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import * as sql from 'mssql'
import { ErrorUtils } from '../../../utils/error'
const $error = new ErrorUtils()
// Types
export type TMSSQLDBConfig = {
server: string
database: string
user?: string
password?: string
port?: number
connectionString?: string
options?: {
encrypt?: boolean
trustServerCertificate?: boolean
// Other connection options
}
}
export type TMSSQLAdapterConfig = {
dbConfig?: Record<string, TMSSQLDBConfig>
defaultConfig?: TMSSQLDBConfig
}
// Base props interface with serviceType
export interface TMSSQLBaseProps {
serviceType: string // e.g., 'users', 'teams', 'events', etc.
}
export type TMSSQLQueryProps = TMSSQLBaseProps & {
query: string
params?: Record<string, any>
}
export type TMSSQLGetRowProps = TMSSQLBaseProps & {
table: string
columns?: string[]
where?: Record<string, any>
}
export type TMSSQLGetRowsProps = TMSSQLBaseProps & {
table: string
columns?: string[]
where?: Record<string, any>
orderBy?: string | string[]
limit?: number
offset?: number
}
export type TMSSQLInsertRowProps = TMSSQLBaseProps & {
table: string
data: Record<string, any>
returnInserted?: boolean
}
export type TMSSQLUpdateRowProps = TMSSQLBaseProps & {
table: string
data: Record<string, any>
where: Record<string, any>
returnUpdated?: boolean
}
export type TMSSQLDeleteRowProps = TMSSQLBaseProps & {
table: string
where: Record<string, any>
returnDeleted?: boolean
}
export type TMSSQLBatchProps = TMSSQLBaseProps & {
queries: {
query: string
params?: Record<string, any>
}[]
}
// Connection pool management
const connectionPools = new Map<string, sql.ConnectionPool>()
let adapterConfig: TMSSQLAdapterConfig = {}
/**
* Initialize the SQL adapter with configuration
* @param config Configuration for different service types
*/
export const initializeSQLAdapter = (config: TMSSQLAdapterConfig): void => {
adapterConfig = config
}
/**
* Get or create a connection pool for a specific service type
* @param serviceType The type of service/database to connect to
* @returns A connected SQL connection pool
*/
export const getConnection = async (
serviceType: string
): Promise<sql.ConnectionPool> => {
try {
// Check if connection exists and is connected
if (connectionPools.has(serviceType)) {
const pool = connectionPools.get(serviceType)
if (pool && pool.connected) {
return pool
}
}
// Get config for this service type
const config =
adapterConfig.dbConfig?.[serviceType] || adapterConfig.defaultConfig
if (!config) {
throw new Error(
`No database configuration found for service type: ${serviceType}`
)
}
// Create new connection
const pool = new sql.ConnectionPool(config)
await pool.connect()
connectionPools.set(serviceType, pool)
return pool
} catch (error) {
throw $error.errorHandler({ error })
}
}
/**
* Close all database connections
*/
export const disconnectAll = async (): Promise<void> => {
try {
const closePromises: Promise<void>[] = []
// Fix iteration issue by converting entries() to Array first
Array.from(connectionPools.entries()).forEach(([_, pool]) => {
if (pool && pool.connected) {
closePromises.push(pool.close());
}
});
await Promise.all(closePromises)
connectionPools.clear()
} catch (error) {
throw $error.errorHandler({ error })
}
}
/**
* Execute a raw SQL query
* @param props Query properties including service type, SQL query, and parameters
* @returns Query results
*/
export const query = async (props: TMSSQLQueryProps): Promise<any> => {
try {
const { serviceType, query, params = {} } = props
const pool = await getConnection(serviceType)
const request = pool.request()
// Add parameters to request
Object.entries(params).forEach(([key, value]) => {
request.input(key, value)
})
const result = await request.query(query)
return result.recordset
} catch (error) {
throw $error.errorHandler({ error })
}
}
/**
* Get a single row from a table
* @param props Properties including service type, table, columns, and where conditions
* @returns The first matching row or null if not found
*/
export const getRow = async (props: TMSSQLGetRowProps): Promise<any> => {
try {
const { serviceType, table, columns = ['*'], where = {} } = props
// Build query
const columnsStr = columns.join(', ')
let whereClause = ''
const params: Record<string, any> = {}
if (Object.keys(where).length > 0) {
const whereParts: string[] = []
Object.entries(where).forEach(([key, value], index) => {
const paramName = `p${index}`
whereParts.push(`${key} = @${paramName}`)
params[paramName] = value
})
whereClause = `WHERE ${whereParts.join(' AND ')}`
}
const sql = `SELECT TOP 1 ${columnsStr} FROM ${table} ${whereClause}`
const results = await query({
serviceType,
query: sql,
params,
})
return results.length > 0 ? results[0] : null
} catch (error) {
throw $error.errorHandler({ error })
}
}
/**
* Get multiple rows from a table
* @param props Properties including service type, table, columns, where conditions, ordering, and pagination
* @returns Array of matching rows
*/
export const getRows = async (props: TMSSQLGetRowsProps): Promise<any[]> => {
try {
const {
serviceType,
table,
columns = ['*'],
where = {},
orderBy = [],
limit,
offset,
} = props
// Build query
const columnsStr = columns.join(', ')
let whereClause = ''
const params: Record<string, any> = {}
if (Object.keys(where).length > 0) {
const whereParts: string[] = []
Object.entries(where).forEach(([key, value], index) => {
const paramName = `p${index}`
whereParts.push(`${key} = @${paramName}`)
params[paramName] = value
})
whereClause = `WHERE ${whereParts.join(' AND ')}`
}
// Build ORDER BY clause
let orderByClause = ''
if (orderBy && (Array.isArray(orderBy) ? orderBy.length > 0 : orderBy)) {
const orders: string[] = Array.isArray(orderBy) ? orderBy : [orderBy]
orderByClause = `ORDER BY ${orders.join(', ')}`
}
// Build pagination
let paginationClause = ''
if (limit !== undefined) {
paginationClause = `OFFSET ${offset || 0} ROWS FETCH NEXT ${limit} ROWS ONLY`
// If we have pagination but no ordering, add a default order by
if (!orderByClause) {
orderByClause = 'ORDER BY (SELECT NULL)'
}
}
const sqlQuery = `
SELECT ${columnsStr}
FROM ${table}
${whereClause}
${orderByClause}
${paginationClause}
`.trim()
return await query({
serviceType,
query: sqlQuery,
params,
})
} catch (error) {
throw $error.errorHandler({ error })
}
}
/**
* Insert a row into a table
* @param props Properties including service type, table, data, and whether to return the inserted row
* @returns The ID of the inserted row or the full inserted row if returnInserted is true
*/
export const insertRow = async (props: TMSSQLInsertRowProps): Promise<any> => {
try {
const { serviceType, table, data, returnInserted = false } = props
const columns = Object.keys(data)
const paramNames = columns.map((_, i) => `@p${i}`)
const params: Record<string, any> = {}
columns.forEach((col, i) => {
params[`p${i}`] = data[col]
})
let sqlQuery = `
INSERT INTO ${table} (${columns.join(', ')})
VALUES (${paramNames.join(', ')})
`
if (returnInserted) {
sqlQuery += '; SELECT SCOPE_IDENTITY() AS id'
}
const result = await query({
serviceType,
query: sqlQuery,
params,
})
if (returnInserted && result.length > 0) {
const id = result[0].id
if (id) {
return await getRow({
serviceType,
table,
where: { id },
})
}
}
return result
} catch (error) {
throw $error.errorHandler({ error })
}
}
/**
* Update rows in a table
* @param props Properties including service type, table, data, where conditions, and whether to return updated rows
* @returns Boolean success indicator or the updated rows if returnUpdated is true
*/
export const updateRow = async (props: TMSSQLUpdateRowProps): Promise<any> => {
try {
const { serviceType, table, data, where, returnUpdated = false } = props
// Build SET clause
const setParts: string[] = []
const params: Record<string, any> = {}
Object.entries(data).forEach(([key, value], index) => {
const paramName = `set${index}`
setParts.push(`${key} = @${paramName}`)
params[paramName] = value
})
// Build WHERE clause
const whereParts: string[] = []
Object.entries(where).forEach(([key, value], index) => {
const paramName = `where${index}`
whereParts.push(`${key} = @${paramName}`)
params[paramName] = value
})
const sqlQuery = `
UPDATE ${table}
SET ${setParts.join(', ')}
WHERE ${whereParts.join(' AND ')}
`
await query({
serviceType,
query: sqlQuery,
params,
})
if (returnUpdated) {
return await getRows({
serviceType,
table,
where,
})
}
return true
} catch (error) {
throw $error.errorHandler({ error })
}
}
/**
* Delete rows from a table
* @param props Properties including service type, table, where conditions, and whether to return deleted rows
* @returns Boolean success indicator or the deleted rows if returnDeleted is true
*/
export const deleteRow = async (props: TMSSQLDeleteRowProps): Promise<any> => {
try {
const { serviceType, table, where, returnDeleted = false } = props
let deletedRows
if (returnDeleted) {
deletedRows = await getRows({
serviceType,
table,
where,
})
}
// Build WHERE clause
const whereParts: string[] = []
const params: Record<string, any> = {}
Object.entries(where).forEach(([key, value], index) => {
const paramName = `p${index}`
whereParts.push(`${key} = @${paramName}`)
params[paramName] = value
})
const sqlQuery = `
DELETE FROM ${table}
WHERE ${whereParts.join(' AND ')}
`
await query({
serviceType,
query: sqlQuery,
params,
})
return returnDeleted ? deletedRows : true
} catch (error) {
throw $error.errorHandler({ error })
}
}
/**
* Execute multiple queries in a transaction
* @param serviceType The service type to connect to
* @param callback Function that receives a transaction object and executes queries
* @returns Result of the callback function
*/
export const withTransaction = async (
serviceType: string,
callback: (transaction: sql.Transaction) => Promise<any>
): Promise<any> => {
const pool = await getConnection(serviceType)
const transaction = new sql.Transaction(pool)
try {
await transaction.begin()
const result = await callback(transaction)
await transaction.commit()
return result
} catch (error) {
await transaction.rollback()
throw $error.errorHandler({ error })
}
}
/**
* Execute a batch of queries in a single request
* @param props Properties including service type and an array of queries
* @returns Array of results for each query
*/
export const executeBatch = async (props: TMSSQLBatchProps): Promise<any[]> => {
return await withTransaction(props.serviceType, async (transaction) => {
const results: any[] = []
for (const queryInfo of props.queries) {
const request = transaction.request()
// Add parameters to request
if (queryInfo.params) {
Object.entries(queryInfo.params).forEach(([key, value]) => {
request.input(key, value)
})
}
const result = await request.query(queryInfo.query)
results.push(result.recordset)
}
return results
})
}
/**
* Get the count of rows in a table matching the given conditions
* @param props Properties including service type, table, and where conditions
* @returns The count of matching rows
*/
export const getRowCount = async (props: TMSSQLGetRowProps): Promise<number> => {
try {
const { serviceType, table, where = {} } = props
// Build query
let whereClause = ''
const params: Record<string, any> = {}
if (Object.keys(where).length > 0) {
const whereParts: string[] = []
Object.entries(where).forEach(([key, value], index) => {
const paramName = `p${index}`
whereParts.push(`${key} = @${paramName}`)
params[paramName] = value
})
whereClause = `WHERE ${whereParts.join(' AND ')}`
}
const sqlQuery = `SELECT COUNT(*) AS count FROM ${table} ${whereClause}`
const results = await query({
serviceType,
query: sqlQuery,
params,
})
return results[0].count
} catch (error) {
throw $error.errorHandler({ error })
}
}
// Export all functions
export default {
initializeSQLAdapter,
getConnection,
disconnectAll,
query,
getRow,
getRows,
getRowCount,
insertRow,
updateRow,
deleteRow,
withTransaction,
executeBatch,
}
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