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budibase/packages/server/middleware/controllers/record.js
2020-04-15 15:24:48 +01:00

105 lines
2.6 KiB
JavaScript

const couchdb = require("../../db")
const { cloneDeep, mapValues, keyBy } = require("lodash/fp")
const {
validateRecord,
} = require("../../../common/src/records/validateRecord.mjs")
const { events } = require("../../../common/src/common/events.mjs")
const { $ } = require("../../../common/src/common")
import { safeParseField } from "../../../common/src/schema/types"
import {
allModelsViewName,
allModelsDesignDocName,
} from "./couchdbNamingConventions"
async function save(ctx) {
const db = couchdb.use(ctx.databaseId)
const record = cloneDeep(ctx.body)
if (!ctx.schema.findModel(record._modelId)) {
ctx.status = 400
ctx.message = `do not recognise modelId : ${record._modelId}`
return
}
const validationResult = await validateRecord(ctx.schema, record)
if (!validationResult.isValid) {
await ctx.publish(events.recordApi.save.onInvalid, {
record,
validationResult,
})
ctx.status = 400
ctx.message = "record failed validation rules"
ctx.body = validationResult
}
if (!record._rev) {
await db.insert(record)
await ctx.publish(events.recordApi.save.onRecordCreated, {
record: record,
})
} else {
const oldRecord = await _findRecord(db, ctx.schema, record._id)
await db.insert(record)
await ctx.publish(events.recordApi.save.onRecordUpdated, {
old: oldRecord,
new: record,
})
}
const savedHead = await db.head(record._id)
record._rev = savedHead._rev
return record
}
async function fetch(ctx) {
const db = couchdb.db.use(ctx.params.databaseId)
const model = ctx.schema.findModel(ctx.modelName)
ctx.body = db.viewAsStream(
allModelsDesignDocName(model.id),
allModelsViewName(model.id),
{
include_docs: true,
}
)
}
async function find(ctx) {
const db = couchdb.db.use(ctx.params.databaseId)
const { body, status } = await _findRecord(
db,
ctx.schema,
ctx.params.recordId
)
ctx.status = status
ctx.body = body
}
async function _findRecord(db, schema, id) {
let storedData
try {
storedData = await db.get(id)
} catch (err) {
return err
}
const model = schema.findModel(storedData._modelId)
const loadedRecord = $(model.fields, [
keyBy("name"),
mapValues(f => safeParseField(f, storedData)),
])
loadedRecord._rev = storedData._rev
loadedRecord._id = storedData._id
loadedRecord._modelId = storedData._modelId
return loadedRecord
}
async function destroy(ctx) {
const databaseId = ctx.params.databaseId;
const database = couchdb.db.use(databaseId)
ctx.body = await database.destroy(ctx.params.recordId);
}
module.exports = { save, fetch, destroy, find }