refs #969 Attach poll only specified, and block invalid poll options

src/config/locales/en/translation.json

@@ -406,7 +406,8 @@
     "new_toot": {
       "toot_length": "Toot length should be {{min}} to {{max}}",
       "attach_length": "You can only attach up to {{max}} images",
-      "attach_image": "You can only attach images or videos"
+      "attach_image": "You can only attach images or videos",
+      "poll_invalid": "Invalid poll choices"
     }
   }
 }

src/renderer/components/TimelineSpace/Modals/NewToot.vue

@@ -134,7 +134,7 @@ import { clipboard } from 'electron'
 import Visibility from '~/src/constants/visibility'
 import Status from './NewToot/Status'
 import Poll from './NewToot/Poll'
-import { NewTootTootLength, NewTootAttachLength, NewTootModalOpen, NewTootBlockSubmit } from '@/errors/validations'
+import { NewTootTootLength, NewTootAttachLength, NewTootModalOpen, NewTootBlockSubmit, NewTootPollInvalid } from '@/errors/validations'
 
 export default {
   name: 'new-toot',
@@ -261,6 +261,11 @@ export default {
             message: this.$t('validation.new_toot.attach_length', { max: 4 }),
             type: 'error'
           })
+        } else if (err instanceof NewTootPollInvalid) {
+          this.$message({
+            message: this.$t('validation.new_toot.poll_invalid'),
+            type: 'error'
+          })
         } else if (err instanceof NewTootModalOpen || err instanceof NewTootBlockSubmit) {
           // Nothing
         } else {

src/renderer/errors/validations.js

@@ -8,6 +8,8 @@ export class NewTootAttachLength extends Error {}
 
 export class NewTootMediaDescription extends Error {}
 
+export class NewTootPollInvalid extends Error {}
+
 export class NewTootUnknownType extends Error {}
 
 export class AuthenticationError extends Error {}

src/renderer/store/TimelineSpace/Modals/NewToot.ts

@@ -11,6 +11,7 @@ import {
   NewTootTootLength,
   NewTootAttachLength,
   NewTootMediaDescription,
+  NewTootPollInvalid,
   NewTootUnknownType,
   AuthenticationError
 } from '@/errors/validations'
@@ -205,12 +206,7 @@ const actions: ActionTree<NewTootState, RootState> = {
       status: params.status,
       visibility: specifiedVisibility,
       sensitive: state.sensitive,
-      spoiler_text: params.spoiler,
-      poll: {
-        expires_in: params.pollExpireSeconds,
-        multiple: false,
-        options: params.polls
-      }
+      spoiler_text: params.spoiler
     }
 
     if (state.replyToMessage !== null) {
@@ -219,6 +215,21 @@ const actions: ActionTree<NewTootState, RootState> = {
       })
     }
 
+    if (params.polls.length > 1) {
+      params.polls.map(poll => {
+        if (poll.length < 1) {
+          throw new NewTootPollInvalid()
+        }
+      })
+      form = Object.assign(form, {
+        poll: {
+          expires_in: params.pollExpireSeconds,
+          multiple: false,
+          options: params.polls
+        }
+      })
+    }
+
     if (rootState.TimelineSpace.account.accessToken === undefined || rootState.TimelineSpace.account.accessToken === null) {
       throw new AuthenticationError()
     }