Edits history of script submission #22736 for ' New or Updated Record (servicenow)'

  • bunnative
    One script reply has been approved by the moderators
    Ap­pro­ved
    //native
    
    import * as wmill from "windmill-client"
    
    export type DynSelect_table = string
    
    function authHeader(auth: RT.Servicenow) {
      return auth.token
        ? `Bearer ${auth.token}`
        : `Basic ${btoa(`${auth.username}:${auth.password}`)}`
    }
    
    // Dropdown of the instance's tables (sys_db_object).
    export async function table(auth: RT.Servicenow) {
      const response = await fetch(
        `${auth.instance_url}/api/now/table/sys_db_object?sysparm_fields=name,label&sysparm_limit=10000`,
        {
          headers: {
            Authorization: authHeader(auth),
            Accept: "application/json",
          },
        }
      )
      if (!response.ok) {
        throw new Error(`${response.status} ${await response.text()}`)
      }
      const { result } = (await response.json()) as {
        result: { name: string; label: string }[]
      }
      return result
        .filter((t) => t.name)
        .map((t) => ({ value: t.name, label: `${t.label} (${t.name})` }))
        .sort((a, b) => a.label.localeCompare(b.label))
    }
    
    /**
     * New or Updated Record
     * Emits records from a table whose timestamp is newer than the last poll, tracked via Windmill state. Defaults to sys_updated_on (set timestamp_field to sys_created_on for new-only). Optionally narrow with an extra encoded query.
     */
    export async function main(
      auth: RT.Servicenow,
      table: DynSelect_table,
      timestamp_field: "sys_updated_on" | "sys_created_on" | undefined,
      query: string | undefined
    ) {
      const tsField =
        timestamp_field && timestamp_field !== ""
          ? timestamp_field
          : "sys_updated_on"
      const lastChecked: string | undefined = await wmill.getState()
    
      // ServiceNow datetimes are 'YYYY-MM-DD HH:MM:SS' in UTC (no trailing Z).
      const nowUtc = new Date().toISOString().slice(0, 19).replace("T", " ")
    
      // First run: set the watermark to now and don't emit a backlog.
      if (!lastChecked) {
        await wmill.setState(nowUtc)
        return []
      }
    
      let encoded = `${tsField}>${lastChecked}`
      if (query !== undefined && query !== "") {
        encoded += `^${query}`
      }
      encoded += `^ORDERBY${tsField}`
    
      const url = new URL(`${auth.instance_url}/api/now/table/${table}`)
      url.searchParams.append("sysparm_query", encoded)
      url.searchParams.append("sysparm_limit", "200")
    
      const response = await fetch(url, {
        method: "GET",
        headers: {
          Authorization: authHeader(auth),
          Accept: "application/json",
        },
      })
    
      if (!response.ok) {
        throw new Error(`${response.status} ${await response.text()}`)
      }
    
      const { result } = (await response.json()) as {
        result: Array<{ [key: string]: any }>
      }
    
      if (result.length > 0) {
        await wmill.setState(result[result.length - 1][tsField])
      }
    
      return result
    }
    

    Submitted by hugo989 5 days ago