75 lines
1.6 KiB
JavaScript
75 lines
1.6 KiB
JavaScript
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import {
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createSelector,
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} from 'reselect'
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import {
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selectCurrentUri,
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selectCurrentPage,
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} from 'selectors/app'
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export const _selectState = state => state.fileInfo || {}
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export const selectAllFileInfoByUri = createSelector(
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_selectState,
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(state) => state.byUri || {}
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)
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export const selectCurrentUriRawFileInfo = createSelector(
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selectCurrentUri,
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selectAllFileInfoByUri,
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(uri, byUri) => byUri[uri]
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)
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export const selectCurrentUriFileInfo = createSelector(
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selectCurrentUriRawFileInfo,
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(fileInfo) => fileInfo
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)
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export const selectFetchingFileInfo = createSelector(
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_selectState,
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(state) => state.fetching || {}
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)
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export const selectFetchingCurrentUriFileInfo = createSelector(
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selectCurrentUri,
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selectFetchingFileInfo,
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(uri, byUri) => !!byUri[uri]
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)
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export const selectDownloading = createSelector(
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_selectState,
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(state) => state.downloading || {}
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)
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export const selectDownloadingByUri = createSelector(
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selectDownloading,
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(downloading) => downloading.byUri || {}
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)
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export const selectDownloadingCurrentUri = createSelector(
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selectCurrentUri,
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selectDownloadingByUri,
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(uri, byUri) => !!byUri[uri]
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)
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export const selectCurrentUriIsDownloaded = createSelector(
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selectCurrentUriFileInfo,
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(fileInfo) => {
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return fileInfo && (fileInfo.written_bytes > 0 || fileInfo.completed)
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}
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)
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export const shouldFetchCurrentUriFileInfo = createSelector(
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selectCurrentPage,
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selectCurrentUri,
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selectFetchingCurrentUriFileInfo,
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selectCurrentUriFileInfo,
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(page, uri, fetching, fileInfo) => {
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if (page != 'show') return false
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if (fetching) return false
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if (fileInfo != undefined) return false
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return true
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}
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)
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