added fetch snippet

refactored some code

fixed snippet content empty on changed from list

fixed snippet name not updating on list when changed

browser/main/lib/dataApi/createSnippet.js

@@ -1,19 +1,22 @@
 import fs from 'fs'
 import crypto from 'crypto'
 import consts from 'browser/lib/consts'
+import fetchSnippet from 'browser/main/lib/dataApi/fetchSnippet'
 
-function createSnippet (snippets) {
+function createSnippet () {
   return new Promise((resolve, reject) => {
-    const newSnippet = {
-      id: crypto.randomBytes(16).toString('hex'),
-      name: 'Unnamed snippet',
-      prefix: [],
-      content: ''
-    }
-    snippets.push(newSnippet)
-    fs.writeFile(consts.SNIPPET_FILE, JSON.stringify(snippets, null, 4), (err) => {
-      if (err) reject(err)
-      resolve(snippets)
+    fetchSnippet().then((snippets) => {
+      const newSnippet = {
+        id: crypto.randomBytes(16).toString('hex'),
+        name: 'Unnamed snippet',
+        prefix: [],
+        content: ''
+      }
+      snippets.push(newSnippet)
+      fs.writeFile(consts.SNIPPET_FILE, JSON.stringify(snippets, null, 4), (err) => {
+        if (err) reject(err)
+        resolve(newSnippet)
+      })
     })
   })
 }

browser/main/lib/dataApi/deleteSnippet.js

@@ -1,17 +1,16 @@
 import fs from 'fs'
 import consts from 'browser/lib/consts'
+import fetchSnippet from 'browser/main/lib/dataApi/fetchSnippet'
 
-function deleteSnippet (snippets, snippetId) {
+function deleteSnippet (snippet) {
   return new Promise((resolve, reject) => {
-    for (let i = 0; i < snippets.length; i++) {
-      if (snippets[i].id === snippetId) {
-        snippets.splice(i, 1)
-        fs.writeFile(consts.SNIPPET_FILE, JSON.stringify(snippets, null, 4), (err) => {
-          if (err) reject(err)
-          resolve(snippets)
-        })
-      }
-    }
+    fetchSnippet().then((snippets) => {
+      snippets = snippets.filter(currentSnippet => currentSnippet.id !== snippet.id)
+      fs.writeFile(consts.SNIPPET_FILE, JSON.stringify(snippets, null, 4), (err) => {
+        if (err) reject(err)
+        resolve(snippet)
+      })
+    })
   })
 }
 

browser/main/lib/dataApi/fetchSnippet.js

@@ -0,0 +1,21 @@
+import fs from 'fs'
+import crypto from 'crypto'
+import consts from 'browser/lib/consts'
+
+function fetchSnippet (id) {
+  return new Promise((resolve, reject) => {
+    fs.readFile(consts.SNIPPET_FILE, 'utf8', (err, data) => {
+      if (err) {
+        reject(err)
+      }
+      const snippets = JSON.parse(data)
+      if (id) {
+        const snippet = snippets.find(snippet => { return snippet.id === id })
+        resolve(snippet)
+      }
+      resolve(snippets)
+    })
+  })
+}
+
+module.exports = fetchSnippet

browser/main/lib/dataApi/index.js

@@ -16,6 +16,7 @@ const dataApi = {
   createSnippet: require('./createSnippet'),
   deleteSnippet: require('./deleteSnippet'),
   updateSnippet: require('./updateSnippet'),
+  fetchSnippet: require('./fetchSnippet'),
 
   _migrateFromV6Storage: require('./migrateFromV6Storage'),
   _resolveStorageData: require('./resolveStorageData'),