Add support for login intercept messages and announcements

app/models/LoginMessage.model.js

@@ -0,0 +1,39 @@
+const { Model } = require('flitter-orm')
+
+class LoginMessageModel extends Model {
+    static get schema() {
+        return {
+            seen: {type: Boolean, default: false},
+            expires: {type: Date, default: () => {
+                const date = new Date
+                date.setYear(date.getUTCFullYear() + 1)
+                return date
+            }},
+            title: String,
+            message: String,
+            user_id: String,
+        }
+    }
+
+    static async for_user(user) {
+        return this.find({ user_id: user.id, seen: false, expires: { $gt: new Date } })
+    }
+
+    static async create(user, title, message) {
+        const msg = new this({
+            message,
+            title,
+            user_id: user.id,
+        })
+
+        await msg.save()
+        return msg
+    }
+
+    async mark_seen() {
+        this.seen = true
+        return this.save()
+    }
+}
+
+module.exports = exports = LoginMessageModel

app/models/system/Announcement.model.js

@@ -66,6 +66,8 @@ class AnnouncementModel extends Model {
             await this.populate_emails()
         } else if ( this.type === 'banner' ) {
             await this.populate_banners()
+        } else if ( this.type === 'login' ) {
+            await this.populate_logins()
         }
     }
 
@@ -92,6 +94,14 @@ class AnnouncementModel extends Model {
             await Message.create(user, `${this.title} - ${this.message}`)
         }
     }
+
+    async populate_logins() {
+        const users = await this.all_users()
+        const LoginMessage = this.models.get('LoginMessage')
+        for ( const user of users ) {
+            await LoginMessage.create(user, this.title, this.message)
+        }
+    }
 }
 
 module.exports = exports = AnnouncementModel