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import paginatedTreeQuery from 'shared_queries/repository/paginated_tree.query.graphql';
import { createAlert } from '~/alert';
import {
TREE_PAGE_SIZE,
TREE_PAGE_LIMIT,
COMMIT_BATCH_SIZE,
GITALY_UNAVAILABLE_CODE,
i18n,
} from '../constants';
import getRefMixin from '../mixins/get_ref';
import projectPathQuery from '../queries/project_path.query.graphql';
import { readmeFile } from '../utils/readme';
import { loadCommits, isRequested, resetRequestedCommits } from '../commits_service';
import FilePreview from './preview/index.vue';
import FileTable from './table/index.vue';
export default {
i18n,
components: {
FileTable,
FilePreview,
},
mixins: [getRefMixin],
apollo: {
projectPath: {
query: projectPathQuery,
},
},
inject: ['refType'],
props: {
path: {
type: String,
required: false,
default: '/',
},
loadingPath: {
type: String,
required: false,
default: '',
},
},
data() {
return {
commits: [],
projectPath: '',
nextPageCursor: '',
pagesLoaded: 1,
entries: {
trees: [],
submodules: [],
blobs: [],
},
isLoadingFiles: false,
isOverLimit: false,
clickedShowMore: false,
fetchCounter: 0,
};
},
computed: {
totalEntries() {
return Object.values(this.entries).flat().length;
},
readme() {
return readmeFile(this.entries.blobs);
},
pageLimitReached() {
return this.totalEntries / this.pagesLoaded >= TREE_PAGE_LIMIT;
},
hasShowMore() {
return !this.clickedShowMore && this.pageLimitReached;
},
},
watch: {
$route: function routeChange() {
this.entries.trees = [];
this.entries.submodules = [];
this.entries.blobs = [];
this.nextPageCursor = '';
resetRequestedCommits();
this.fetchFiles();
},
},
mounted() {
// We need to wait for `ref` and `projectPath` to be set
this.$nextTick(() => {
resetRequestedCommits();
this.fetchFiles();
});
},
methods: {
fetchFiles() {
const originalPath = this.path || '/';
this.isLoadingFiles = true;
return this.$apollo
.query({
query: paginatedTreeQuery,
variables: {
projectPath: this.projectPath,
ref: this.ref,
refType: this.refType?.toUpperCase(),
path: originalPath,
nextPageCursor: this.nextPageCursor,
pageSize: TREE_PAGE_SIZE,
},
})
.then(({ data }) => {
Iif (data.errors) throw data.errors;
Iif (!data?.project?.repository || originalPath !== (this.path || '/')) return;
const {
project: {
repository: {
paginatedTree: { pageInfo },
},
},
} = data;
this.isLoadingFiles = false;
this.entries = Object.keys(this.entries).reduce(
(acc, key) => ({
...acc,
[key]: this.normalizeData(key, data.project.repository.paginatedTree.nodes[0][key]),
}),
{},
);
Iif (pageInfo?.hasNextPage) {
this.nextPageCursor = pageInfo.endCursor;
this.fetchCounter += 1;
Iif (!this.pageLimitReached || this.clickedShowMore) {
this.fetchFiles();
this.clickedShowMore = false;
}
}
})
.catch((error) => {
let gitalyUnavailableError;
if (error.graphQLErrors) {
gitalyUnavailableError = error.graphQLErrors.find(
(e) => e?.extensions?.code === GITALY_UNAVAILABLE_CODE,
);
}
const message = gitalyUnavailableError
? this.$options.i18n.gitalyError
: this.$options.i18n.generalError;
createAlert({
message,
captureError: true,
});
});
},
normalizeData(key, data) {
return this.entries[key].concat(data.nodes);
},
hasNextPage(data) {
return []
.concat(data.trees.pageInfo, data.submodules.pageInfo, data.blobs.pageInfo)
.find(({ hasNextPage }) => hasNextPage);
},
handleRowAppear(rowNumber) {
Iif (isRequested(rowNumber)) {
return;
}
// Assume we are loading from the top and greedily choose offsets in multiples of COMMIT_BATCH_SIZE to minimize number of requests
this.loadCommitData(rowNumber - (rowNumber % COMMIT_BATCH_SIZE));
},
loadCommitData(rowNumber) {
loadCommits(this.projectPath, this.path, this.ref, rowNumber, this.refType)
.then(this.setCommitData)
.catch(() => {});
},
setCommitData(data) {
this.commits = this.commits.concat(data);
},
handleShowMore() {
this.clickedShowMore = true;
this.pagesLoaded += 1;
this.fetchFiles();
},
},
};
</script>
<template>
<div>
<file-table
:path="path"
:entries="entries"
:is-loading="isLoadingFiles"
:loading-path="loadingPath"
:has-more="hasShowMore"
:commits="commits"
@showMore="handleShowMore"
@row-appear="handleRowAppear"
/>
<file-preview v-if="readme" :blob="readme" />
</div>
</template>
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