119 lines
3.0 KiB
JavaScript
119 lines
3.0 KiB
JavaScript
const CouchDB = require("../../../db")
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const viewTemplate = require("./viewBuilder")
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const fs = require("fs")
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const { join } = require("../../../utilities/centralPath")
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const os = require("os")
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const exporters = require("./exporters")
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const { fetchView } = require("../row")
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const { ViewNames } = require("../../../db/utils")
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const controller = {
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fetch: async ctx => {
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const db = new CouchDB(ctx.user.appId)
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const designDoc = await db.get("_design/database")
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const response = []
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for (let name of Object.keys(designDoc.views)) {
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// Only return custom views, not built ins
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if (Object.values(ViewNames).indexOf(name) !== -1) {
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continue
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}
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response.push({
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name,
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...designDoc.views[name],
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})
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}
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ctx.body = response
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},
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save: async ctx => {
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const db = new CouchDB(ctx.user.appId)
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const { originalName, ...viewToSave } = ctx.request.body
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const designDoc = await db.get("_design/database")
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const view = viewTemplate(viewToSave)
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designDoc.views = {
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...designDoc.views,
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[viewToSave.name]: view,
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}
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// view has been renamed
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if (originalName) {
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delete designDoc.views[originalName]
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}
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await db.put(designDoc)
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// add views to table document
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const table = await db.get(ctx.request.body.tableId)
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if (!table.views) table.views = {}
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if (!view.meta.schema) {
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view.meta.schema = table.schema
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}
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table.views[viewToSave.name] = view.meta
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if (originalName) {
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delete table.views[originalName]
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}
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await db.put(table)
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ctx.body = table.views[viewToSave.name]
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ctx.message = `View ${viewToSave.name} saved successfully.`
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},
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destroy: async ctx => {
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const db = new CouchDB(ctx.user.appId)
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const designDoc = await db.get("_design/database")
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const viewName = decodeURI(ctx.params.viewName)
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const view = designDoc.views[viewName]
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delete designDoc.views[viewName]
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await db.put(designDoc)
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const table = await db.get(view.meta.tableId)
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delete table.views[viewName]
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await db.put(table)
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ctx.body = view
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ctx.message = `View ${ctx.params.viewName} saved successfully.`
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},
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exportView: async ctx => {
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const view = ctx.request.body
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const format = ctx.query.format
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// Fetch view rows
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ctx.params.viewName = view.name
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ctx.query.group = view.groupBy
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if (view.field) {
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ctx.query.stats = true
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ctx.query.field = view.field
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}
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await fetchView(ctx)
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// Export part
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let headers = Object.keys(view.schema)
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const exporter = exporters[format]
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const exportedFile = exporter(headers, ctx.body)
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const filename = `${view.name}.${format}`
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fs.writeFileSync(join(os.tmpdir(), filename), exportedFile)
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ctx.body = {
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url: `/api/views/export/download/${filename}`,
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name: view.name,
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}
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},
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downloadExport: async ctx => {
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const filename = ctx.params.fileName
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ctx.attachment(filename)
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ctx.body = fs.createReadStream(join(os.tmpdir(), filename))
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},
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}
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module.exports = controller
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