287 lines
8.1 KiB
JavaScript
287 lines
8.1 KiB
JavaScript
import { Helpers } from "@budibase/bbui"
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import { OperatorOptions, SqlNumberTypeRangeMap } from "../constants"
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/**
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* Returns the valid operator options for a certain data type
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* @param type the data type
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*/
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export const getValidOperatorsForType = type => {
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const Op = OperatorOptions
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const stringOps = [
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Op.Equals,
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Op.NotEquals,
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Op.StartsWith,
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Op.Like,
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Op.Empty,
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Op.NotEmpty,
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Op.In,
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]
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const numOps = [
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Op.Equals,
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Op.NotEquals,
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Op.MoreThan,
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Op.LessThan,
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Op.Empty,
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Op.NotEmpty,
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Op.In,
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]
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if (type === "string") {
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return stringOps
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} else if (type === "number") {
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return numOps
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} else if (type === "options") {
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return [Op.Equals, Op.NotEquals, Op.Empty, Op.NotEmpty]
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} else if (type === "array") {
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return [Op.Contains, Op.NotContains, Op.Empty, Op.NotEmpty]
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} else if (type === "boolean") {
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return [Op.Equals, Op.NotEquals, Op.Empty, Op.NotEmpty]
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} else if (type === "longform") {
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return stringOps
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} else if (type === "datetime") {
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return numOps
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} else if (type === "formula") {
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return stringOps.concat([Op.MoreThan, Op.LessThan])
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}
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return []
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}
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/**
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* Operators which do not support empty strings as values
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*/
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export const NoEmptyFilterStrings = [
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OperatorOptions.StartsWith.value,
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OperatorOptions.Like.value,
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OperatorOptions.Equals.value,
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OperatorOptions.NotEquals.value,
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OperatorOptions.Contains.value,
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OperatorOptions.NotContains.value,
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]
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/**
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* Removes any fields that contain empty strings that would cause inconsistent
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* behaviour with how backend tables are filtered (no value means no filter).
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*/
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const cleanupQuery = query => {
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if (!query) {
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return query
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}
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for (let filterField of NoEmptyFilterStrings) {
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if (!query[filterField]) {
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continue
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}
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for (let [key, value] of Object.entries(query[filterField])) {
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if (!value || value === "") {
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delete query[filterField][key]
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}
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}
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}
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return query
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}
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/**
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* Builds a lucene JSON query from the filter structure generated in the builder
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* @param filter the builder filter structure
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*/
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export const buildLuceneQuery = filter => {
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let query = {
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string: {},
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fuzzy: {},
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range: {},
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equal: {},
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notEqual: {},
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empty: {},
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notEmpty: {},
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contains: {},
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notContains: {},
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oneOf: {},
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}
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if (Array.isArray(filter)) {
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filter.forEach(expression => {
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let { operator, field, type, value, externalType } = expression
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// Parse all values into correct types
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if (type === "datetime" && value) {
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value = new Date(value).toISOString()
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}
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if (type === "number" && !Array.isArray(value)) {
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if (operator === "oneOf") {
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value = value.split(",").map(item => parseFloat(item))
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} else {
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value = parseFloat(value)
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}
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}
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if (type === "boolean") {
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value = `${value}`?.toLowerCase() === "true"
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}
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if (operator.startsWith("range")) {
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const minint =
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SqlNumberTypeRangeMap[externalType]?.min || Number.MIN_SAFE_INTEGER
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const maxint =
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SqlNumberTypeRangeMap[externalType]?.max || Number.MAX_SAFE_INTEGER
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if (!query.range[field]) {
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query.range[field] = {
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low: type === "number" ? minint : "0000-00-00T00:00:00.000Z",
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high: type === "number" ? maxint : "9999-00-00T00:00:00.000Z",
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}
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}
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if (operator === "rangeLow" && value != null && value !== "") {
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query.range[field].low = value
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} else if (operator === "rangeHigh" && value != null && value !== "") {
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query.range[field].high = value
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}
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} else if (query[operator]) {
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if (type === "boolean") {
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// Transform boolean filters to cope with null.
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// "equals false" needs to be "not equals true"
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// "not equals false" needs to be "equals true"
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if (operator === "equal" && value === false) {
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query.notEqual[field] = true
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} else if (operator === "notEqual" && value === false) {
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query.equal[field] = true
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} else {
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query[operator][field] = value
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}
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} else {
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console.log("VAL ", value)
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query[operator][field] = value
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}
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}
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})
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}
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return query
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}
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/**
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* Performs a client-side lucene search on an array of data
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* @param docs the data
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* @param query the JSON lucene query
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*/
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export const runLuceneQuery = (docs, query) => {
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if (!docs || !Array.isArray(docs)) {
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return []
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}
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if (!query) {
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return docs
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}
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// make query consistent first
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query = cleanupQuery(query)
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// Iterates over a set of filters and evaluates a fail function against a doc
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const match = (type, failFn) => doc => {
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const filters = Object.entries(query[type] || {})
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for (let i = 0; i < filters.length; i++) {
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const [key, testValue] = filters[i]
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const docValue = Helpers.deepGet(doc, key)
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if (failFn(docValue, testValue)) {
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return false
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}
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}
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return true
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}
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// Process a string match (fails if the value does not start with the string)
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const stringMatch = match("string", (docValue, testValue) => {
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return (
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!docValue || !docValue?.toLowerCase().startsWith(testValue?.toLowerCase())
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)
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})
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// Process a fuzzy match (treat the same as starts with when running locally)
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const fuzzyMatch = match("fuzzy", (docValue, testValue) => {
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return (
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!docValue || !docValue?.toLowerCase().startsWith(testValue?.toLowerCase())
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)
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})
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// Process a range match
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const rangeMatch = match("range", (docValue, testValue) => {
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return !docValue || docValue < testValue.low || docValue > testValue.high
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})
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// Process an equal match (fails if the value is different)
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const equalMatch = match("equal", (docValue, testValue) => {
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return testValue != null && testValue !== "" && docValue !== testValue
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})
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// Process a not-equal match (fails if the value is the same)
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const notEqualMatch = match("notEqual", (docValue, testValue) => {
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return testValue != null && testValue !== "" && docValue === testValue
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})
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// Process an empty match (fails if the value is not empty)
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const emptyMatch = match("empty", docValue => {
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return docValue != null && docValue !== ""
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})
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// Process a not-empty match (fails is the value is empty)
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const notEmptyMatch = match("notEmpty", docValue => {
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return docValue == null || docValue === ""
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})
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// Process an includes match (fails if the value is not included)
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const oneOf = match("oneOf", (docValue, testValue) => {
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if (typeof testValue === "string") {
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testValue = testValue.split(",")
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if (typeof docValue === "number") {
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testValue = testValue.map(item => Number(item))
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}
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}
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return !testValue?.includes(docValue)
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})
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// Match a document against all criteria
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const docMatch = doc => {
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return (
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stringMatch(doc) &&
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fuzzyMatch(doc) &&
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rangeMatch(doc) &&
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equalMatch(doc) &&
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notEqualMatch(doc) &&
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emptyMatch(doc) &&
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notEmptyMatch(doc) &&
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oneOf(doc)
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)
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}
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// Process all docs
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return docs.filter(docMatch)
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}
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/**
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* Performs a client-side sort from the equivalent server-side lucene sort
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* parameters.
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* @param docs the data
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* @param sort the sort column
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* @param sortOrder the sort order ("ascending" or "descending")
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* @param sortType the type of sort ("string" or "number")
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*/
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export const luceneSort = (docs, sort, sortOrder, sortType = "string") => {
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if (!sort || !sortOrder || !sortType) {
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return docs
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}
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const parse = sortType === "string" ? x => `${x}` : x => parseFloat(x)
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return docs.slice().sort((a, b) => {
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const colA = parse(a[sort])
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const colB = parse(b[sort])
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if (sortOrder === "Descending") {
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return colA > colB ? -1 : 1
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} else {
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return colA > colB ? 1 : -1
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}
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})
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}
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/**
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* Limits the specified docs to the specified number of rows from the equivalent
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* server-side lucene limit parameters.
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* @param docs the data
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* @param limit the number of docs to limit to
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*/
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export const luceneLimit = (docs, limit) => {
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const numLimit = parseFloat(limit)
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if (isNaN(numLimit)) {
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return docs
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}
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return docs.slice(0, numLimit)
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}
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