Add ability to show notices to user & get confirmation.

Implement generation of markdown for notice files.
Create npm command. Enhance notice generation.
Add test files to test multiple notices.
Add basic markdown support to notices.
Interval checks for updates.
Add extensionizer and linker
Add terms and conditions state file
Add link support to disclaimer.
Changelog addition.

3 files changed, 122 insertions, 2 deletions

diff --git a/app/scripts/lib/config-manager.js b/app/scripts/lib/config-manager.js
index b8ffb6991..b5e4995ad 100644
--- a/app/scripts/lib/config-manager.js
+++ b/app/scripts/lib/config-manager.js
@@ -2,6 +2,7 @@ const Migrator = require('pojo-migrator')
 const MetamaskConfig = require('../config.js')
 const migrations = require('./migrations')
 const rp = require('request-promise')
+const notices = require('../../../development/notices.json')
 
 const TESTNET_RPC = MetamaskConfig.network.testnet
 const MAINNET_RPC = MetamaskConfig.network.mainnet
@@ -162,6 +163,69 @@ ConfigManager.prototype.setData = function (data) {
 }
 
 //
+// Notices
+//
+
+ConfigManager.prototype.getNoticesList = function () {
+  var data = this.getData()
+  if ('noticesList' in data) {
+    return data.noticesList
+  } else {
+    return []
+  }
+}
+
+ConfigManager.prototype.setNoticesList = function (list) {
+  var data = this.getData()
+  data.noticesList = list
+  this.setData(data)
+  return Promise.resolve(true)
+}
+
+ConfigManager.prototype.markNoticeRead = function (notice) {
+  var notices = this.getNoticesList()
+  var id = notice.id
+  notices[id].read = true
+  this.setNoticesList(notices)
+}
+
+ConfigManager.prototype.updateNoticesList = function () {
+  return this._retrieveNoticeData().then((newNotices) => {
+    var oldNotices = this.getNoticesList()
+    var combinedNotices = this._mergeNotices(oldNotices, newNotices)
+    return Promise.resolve(this.setNoticesList(combinedNotices))
+  })
+}
+
+ConfigManager.prototype.getLatestUnreadNotice = function () {
+  var notices = this.getNoticesList()
+  var filteredNotices = notices.filter((notice) => {
+    return notice.read === false
+  })
+  return filteredNotices[filteredNotices.length - 1]
+}
+
+ConfigManager.prototype._mergeNotices = function (oldNotices, newNotices) {
+  var noticeMap = this._mapNoticeIds(oldNotices)
+  newNotices.forEach((notice) => {
+    if (noticeMap.indexOf(notice.id) === -1) {
+      oldNotices.push(notice)
+    }
+  })
+  return oldNotices
+}
+
+ConfigManager.prototype._mapNoticeIds = function (notices) {
+  return notices.map((notice) => notice.id)
+}
+
+ConfigManager.prototype._retrieveNoticeData = function () {
+  // Placeholder for the API.
+  return Promise.resolve(notices)
+}
+
+
+//
 // Tx
 //
 
diff --git a/app/scripts/metamask-controller.js b/app/scripts/metamask-controller.js
index 631411bed..65619af82 100644
--- a/app/scripts/metamask-controller.js
+++ b/app/scripts/metamask-controller.js
@@ -2,6 +2,7 @@ const extend = require('xtend')
 const EthStore = require('eth-store')
 const MetaMaskProvider = require('web3-provider-engine/zero.js')
 const IdentityStore = require('./lib/idStore')
+const NoticeController = require('./notice-controller')
 const messageManager = require('./lib/message-manager')
 const HostStore = require('./lib/remote-store.js').HostStore
 const Web3 = require('web3')
@@ -17,6 +18,9 @@ module.exports = class MetamaskController {
     this.idStore = new IdentityStore({
       configManager: this.configManager,
     })
+    this.noticeController = new NoticeController({
+      configManager: this.configManager,
+    })
     this.provider = this.initializeProvider(opts)
     this.ethStore = new EthStore(this.provider)
     this.idStore.setStore(this.ethStore)
@@ -27,17 +31,19 @@ module.exports = class MetamaskController {
     this.configManager.setCurrentFiat(currentFiat)
     this.configManager.updateConversionRate()
 
+    this.checkNotices()
     this.checkTOSChange()
 
     this.scheduleConversionInterval()
-
+    this.scheduleNoticeCheck()
   }
 
   getState () {
     return extend(
       this.ethStore.getState(),
       this.idStore.getState(),
-      this.configManager.getConfig()
+      this.configManager.getConfig(),
+      this.noticeController.getState()
     )
   }
 
@@ -55,6 +61,7 @@ module.exports = class MetamaskController {
       agreeToEthWarning: this.agreeToEthWarning.bind(this),
       setTOSHash: this.setTOSHash.bind(this),
       checkTOSChange: this.checkTOSChange.bind(this),
+      checkNotices: this.checkNotices.bind(this),
       setGasMultiplier: this.setGasMultiplier.bind(this),
 
       // forward directly to idStore
@@ -77,6 +84,8 @@ module.exports = class MetamaskController {
       buyEth: this.buyEth.bind(this),
       // shapeshift
       createShapeShiftTx: this.createShapeShiftTx.bind(this),
+      // notices
+      markNoticeRead: this.markNoticeRead.bind(this),
     }
   }
 
@@ -289,6 +298,25 @@ module.exports = class MetamaskController {
 
   }
 
+  checkNotices () {
+    try {
+      this.configManager.updateNoticesList()
+    } catch (e) {
+      console.error('Error in checking notices.')
+    }
+  }
+
+  // notice
+
+  markNoticeRead (notice, cb) {
+    try {
+      this.configManager.markNoticeRead(notice)
+      cb(null, this.configManager.getLatestUnreadNotice())
+    } catch (e) {
+      cb(e)
+    }
+  }
+
   agreeToDisclaimer (cb) {
     try {
       this.configManager.setConfirmed(true)
@@ -331,6 +359,7 @@ module.exports = class MetamaskController {
     }, 300000)
   }
 
+<<<<<<< HEAD
   agreeToEthWarning (cb) {
     try {
       this.configManager.setShouldntShowWarning()
@@ -338,6 +367,15 @@ module.exports = class MetamaskController {
     } catch (e) {
       cb(e)
     }
+=======
+  scheduleNoticeCheck () {
+    if (this.noticeCheck) {
+      clearInterval(this.noticeCheck)
+    }
+    this.noticeCheck = setInterval(() => {
+      this.configManager.updateNoticesList()
+    }, 300000)
+>>>>>>> 25acad7... Add ability to show notices to user & get confirmation.
   }
 
   // called from popup
diff --git a/app/scripts/notice-controller.js b/app/scripts/notice-controller.js
new file mode 100644
index 000000000..f1785d705
--- /dev/null
+++ b/app/scripts/notice-controller.js
@@ -0,0 +1,18 @@
+const EventEmitter = require('events').EventEmitter
+
+module.exports = class NoticeController extends EventEmitter {
+
+  constructor (opts) {
+    super()
+    this.configManager = opts.configManager
+  }
+
+  getState() {
+    var lastUnreadNotice = this.configManager.getLatestUnreadNotice()
+
+    return {
+      lastUnreadNotice: lastUnreadNotice,
+      noActiveNotices: !lastUnreadNotice,
+    }
+  }
+}