email syncyng
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@@ -0,0 +1,286 @@
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import { execFileSync } from 'node:child_process';
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import { existsSync } from 'node:fs';
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type ToolResult = {
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content: Array<{ type: string; text: string }>;
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isError?: boolean;
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};
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type Params = {
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action: string;
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sql?: string;
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search?: string;
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domain?: string;
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sender?: string;
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before?: string;
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after?: string;
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content_type?: string;
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limit?: number;
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};
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const DEFAULT_LIMIT = 20;
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const MAX_LIMIT = 100;
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function getDbPath(): string {
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return process.env.OFFICER_EMAIL_DB ?? '/officer/emails.db';
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}
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function sqlStr(v: string): string {
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return `'${v.replace(/'/g, "''")}'`;
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}
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function queryJson(sql: string): Record<string, unknown>[] {
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const output = execFileSync('sqlite3', ['-json', getDbPath()], {
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input: sql,
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encoding: 'utf-8',
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timeout: 10000,
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});
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const trimmed = output.trim();
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if (!trimmed) return [];
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return JSON.parse(trimmed);
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}
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function execAndCount(sql: string): number {
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const output = execFileSync('sqlite3', [getDbPath()], {
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input: `${sql};\nSELECT changes();`,
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encoding: 'utf-8',
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timeout: 10000,
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});
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return parseInt(output.trim(), 10) || 0;
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}
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function ok(text: string): ToolResult {
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return { content: [{ type: 'text', text }] };
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}
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function err(text: string): ToolResult {
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return { content: [{ type: 'text', text }], isError: true };
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}
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function formatRows(rows: Record<string, unknown>[], limit: number): string {
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if (rows.length === 0) return 'No results.';
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const cols = Object.keys(rows[0]!);
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const lines = rows.slice(0, limit).map((row, i) => {
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const fields = cols.map((c) => `${c}: ${row[c] ?? ''}`).join(' | ');
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return `${i + 1}. ${fields}`;
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});
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const header = `${rows.length} result${rows.length !== 1 ? 's' : ''}${rows.length > limit ? ` (showing first ${limit})` : ''}:`;
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return [header, '', ...lines].join('\n');
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}
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// ── Helpers ──
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function buildWhereClause(params: Params): string {
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const conditions: string[] = [];
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if (params.domain) {
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conditions.push(`from_domain = ${sqlStr(params.domain.toLowerCase())}`);
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}
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if (params.sender) {
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conditions.push(`from_address = ${sqlStr(params.sender.toLowerCase())}`);
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}
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if (params.before) {
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conditions.push(`date < ${sqlStr(params.before)}`);
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}
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if (params.after) {
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conditions.push(`date > ${sqlStr(params.after)}`);
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}
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if (params.search) {
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const escaped = sqlStr(`%${params.search}%`);
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conditions.push(`(subject LIKE ${escaped} OR from_address LIKE ${escaped} OR from_name LIKE ${escaped} OR snippet LIKE ${escaped})`);
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}
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return conditions.length > 0 ? `WHERE ${conditions.join(' AND ')}` : '';
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}
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function withActive(where: string): string {
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return where ? `${where} AND deleted = 0` : 'WHERE deleted = 0';
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}
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// ── Actions ──
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function runQuery(sql: string, limit: number): string {
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const trimmed = sql.trim().toLowerCase();
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if (!trimmed.startsWith('select')) {
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throw new Error('Only SELECT statements are allowed in query action.');
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}
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const rows = queryJson(sql);
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return formatRows(rows, limit);
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}
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function searchEmails(params: Params, limit: number): string {
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const where = withActive(buildWhereClause(params));
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const rows = queryJson(`SELECT id, from_name, from_address, subject, date, snippet, attachment_count FROM emails ${where} ORDER BY date DESC LIMIT ${limit}`);
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return formatRows(rows, limit);
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}
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function getStats(): string {
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const totalRows = queryJson('SELECT COUNT(*) as count FROM emails WHERE deleted = 0');
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const total = (totalRows[0]?.count as number) ?? 0;
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if (total === 0) return 'Email database is empty.';
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const dateRange = queryJson('SELECT MIN(date) as oldest, MAX(date) as newest FROM emails WHERE deleted = 0');
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const topDomains = queryJson('SELECT from_domain, COUNT(*) as count FROM emails WHERE deleted = 0 GROUP BY from_domain ORDER BY count DESC LIMIT 10');
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const topSenders = queryJson('SELECT from_address, from_name, COUNT(*) as count FROM emails WHERE deleted = 0 GROUP BY from_address ORDER BY count DESC LIMIT 10');
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const attRows = queryJson('SELECT COUNT(*) as count FROM emails WHERE deleted = 0 AND attachment_count > 0');
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const withAttachments = (attRows[0]?.count as number) ?? 0;
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const dr = dateRange[0] ?? {};
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const lines = [
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`**Email Database Statistics**`,
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``,
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`Total emails: ${total}`,
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`With attachments: ${withAttachments}`,
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`Date range: ${(dr.oldest as string)?.slice(0, 10)} to ${(dr.newest as string)?.slice(0, 10)}`,
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``,
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`**Top 10 Domains:**`,
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...topDomains.map((d, i) => `${i + 1}. ${d.from_domain} (${d.count})`),
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``,
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`**Top 10 Senders:**`,
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...topSenders.map((s, i) => `${i + 1}. ${s.from_name ? `${s.from_name} <${s.from_address}>` : s.from_address} (${s.count})`),
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];
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return lines.join('\n');
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}
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function countEmails(params: Params): string {
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const where = withActive(buildWhereClause(params));
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const rows = queryJson(`SELECT COUNT(*) as count FROM emails ${where}`);
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const count = (rows[0]?.count as number) ?? 0;
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const filters: string[] = [];
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if (params.domain) filters.push(`domain=${params.domain}`);
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if (params.sender) filters.push(`sender=${params.sender}`);
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if (params.before) filters.push(`before=${params.before}`);
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if (params.after) filters.push(`after=${params.after}`);
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if (params.search) filters.push(`search="${params.search}"`);
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const desc = filters.length > 0 ? ` matching ${filters.join(', ')}` : '';
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return `${count} email${count !== 1 ? 's' : ''}${desc}.`;
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}
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function listDomains(limit: number): string {
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const rows = queryJson(`SELECT from_domain, COUNT(*) as count FROM emails WHERE deleted = 0 GROUP BY from_domain ORDER BY count DESC LIMIT ${limit}`);
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if (rows.length === 0) return 'No emails in database.';
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const lines = rows.map((d, i) => `${i + 1}. ${d.from_domain} — ${d.count} email${(d.count as number) !== 1 ? 's' : ''}`);
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return [`**Sender Domains** (${rows.length}):`, '', ...lines].join('\n');
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}
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function listSenders(limit: number): string {
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const rows = queryJson(`SELECT from_address, from_name, COUNT(*) as count FROM emails WHERE deleted = 0 GROUP BY from_address ORDER BY count DESC LIMIT ${limit}`);
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if (rows.length === 0) return 'No emails in database.';
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const lines = rows.map((s, i) => {
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const display = s.from_name ? `${s.from_name} <${s.from_address}>` : s.from_address;
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return `${i + 1}. ${display} — ${s.count} email${(s.count as number) !== 1 ? 's' : ''}`;
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});
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return [`**Senders** (${rows.length}):`, '', ...lines].join('\n');
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}
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function listAttachmentTypes(limit: number): string {
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const rows = queryJson(`SELECT content_type, COUNT(*) as count FROM attachments a JOIN emails e ON a.email_id = e.id WHERE e.deleted = 0 GROUP BY content_type ORDER BY count DESC LIMIT ${limit}`);
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if (rows.length === 0) return 'No attachments in database.';
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const totalRows = queryJson('SELECT COUNT(*) as count FROM attachments a JOIN emails e ON a.email_id = e.id WHERE e.deleted = 0');
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const total = (totalRows[0]?.count as number) ?? 0;
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const lines = rows.map((r, i) => `${i + 1}. ${r.content_type} — ${r.count}`);
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return [`**Attachment Types** (${total} total):`, '', ...lines].join('\n');
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}
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function searchAttachments(params: Params, limit: number): string {
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const conditions: string[] = ['e.deleted = 0'];
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if (params.content_type) {
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const ct = params.content_type as string;
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if (ct.includes('/')) {
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conditions.push(`a.content_type = ${sqlStr(ct)}`);
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} else {
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conditions.push(`a.content_type LIKE ${sqlStr(ct + '/%')}`);
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}
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}
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if (params.domain) conditions.push(`e.from_domain = ${sqlStr(params.domain.toLowerCase())}`);
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if (params.sender) conditions.push(`e.from_address = ${sqlStr(params.sender.toLowerCase())}`);
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if (params.before) conditions.push(`e.date < ${sqlStr(params.before)}`);
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if (params.after) conditions.push(`e.date > ${sqlStr(params.after)}`);
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if (params.search) {
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const escaped = sqlStr(`%${params.search}%`);
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conditions.push(`(a.filename LIKE ${escaped} OR e.subject LIKE ${escaped})`);
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}
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const where = `WHERE ${conditions.join(' AND ')}`;
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const rows = queryJson(`SELECT a.filename, a.size, a.content_type, e.id as email_id, e.from_address, e.subject, e.date FROM attachments a JOIN emails e ON a.email_id = e.id ${where} ORDER BY e.date DESC LIMIT ${limit}`);
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return formatRows(rows, limit);
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}
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function deleteEmails(params: Params): string {
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const where = buildWhereClause(params);
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if (!where) {
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throw new Error('Delete requires at least one filter (domain, sender, before, after, or search).');
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}
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const activeWhere = withActive(where);
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const countRows = queryJson(`SELECT COUNT(*) as count FROM emails ${activeWhere}`);
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const count = (countRows[0]?.count as number) ?? 0;
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if (count === 0) return 'No emails match the given filters.';
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const changes = execAndCount(`UPDATE emails SET deleted = 1 ${activeWhere}`);
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return `Deleted ${changes} email${changes !== 1 ? 's' : ''}.`;
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}
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// ── Main ──
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export async function execute(_toolCallId: string, params: Params): Promise<ToolResult> {
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const limit = Math.min(params.limit ?? DEFAULT_LIMIT, MAX_LIMIT);
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const dbPath = getDbPath();
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if (!existsSync(dbPath)) {
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return err(`Email database not found at ${dbPath}. Has Gmail been synced?`);
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}
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try {
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switch (params.action) {
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case 'query':
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if (!params.sql) return err('sql parameter is required for query action.');
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return ok(runQuery(params.sql, limit));
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case 'search':
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if (!params.search && !params.domain && !params.sender && !params.before && !params.after) {
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return err('At least one filter is required: search, domain, sender, before, or after.');
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}
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return ok(searchEmails(params, limit));
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case 'stats':
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return ok(getStats());
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case 'count':
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return ok(countEmails(params));
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case 'domains':
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return ok(listDomains(limit));
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case 'senders':
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return ok(listSenders(limit));
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case 'attachment-types':
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return ok(listAttachmentTypes(limit));
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case 'attachments':
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if (!params.content_type && !params.search && !params.domain && !params.sender && !params.before && !params.after) {
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return err('At least one filter is required: content_type, search, domain, sender, before, or after.');
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}
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return ok(searchAttachments(params, limit));
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case 'delete':
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return ok(deleteEmails(params));
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default:
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return err(`Unknown action: "${params.action}". Available: query, search, stats, count, domains, senders, attachments, attachment-types, delete.`);
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}
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} catch (e) {
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return err(`Email DB error: ${e instanceof Error ? e.message : String(e)}`);
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}
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}
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