Tab refactor

src/lib/tab.js

@@ -0,0 +1,58 @@
+import { nanoid } from 'nanoid'
+import time from '@/lib/utils/time'
+import events from '@/lib/utils/events'
+
+export default class Tab {
+  constructor (state, inquiry = {}) {
+    this.id = inquiry.id || nanoid()
+    this.name = inquiry.id ? inquiry.name : null
+    this.tempName = inquiry.name || (state.untitledLastIndex
+      ? `Untitled ${state.untitledLastIndex}`
+      : 'Untitled')
+    this.query = inquiry.query
+    this.viewOptions = inquiry.viewOptions || undefined
+    this.isPredefined = inquiry.isPredefined
+    this.viewType = inquiry.viewType || 'chart'
+    this.result = null
+    this.isGettingResults = false
+    this.error = null
+    this.time = 0
+    this.layout = inquiry.layout || {
+      sqlEditor: 'above',
+      table: 'bottom',
+      dataView: 'hidden'
+    }
+
+    this.isSaved = !!inquiry.id
+    this.state = state
+  }
+
+  async execute () {
+    this.isGettingResults = true
+    this.result = null
+    this.error = null
+    const db = this.state.db
+    try {
+      const start = new Date()
+      this.result = await db.execute(this.query + ';')
+      this.time = time.getPeriod(start, new Date())
+
+      if (this.result && this.result.values) {
+        events.send('resultset.create',
+          this.result.values[this.result.columns[0]].length
+        )
+      }
+
+      events.send('query.run', parseFloat(this.time), { status: 'success' })
+    } catch (err) {
+      this.error = {
+        type: 'error',
+        message: err
+      }
+
+      events.send('query.run', 0, { status: 'error' })
+    }
+    db.refreshSchema()
+    this.isGettingResults = false
+  }
+}