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scopeValue: string,
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exceptScriptIds: number[] = []
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): ScriptRow[] {
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const rows = db()
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.prepare(
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`SELECT * FROM scripts
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WHERE kind = 'config'
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AND scope_type = ?
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AND scope_value = ?
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AND current_version_id IS NOT NULL
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ORDER BY id`
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)
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.all(scopeType, scopeValue) as ScriptRow[];
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if (exceptScriptIds.length === 0) return rows;
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const skip = new Set(exceptScriptIds);
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return rows.filter((r) => !skip.has(r.id));
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}
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export function listVersions(scriptId: number): ScriptVersionRow[] {
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return db()
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.prepare('SELECT * FROM script_versions WHERE script_id = ? ORDER BY version DESC')
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.all(scriptId) as ScriptVersionRow[];
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}
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export function getVersion(id: number): ScriptVersionRow | undefined {
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return db().prepare('SELECT * FROM script_versions WHERE id = ?').get(id) as
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| ScriptVersionRow
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| undefined;
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}
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// Latest version is 'max(version)' — used everywhere we want the freshest
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// upload, whether or not it has been promoted (current_version_id).
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export function getLatestVersion(scriptId: number): ScriptVersionRow | undefined {
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return db()
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.prepare('SELECT * FROM script_versions WHERE script_id = ? ORDER BY version DESC LIMIT 1')
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.get(scriptId) as ScriptVersionRow | undefined;
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}
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export interface CreateScriptInput {
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name: string;
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/** Optional: defaults to the upload filename for script/plugin, and to
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* the configured config target file for config/baseline. */
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targetRelPath?: string;
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scopeType?: ScopeType | null;
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scopeValue?: string | null;
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content: Buffer;
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notes?: string;
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/** Defaults to 'script' for back-compat with existing callers. */
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kind?: ArtifactKind;
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}
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// Insert script + version 1 in one transaction. Scope may be set at creation
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// because the script has no current_version_id yet (nothing to gate).
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export function createScript(input: CreateScriptInput): { script: ScriptRow; version: ScriptVersionRow } {
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if (!input.name.trim()) throw new ScriptError('script name is required', 'name-empty');
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const kind: ArtifactKind = input.kind ?? 'script';
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if (!isArtifactKind(kind)) throw new ScriptError(`invalid kind: ${input.kind}`, 'invalid-kind');
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// Target file defaulting per kind. Configs and baselines all compose into
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// the same on-disk cfg file, so the operator never picks it.
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let targetRelPath = input.targetRelPath?.trim() ?? '';
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if (!targetRelPath && (kind === 'config' || kind === 'baseline')) {
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targetRelPath = config.configTargetFile;
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}
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if (!targetRelPath) throw new ScriptError('target rel path is required', 'path-empty');
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// Kind-specific validation.
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if (kind === 'baseline') {
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if (!input.scopeType || !input.scopeValue) {
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throw new ScriptError('baselines require a scope (game or map)', 'baseline-requires-scope');
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}
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if (getBaselineForScope(input.scopeType, input.scopeValue)) {
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throw new ScriptError(
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`a baseline already exists for ${input.scopeType}=${input.scopeValue}`,
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'baseline-exists'
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);
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}
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}
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if (kind === 'config') {
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if (!input.scopeType || !input.scopeValue) {
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throw new ScriptError('config overlays require a scope', 'invalid-scope');
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}
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// Reject empty or comment-only overlays — nothing to apply.
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const text = input.content.toString('utf8');
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if (!/^\s*set\s+\S+\s+/m.test(text)) {
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throw new ScriptError(
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'config overlay must contain at least one `set KEY VALUE` line',
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'empty-overlay'
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);
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}
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}
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validateScope(input.scopeType ?? null, input.scopeValue ?? null);
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if (getScriptByName(input.name)) throw new ScriptError(`script "${input.name}" already exists`, 'name-taken');
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const sha = sha256(input.content);
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const size = input.content.byteLength;
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const insertScript = db().prepare(
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`INSERT INTO scripts (name, target_rel_path, scope_type, scope_value, kind)
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VALUES (?, ?, ?, ?, ?)`
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);
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const insertVersion = db().prepare(
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`INSERT INTO script_versions (script_id, version, sha256, size, content, notes, kind)
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VALUES (?, 1, ?, ?, ?, ?, ?)`
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);
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let scriptId!: number;
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let versionId!: number;
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db().transaction(() => {
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const s = insertScript.run(input.name, targetRelPath, input.scopeType ?? null, input.scopeValue ?? null, kind);
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scriptId = Number(s.lastInsertRowid);
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const v = insertVersion.run(scriptId, sha, size, input.content, input.notes ?? null, kind);
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versionId = Number(v.lastInsertRowid);
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})();
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return {
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script: getScript(scriptId)!,
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version: getVersion(versionId)!
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};
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}
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export function uploadNewVersion(scriptId: number, content: Buffer, notes?: string): ScriptVersionRow {
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const script = getScript(scriptId);
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if (!script) throw new ScriptError(`no such script (id=${scriptId})`, 'no-such-script');
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if (script.kind === 'config') {
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const text = content.toString('utf8');
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if (!/^\s*set\s+\S+\s+/m.test(text)) {
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throw new ScriptError(
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'config overlay must contain at least one `set KEY VALUE` line',
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'empty-overlay'
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);
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}
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}
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const latest = getLatestVersion(scriptId);
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const nextVersion = (latest?.version ?? 0) + 1;
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const sha = sha256(content);
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const res = db()
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.prepare(
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`INSERT INTO script_versions (script_id, version, sha256, size, content, notes, kind)
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VALUES (?, ?, ?, ?, ?, ?, ?)`
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)
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.run(scriptId, nextVersion, sha, content.byteLength, content, notes ?? null, script.kind);
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return getVersion(Number(res.lastInsertRowid))!;
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}
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function validateScope(scopeType: ScopeType | null, scopeValue: string | null): void {
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if (scopeType === null && scopeValue === null) return;
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if (scopeType === 'game' || scopeType === 'map') {
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if (!scopeValue || !scopeValue.trim()) {
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throw new ScriptError(`scope_value required for scope_type=${scopeType}`, 'invalid-scope');
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}
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return;
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}
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throw new ScriptError(`unknown scope_type: ${scopeType}`, 'invalid-scope');
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}
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export interface SetScopeInput {
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scriptId: number;
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scopeType: ScopeType | null;
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scopeValue: string | null;
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}
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// Setting or changing a scope while the script already has a promoted version
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// requires a beta first (per plan §"Beta trigger"). Un-scoping is free.
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export function setScope(input: SetScopeInput): ScriptRow {
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const script = getScript(input.scriptId);
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if (!script) throw new ScriptError(`no such script (id=${input.scriptId})`, 'no-such-script');
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validateScope(input.scopeType, input.scopeValue);
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const changed =
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input.scopeType !== script.scope_type || (input.scopeValue ?? null) !== (script.scope_value ?? null);
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const isSetOrChange = input.scopeType !== null && changed;
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if (isSetOrChange && script.current_version_id !== null) {
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throw new ScriptError(
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'setting or changing scope requires opening a beta first',
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'scope-requires-beta'
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);
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}
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db()
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.prepare('UPDATE scripts SET scope_type = ?, scope_value = ? WHERE id = ?')
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.run(input.scopeType, input.scopeValue, input.scriptId);
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return getScript(input.scriptId)!;
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}
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// Version delete is metadata-only: it never touches server disks. But deleting
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// the current version or a version referenced by a running beta would break
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// downstream state, so those are blocked.
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export function deleteVersion(versionId: number): void {
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const version = getVersion(versionId);
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if (!version) throw new ScriptError(`no such version (id=${versionId})`, 'no-such-version');
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const script = getScript(version.script_id)!;
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if (script.current_version_id === versionId) {
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throw new ScriptError('cannot delete the current version', 'in-use-current');
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}
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const beta = db()
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.prepare(
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`SELECT b.id FROM betas b
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JOIN beta_scripts bs ON bs.beta_id = b.id
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WHERE bs.script_version_id = ? AND b.state = 'running' LIMIT 1`
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)
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.get(versionId) as { id: number } | undefined;
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if (beta) throw new ScriptError(`beta ${beta.id} is still running against this version`, 'in-use-beta');
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db().prepare('DELETE FROM script_versions WHERE id = ?').run(versionId);
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}
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export function deleteScript(scriptId: number): void {
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const script = getScript(scriptId);
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if (!script) throw new ScriptError(`no such script (id=${scriptId})`, 'no-such-script');
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if (script.scope_type !== null) {
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throw new ScriptError('un-set scope before deleting a script', 'has-scope');
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}
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const beta = db()
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.prepare(
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`SELECT b.id FROM betas b
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JOIN beta_scripts bs ON bs.beta_id = b.id
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WHERE bs.script_id = ? AND b.state = 'running' LIMIT 1`
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)
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.get(scriptId) as { id: number } | undefined;
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if (beta) throw new ScriptError(`beta ${beta.id} is still running against this script`, 'has-active-beta');
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db().prepare('DELETE FROM scripts WHERE id = ?').run(scriptId);
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}
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// Servers that match a script's scope. Empty for unscoped scripts — those are
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// only ever pushed to explicitly chosen beta targets.
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export function serversMatchingScope(scopeType: ScopeType | null, scopeValue: string | null): string[] {
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if (scopeType === null || scopeValue === null) return [];
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const rows = db()
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.prepare(`SELECT name FROM servers WHERE ${scopeType} = ? ORDER BY name`)
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.all(scopeValue) as Array<{ name: string }>;
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return rows.map((r) => r.name);
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}
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// Distinct game IDs present in the registered fleet. Powers the scope=game
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// dropdown so operators can only pick values that will match at least one
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// server.
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export function listDistinctGames(): string[] {
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const rows = db()
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.prepare(`SELECT DISTINCT game FROM servers WHERE game IS NOT NULL AND game <> '' ORDER BY game`)
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.all() as Array<{ game: string }>;
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return rows.map((r) => r.game);
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}
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// Distinct maps grouped by their game. Scope=map is chained (pick game → pick
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// map) so the UI can filter map options to those valid under the selected game.
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export function listMapsByGame(): Record<string, string[]> {
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const rows = db()
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.prepare(
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`SELECT DISTINCT game, map FROM servers
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WHERE game IS NOT NULL AND game <> '' AND map IS NOT NULL AND map <> ''
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ORDER BY game, map`
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)
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.all() as Array<{ game: string; map: string }>;
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const out: Record<string, string[]> = {};
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for (const r of rows) {
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(out[r.game] ??= []).push(r.map);
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}
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return out;
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}
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