moveNote

2025-12-13 01:36:22 +00:00 · 2016-08-28 21:54:38 +09:00
parent 5163ab134e
commit 5c312c1939
2 changed files with 158 additions and 0 deletions
--- a/browser/main/lib/dataApi/moveNote.js
+++ b/browser/main/lib/dataApi/moveNote.js
@@ -0,0 +1,92 @@
+const resolveStorageData = require('./resolveStorageData')
+const _ = require('lodash')
+const path = require('path')
+const CSON = require('season')
+const keygen = require('browser/lib/keygen')
+const sander = require('sander')
+
+function moveNote (storageKey, noteKey, newStorageKey, newFolderKey) {
+  let oldStorage, newStorage
+  try {
+    let cachedStorageList = JSON.parse(localStorage.getItem('storages'))
+    if (!_.isArray(cachedStorageList)) throw new Error('Storage doesn\'t exist.')
+
+    oldStorage = _.find(cachedStorageList, {key: storageKey})
+    if (oldStorage == null) throw new Error('Storage doesn\'t exist.')
+
+    newStorage = _.find(cachedStorageList, {key: newStorageKey})
+    if (newStorage == null) throw new Error('Target storage doesn\'t exist.')
+  } catch (e) {
+    return Promise.reject(e)
+  }
+
+  return resolveStorageData(oldStorage)
+    .then(function saveNote (_oldStorage) {
+      oldStorage = _oldStorage
+      let noteData
+      let notePath = path.join(oldStorage.path, 'notes', noteKey + '.cson')
+      try {
+        noteData = CSON.readFileSync(notePath)
+      } catch (err) {
+        console.warn('Failed to find note cson', err)
+        throw err
+      }
+      let newNoteKey
+      return Promise.resolve()
+        .then(function resolveNewStorage () {
+          if (storageKey === newStorageKey) {
+            newNoteKey = noteKey
+            return oldStorage
+          }
+          return resolveStorageData(newStorage)
+            .then(function findNewNoteKey (_newStorage) {
+              newStorage = _newStorage
+              newNoteKey = keygen()
+              let isUnique = false
+              while (!isUnique) {
+                try {
+                  sander.statSync(path.join(newStorage.path, 'notes', newNoteKey + '.cson'))
+                  newNoteKey = keygen()
+                } catch (err) {
+                  if (err.code === 'ENOENT') {
+                    isUnique = true
+                  } else {
+                    throw err
+                  }
+                }
+              }
+
+              return newStorage
+            })
+        })
+        .then(function checkFolderExistsAndPrepareNoteData (newStorage) {
+          if (_.find(newStorage.folders, {key: newFolderKey}) == null) throw new Error('Target folder doesn\'t exist.')
+
+          noteData.folder = newFolderKey
+          noteData.key = newNoteKey
+          noteData.storage = newStorageKey
+          return noteData
+        })
+        .then(function writeAndReturn (noteData) {
+          CSON.writeFileSync(path.join(newStorage.path, 'notes', noteData.key + '.cson'), _.omit(noteData, ['key', 'storage']))
+          return {
+            oldStorageKey: storageKey,
+            oldNoteKey: noteKey,
+            note: noteData
+          }
+        })
+        .then(function deleteOldNote (data) {
+          if (storageKey !== newStorageKey) {
+            try {
+              sander.unlinkSync(path.join(oldStorage.path, 'notes', noteKey + '.cson'))
+            } catch (err) {
+              console.warn(err)
+            }
+          }
+
+          return data
+        })
+    })
+}
+
+module.exports = moveNote
--- a/tests/dataApi/moveNote.js
+++ b/tests/dataApi/moveNote.js
@@ -0,0 +1,66 @@
+const test = require('ava')
+const moveNote = require('browser/main/lib/dataApi/moveNote')
+
+global.document = require('jsdom').jsdom('<body></body>')
+global.window = document.defaultView
+global.navigator = window.navigator
+
+const Storage = require('dom-storage')
+const localStorage = window.localStorage = global.localStorage = new Storage(null, { strict: true })
+const path = require('path')
+const TestDummy = require('../fixtures/TestDummy')
+const sander = require('sander')
+const os = require('os')
+const CSON = require('season')
+const faker = require('faker')
+
+const storagePath = path.join(os.tmpdir(), 'test/move-note')
+const storagePath2 = path.join(os.tmpdir(), 'test/move-note2')
+
+test.beforeEach((t) => {
+  t.context.storage1 = TestDummy.dummyStorage(storagePath)
+  t.context.storage2 = TestDummy.dummyStorage(storagePath2)
+  localStorage.setItem('storages', JSON.stringify([t.context.storage1.cache, t.context.storage2.cache]))
+})
+
+test.serial('Move a note', (t) => {
+  const storageKey1 = t.context.storage1.cache.key
+  const folderKey1 = t.context.storage1.json.folders[0].key
+  const note1 = t.context.storage1.notes[0]
+  const note2 = t.context.storage1.notes[1]
+  const storageKey2 = t.context.storage2.cache.key
+  const folderKey2 = t.context.storage2.json.folders[0].key
+
+  return Promise.resolve()
+    .then(function doTest () {
+      return Promise.all([
+        moveNote(storageKey1, note1.key, storageKey1, folderKey1),
+        moveNote(storageKey1, note2.key, storageKey2, folderKey2)
+      ])
+    })
+    .then(function assert (data) {
+      let data1 = data[0]
+      let data2 = data[1]
+
+      let jsonData1 = CSON.readFileSync(path.join(storagePath, 'notes', data1.note.key + '.cson'))
+
+      t.is(jsonData1.folder, folderKey1)
+      t.is(jsonData1.title, note1.title)
+
+      let jsonData2 = CSON.readFileSync(path.join(storagePath2, 'notes', data2.note.key + '.cson'))
+      t.is(jsonData2.folder, folderKey2)
+      t.is(jsonData2.title, note2.title)
+      try {
+        CSON.readFileSync(path.join(storagePath, 'notes', note2.key + '.cson'))
+        t.fail('The old note should be deleted.')
+      } catch (err) {
+        t.is(err.code, 'ENOENT')
+      }
+    })
+})
+
+test.after(function after () {
+  localStorage.clear()
+  sander.rimrafSync(storagePath)
+  sander.rimrafSync(storagePath2)
+})