pinafore/routes/settings/instances/[instanceName].html

<:Head>
  <title>{{params.instanceName}}</title>
</:Head>

<Layout page='settings'>
  <SettingsLayout page='settings/instances/{{params.instanceName}}' label="{{params.instanceName}}">
    <h1>{{params.instanceName}}</h1>

    {{#if instanceUserAccount}}
      <h2>Logged in as:</h2>
      <div class="acct-current-user">
        <img alt="Profile picture for @{{instanceUserAccount.acct}}"
             class="acct-avatar" src="{{instanceUserAccount.avatar}}" />
        <a class="acct-handle" rel="noopener" target="_blank"
           href="{{instanceUserAccount.url}}">@{{instanceUserAccount.acct}}</a>
        <span class="acct-display-name">{{instanceUserAccount.display_name}}</span>
      </div>
      <h2>Theme:</h2>
      <form class="theme-chooser" aria-label="Choose a theme">
        {{#each themes as theme}}
          <div class="theme-group">
            <input type="radio" id="choice-theme-{{theme.name}}"
                   value="{{theme.name}}" checked="$currentTheme === theme.name"
                   bind:group="selectedTheme" on:change="onThemeChange()">
            <label for="choice-theme-{{theme.name}}">{{theme.label}}</label>
          </div>
        {{/each}}
      </form>

      <form class="instance-actions" aria-label="Switch to or log out of this instance">
        {{#if $loggedInInstancesInOrder.length > 1}}
          <button class="primary" disabled="{{$currentInstance === params.instanceName}}"
            on:click="onSwitchToThisInstance()">
            {{$currentInstance === params.instanceName ? 'This is your current instance' : 'Switch to this instance'}}
          </button>
        {{/if}}
        <button on:click="onLogOut()">Log out</button>
      </form>
    {{/if}}
  </SettingsLayout>
</Layout>
<style>
  .acct-current-user {
    background: var(--form-bg);
    border: 1px solid var(--main-border);
    border-radius: 4px;
    padding: 20px;
    display: grid;
    align-items: center;
    font-size: 1.3em;
    grid-template-areas:
        "avatar handle"
        "avatar display-name";
    grid-gap: 20px;
  }
  .acct-avatar {
    width: 64px;
    height: 64px;
    border-radius: 4px;
    grid-area: avatar;
  }
  .acct-handle {
    grid-area: handle;
  }
  .theme-chooser {
    background: var(--form-bg);
    border: 1px solid var(--main-border);
    border-radius: 4px;
    display: block;
    padding: 20px;
    line-height: 2em;
  }
  .theme-group {
    display: flex;
    align-items: center;
  }
  .theme-chooser label {
    margin: 2px 10px 0;
  }
  .instance-actions {
    width: 100%;
    display: flex;
    justify-content: right;
    margin: 20px 0;
  }
  .instance-actions button {
    margin: 0 5px;
    flex-basis: 100%;
  }
</style>
<script>
  import { store } from '../../_utils/store'
  import Layout from '../../_components/Layout.html'
  import SettingsLayout from '../_components/SettingsLayout.html'
  import { getThisUserAccount } from '../../_utils/mastodon/user'
  import { themes } from '../../_static/themes'
  import { switchToTheme } from '../../_utils/themeEngine'
  import { goto } from 'sapper/runtime.js'
  import { toast } from '../../_utils/toast'

  export default {
    components: {
      Layout,
      SettingsLayout
    },
    store: () => store,
    data: () => ({
      themes: themes
    }),
    oncreate: async function () {
      let instanceName = this.get('params').instanceName
      let loggedInInstances = this.store.get('loggedInInstances')
      let instanceThemes = this.store.get('instanceThemes')
      let instanceData = loggedInInstances[instanceName]
      let instanceUserAccount = await getThisUserAccount(instanceName, instanceData.access_token)
      this.set({
        instanceUserAccount: instanceUserAccount,
        selectedTheme: instanceThemes[instanceName]
      })
    },
    methods: {
      onThemeChange() {
        let newTheme = this.get('selectedTheme')
        let instanceName = this.get('params').instanceName
        let instanceThemes = this.store.get('instanceThemes')
        instanceThemes[instanceName] = newTheme
        this.store.set({instanceThemes: instanceThemes})
        this.store.save()
        if (this.get('params').instanceName === this.store.get('currentInstance')) {
          switchToTheme(newTheme)
        }
      },
      onSwitchToThisInstance() {
        let instanceName = this.get('params').instanceName
        let instanceThemes = this.store.get('instanceThemes')
        this.store.set({
          currentInstance: instanceName
        })
        this.store.save()
        switchToTheme(instanceThemes[instanceName])
      },
      onLogOut() {
        let loggedInInstances = this.store.get('loggedInInstances')
        let instanceThemes = this.store.get('instanceThemes')
        let loggedInInstancesInOrder = this.store.get('loggedInInstancesInOrder')
        let instanceName = this.get('params').instanceName
        let currentInstance = this.store.get('currentInstance')
        loggedInInstancesInOrder.splice(loggedInInstancesInOrder.indexOf(instanceName), 1)
        let newInstance = instanceName === currentInstance ?
          loggedInInstancesInOrder[0] :
          currentInstance
        delete loggedInInstances[instanceName]
        delete instanceThemes[instanceName]
        this.store.set({
          loggedInInstances: loggedInInstances,
          instanceThemes: instanceThemes,
          loggedInInstancesInOrder: loggedInInstancesInOrder,
          currentInstance: newInstance
        })
        this.store.save()
        switchToTheme(instanceThemes[newInstance] || 'default')
        toast.say(`Logged out of ${instanceName}`)
        goto('/settings/instances')
      }
    }
  }
</script>