1 files changed, 156 insertions, 0 deletions
diff --git a/app/assets/javascripts/snippets/components/snippet_blob_actions_edit.vue b/app/assets/javascripts/snippets/components/snippet_blob_actions_edit.vue
new file mode 100644
index 00000000000..55cd13a6930
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+++ b/app/assets/javascripts/snippets/components/snippet_blob_actions_edit.vue
@@ -0,0 +1,156 @@
+<script>
+import { GlButton } from '@gitlab/ui';
+import { cloneDeep } from 'lodash';
+import { s__, sprintf } from '~/locale';
+import glFeatureFlagsMixin from '~/vue_shared/mixins/gl_feature_flags_mixin';
+import SnippetBlobEdit from './snippet_blob_edit.vue';
+import { SNIPPET_MAX_BLOBS } from '../constants';
+import { createBlob, decorateBlob, diffAll } from '../utils/blob';
+
+export default {
+  components: {
+    SnippetBlobEdit,
+    GlButton,
+  },
+  mixins: [glFeatureFlagsMixin()],
+  props: {
+    initBlobs: {
+      type: Array,
+      required: true,
+    },
+  },
+  data() {
+    return {
+      // This is a dictionary (by .id) of the original blobs and
+      // is used as the baseline for calculating diffs
+      // (e.g., what has been deleted, changed, renamed, etc.)
+      blobsOrig: {},
+      // This is a dictionary (by .id) of the current blobs and
+      // is updated as the user makes changes.
+      blobs: {},
+      // This is a list of blob ID's in order how they should be
+      // presented.
+      blobIds: [],
+    };
+  },
+  computed: {
+    actions() {
+      return diffAll(this.blobs, this.blobsOrig);
+    },
+    count() {
+      return this.blobIds.length;
+    },
+    addLabel() {
+      return sprintf(s__('Snippets|Add another file %{num}/%{total}'), {
+        num: this.count,
+        total: SNIPPET_MAX_BLOBS,
+      });
+    },
+    canDelete() {
+      return this.count > 1;
+    },
+    canAdd() {
+      return this.count < SNIPPET_MAX_BLOBS;
+    },
+    hasMultiFilesEnabled() {
+      return this.glFeatures.snippetMultipleFiles;
+    },
+    filesLabel() {
+      return this.hasMultiFilesEnabled ? s__('Snippets|Files') : s__('Snippets|File');
+    },
+    firstInputId() {
+      const blobId = this.blobIds[0];
+
+      if (!blobId) {
+        return '';
+      }
+
+      return `${blobId}_file_path`;
+    },
+  },
+  watch: {
+    actions: {
+      immediate: true,
+      handler(val) {
+        this.$emit('actions', val);
+      },
+    },
+  },
+  created() {
+    const blobs = this.initBlobs.map(decorateBlob);
+    const blobsById = blobs.reduce((acc, x) => Object.assign(acc, { [x.id]: x }), {});
+
+    this.blobsOrig = blobsById;
+    this.blobs = cloneDeep(blobsById);
+    this.blobIds = blobs.map(x => x.id);
+
+    // Show 1 empty blob if none exist
+    if (!this.blobIds.length) {
+      this.addBlob();
+    }
+  },
+  methods: {
+    updateBlobContent(id, content) {
+      const origBlob = this.blobsOrig[id];
+      const blob = this.blobs[id];
+
+      blob.content = content;
+
+      // If we've received content, but we haven't loaded the content before
+      // then this is also the original content.
+      if (origBlob && !origBlob.isLoaded) {
+        blob.isLoaded = true;
+        origBlob.isLoaded = true;
+        origBlob.content = content;
+      }
+    },
+    updateBlobFilePath(id, path) {
+      const blob = this.blobs[id];
+
+      blob.path = path;
+    },
+    addBlob() {
+      const blob = createBlob();
+
+      this.$set(this.blobs, blob.id, blob);
+      this.blobIds.push(blob.id);
+    },
+    deleteBlob(id) {
+      this.blobIds = this.blobIds.filter(x => x !== id);
+      this.$delete(this.blobs, id);
+    },
+    updateBlob(id, args) {
+      if ('content' in args) {
+        this.updateBlobContent(id, args.content);
+      }
+      if ('path' in args) {
+        this.updateBlobFilePath(id, args.path);
+      }
+    },
+  },
+};
+</script>
+<template>
+  <div class="form-group file-editor">
+    <label :for="firstInputId">{{ filesLabel }}</label>
+    <snippet-blob-edit
+      v-for="(blobId, index) in blobIds"
+      :key="blobId"
+      :class="{ 'gl-mt-3': index > 0 }"
+      :blob="blobs[blobId]"
+      :can-delete="canDelete"
+      :show-delete="hasMultiFilesEnabled"
+      @blob-updated="updateBlob(blobId, $event)"
+      @delete="deleteBlob(blobId)"
+    />
+    <gl-button
+      v-if="hasMultiFilesEnabled"
+      :disabled="!canAdd"
+      data-testid="add_button"
+      class="gl-my-3"
+      variant="dashed"
+      @click="addBlob"
+      >{{ addLabel }}</gl-button
+    >
+  </div>
+</template>