lbry-desktop/ui/js/selectors/claims.js
2017-05-09 23:06:48 -04:00

91 lines
2 KiB
JavaScript

import {
createSelector,
} from 'reselect'
import lbryuri from 'lbryuri'
import {
selectCurrentUri,
} from 'selectors/app'
export const _selectState = state => state.claims || {}
export const selectClaimsByUri = createSelector(
_selectState,
(state) => state.byUri || {}
)
export const selectCurrentUriClaim = createSelector(
selectCurrentUri,
selectClaimsByUri,
(uri, byUri) => byUri[uri]
)
export const selectCurrentUriClaimOutpoint = createSelector(
selectCurrentUriClaim,
(claim) => {
return claim ? `${claim.txid}:${claim.nout}` : null
}
)
const selectClaimForUri = (state, props) => {
const uri = lbryuri.normalize(props.uri)
return selectClaimsByUri(state)[uri]
}
export const makeSelectClaimForUri = () => {
return createSelector(
selectClaimForUri,
(claim) => claim
)
}
const selectMetadataForUri = (state, props) => {
const claim = selectClaimForUri(state, props)
const metadata = claim && claim.value && claim.value.stream && claim.value.stream.metadata
return metadata ? metadata : undefined
}
export const makeSelectMetadataForUri = () => {
return createSelector(
selectMetadataForUri,
(metadata) => metadata
)
}
const selectSourceForUri = (state, props) => {
const claim = selectClaimForUri(state, props)
const source = claim && claim.value && claim.value.stream && claim.value.stream.source
return source ? source : undefined
}
export const makeSelectSourceForUri = () => {
return createSelector(
selectSourceForUri,
(source) => source
)
}
export const selectMyClaims = createSelector(
_selectState,
(state) => state.mine || {}
)
export const selectMyClaimsById = createSelector(
selectMyClaims,
(mine) => mine.byId || {}
)
export const selectMyClaimsOutpoints = createSelector(
selectMyClaimsById,
(byId) => {
const outpoints = []
Object.keys(byId).forEach(key => {
const claim = byId[key]
const outpoint = `${claim.txid}:${claim.nout}`
outpoints.push(outpoint)
})
return outpoints
}
)