94 lines
2.8 KiB
JavaScript
94 lines
2.8 KiB
JavaScript
/* global Vue axios */ //> from vue.html
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const GET = (url) => axios.get('/-data'+url)
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const storageGet = (key, def) => localStorage.getItem('data-viewer:'+key) || def
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const storageSet = (key, val) => localStorage.setItem('data-viewer:'+key, val)
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const vue = new Vue ({
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el:'#app',
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data: {
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dataSource: storageGet('data-source', 'db'),
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skip: storageGet('skip', 0),
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top: storageGet('top', 20),
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entity: storageGet('entity') ? JSON.parse(storageGet('entity')) : undefined,
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entities: [],
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columns: [],
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data: [],
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rowDetails: {},
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rowKey: storageGet('rowKey')
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},
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watch: {
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dataSource: (v) => { storageSet('data-source', v); vue.fetchEntities() },
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skip: (v) => { storageSet('skip', v); if (vue.entity) vue.fetchData() },
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top: (v) => { storageSet('top', v); if (vue.entity) vue.fetchData() },
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},
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methods: {
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async fetchEntities () {
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let url = `/Entities`
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if (vue.dataSource === 'db') url += `?dataSource=db`
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const {data} = await GET(url)
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vue.entities = data.value
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const entity = vue.entity && vue.entities.find(e => e.name === vue.entity.name)
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if (entity) { // restore selection from previous fetch
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vue.columns = entity.columns
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await vue.fetchData(entity)
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} else {
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vue.entity = undefined
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vue.columns = []
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vue.data = []
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vue.rowDetails = {}
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}
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},
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async inspectEntity (eve) {
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const entity = vue.entity = vue.entities [eve.currentTarget.rowIndex-1]
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storageSet('entity', JSON.stringify(entity))
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vue.columns = vue.entities.find(e => e.name === entity.name).columns
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return await this.fetchData()
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},
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async fetchData () {
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let url = `/Data?entity=${vue.entity.name}&$skip=${vue.skip}&$top=${vue.top}`
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if (vue.dataSource === 'db') url += `&dataSource=db`
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const {data} = await GET(url)
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vue.data = data.value.map(d => d.record.map(r => r.data))
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const row = vue.data.find(data => vue._makeRowKey(data) === vue.rowKey)
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if (row) vue._setRowDetails(row)
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else vue.rowDetails = {}
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},
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inspectRow (eve) {
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vue.rowDetails = {}
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const selectedRow = eve.currentTarget.rowIndex-1
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vue.rowKey = vue._makeRowKey(vue.data[selectedRow])
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storageSet('rowKey', vue.rowKey)
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vue._setRowDetails(vue.data[selectedRow])
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},
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_setRowDetails(row) {
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vue.rowDetails = {}
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row.forEach((line, colIndex) => {
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vue.rowDetails[vue.columns[colIndex].name] = line
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})
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},
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_makeRowKey(row) {
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// to identify a row, build a key string out of all key columns' values
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return row
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.filter((_, colIndex) => vue.columns[colIndex] && vue.columns[colIndex].isKey)
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.reduce(((prev, next) => prev += next), '')
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},
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isActiveRow(row) {
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return vue._makeRowKey(row) === vue.rowKey
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}
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}
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})
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vue.fetchEntities()
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