135 lines
3.5 KiB
JavaScript
135 lines
3.5 KiB
JavaScript
const CouchDB = require("../../db")
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const csvParser = require("../../utilities/csvParser")
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const {
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getRecordParams,
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getModelParams,
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generateModelID,
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} = require("../../db/utils")
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exports.fetch = async function(ctx) {
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const db = new CouchDB(ctx.user.instanceId)
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const body = await db.allDocs(
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getModelParams(null, {
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include_docs: true,
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})
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)
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ctx.body = body.rows.map(row => row.doc)
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}
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exports.find = async function(ctx) {
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const db = new CouchDB(ctx.user.instanceId)
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ctx.body = await db.get(ctx.params.id)
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}
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exports.save = async function(ctx) {
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const db = new CouchDB(ctx.user.instanceId)
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const { dataImport, ...rest } = ctx.request.body
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const modelToSave = {
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type: "model",
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_id: generateModelID(),
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views: {},
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...rest,
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}
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// rename record fields when table column is renamed
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const { _rename } = modelToSave
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if (_rename) {
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const records = await db.allDocs(
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getRecordParams(modelToSave._id, null, {
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include_docs: true,
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})
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)
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const docs = records.rows.map(({ doc }) => {
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doc[_rename.updated] = doc[_rename.old]
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delete doc[_rename.old]
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return doc
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})
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await db.bulkDocs(docs)
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delete modelToSave._rename
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}
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// update schema of non-statistics views when new columns are added
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for (let view in modelToSave.views) {
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const modelView = modelToSave.views[view]
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if (!modelView) continue
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if (modelView.schema.group || modelView.schema.field) continue
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modelView.schema = modelToSave.schema
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}
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const result = await db.post(modelToSave)
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modelToSave._rev = result.rev
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const { schema } = ctx.request.body
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for (let key of Object.keys(schema)) {
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// model has a linked record
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if (schema[key].type === "link") {
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// create the link field in the other model
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const linkedModel = await db.get(schema[key].modelId)
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linkedModel.schema[modelToSave.name] = {
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name: modelToSave.name,
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type: "link",
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modelId: modelToSave._id,
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constraints: {
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type: "array",
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},
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}
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await db.put(linkedModel)
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}
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}
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if (dataImport && dataImport.path) {
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// Populate the table with records imported from CSV in a bulk update
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const data = await csvParser.transform(dataImport)
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for (let row of data) row.modelId = modelToSave._id
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await db.bulkDocs(data)
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}
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ctx.status = 200
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ctx.message = `Model ${ctx.request.body.name} saved successfully.`
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ctx.body = modelToSave
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}
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exports.destroy = async function(ctx) {
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const db = new CouchDB(ctx.user.instanceId)
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const modelToDelete = await db.get(ctx.params.modelId)
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await db.remove(modelToDelete)
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// Delete all records for that model
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const records = await db.allDocs(
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getRecordParams(ctx.params.modelId, null, {
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include_docs: true,
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})
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)
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await db.bulkDocs(
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records.rows.map(record => ({ _id: record.id, _deleted: true }))
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)
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// Delete linked record fields in dependent models
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for (let key of Object.keys(modelToDelete.schema)) {
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const { type, modelId } = modelToDelete.schema[key]
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if (type === "link") {
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const linkedModel = await db.get(modelId)
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delete linkedModel.schema[modelToDelete.name]
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await db.put(linkedModel)
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}
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}
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ctx.status = 200
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ctx.message = `Model ${ctx.params.modelId} deleted.`
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}
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exports.validateCSVSchema = async function(ctx) {
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const { file, schema = {} } = ctx.request.body
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const result = await csvParser.parse(file.path, schema)
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ctx.body = {
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schema: result,
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path: file.path,
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}
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}
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