mirror of https://github.com/Budibase/budibase.git
mike12345567
5 years ago
6 changed files with 209 additions and 131 deletions
@ -0,0 +1,119 @@ |
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const env = require("../environment") |
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const { OBJ_STORE_DIRECTORY } = require("../constants") |
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const linkRows = require("../db/linkedRows") |
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const { cloneDeep } = require("lodash/fp") |
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|
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/** |
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* A map of how we convert various properties in rows to each other based on the row type. |
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*/ |
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const TYPE_TRANSFORM_MAP = { |
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link: { |
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"": [], |
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[null]: [], |
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[undefined]: undefined, |
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}, |
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options: { |
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"": "", |
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[null]: "", |
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[undefined]: undefined, |
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}, |
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string: { |
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"": "", |
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[null]: "", |
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[undefined]: undefined, |
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}, |
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longform: { |
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"": "", |
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[null]: "", |
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[undefined]: undefined, |
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}, |
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number: { |
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"": null, |
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[null]: null, |
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[undefined]: undefined, |
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parse: n => parseFloat(n), |
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}, |
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datetime: { |
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"": null, |
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[undefined]: undefined, |
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[null]: null, |
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}, |
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attachment: { |
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"": [], |
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[null]: [], |
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[undefined]: undefined, |
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}, |
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boolean: { |
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"": null, |
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[null]: null, |
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[undefined]: undefined, |
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true: true, |
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false: false, |
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}, |
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} |
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|
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/** |
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* This will coerce a value to the correct types based on the type transform map |
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* @param {any} value The value to coerce |
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* @param {string} type The type fo coerce to |
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* @returns {any} The coerced value |
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*/ |
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exports.coerce = (value, type) => { |
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// eslint-disable-next-line no-prototype-builtins
|
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if (TYPE_TRANSFORM_MAP[type].hasOwnProperty(value)) { |
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return TYPE_TRANSFORM_MAP[type][value] |
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} else if (TYPE_TRANSFORM_MAP[type].parse) { |
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return TYPE_TRANSFORM_MAP[type].parse(value) |
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} |
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return value |
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} |
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|
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/** |
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* Given an input route this function will apply all the necessary pre-processing to it, such as coercion |
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* of column values or adding auto-column values. |
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* @param {object} user the user which is performing the input. |
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* @param {object} row the row which is being created/updated. |
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* @param {object} table the table which the row is being saved to. |
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* @returns {object} the row which has been prepared to be written to the DB. |
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*/ |
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exports.inputProcessing = (user, table, row) => { |
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const clonedRow = cloneDeep(row) |
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for (let [key, value] of Object.entries(clonedRow)) { |
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const field = table.schema[key] |
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if (!field) continue |
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|
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clonedRow[key] = exports.coerce(value, field.type) |
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} |
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return clonedRow |
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} |
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|
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/** |
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* This function enriches the input rows with anything they are supposed to contain, for example |
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* link records or attachment links. |
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* @param {string} appId the ID of the application for which rows are being enriched. |
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* @param {object} table the table from which these rows came from originally, this is used to determine |
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* the schema of the rows and then enrich. |
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* @param {object[]} rows the rows which are to be enriched. |
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* @returns {object[]} the enriched rows will be returned. |
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*/ |
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exports.outputProcessing = async (appId, table, rows) => { |
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// attach any linked row information
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const outputRows = await linkRows.attachLinkInfo(appId, rows) |
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// update the attachments URL depending on hosting
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if (env.CLOUD && env.SELF_HOSTED) { |
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for (let [property, column] of Object.entries(table.schema)) { |
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if (column.type === "attachment") { |
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for (let row of outputRows) { |
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if (row[property] == null || row[property].length === 0) { |
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continue |
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} |
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row[property].forEach(attachment => { |
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attachment.url = `${OBJ_STORE_DIRECTORY}/${appId}/${attachment.url}` |
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attachment.url = attachment.url.replace("//", "/") |
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}) |
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} |
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} |
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} |
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} |
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return outputRows |
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} |
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