1 files changed, 110 insertions, 0 deletions
diff --git a/app/assets/javascripts/pages/milestones/shared/components/delete_milestone_modal.vue b/app/assets/javascripts/pages/milestones/shared/components/delete_milestone_modal.vue
new file mode 100644
index 00000000000..c43e0a0490f
--- /dev/null
+++ b/app/assets/javascripts/pages/milestones/shared/components/delete_milestone_modal.vue
@@ -0,0 +1,110 @@
+<script>
+  import axios from '~/lib/utils/axios_utils';
+
+  import Flash from '~/flash';
+  import modal from '~/vue_shared/components/modal.vue';
+  import { n__, s__, sprintf } from '~/locale';
+  import { redirectTo } from '~/lib/utils/url_utility';
+  import eventHub from '../event_hub';
+
+  export default {
+    components: {
+      modal,
+    },
+    props: {
+      issueCount: {
+        type: Number,
+        required: true,
+      },
+      mergeRequestCount: {
+        type: Number,
+        required: true,
+      },
+      milestoneId: {
+        type: Number,
+        required: true,
+      },
+      milestoneTitle: {
+        type: String,
+        required: true,
+      },
+      milestoneUrl: {
+        type: String,
+        required: true,
+      },
+    },
+    computed: {
+      text() {
+        const milestoneTitle = sprintf('<strong>%{milestoneTitle}</strong>', { milestoneTitle: this.milestoneTitle });
+
+        if (this.issueCount === 0 && this.mergeRequestCount === 0) {
+          return sprintf(
+            s__(`Milestones|
+You’re about to permanently delete the milestone %{milestoneTitle} from this project.
+%{milestoneTitle} is not currently used in any issues or merge requests.`),
+            {
+              milestoneTitle,
+            },
+            false,
+          );
+        }
+
+        return sprintf(
+          s__(`Milestones|
+You’re about to permanently delete the milestone %{milestoneTitle} from this project and remove it from %{issuesWithCount} and %{mergeRequestsWithCount}.
+Once deleted, it cannot be undone or recovered.`),
+          {
+            milestoneTitle,
+            issuesWithCount: n__('%d issue', '%d issues', this.issueCount),
+            mergeRequestsWithCount: n__('%d merge request', '%d merge requests', this.mergeRequestCount),
+          },
+          false,
+        );
+      },
+      title() {
+        return sprintf(s__('Milestones|Delete milestone %{milestoneTitle}?'), { milestoneTitle: this.milestoneTitle });
+      },
+    },
+    methods: {
+      onSubmit() {
+        eventHub.$emit('deleteMilestoneModal.requestStarted', this.milestoneUrl);
+
+        return axios.delete(this.milestoneUrl)
+          .then((response) => {
+            eventHub.$emit('deleteMilestoneModal.requestFinished', { milestoneUrl: this.milestoneUrl, successful: true });
+
+            // follow the rediect to milestones overview page
+            redirectTo(response.request.responseURL);
+          })
+          .catch((error) => {
+            eventHub.$emit('deleteMilestoneModal.requestFinished', { milestoneUrl: this.milestoneUrl, successful: false });
+
+            if (error.response && error.response.status === 404) {
+              Flash(sprintf(s__('Milestones|Milestone %{milestoneTitle} was not found'), { milestoneTitle: this.milestoneTitle }));
+            } else {
+              Flash(sprintf(s__('Milestones|Failed to delete milestone %{milestoneTitle}'), { milestoneTitle: this.milestoneTitle }));
+            }
+            throw error;
+          });
+      },
+    },
+  };
+</script>
+
+<template>
+  <modal
+    id="delete-milestone-modal"
+    :title="title"
+    :text="text"
+    kind="danger"
+    :primary-button-label="s__('Milestones|Delete milestone')"
+    @submit="onSubmit">
+
+    <template
+      slot="body"
+      slot-scope="props">
+      <p v-html="props.text"></p>
+    </template>
+
+  </modal>
+</template>