Improve environments performance

1 files changed, 128 insertions, 0 deletions

diff --git a/app/assets/javascripts/environments/components/environments_app.vue b/app/assets/javascripts/environments/components/environments_app.vue
new file mode 100644
index 00000000000..2592909734f
--- /dev/null
+++ b/app/assets/javascripts/environments/components/environments_app.vue
@@ -0,0 +1,128 @@
+<script>
+  import Flash from '../../flash';
+  import { s__ } from '../../locale';
+  import emptyState from './empty_state.vue';
+  import eventHub from '../event_hub';
+  import environmentsMixin from '../mixins/environments_mixin';
+  import CIPaginationMixin from '../../vue_shared/mixins/ci_pagination_api_mixin';
+
+  export default {
+    props: {
+      endpoint: {
+        type: String,
+        required: true,
+      },
+      canCreateEnvironment: {
+        type: Boolean,
+        required: true,
+      },
+      canCreateDeployment: {
+        type: Boolean,
+        required: true,
+      },
+      canReadEnvironment: {
+        type: Boolean,
+        required: true,
+      },
+      cssContainerClass: {
+        type: String,
+        required: true,
+      },
+      newEnvironmentPath: {
+        type: String,
+        required: true,
+      },
+      helpPagePath: {
+        type: String,
+        required: true,
+      },
+    },
+    components: {
+      emptyState,
+    },
+
+    mixins: [
+      CIPaginationMixin,
+      environmentsMixin,
+    ],
+
+    created() {
+      eventHub.$on('toggleFolder', this.toggleFolder);
+    },
+
+    beforeDestroy() {
+      eventHub.$off('toggleFolder');
+    },
+
+    methods: {
+      toggleFolder(folder) {
+        this.store.toggleFolder(folder);
+
+        if (!folder.isOpen) {
+          this.fetchChildEnvironments(folder, true);
+        }
+      },
+
+      fetchChildEnvironments(folder, showLoader = false) {
+        this.store.updateEnvironmentProp(folder, 'isLoadingFolderContent', showLoader);
+
+        this.service.getFolderContent(folder.folder_path)
+          .then(resp => resp.json())
+          .then(response => this.store.setfolderContent(folder, response.environments))
+          .then(() => this.store.updateEnvironmentProp(folder, 'isLoadingFolderContent', false))
+          .catch(() => {
+            Flash(s__('Environments|An error occurred while fetching the environments.'));
+            this.store.updateEnvironmentProp(folder, 'isLoadingFolderContent', false);
+          });
+      },
+
+      successCallback(resp) {
+        this.saveData(resp);
+
+        // We need to verify if any folder is open to also update it
+        const openFolders = this.store.getOpenFolders();
+        if (openFolders.length) {
+          openFolders.forEach(folder => this.fetchChildEnvironments(folder));
+        }
+      },
+    },
+  };
+</script>
+<template>
+  <div :class="cssContainerClass">
+    <div class="top-area">
+      <tabs
+        :tabs="tabs"
+        @onChangeTab="onChangeTab"
+        scope="environments"
+        />
+
+      <div
+        v-if="canCreateEnvironment && !isLoading"
+        class="nav-controls">
+        <a
+          :href="newEnvironmentPath"
+          class="btn btn-create">
+          {{s__("Environments|New environment")}}
+        </a>
+      </div>
+    </div>
+
+    <container
+      :is-loading="isLoading"
+      :environments="state.environments"
+      :pagination="state.paginationInformation"
+      :can-create-deployment="canCreateDeployment"
+      :can-read-environment="canReadEnvironment"
+      @onChangePage="onChangePage"
+    >
+     <empty-state
+        slot="emptyState"
+        v-if="!isLoading && state.environments.length === 0"
+        :new-path="newEnvironmentPath"
+        :help-path="helpPagePath"
+        :can-create-environment="canCreateEnvironment"
+        />
+    </container>
+  </div>
+</template>