Pivot implementation and redesign (#69)

- Pivot support implementation 
- Rename queries into inquiries
- Rename editor into workspace
- Change result set format
- New JSON format for inquiries
- Redesign panels

src/lib/storedInquiries/index.js

@@ -0,0 +1,120 @@
+import { nanoid } from 'nanoid'
+import fu from '@/lib/utils/fileIo'
+import migration from './_migrations'
+
+const migrate = migration._migrate
+
+export default {
+  version: 2,
+  getStoredInquiries () {
+    let myInquiries = JSON.parse(localStorage.getItem('myInquiries'))
+    if (!myInquiries) {
+      const oldInquiries = localStorage.getItem('myQueries')
+      if (oldInquiries) {
+        myInquiries = migrate(1, JSON.parse(oldInquiries))
+        this.updateStorage(myInquiries)
+        return myInquiries
+      }
+      return []
+    }
+
+    return (myInquiries && myInquiries.inquiries) || []
+  },
+
+  duplicateInquiry (baseInquiry) {
+    const newInquiry = JSON.parse(JSON.stringify(baseInquiry))
+    newInquiry.name = newInquiry.name + ' Copy'
+    newInquiry.id = nanoid()
+    newInquiry.createdAt = new Date()
+    delete newInquiry.isPredefined
+
+    return newInquiry
+  },
+
+  isTabNeedName (inquiryTab) {
+    const isFromScratch = !inquiryTab.initName
+    return inquiryTab.isPredefined || isFromScratch
+  },
+
+  save (inquiryTab, newName) {
+    const value = {
+      id: inquiryTab.isPredefined ? nanoid() : inquiryTab.id,
+      query: inquiryTab.query,
+      viewType: inquiryTab.$refs.dataView.mode,
+      viewOptions: inquiryTab.$refs.dataView.getOptionsForSave(),
+      name: newName || inquiryTab.initName
+    }
+
+    // Get inquiries from local storage
+    const myInquiries = this.getStoredInquiries()
+
+    // Set createdAt
+    if (newName) {
+      value.createdAt = new Date()
+    } else {
+      var inquiryIndex = myInquiries.findIndex(oldInquiry => oldInquiry.id === inquiryTab.id)
+      value.createdAt = myInquiries[inquiryIndex].createdAt
+    }
+
+    // Insert in inquiries list
+    if (newName) {
+      myInquiries.push(value)
+    } else {
+      myInquiries[inquiryIndex] = value
+    }
+
+    // Save to local storage
+    this.updateStorage(myInquiries)
+    return value
+  },
+
+  updateStorage (inquiries) {
+    localStorage.setItem('myInquiries', JSON.stringify({ version: this.version, inquiries }))
+  },
+
+  serialiseInquiries (inquiryList) {
+    const preparedData = JSON.parse(JSON.stringify(inquiryList))
+    preparedData.forEach(inquiry => delete inquiry.isPredefined)
+    return JSON.stringify({ version: this.version, inquiries: preparedData }, null, 4)
+  },
+
+  deserialiseInquiries (str) {
+    const inquiries = JSON.parse(str)
+    let inquiryList = []
+    if (!inquiries.version) {
+      // Turn data into array if they are not
+      inquiryList = !Array.isArray(inquiries) ? [inquiries] : inquiries
+      inquiryList = migrate(1, inquiryList)
+    } else {
+      inquiryList = inquiries.inquiries || []
+    }
+
+    // Generate new ids if they are the same as existing inquiries
+    inquiryList.forEach(inquiry => {
+      const allInquiriesIds = this.getStoredInquiries().map(inquiry => inquiry.id)
+      if (allInquiriesIds.includes(inquiry.id)) {
+        inquiry.id = nanoid()
+      }
+    })
+
+    return inquiryList
+  },
+
+  importInquiries () {
+    return fu.importFile()
+      .then(str => {
+        return this.deserialiseInquiries(str)
+      })
+  },
+
+  async readPredefinedInquiries () {
+    const res = await fu.readFile('./inquiries.json')
+    const data = await res.json()
+
+    if (!data.version) {
+      return data.length > 0 ? migrate(1, data) : []
+    } else {
+      return data.inquiries
+    }
+  }
+}