Files
cloud-cap-samples/inspectr/app/viewer/app.js
2025-07-19 09:16:15 +02:00

120 lines
3.7 KiB
JavaScript

/* global Vue axios */ //> from vue.html
const GET = (url) => axios.get('/odata/v4/-data'+url)
const storageGet = (key, def) => localStorage.getItem('data-viewer:'+key) || def
const storageSet = (key, val) => localStorage.setItem('data-viewer:'+key, val)
const columnKeysFirst = (c1, c2) => {
if (c1.isKey && !c2.isKey) return -1
if (!c1.isKey && c2.isKey) return 1
if (c1.isKey && c2.isKey) return c1.name.localeCompare(c2.name)
return 0 // retain natural order of normal columns
}
const vue = Vue.createApp ({
data() { return {
error: undefined,
dataSource: storageGet('data-source', 'db'),
skip: storageGet('skip', 0),
top: storageGet('top', 20),
entity: storageGet('entity') ? JSON.parse(storageGet('entity')) : undefined,
entities: [],
columns: [],
data: [],
rowDetails: {},
rowKey: storageGet('rowKey')
}},
watch: {
dataSource: (v) => { storageSet('data-source', v); vue.fetchEntities() },
skip: (v) => { storageSet('skip', v); if (vue.entity) vue.fetchData() },
top: (v) => { storageSet('top', v); if (vue.entity) vue.fetchData() },
},
methods: {
async fetchEntities () {
let url = `/Entities`
if (vue.dataSource === 'db') url += `?dataSource=db`
const {data} = await GET(url)
vue.entities = data.value
vue.entities.forEach(entity => entity.columns.sort(columnKeysFirst))
const entity = vue.entity && vue.entities.find(e => e.name === vue.entity.name)
if (entity) { // restore selection from previous fetch
vue.columns = entity.columns
await vue.fetchData(entity)
} else {
vue.entity = undefined
vue.columns = []
vue.data = []
vue.rowDetails = {}
}
},
async inspectEntity (eve) {
const entity = vue.entity = vue.entities [eve.currentTarget.rowIndex-1]
storageSet('entity', JSON.stringify(entity))
vue.columns = vue.entities.find(e => e.name === entity.name).columns
return await this.fetchData()
},
async fetchData () {
let url = `/Data?entity=${vue.entity.name}&$skip=${vue.skip}&$top=${vue.top}`
if (vue.dataSource === 'db') url += `&dataSource=db`
try {
const {data} = await GET(url)
// sort data along column order
const columnIndexes = {}
vue.columns.forEach((col, i) => columnIndexes[col.name] = i)
vue.data = data.value.map(d => d.record
.sort((r1, r2) => columnIndexes[r1.column] - columnIndexes[r2.column])
.map(r => r.data)
)
const row = vue.data.find(data => vue._makeRowKey(data) === vue.rowKey)
if (row) vue._setRowDetails(row)
else vue.rowDetails = {}
vue.error = undefined
} catch (err) {
vue.data = []
vue.rowDetails = {}
if (err.response?.data?.error) {
vue.error = err.response.data.error
} else {
vue.error = { code:err.code, message:err.message }
}
}
},
inspectRow (eve) {
vue.rowDetails = {}
const selectedRow = eve.currentTarget.rowIndex-1
vue.rowKey = vue._makeRowKey(vue.data[selectedRow])
storageSet('rowKey', vue.rowKey)
vue._setRowDetails(vue.data[selectedRow])
},
_setRowDetails(row) {
vue.rowDetails = {}
row.forEach((line, colIndex) => {
vue.rowDetails[vue.columns[colIndex].name] = line
})
},
_makeRowKey(row) {
// to identify a row, build a key string out of all key columns' values
return row
.filter((_, colIndex) => vue.columns[colIndex] && vue.columns[colIndex].isKey)
.reduce(((prev, next) => prev += next), '')
},
isActiveRow(row) {
return vue._makeRowKey(row) === vue.rowKey
}
}
})
.mount('#app')
vue.fetchEntities()