101 lines
3.6 KiB
JavaScript
101 lines
3.6 KiB
JavaScript
const { getTable } = require("../api/controllers/table/utils")
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const { findHBSBlocks } = require("@budibase/string-templates")
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/**
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* When values are input to the system generally they will be of type string as this is required for template strings.
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* This can generate some odd scenarios as the Schema of the automation requires a number but the builder might supply
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* a string with template syntax to get the number from the rest of the context. To support this the server has to
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* make sure that the post template statement can be cast into the correct type, this function does this for numbers
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* and booleans.
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*
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* @param {object} inputs An object of inputs, please note this will not recurse down into any objects within, it simply
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* cleanses the top level inputs, however it can be used by recursively calling it deeper into the object structures if
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* the schema is known.
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* @param {object} schema The defined schema of the inputs, in the form of JSON schema. The schema definition of an
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* automation is the likely use case of this, however validate.js syntax can be converted closely enough to use this by
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* wrapping the schema properties in a top level "properties" object.
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* @returns {object} The inputs object which has had all the various types supported by this function converted to their
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* primitive types.
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*/
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exports.cleanInputValues = (inputs, schema) => {
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if (schema == null) {
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return inputs
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}
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for (let inputKey of Object.keys(inputs)) {
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let input = inputs[inputKey]
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if (typeof input !== "string") {
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continue
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}
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let propSchema = schema.properties[inputKey]
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if (!propSchema) {
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continue
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}
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if (propSchema.type === "boolean") {
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let lcInput = input.toLowerCase()
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if (lcInput === "true") {
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inputs[inputKey] = true
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}
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if (lcInput === "false") {
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inputs[inputKey] = false
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}
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}
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if (propSchema.type === "number") {
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let floatInput = parseFloat(input)
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if (!isNaN(floatInput)) {
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inputs[inputKey] = floatInput
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}
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}
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}
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return inputs
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}
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/**
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* Given a row input like a save or update row we need to clean the inputs against a schema that is not part of
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* the automation but is instead part of the Table/Table. This function will get the table schema and use it to instead
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* perform the cleanInputValues function on the input row.
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*
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* @param {string} tableId The ID of the Table/Table which the schema is to be retrieved for.
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* @param {object} row The input row structure which requires clean-up after having been through template statements.
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* @returns {Promise<Object>} The cleaned up rows object, will should now have all the required primitive types.
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*/
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exports.cleanUpRow = async (tableId, row) => {
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let table = await getTable(tableId)
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return exports.cleanInputValues(row, { properties: table.schema })
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}
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exports.getError = err => {
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if (err == null) {
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return "No error provided."
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}
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if (
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typeof err === "object" &&
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(err.toString == null || err.toString() === "[object Object]")
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) {
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return JSON.stringify(err)
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}
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return typeof err !== "string" ? err.toString() : err
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}
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exports.substituteLoopStep = (hbsString, substitute) => {
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let blocks = findHBSBlocks(hbsString)
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for (let block of blocks) {
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let oldBlock = block
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block = block.replace(/loop/, substitute)
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hbsString = hbsString.replace(new RegExp(oldBlock, "g"), block)
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}
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return hbsString
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}
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exports.stringSplit = value => {
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if (value == null) {
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return []
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}
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if (value.split("\n").length > 1) {
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value = value.split("\n")
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} else {
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value = value.split(",")
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}
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return value
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}
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