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Copy pathindex.ts
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557 lines (496 loc) Β· 24.9 KB
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import betterSqlite3 from 'better-sqlite3';
import { IAdminForthDataSourceConnector, IAdminForthSingleFilter, IAdminForthAndOrFilter, AdminForthResource, AdminForthResourceColumn, AdminForthConfig, IAggregationRule, IGroupByRule, IGroupByDateTrunc, IGroupByField, AdminForthBaseConnector } from 'adminforth';
import { IAdminForthSort } from 'adminforth';
import dayjs from 'dayjs';
import { AdminForthDataTypes, AdminForthFilterOperators, AdminForthSortDirections } from 'adminforth';
import { dbLogger, afLogger } from 'adminforth';
type AnyRow = Record<string, any>;
class SQLiteConnector extends AdminForthBaseConnector implements IAdminForthDataSourceConnector {
async setupClient(url: string): Promise<void> {
this.client = betterSqlite3(url.replace('sqlite://', ''));
this.client.aggregate('median', {
start: (): number[] => [],
step: (acc: number[], val: any) => {
if (val != null) acc.push(Number(val));
},
result: (acc: number[]): number | null => {
if (acc.length === 0) return null;
const sorted = acc.slice().sort((a, b) => a - b);
const mid = Math.floor(sorted.length / 2);
return sorted.length % 2 === 0
? (sorted[mid - 1] + sorted[mid]) / 2
: sorted[mid];
},
});
}
async getAllTables(): Promise<Array<string>> {
const stmt = this.client.prepare(
`SELECT name FROM sqlite_master WHERE type='table' AND name NOT LIKE 'sqlite_%';`
);
const rows = stmt.all() as AnyRow[];
return rows.map((row: AnyRow) => row.name);
}
async getAllColumnsInTable(tableName: string): Promise<Array<{ name: string; sampleValue?: any }>> {
const stmt = this.client.prepare(`PRAGMA table_info(${tableName});`);
const columns = stmt.all() as AnyRow[];
const orderByField = columns.find((c: AnyRow) => ['created_at', 'id'].includes(c.name))?.name;
let sampleRow: AnyRow = {};
if (orderByField) {
const rowStmt = this.client.prepare(`SELECT * FROM ${tableName} ORDER BY ${orderByField} DESC LIMIT 1`);
sampleRow = rowStmt.get() || {};
} else {
const rowStmt = this.client.prepare(`SELECT * FROM ${tableName} LIMIT 1`);
sampleRow = rowStmt.get() || {};
}
return columns.map((col: AnyRow) => ({
name: col.name || '',
sampleValue: sampleRow[col.name],
}));
}
async hasSQLiteCascadeFk(resource: AdminForthResource, config: AdminForthConfig): Promise<boolean> {
const cascadeColumn: any = resource.columns?.find(c => c.foreignResource?.onDelete === 'cascade');
if (!cascadeColumn) return false;
const parentResource = config.resources.find(r => r.resourceId === cascadeColumn.foreignResource.resourceId);
if (!parentResource) return false;
const fkStmt = this.client.prepare(`PRAGMA foreign_key_list(${resource.table})`);
const fkRows = await fkStmt.all() as AnyRow[];
const fkMap: { [colName: string]: boolean } = {};
fkRows.forEach((fk: AnyRow) => { fkMap[fk.from] = fk.on_delete?.toUpperCase() === 'CASCADE'; });
const hasCascadeOnTable = fkMap[cascadeColumn.name] || false;
const isUploadPluginInstalled = resource.plugins?.some(p => p.className === "UploadPlugin");
if (hasCascadeOnTable && isUploadPluginInstalled) {
afLogger.warn(`Table "${resource.table}" has ON DELETE CASCADE and UploadPlugin installed, which may conflict with adminForth cascade deletion`);
}
return hasCascadeOnTable;
}
async discoverFields(resource: AdminForthResource, config: AdminForthConfig): Promise<{[key: string]: AdminForthResourceColumn}> {
const tableName = resource.table;
const stmt = this.client.prepare(`PRAGMA table_info(${tableName})`);
const rows = await stmt.all() as AnyRow[];
await this.hasSQLiteCascadeFk(resource, config);
const fieldTypes: Record<string, any> = {};
rows.forEach((row: AnyRow) => {
const field: any = {};
const baseType = row.type.toLowerCase();
if (baseType == 'int' || baseType == 'integer') {
field.type = AdminForthDataTypes.INTEGER;
field._underlineType = 'int';
} else if (baseType.includes('varchar(')) {
field.type = AdminForthDataTypes.STRING;
field._underlineType = 'varchar';
const length = baseType.match(/\d+/);
field.maxLength = length ? parseInt(length[0]) : null;
} else if (baseType == 'text') {
field.type = AdminForthDataTypes.TEXT;
field._underlineType = 'text';
} else if (baseType.includes('decimal(')) {
field.type = AdminForthDataTypes.DECIMAL;
field._underlineType = 'decimal';
const [precision, scale] = baseType.match(/\d+/g);
field.precision = parseInt(precision);
field.scale = parseInt(scale);
} else if (baseType == 'json' || baseType == 'jsonb') {
field.type = AdminForthDataTypes.JSON;
field._underlineType = baseType;
} else if (baseType === 'decimal') {
field.type = AdminForthDataTypes.DECIMAL;
field._underlineType = 'decimal';
field.precision = 10;
field.scale = 2;
} else if (baseType == 'real') {
field.type = AdminForthDataTypes.FLOAT; //8-byte IEEE floating point number. It
field._underlineType = 'real';
} else if (baseType == 'timestamp') {
field.type = AdminForthDataTypes.DATETIME;
field._underlineType = 'timestamp';
} else if (baseType == 'boolean') {
field.type = AdminForthDataTypes.BOOLEAN;
field._underlineType = 'boolean';
} else if (baseType == 'datetime') {
field.type = AdminForthDataTypes.DATETIME;
field._underlineType = 'datetime';
} else {
field.type = 'unknown'
}
field._baseTypeDebug = baseType;
field.required = row.notnull == 1;
field.primaryKey = row.pk == 1;
field.default = row.dflt_value;
fieldTypes[row.name] = field
});
return fieldTypes;
}
getFieldValue(field: AdminForthResourceColumn, value: any): any {
if (field.type == AdminForthDataTypes.DATETIME) {
if (!value) {
return null;
}
if (field._underlineType == 'timestamp' || field._underlineType == 'int') {
return dayjs.unix(+value).toISOString();
} else if (field._underlineType == 'varchar') {
return dayjs(value).toISOString();
} else if (field._underlineType == 'datetime') {
return dayjs(value).toISOString();
} else {
throw new Error(`AdminForth does not support row type: ${field._underlineType} for timestamps, use VARCHAR (with iso strings) or TIMESTAMP/INT (with unix timestamps). Issue in field "${field.name}"`);
}
} else if (field.type == AdminForthDataTypes.DATE) {
if (!value) {
return null;
}
return dayjs(value).toISOString().split('T')[0];
} else if (field.type == AdminForthDataTypes.BOOLEAN) {
return value === null ? null : !!value;
} else if (field.type == AdminForthDataTypes.JSON) {
if (typeof value === 'string') {
try {
return JSON.parse(value);
} catch (e: any) {
return {'error': `Failed to parse JSON: ${e.message}`}
}
}
}
return value;
}
setFieldValue(field: AdminForthResourceColumn, value: any): any {
if (field.type == AdminForthDataTypes.DATETIME) {
if (!value) {
return null;
}
if (field._underlineType == 'timestamp' || field._underlineType == 'int') {
// value is iso string now, convert to unix timestamp
return dayjs(value).unix();
} else if (field._underlineType == 'varchar') {
// value is iso string now, convert to unix timestamp
return dayjs(value).toISOString();
} else {
return value;
}
}
else if (field.isArray?.enabled) {
if (value === null || value === undefined) {
return null;
}
return JSON.stringify(value);
} else if (field.type == AdminForthDataTypes.BOOLEAN) {
return value === null ? null : (value ? 1 : 0);
} else if (field.type == AdminForthDataTypes.JSON) {
if (value === null || value === undefined) {
return null;
}
return typeof value === 'string' ? value : JSON.stringify(value);
}
return value;
}
OperatorsMap = {
[AdminForthFilterOperators.EQ]: '=',
[AdminForthFilterOperators.NE]: '!=',
[AdminForthFilterOperators.GT]: '>',
[AdminForthFilterOperators.LT]: '<',
[AdminForthFilterOperators.GTE]: '>=',
[AdminForthFilterOperators.LTE]: '<=',
[AdminForthFilterOperators.LIKE]: 'LIKE',
[AdminForthFilterOperators.ILIKE]: 'ILIKE',
[AdminForthFilterOperators.IN]: 'IN',
[AdminForthFilterOperators.NIN]: 'NOT IN',
[AdminForthFilterOperators.AND]: 'AND',
[AdminForthFilterOperators.OR]: 'OR',
[AdminForthFilterOperators.IS_EMPTY]: 'IS NULL',
[AdminForthFilterOperators.IS_NOT_EMPTY]: 'IS NOT NULL',
};
SortDirectionsMap = {
[AdminForthSortDirections.asc]: 'ASC',
[AdminForthSortDirections.desc]: 'DESC',
};
getFilterString(filter: IAdminForthSingleFilter | IAdminForthAndOrFilter): string {
if ((filter as IAdminForthSingleFilter).field) {
// Field-to-field comparison support
if ((filter as IAdminForthSingleFilter).rightField) {
const left = (filter as IAdminForthSingleFilter).field;
const right = (filter as IAdminForthSingleFilter).rightField;
const operator = this.OperatorsMap[filter.operator as keyof typeof this.OperatorsMap];
return `${left} ${operator} ${right}`;
}
// filter is a Single filter
let placeholder = '?';
let field = (filter as IAdminForthSingleFilter).field;
let operator = this.OperatorsMap[filter.operator as keyof typeof this.OperatorsMap];
// Handle IS_EMPTY and IS_NOT_EMPTY operators
if (filter.operator == AdminForthFilterOperators.IS_EMPTY || filter.operator == AdminForthFilterOperators.IS_NOT_EMPTY) {
return `${field} ${operator}`;
} else if (filter.operator == AdminForthFilterOperators.IN || filter.operator == AdminForthFilterOperators.NIN) {
placeholder = `(${filter.value.map(() => '?').join(', ')})`;
} else if (filter.operator == AdminForthFilterOperators.ILIKE) {
placeholder = `LOWER(?)`;
field = `LOWER(${filter.field})`;
operator = 'LIKE';
} else if (filter.operator == AdminForthFilterOperators.NE) {
if (filter.value === null) {
operator = 'IS NOT';
placeholder = 'NULL';
} else {
// for not equal, we need to add a null check
// because nullish field will not match != value
placeholder = `${placeholder} OR ${field} IS NULL)`;
field = `(${field}`;
}
}
return `${field} ${operator} ${placeholder}`;
}
// filter is a single insecure raw sql
if ((filter as IAdminForthSingleFilter).insecureRawSQL) {
return (filter as IAdminForthSingleFilter).insecureRawSQL as string;
}
// filter is a AndOr filter
return (filter as IAdminForthAndOrFilter).subFilters.map((f) => {
if ((f as IAdminForthSingleFilter).field || (f as IAdminForthSingleFilter).insecureRawSQL) {
// subFilter is a Single filter
return this.getFilterString(f);
}
// subFilter is a AndOr filter - add parentheses
return `(${this.getFilterString(f) })`;
}).join(` ${this.OperatorsMap[filter.operator as keyof typeof this.OperatorsMap]} `);
}
getFilterParams(filter: IAdminForthSingleFilter | IAdminForthAndOrFilter): any[] {
if ((filter as IAdminForthSingleFilter).field) {
if ((filter as IAdminForthSingleFilter).rightField) {
// No params for field-to-field comparisons
return [];
}
// filter is a Single filter
// Handle IS_EMPTY and IS_NOT_EMPTY operators - no params needed
if (filter.operator == AdminForthFilterOperators.IS_EMPTY || filter.operator == AdminForthFilterOperators.IS_NOT_EMPTY) {
return [];
} else if (filter.operator == AdminForthFilterOperators.LIKE || filter.operator == AdminForthFilterOperators.ILIKE) {
return [`%${filter.value}%`];
} else if (filter.operator == AdminForthFilterOperators.IN || filter.operator == AdminForthFilterOperators.NIN) {
return filter.value;
} else {
return [(filter as IAdminForthSingleFilter).value];
}
}
// filter is a Single insecure raw sql
if ((filter as IAdminForthSingleFilter).insecureRawSQL) {
return [];
}
// filter is a AndOrFilter
return (filter as IAdminForthAndOrFilter).subFilters.reduce((params: any[], f: IAdminForthSingleFilter | IAdminForthAndOrFilter) => {
return params.concat(this.getFilterParams(f));
}, []);
}
whereClause(filter: IAdminForthAndOrFilter) {
return filter.subFilters.length ? `WHERE ${this.getFilterString(filter)}` : '';
}
private _dateGroupKey(rawValue: any, underlineType: string, truncation: string, timezone: string): string {
const date = (underlineType === 'timestamp' || underlineType === 'int')
? new Date(Number(rawValue) * 1000)
: new Date(rawValue);
const fmt = (opts: Intl.DateTimeFormatOptions) =>
new Intl.DateTimeFormat('en', { timeZone: timezone, ...opts }).formatToParts(date);
const get = (parts: Intl.DateTimeFormatPart[], type: string) =>
parts.find(p => p.type === type)?.value ?? '';
const dateParts = fmt({ year: 'numeric', month: '2-digit', day: '2-digit', weekday: 'short' });
const year = get(dateParts, 'year');
const month = get(dateParts, 'month');
const day = get(dateParts, 'day');
const dateStr = `${year}-${month}-${day}`;
switch (truncation) {
case 'day': return dateStr;
case 'week': {
const dowMap: Record<string, number> = { Sun: 0, Mon: 1, Tue: 2, Wed: 3, Thu: 4, Fri: 5, Sat: 6 };
const dow = dowMap[get(dateParts, 'weekday')] ?? 0;
const daysBack = dow === 0 ? 6 : dow - 1; // rewind to Monday (ISO)
const [y, m, d] = dateStr.split('-').map(Number);
return new Date(Date.UTC(y, m - 1, d - daysBack)).toISOString().split('T')[0];
}
case 'month': return `${year}-${month}-01`;
case 'year': return `${year}-01-01`;
default: return dateStr;
}
}
async getAggregateWithOriginalTypes({ resource, filters, aggregations, groupBy }: {
resource: AdminForthResource,
filters: IAdminForthAndOrFilter,
aggregations: { [alias: string]: IAggregationRule },
groupBy?: IGroupByRule | IGroupByRule[],
}): Promise<Array<{ group?: string, [key: string]: any }>> {
const tableName = resource.table;
const where = this.whereClause(filters);
const filterValues = this.getFilterParams(filters);
const groupByRules = this.normalizeGroupByRules(groupBy);
if (groupByRules.every(g => g.type === 'field')) {
const selectParts: string[] = [];
const groupExprs: string[] = [];
for (const [index, groupByRule] of groupByRules.entries()) {
const g = groupByRule as IGroupByField;
const groupExpr = `"${g.field}"`;
groupExprs.push(groupExpr);
selectParts.push(`${groupExpr} AS "${this.getGroupByResultAlias(groupByRule, index, groupByRules.length)}"`);
}
for (const [alias, rule] of Object.entries(aggregations)) {
switch (rule.operation) {
case 'sum': selectParts.push(`SUM("${rule.field}") AS "${alias}"`); break;
case 'count': selectParts.push(`COUNT(*) AS "${alias}"`); break;
case 'count_distinct': selectParts.push(`COUNT(DISTINCT "${rule.field}") AS "${alias}"`); break;
case 'avg': selectParts.push(`AVG("${rule.field}") AS "${alias}"`); break;
case 'min': selectParts.push(`MIN("${rule.field}") AS "${alias}"`); break;
case 'max': selectParts.push(`MAX("${rule.field}") AS "${alias}"`); break;
case 'median': selectParts.push(`median("${rule.field}") AS "${alias}"`); break;
}
}
let query = `SELECT ${selectParts.join(', ')} FROM ${tableName} ${where}`;
if (groupExprs.length) query += ` GROUP BY ${groupExprs.join(', ')} ORDER BY ${groupExprs.join(', ')} ASC`;
dbLogger.trace(`πͺ²π SQLITE AGG Q: ${query}, params: ${JSON.stringify(filterValues)}`);
return this.client.prepare(query).all([...filterValues]);
}
const neededFields = new Set<string>();
for (const groupByRule of groupByRules) neededFields.add(groupByRule.field);
for (const rule of Object.values(aggregations)) {
if (rule.field) neededFields.add(rule.field);
}
const selectCols = [...neededFields].map(f => `"${f}"`).join(', ');
const rawQuery = `SELECT ${selectCols} FROM ${tableName} ${where}`;
dbLogger.trace(`πͺ²π SQLITE AGG RAW Q: ${rawQuery}, params: ${JSON.stringify(filterValues)}`);
const rawRows: any[] = this.client.prepare(rawQuery).all([...filterValues]);
const groups = new Map<string, any[]>();
const groupValues = new Map<string, Record<string, any>>();
for (const row of rawRows) {
const values: Record<string, any> = {};
for (const [index, groupByRule] of groupByRules.entries()) {
const alias = this.getGroupByResultAlias(groupByRule, index, groupByRules.length);
if (groupByRule.type === 'date_trunc') {
const g = groupByRule as IGroupByDateTrunc;
const col = resource.dataSourceColumns.find(c => c.name === g.field);
values[alias] = this._dateGroupKey(row[g.field], col?._underlineType ?? 'varchar', g.truncation, g.timezone ?? 'UTC');
} else {
values[alias] = row[(groupByRule as IGroupByField).field];
}
}
const key = JSON.stringify(values);
if (!groups.has(key)) groups.set(key, []);
if (!groupValues.has(key)) groupValues.set(key, values);
groups.get(key)!.push(row);
}
const results: Array<{ [key: string]: any }> = [];
for (const [groupKey, rows] of groups) {
const result: { [key: string]: any } = { ...groupValues.get(groupKey) };
for (const [alias, rule] of Object.entries(aggregations)) {
const values = rule.field ? rows.map(r => r[rule.field!]).filter(v => v !== null && v !== undefined) : [];
const nums = values.map(v => Number(v));
switch (rule.operation) {
case 'count': result[alias] = rows.length; break;
case 'count_distinct': result[alias] = new Set(values).size; break;
case 'sum': result[alias] = nums.reduce((s, v) => s + v, 0); break;
case 'avg': result[alias] = nums.reduce((s, x) => s + x, 0) / nums.length; break;
case 'min': result[alias] = Math.min(...nums); break;
case 'max': result[alias] = Math.max(...nums); break;
case 'median': {
const sorted = nums.slice().sort((a, b) => a - b);
const mid = Math.floor(sorted.length / 2);
result[alias] = sorted.length % 2 === 0
? (sorted[mid - 1] + sorted[mid]) / 2
: sorted[mid];
break;
}
}
}
results.push(result);
}
const sortAliases = groupByRules.map((rule, index) => this.getGroupByResultAlias(rule, index, groupByRules.length));
return results.sort((a, b) => sortAliases.map(alias => String(a[alias]).localeCompare(String(b[alias]))).find(result => result !== 0) ?? 0);
}
async getDataWithOriginalTypes({ resource, limit, offset, sort, filters, columns }: {
resource: AdminForthResource,
limit: number,
offset: number,
sort: IAdminForthSort[],
filters: IAdminForthAndOrFilter,
columns?: AdminForthResourceColumn[],
}): Promise<any[]> {
const selectedColumns = (columns ?? resource.dataSourceColumns).map((col: AdminForthResourceColumn) => col.name).join(', ');
const tableName = resource.table;
const where = this.whereClause(filters);
const filterValues = this.getFilterParams(filters);
const orderBy = sort.length ? `ORDER BY ${sort.map((s: IAdminForthSort) => `${s.field} ${this.SortDirectionsMap[s.direction]}`).join(', ')}` : '';
const q = `SELECT ${selectedColumns} FROM ${tableName} ${where} ${orderBy} LIMIT ? OFFSET ?`;
const stmt = this.client.prepare(q);
const d = [...filterValues, limit, offset];
dbLogger.trace(`πͺ²π SQLITE Q: ${q}, params: ${JSON.stringify(d)}`);
const rows = await stmt.all(d);
return rows.map((row: AnyRow) => {
const newRow: AnyRow = {};
for (const [key, value] of Object.entries(row)) {
newRow[key] = value;
}
return newRow;
})
}
async getCount({ resource, filters }: { resource: AdminForthResource, filters?: IAdminForthAndOrFilter }) {
let normalizedFilters = filters;
if (filters) {
// validate and normalize in case this method is called from dataAPI
const filterValidation = this.validateAndNormalizeFilters(filters, resource);
if (!filterValidation.ok) {
throw new Error(filterValidation.error);
}
normalizedFilters = filterValidation.normalizedFilters as IAdminForthAndOrFilter;
}
const tableName = resource.table;
const where = this.whereClause(normalizedFilters as IAdminForthAndOrFilter);
const filterValues = this.getFilterParams(normalizedFilters as IAdminForthAndOrFilter);
const q = `SELECT COUNT(*) FROM ${tableName} ${where}`;
dbLogger.trace(`πͺ²π SQLITE Q: ${q}, params: ${JSON.stringify(filterValues)}`);
const totalStmt = this.client.prepare(q);
return +totalStmt.get([...filterValues])['COUNT(*)'];
}
async getMinMaxForColumnsWithOriginalTypes({ resource, columns }: { resource: AdminForthResource, columns: AdminForthResourceColumn[] }): Promise<{ [key: string]: { min: any, max: any } }> {
const tableName = resource.table;
const result: { [key: string]: { min: any, max: any } } = {};
await Promise.all(columns.map(async (col) => {
const stmt = await this.client.prepare(`SELECT MIN(${col.name}) as min, MAX(${col.name}) as max FROM ${tableName}`);
const { min, max } = stmt.get();
result[col.name] = {
min, max,
};
}))
return result;
}
async createRecordOriginalValues({ resource, record }: { resource: AdminForthResource, record: any }): Promise<string> {
const tableName = resource.table;
const columns = Object.keys(record);
const placeholders = columns.map(() => '?').join(', ');
const values = columns.map((colName) => record[colName]);
const sql = `INSERT INTO ${tableName} (${columns.join(', ')}) VALUES (${placeholders})`;
const q = this.client.prepare(sql);
dbLogger.trace(`πͺ²π SQLITE Q: ${sql}, values: ${JSON.stringify(values)}`);
const ret = await q.run(values);
return ret.lastInsertRowid;
}
async updateRecordOriginalValues({ resource, recordId, newValues }: { resource: AdminForthResource, recordId: any, newValues: any }) {
const columnsWithPlaceholders = Object.keys(newValues).map((col) => `${col} = ?`);
const values = [...Object.values(newValues), recordId];
const q = `UPDATE ${resource.table} SET ${columnsWithPlaceholders} WHERE ${this.getPrimaryKey(resource)} = ?`;
dbLogger.trace(`πͺ²π SQLITE Q: ${q}, params: ${JSON.stringify(values)}`);
const query = this.client.prepare(q);
await query.run(values);
}
async deleteRecord({ resource, recordId }: { resource: AdminForthResource, recordId: any }): Promise<boolean> {
const q = this.client.prepare(`DELETE FROM ${resource.table} WHERE ${this.getPrimaryKey(resource)} = ?`);
const res = await q.run(recordId);
return res.changes > 0;
}
async deleteMany({ resource, recordIds }: { resource: AdminForthResource, recordIds: string[] }): Promise<number> {
if (!recordIds || recordIds.length === 0) {
return 0;
}
const placeholders = recordIds.map(() => '?').join(',');
const q = this.client.prepare(`DELETE FROM ${resource.table} WHERE ${this.getPrimaryKey(resource)} IN (${placeholders})`);
dbLogger.trace(`πͺ²π SQLITE Q: ${q}, params: ${JSON.stringify(recordIds)}`);
const res = await q.run(...recordIds);
return res.changes ?? 0;
}
close() {
this.client.close();
}
}
export default SQLiteConnector;